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study on optimal conditions of poly ferric chloride factories

  • Study on optimal conditions of poly ferric chloride

    2021-1-1 · This study focused on investigate on the performance of Poly Ferric Chloride (PFC) as a flocculant for flocculation process in tannery wastewater treatment due to its advantages which could apply in a wide range of industries to help remove materials suspended in water.

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  • Comparison of poly ferric chloride and poly titanium ...

    2021-1-28 · In their study, Galloux et al. pointed out that PTC is more efficient than ferric chloride, which is comparable to the results obtained from the current study (Galloux et al. 2015). Residual pH For PTC in optimum dosage (600 mg/L), the solution pH was reduced from 7 to 6.61, and for PFC in optimum dosage (800 mg/L), pH was reduced from 9 to 7.12 after the coagulation-flocculation process.

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  • Preparation and coagulation performance of poly

    2011-3-1 · In order to avoid it and form the desired optimum species coagulants, several pre-polymerized inorganic coagulants such as poly-aluminum chloride (PAC), poly-ferric chloride (PFC) and poly-ferric sulfate (PFS) have been developed , , , , . However, the efficiency of inorganic polymeric coagulates (IPC) is so dissatisfactory that some investigations focused on improving the performance of IPC.

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  • Mechanistic insights into the effect of poly ferric ...

    2021-2-1 · It is worth noting that the hydrolysis of ferric chloride also generates “hydroxide polymers”, however, such species are generally scattered in liquid/solid phase at neutral conditions and easily decomposed by anaerobic microbes and further utilized for metabolism (Qin et al., 2019; Yu et al., 2015a), whereas the PFS-derived “hydroxide polymers”, could be expressed as (Fe i O k (OH) ij-2k) …

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  • A study on the multifunction of ferrous chloride in the ...

    2009-9-30 · Instrumental analysis found certain chemical traces left by ferrous chloride on the membranes: from scanning electron microscopy (SEM) observation, a large number of particulates with diameter of about 0.3 μm were found on membrane cross-section which might be quite related to the compaction resistant behavior; energy dispersive X-ray (EDX) analysis indicated that those particulates were composed of ferric …

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  • Efficiency Comparison of PolyDADMAC Coagulant

    2017-11-1 · The optimum doses of ferric chloride with PolyDADMAC were obtained at 15mg/L and 0/4mg/L, respectively. Under higher doses of PolyDADMAC, flocs showed stabilized in solution .In addition, PolyDADMAC also produced larger floc with higher settling velocity that need less time to settle.

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  • The removal of COD, TSS and colour of black liquor by ...

    2017-5-1 · The optimum colour reduction is found to be 38%, 46%, 52%, 52% and 37% for Alum, Ferric Chloride, Aluminium Chloride, PAC and Ferrous Sulphate, respectively as shown in Fig. 4. Ferric chloride was found to be much better in COD as well as TSS reduction but good in …

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  • Study on the treatment of copper-electroplating

    2003-4-1 · Fig. 1 shows that the Cu removal rate rises with the rise of the amount of DDTC. When the amount of DDTC is 110 mg l −1, Cu removal rate reaches over 99.60% and the copper content in upper clean water is 0.08 mg l −1.. Fig. 2 shows that the amount of DDTC has no influence on the settling velocity. Fig. 3, Fig. 4 show that the amount of poly-ferric sulphate has no influence on the Cu ...

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  • Effect of silicon dose on preparation and coagulation ...

    2010-9-15 · The oil shale ash was explored as a raw material for a type of new inorganic coagulant poly-ferric-aluminum-silicate-sulfate (PFASS) with various (Al + Fe)/Si molar ratios. The coagulation performances were evaluated by jar test in treating sewage, the zeta potential of the sewage was also used to evaluate the charge neutralization ability, and the microscopic images of flocs were measured …

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  • Study on the mechanism of production of γ-PGA and ...

    2021-4-9 · Microorganisms, culture media and culture conditions. Bacillus subtilis natto was used throughout the experimental study and was cultivated in the following medium: 20 g soybeans, 1.5 g saccharose, 0.4 g glutamate, 0. 025 g MgSO 4 ·7H 2 O, 0.025 g K 2 HPO 4 ·3H 2 O, 0. 05 g calcium chloride. The seed culture (5%, v/v) was transferred into 50 mL of the fermentation medium in a 250 …

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  • Study of Esterification Waste water Treatment by

    2018-12-12 · In this study, the Esterification wastewater was treated ... (PFS), poly aluminum ferric chloride (PAFC)), the influences of flocculent concentration, temperature and pH on the treatment based on removal rate of CODcr and turbidity were investigated by orthogonal experiment method. ... optimal flocculation conditions were expected to obtain through

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  • Study on optimal conditions and adsorption kinetics of ...

    2013-5-27 · Study on optimal conditions and adsorption kinetics of copper from water by collodion membrane cross-linked poly-γ-glutamic acid Xiangting Wu*,†, Aiyin Wang **, Xiaojie Zheng ***, Guoxing Li**, Xinjiao Dong *, and Mingjiang Wu* *College of Life and Environmental Science, Wenzhou University, Wenzhou 325035, P. R. China

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  • Study on Environmental Materials with Treatment of

    This study aimed at, pre-treatment of sweet potato starch wastewater and acquisition the application conditions of environmental materials though coagulation precipitation. The removal rates of COD and turbidity were investigated by process to find kind and quantity of suitable coagulant, quantity of coagulate aids, pH and setting time. The results showed that poly aluminum ferric chloride ...

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  • AN EXPERIMENTAL STUDY ON TREATMENT OF SAGO

    2018-4-26 · Alum, Ferric chloride and poly aluminums chloride. In this process we tried as many as 4 products as natural coagulants for the sago water treatment. The dosage levels of all products were taken as same and we calculated their efficiency of removing their turbidity and other concerns such as Characteristics of sago wastewater. Here we

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  • Investigation of Ozone and Coagulant Material's

    2015-6-22 · Methods: In this study, chemical coagulant is used for wastewater treatment (aluminum sulfate, ferric chloride, poly aluminum chloride and lime). And then these materials with “ozone” as a strong oxidative in reduction of the amount of Chemical Oxygen Demand (COD) in wastewater effluent has been surveyed.

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  • Optimal Corrosion Control Treatment Evaluation

    2019-7-23 · Optimal Corrosion Control Treatment Evaluation Technical Recommendations for Primacy Agencies and Public Water Systems Office of Water (4606M) EPA 816-B-16-003

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  • Study on the mechanism of production of γ-PGA and ...

    2021-4-9 · Microorganisms, culture media and culture conditions. Bacillus subtilis natto was used throughout the experimental study and was cultivated in the following medium: 20 g soybeans, 1.5 g saccharose, 0.4 g glutamate, 0. 025 g MgSO 4 ·7H 2 O, 0.025 g K 2 HPO 4 ·3H 2 O, 0. 05 g calcium chloride. The seed culture (5%, v/v) was transferred into 50 mL of the fermentation medium in a 250 …

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  • Effect of silicon dose on preparation and coagulation ...

    2010-9-15 · The oil shale ash was explored as a raw material for a type of new inorganic coagulant poly-ferric-aluminum-silicate-sulfate (PFASS) with various (Al + Fe)/Si molar ratios.The coagulation performances were evaluated by jar test in treating sewage, the zeta potential of the sewage was also used to evaluate the charge neutralization ability, and the microscopic images of flocs were measured …

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  • Study on the reuse process of hydrolysate from γ ...

    2021-5-1 · The hydrolysis time had little effect on the degree of hydrolysis. Combined with the results of range analysis and variance analysis, the optimal process conditions were obtained. The optimal combination was A 2 B 2 C 2 D 3, that was, nitric acid concentration was 2%, solid-liquid ratio was 4:10, the temperature was 110 °C, and time was 24 h.

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  • Increased bioproduction of glycogen, lipids, and

    2021-5-22 · Under an adequate supply of nitrogen (N) and phosphorus (P), the cyanobacterium Synechocystis sp. PCC 6803 produced a high biomass yield but with a low storage level of glycogen and poly(3-hydroxybutyrate) (PHB). In contrast, deprivation of N or P stimulated accumulation of glycogen and PHB, but reduced biomass yield. In addition, deprivation of N or P had no apparent effect on total lipid ...

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  • Production of Industrial Coagulant (Poly Aluminium ...

    2019-7-5 · obtained from the literature. Reports show that Ferric chloride, alum and aluminium chloride has optimum mixing speed of 120, 140 and 140rpm at pH 4, 4 and 6 at 35℃. . Flocculation of latex effluent was carried conditions. Results and Discussion Preparation of poly aluminium chloride (PAC) From 20 cans, 190 g of aluminium powder was

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  • Study on Environmental Materials with Treatment of

    The results showed that poly aluminum ferric chloride (PAFC) was chosen as an optimum coagulant for effective treatment. The optimal coagulation precipitation conditions were determined as follows: pH8, dosage of PAFC 1200mg/l, PAM100mg/l, sedimentation time 30 min.

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  • Optimal conditions of Al and Fe extraction from

    2012-8-9 · Response surface methodology (RSM) was used to find the optimum operating conditions for the selected factors (Montgomery 2005) that result in maximum extracted [Al] and [Fe]. D-optimal design was used to study the effect of T, t, and r on Al and Fe concentrations as two responses. The D-optimal design was specifically constructed for this ...

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  • Study on optimal conditions and adsorption kinetics

    2013-5-23 · Poly-γ-glutamic acid (γ-PGA) is a novel polyamino acid formed through microorganism fermentation and biosynthesis. In the present test, membrane (PGA-C) formation by γ-PGA and collodion was performed by using 0.1% glutaraldehyde as a cross-linking agent. A study was conducted on the PGA-C adsorption of Cu2+, specifically the related adsorption equilibrium and kinetics, desorption and ...

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  • Removal of Turbidity, Organic Matter, Coliform and ...

    The aim of the present study is to determine the optimum conditions for poly aluminum chloride to remove turbidity, total coliform bacteria and heterotrophic bacteria from treated wa ter of Ahwaz Water Treatment Plant, Iran. EXPERIMENTAL The present study was conducted at Ahwaz Water Treat-ment Plant No. 2 in 2009 using JLT6 as testing device. Raw

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  • Study of the coagulation process in wastewater

    The optimal conditions were as follows: Coagulant dosage of 871 mg/L, flocculent dosage of 22.3 mg/L and pH 8.35. The study of dairy effluents treatment by EC was carried out using aluminum electrodes. The analysis of the filtrates showed that the COD was reduced to 61% while the removal of phosphorus, nitrogen contents and turbidity were 89 ...

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  • Open Access Publish Free Investigation of ozone and ...

    2015-9-2 · Methods: In this study, chemical coagulant is used for wastewater treatment (aluminum sulfate, ferric chloride, poly aluminum chloride and lime). And then these materials with “ozone” as a strong oxidative in reduction of the amount of Chemical Oxygen Demand (COD) in wastewater effluent has been surveyed.

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  • Kinetic and thermodynamic study of methanolysis of

    2003-2-17 · Optimal percentage conversion of PETW into dimethyl terephthalate (DMT) and ethylene glycol (EG) was 97.8% (at 120 °C) and 100% (at 130 and 140 °C) for the optimal reaction time of 120 min. Yields of DMT and EG were almost equal to PET conversion. EG and DMT were analyzed qualitatively and quantitatively.

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  • Aluminium Coagulant - an overview | ScienceDirect

    2016-6-15 · The preparation conditions were optimized. The results show that the optimal preparation conditions are as follows:the ratio of OH- concentration to total Al and Fe concentration( r )0.5,the ratio of total Al and Fe concentration to TS1 mass concentration( R m )0.5 mol/g,and the …

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  • Ferric Chloride Market | 2020-2027 | Industry Report ...

    Ferric Chloride Market - Growth, Trends, COVID-19 Impact, and Forecasts (2021 - 2026) The market is segmented by Application (Water and Wastewater Treatment, Printed Circuit Board, Pigment Manufacturing, Animal Nutrient Supplement, Asphalt Blowing, and Other Applications), and Geography (Asia-Pacific, North America, Europe, South America, and Middle East & Africa).

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  • APPENDIX 2A: Review of Recent Studies and Trials on ...

    2003-2-24 · A 2.2.3.1 In the SSDS Stage 1 Dosing and Disinfection Study, ferric chloride, ferric sulphate, ferrous sulphate, aluminium sulphate (alum), poly-aluminium chloride (PAC) and two cationic polymers were selected for evaluation in laboratory-scale jar tests and column tests. Anionic

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  • Production of Industrial Coagulant (Poly Aluminium ...

    2019-7-5 · obtained from the literature. Reports show that Ferric chloride, alum and aluminium chloride has optimum mixing speed of 120, 140 and 140rpm at pH 4, 4 and 6 at 35℃. . Flocculation of latex effluent was carried conditions. Results and Discussion Preparation of poly aluminium chloride (PAC) From 20 cans, 190 g of aluminium powder was

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  • Study on Environmental Materials with Treatment of

    The results showed that poly aluminum ferric chloride (PAFC) was chosen as an optimum coagulant for effective treatment. The optimal coagulation precipitation conditions were determined as follows: pH8, dosage of PAFC 1200mg/l, PAM100mg/l, sedimentation time 30 min.

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  • Preparation and Study of a Composite Flocculant for ...

    2021-1-15 · Polymeric aluminum ferric chloride (PAFC, [Al 2 (OH) n Cl 6-n] m ·[Fe 2 (OH) N Cl 6-N] M), is an inorganic composite polymer coagulant, which has synergistic advantages of poly aluminum and poly ferric coagulants, such as a strong adsorption bridging ability and a wide coagulation pH range , Previous research on the coagulation performance of ...

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  • A comparison of the coagulation performance of

    2015-9-2 · Methods: In this study, chemical coagulant is used for wastewater treatment (aluminum sulfate, ferric chloride, poly aluminum chloride and lime). And then these materials with “ozone” as a strong oxidative in reduction of the amount of Chemical Oxygen Demand (COD) in wastewater effluent has been surveyed.

    Get Price
  • Open Access Publish Free Investigation of ozone and ...

    2021-5-22 · Under an adequate supply of nitrogen (N) and phosphorus (P), the cyanobacterium Synechocystis sp. PCC 6803 produced a high biomass yield but with a low storage level of glycogen and poly(3-hydroxybutyrate) (PHB). In contrast, deprivation of N or P stimulated accumulation of glycogen and PHB, but reduced biomass yield. In addition, deprivation of N or P had no apparent effect on total lipid ...

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  • Fabrication, characterization and optical properties of ...

    2011-6-7 · Poly-Aluminium Chloride(PAC)is a kind of highly effective water purificiant, which is wildly used in the purification of table water, industry water, industry circulation water and wasted and polluted water from pharmacy industry, paper making industry and …

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  • Preparation and Study of a Composite Flocculant for ...

    2013-12-24 · polyaluminium ferric chloride and cationic polyacryla-mide, we tried to prepare a composite flocculant consist-ing of sodium alginate, polyaluminium ferric chloride and cationic polyacrylamide to treat papermaking waste- water. The main objective of this study was to evaluate the flocculation performance of the composite flocculant. 2.

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  • Study Progress in the Preparation Coagulant by Industrial ...

    Study Progress in the Preparation Coagulant by Industrial Waste ZHANG Guang-Wen1,a,LIU Yang2,b, ZHANG Pu-Xuan2,c*, SUN Mo-Jie2,d 1S h e nua B iji gG oEl c tr iP w R sea I ,C .L d 1 000 2S c holf C em iaE ngee r , N tea st Di li U v y Jili 132012 aghjs 6 8 12 @3 .com, b5 9 74 qc1 5 7438 @ q.com, d m Key word: industrial waste; coagulant; preparation; water treatment

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  • A comparison of the coagulation performance of

    2021-1-15 · Polymeric aluminum ferric chloride (PAFC, [Al 2 (OH) n Cl 6-n] m ·[Fe 2 (OH) N Cl 6-N] M), is an inorganic composite polymer coagulant, which has synergistic advantages of poly aluminum and poly ferric coagulants, such as a strong adsorption bridging ability and a wide coagulation pH range , Previous research on the coagulation performance of ...

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  • Treatment of sulfide-rich UASB effluent: comparison

    2012-6-1 · In the present study, polyaluminium chloride (PACl, liquid & solid-type), ferric alum and Fe-salts (ferrous sulfate and ferric chloride) were used as coagulants and their effectiveness was compared. Optimization of doses of the chosen coagulants/salts, were carried out with the objective of achieving discharge standards with respect to COD, BOD ...

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  • Journal of Environmental Health and Sustainable ...

    with an optimal dose of 200 mg/L 11. In another study on the treatment of wastewater from stone-cutting industries, Fahiminia et al. investigated the effects of different doses of coagulants, including aluminum sulfate (alum), poly-aluminum chloride, polymer, ferric chloride (FeCl3) and lime in

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  • Efficiency comparison of alum and ferric chloride ...

    2016-4-6 · while for ferric chloride was obtained 72, 60 and 98% respectively. The optimum pH 7 and 5 were obtained for alum and ferric chloride respectively. Based on the results, it can be concluded that COD, TSS and dye removal using ferric chloride has higher efficiency than alum. Therefore, application of ferric chloride in the same conditions is ...

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  • Wastewater treatment in dairy industries — possibility

    2006-8-5 · Treatment of secondary effluent from con- ventional wastewater treatment plant with poly- aluminium chloride at pH 6.0 resulted in removal of 95% turbidity as compared to alum and ferric chloride [23]. In our study we observed that, in contrast to alum, poly aluminium chloride kept the pH of the medium very stable with increase in dosages and ...

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  • (PDF) Pretreatment for seawater desalination by ...

    Pretreatment for seawater desalination by flocculation: performance of modified poly ferric silicate (PFSi-δ) and ferric chloride Sanghyun Jeong, Firoozeh Nateghi, Tien Vinh Nguyen, Saravanamuthu Vigneswaran*, Tuan Anh Tu * Corresponding author: Tel. +61-2- 9514-2641; Fax. +61-2- 9514-2633; email address: [email protected] Faculty of Engineering and IT, University of Technology, …

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  • Effects of Ca on the distribution, structure and ...

    2013-8-30 · The flocculation efficiency of polyaluminum chloride (PAC) is closely related to the distribution and structure of its Al species, and Al13 is the optimal species in PAC for flocculation. A series of PAC containing Ca was prepared by adding Ca before and after the basifying reaction. The effects of Ca on the Al species were studied by 27 Al nuclear magnetic resonance (NMR) and atomic …

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  • The Impact of Zeta Potential on the Physical

    2006-5-3 · The physical properties of natural organic matter (NOM) flocs, such as size, growth rate, and strength, were investigated using a laser diffraction particle sizing device. Conditions were set such that varying carbon coagulant ratio and zeta potential could both be investigated. Results demonstrated a link between zeta potential and coagulation and flocculation performance, with the production ...

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  • Studying the Characteristics of Polypyrrole and its

    2019-8-2 · for 5 hours. The optimal conditions for PPy and its composites preparation are summarized in Table 1. In a typical experiment 1 mL of pyrrole monomer was added to stirred aqueous or non-aqueous solutions 100 mL containing 4.8 g of ferric chloride and 0.6 …

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  • Effects on Effluent Quality of Industrial Waste Water ...

    2016-10-10 · The coagulant dosage of ferric chloride ranged between 0.5 g/L and 3 g/L, whereas the concentrations of polyelectrolyte and clay minerals varied between 5-75 mg/L and 25-750 mg/L, respectively. The optimal condition was obtained at the dosage 2 g/L ferric chloride at pH 11 with the COD removal efficiency of 71%.

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  • Feasibility and optimization of wastewater treatment by ...

    2020-11-17 · Regarding the aim of our study, the experiment was divided into two phases. Batch tests were applied to select an optimal chemical coagulant from polyalumin-ium chloride (PAC), polyaluminium ferric chloride (PAFC), poly ferric sulfate (PFS) (individual or couple with poly acrylamide [PAM]) during the first phase. At the second

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  • Optimization and economic evaluation of modified ...

    2018-10-17 · Chemicals. Poly-aluminum chloride (Al 2 (OH) n Cl 6−n.YH 2 O, Al 2 O 3 = 30%wt, basicity = 65% and pH = 3) was used as a coagulant and anionic (A 300), cationic (C 270) and nonionic polymers, as the coagulant aids were provided from AquaTech Company, Switzerland.. Preparation of solution. In order to prepare a 10 percent clear solution for coagulant, 10 g of PAC was dissolved to 100 mL of ...

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  • Feasibility and optimization of wastewater treatment

    The optimal working condition could be at pH 7.0, settling time 15 min, and velocity gradient of 174.80 and 15.56 s−1 for mixing and reaction phase respectively. While the coagulant dosage depends on raw water attributes, which had a decisive effect on CEPT treatment performances. However, the three coagulants behaved poorly in nitrogen removal.

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  • Cost-effective removal of COD in the pre-treatment of ...

    2019-9-26 · Under the optimal operational conditions (pH = 7.5, T = 18 °C) the treatment of wastewater from paper industries by coagulation has led to a reduction of 70% COD for wastewater discharged. In terms of the investigated paper industry wastewater, polyaluminium chloride appears to be most suitable for treatment of high COD concentration.

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  • Remediation of Cadmium-contaminated Paddy Soils by

    2021-1-10 · Makino et al.12 previously used ferric chloride (FeCl 3) as a suitable chemical to remedy Cd-contaminated paddy soil and established optimal washing conditions for efficient and environmentally-friendly chemical remedying of Cd-con-taminated rice paddy fields 12. Makino et al. 13 also confirmed the effects of soil washing using FeCl 3

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  • (PDF) Flocculation activity of novel ferric chloride ...

    2015-9-19 · phosphorus release in any anoxic conditions (Yonghong et al., 2005). The use of PAC however, still ultimately yields sludge rich in aluminium hereafter referred to as polyaluminium water treatment sludge (PA-WTS), which poses a challenge to dispose. From a chemical point of view, polyaluminum chloride (PAC) is similar to alum,

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  • Effects on Effluent Quality of Industrial Waste Water ...

    2019-7-1 · The coagulant dosage of ferric chloride ranged between 0.5 g/L and 3 g/L, whereas the concentrations of polyelectrolyte and clay minerals varied between 5-75 mg/L and 25-750 mg/L, respectively. The optimal condition was obtained at the dosage 2 g/L ferric chloride at pH 11 with the COD removal efficiency of 71%.

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  • Feasibility and optimization of wastewater treatment by ...

    2020-11-17 · Regarding the aim of our study, the experiment was divided into two phases. Batch tests were applied to select an optimal chemical coagulant from polyalumin-ium chloride (PAC), polyaluminium ferric chloride (PAFC), poly ferric sulfate (PFS) (individual or couple with poly acrylamide [PAM]) during the first phase. At the second

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  • Characterization of an inorganic polymer coagulant

    The pH of water always influences the coagulation performance significantly. 16 It has been reported that organic matter can be better treated under acidic condition than under neutral and alkaline conditions. 28 However, in this study, the optimal pH for the treatment of HA/algae-polluted water was between 6 and 9.

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  • Treatment of Textile Wastewater by Inorganic

    For this study, the coagulant aluminum sulfate (alum) (Al 2 (SO 4) 3) and ferric chloride (FeCl 3) for color Crepe-Naz textile wastewater treatment plants by measuring of color, chemical oxygen demand (COD), biochemical oxygen demand (BOD), total suspended solids (TSS) and pH were used. pH values tested for the selection of optimal pH were 4, 5 ...

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  • Abstract - CORE

    2018-4-16 · color. This study aimed to evaluate the efficiency of conventional coagulant (polyaluminum chloride, ferric sulfate, ferric chloride, ferrous sulfate and aluminum sulfate) was performed to remove turbidity and color from drinking water. Method: In this cross-sectional study was conducted sampling in the summer and autumn 95

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  • Treatment of primary effluent by coagulation–adsorption ...

    2019-11-7 · and ferric chloride on a raw wastewater. Percentages of reduction are 83.3 for turbidity, 75 for BOD and 78% for the COD for a concentration of FeCl 3 equal to 300 mg/l and 400 mg/l of Al 2 (SO 4) 3 with an optimum pH = 4.8. Al Malack and Anderson [2] determined the coagulation optimal conditions of raw wastewater with a concentration of 200 mg ...

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  • Treatment of highly turbid water in disaster conditions ...

    Another study by Baghvand et al. reported that the highest turbidity removal by using alum and ferric chloride as coagulant was 82.9–99.0 and 92.9–99.4%, respectively (Baghvand et al. 2010). Agbovi & Wilson (2019) examined and optimized the removal efficiency of turbidity using an amphoteric chitosan-based flocculant–ferric chloride by RSM.

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  • DYE WASTEWATER TREATMENT: REMOVAL OF

    Ferric compounds such as ferric chloride and sulfate are also some of the popular inorganic coagulants which work over a same range of pH as Alum (Merzouk et al., 2011; Aziz et al., 2007). In general, inorganic coagulants produce smaller and lighter flocs that require larger time to settle.

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  • Biohydrometallurgical Process to Produce the Coagulant ...

    2010-8-16 · the optimal conditions for nutrients. It was possible to produce an aqueous solution, rich in ferric sul-fate, which could be used as a coagulant. Water treatment tests, carried out at the laboratory, demon-strate that this coagulant is equally efficient when compared with conventional coagulants (ferric sulfate and aluminum sulfate).

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  • Waste Water Treatment A Case Study - diva-portal.org

    2012-10-7 · study was the precipitation experiments as hydroxide, sulphide and adsorption to hydrous ferric oxide. The other part was adsorption to natural, organic materials such as peat, wood chips and one commercial bark compost. Adsorption to hydrous ferric oxide was the most efficient of the precipitation experiments. When 2000 mg FeCl 3

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  • TOXICITY REDUCTION IN LEATHER TANNING

    2013-7-12 · July 2005, were performed using ferric chloride, ferrous chloride, aluminium sulphate and poly-aluminium ferric chloride (PAFC). The optimum coagulation conditions for the first sample were determined as 8.5 pH and 900 mg l-1 dose of PAFC with the addition of Ca(OH) 2 which resulted in a 76% COD and 98% TSS

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  • Comparing Aluminium Sulfate and Poly-Aluminium

    2021-7-6 · removal efficiency in water treatment plants of Iran. In this study, the effectiveness of aluminium sulfate and poly-aluminum chloride was evaluated at different pH values and coagulant dosage in order to find optimal operational conditions for low to high turbidity waters. The influence of lime, as a coagulant aid, on coagulation

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  • ISSN: 0975-766X CODEN: IJPTFI Available Online through ...

    2016-7-24 · The results showed that after using the poly aluminum chloride, ferrous sulfate, ferric chloride and aluminum sulfate coagulants, in the turbidity of 200, 100, 50, 20, 10 NTU, the pH level have reduced in a way that by increasing each mg/l poly aluminum chloride, ferrous sulfate, ferric chloride about 0.01 unit pH have reduced.

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  • Optimization of Electrospinning Conditions for Magnetic ...

    2021-7-6 · prepared on the optimum conditions: 12wt% concentration, 20 kV voltages, 20 cm tips to collector distance and 0.5 mL/h flow rate. At the optimal operating conditions for electrospinning, the role of MNPs content on the nanofibers diameter and specific surface area were explored. It was shown for the first time that, when the Fe 3 O 4

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  • TREATABILITY STUDY: REMOVAL OF HEAVY METALS

    2012-8-20 · E-01 Poly Water Tank 6,900 US Gallons E-02 Poly Water Tank 6,900 US Gallons E-03 Water Pump ... optimal flocculation and dewatering ... 500 ppm Ferric Chloride and 1000 ppm Ferric Chloride. A total of 30 samples which were submitted for pH …

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  • Polycyclic Aromatic Hydrocarbons: Sources, Toxicity,

    2020-11-5 · Polycyclic Aromatic Hydrocarbons: Physico-chemical Properties, Sources of Pollution, and Routes of Exposure. Polycyclic aromatic hydrocarbons are organic pollutants and composed of two or more fused aromatic rings of carbon and hydrogen atoms, which are primarily colorless, white, or pale yellow solid compounds (Abdel-Shafy and Mansour, 2016; Suman et al., 2016).

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  • Assessment of Coagulants Efficiency in Water

    View Study_of_the_coagulation_process_in_wastewater_tre.pdf from CIVI 361 at Concordia University. [Downloaded free from http:/www.ijehe.org on Wednesday, September 28, 2016, IP:

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  • Comparison and optimization of the performance of

    2019-11-14 · This study aims to assess the efficiency of two natural-based coagulants, namely calcium lactate and tannic acid, and compare them with conventional coagulants, including polyaluminium chloride (PACl) and ferric chloride. Jar test experiments were performed on the raw inlet water of the Isfahan water treatment plant (IWTP) in Iran.

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  • APPLICATION OF COMBINE COAGULATION ...

    2018-11-12 · This study examines the optimal conditions of coagulation process applied for To Lich River’s water by conventional and polymeric ... ferric chloride, poly aluminium chloride. TÓM TẮT Nhiều nghiên cứu chỉ ra rằng nước sông Tô Lịch bị ô nhiễm nghiêm trọng xử ...

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  • ISSN: 0975-766X CODEN: IJPTFI Available Online through ...

    2016-7-24 · The results showed that after using the poly aluminum chloride, ferrous sulfate, ferric chloride and aluminum sulfate coagulants, in the turbidity of 200, 100, 50, 20, 10 NTU, the pH level have reduced in a way that by increasing each mg/l poly aluminum chloride, ferrous sulfate, ferric chloride about 0.01 unit pH have reduced.

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  • A Comparison Of Aluminum And Iron-based Coagulants

    2020-10-13 · Ferric chloride and ACH were observed to obtain the highest DOC (85% and 70%, respectively) and color (98% and 97%, respectively) removals at the lowest dose concentrations (120 mg/L and 100 mg/L, respectively).

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  • TREATABILITY STUDY: REMOVAL OF HEAVY METALS

    2012-8-20 · E-01 Poly Water Tank 6,900 US Gallons E-02 Poly Water Tank 6,900 US Gallons E-03 Water Pump ... optimal flocculation and dewatering ... 500 ppm Ferric Chloride and 1000 ppm Ferric Chloride. A total of 30 samples which were submitted for pH …

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  • An alternative method for preparation of

    Abstract The drawbacks, high energy consumption, rigorous preparation condition and high impurity contents, have been well-recognized in the preparation of widely-used polyaluminum chloride via conventional methods in industrial scale. In order to overcome the drawbacks, the fresh aluminum hydroxide gels were proposed to prepare the polyaluminum chloride (PACG) in this study. The optimal ...

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  • Effect of pH on Separation of Solid Content from Paint ...

    In an invitro study, the effects of three organic coagulants were presented on decrease of discharge effluent turbidity in an industrial unitare. These coagulants consist of Aluminum sulphate, Ferric chloride II and Poly Aluminum chloride which optimum dosage and pH of each ones are determined. In the case

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  • Journal of Polymer Science Part A: Polymer Chemistry:

    2005-4-1 · Poly(methyl methacrylate)-b-poly(vinyl chloride)-b-poly(methyl methacrylate) (PMMA-b-PVC-b-PMMA) block copolymers were synthesized by the CuCl/2,2′-bipyridine (bpy)-catalyzed living radical polymerization of methyl methacrylate (MMA) initiated from the chain ends of α,ω-di(iodo)poly(vinyl chloride) in diphenyl ether at 90 °C.

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  • A marine photosynthetic microbial cell factory as a ...

    2020-7-8 · In our previous study, we had examined the cell growth of R. sulfidophilum under different light conditions, such as intensity (8 and 50 W m −2) and wavelength (730, 800, and 850 nm) 45.

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  • Everything You Need to Know About Nicotinamide

    2021-1-22 · Nicotinamide Riboside Chloride or Niagen is the crystal form of Nicotinamide Riboside, which is an NAD+ precursor vitamin. While Nicotinamide Riboside weighs 255.25 g/mol, Nicotinamide Riboside Chloride weighs 290.70 g/mol and 100 mg of Nicotinamide Riboside Chloride provides 88 mg of Nicotinamide Riboside.

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  • TOXICITY REDUCTION IN LEATHER TANNING

    2013-7-12 · July 2005, were performed using ferric chloride, ferrous chloride, aluminium sulphate and poly-aluminium ferric chloride (PAFC). The optimum coagulation conditions for the first sample were determined as 8.5 pH and 900 mg l-1 dose of PAFC with the addition of Ca(OH) 2 which resulted in a 76% COD and 98% TSS

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  • Optimization of Electrospinning Conditions for Magnetic ...

    2021-7-6 · prepared on the optimum conditions: 12wt% concentration, 20 kV voltages, 20 cm tips to collector distance and 0.5 mL/h flow rate. At the optimal operating conditions for electrospinning, the role of MNPs content on the nanofibers diameter and specific surface area were explored. It was shown for the first time that, when the Fe 3 O 4

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  • ISSN: 0975-766X CODEN: IJPTFI Available Online through ...

    2016-7-24 · The results showed that after using the poly aluminum chloride, ferrous sulfate, ferric chloride and aluminum sulfate coagulants, in the turbidity of 200, 100, 50, 20, 10 NTU, the pH level have reduced in a way that by increasing each mg/l poly aluminum chloride, ferrous sulfate, ferric chloride about 0.01 unit pH have reduced.

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  • Effect of pH on Separation of Solid Content from Paint ...

    In an invitro study, the effects of three organic coagulants were presented on decrease of discharge effluent turbidity in an industrial unitare. These coagulants consist of Aluminum sulphate, Ferric chloride II and Poly Aluminum chloride which optimum dosage and pH of each ones are determined. In the case

    Get Price
  • An alternative method for preparation of

    Abstract The drawbacks, high energy consumption, rigorous preparation condition and high impurity contents, have been well-recognized in the preparation of widely-used polyaluminum chloride via conventional methods in industrial scale. In order to overcome the drawbacks, the fresh aluminum hydroxide gels were proposed to prepare the polyaluminum chloride (PACG) in this study. The optimal ...

    Get Price
  • Assessment of Coagulants Efficiency in Water

    2016-10-3 · Many kinds of inorganic polymers have been developed, but, amongst them, polyaluminum chloride (PACl) is one of the most common kinds and has become most widely applied.The main objective in this research was the evaluation of three coagulants efficiency in the turbidity removal of Karoun river water in water treatment plant (WTP) of Kut-e Amir in different turbidity ranges of 0 to …

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  • Final Report: Small-Scale Studies on Low Intensity ...

    2020-2-5 · Final Report: Small-Scale Studies on Low Intensity Chemical Dosing (LICD) for Treatment of Highway Runoff April 19, 2006 P. Bachand1, J. Trejo-Gaytan 3, J. Darby3, J. Reuter2 1Bachand & Associates; 2U.C. Davis Tahoe Environmental Research Center (TERC); 3U.C. Davis Civil and Environmental Engineering in partial fulfillment of Contract No. 43A0073 of Task Order Number 13

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  • Study on Energy Use by Air Conditioning Final Report 02

    2016-7-21 · Study on Energy Use by Air-Conditioning: Final Report 5 1. Introduction This is the Final Report for DECC’s Study on Energy Use by Air-Conditioning, providing an overview of the findings. All the questions (listed below) have been addressed, but the responses have sometimes been limited by a shortage of information.

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  • Effect of polystyrene on poly(ethylene terephthalate ...

    1. INTRODUCTION. Poly(ethylene terephthalate) (PET) is a semi crystalline thermoplastic widely used by the food and health care packaging industries in the production bottles and containers for soft drink beverages, oils, creams, etc.

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  • Materials for stem cell factories of the future | Nature ...

    2014-5-21 · A similar study demonstrated the long-term growth of hPSCs on LN-511-coated plates for 20 passages over 4 months in chemically defined O3 medium and …

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