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cheap anionic polyacrylamide effects on soil sorption in south africa

  • Effects of polyacrylamide molecular weight and mass ...

    2021-3-18 · The addition of PAM and other soil amendments also stabilizes soil structure, maintains air infiltration of soil, and increases soil saturated hydraulic conductivity 17.

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  • Journal: Water, air, and soil pollution Publication

    Anionic polyacrylamide (PAM) is a linear, water-soluble anionic polymer that is widely used for erosion control and water quality protection. There has been an issue whether this formulation could possibly have negative effects on soil microbial diversity by altering microbial binding to soil particles or to one another and thus restricting their mobility and role in carbon and nutrient cycling.

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  • Soil and water conservation effects on soil properties

    2017-9-1 · Community-based Soil and Water Conservation (SWC) practices have been adopted in the Tigray region since 1991 for restoration of the degraded landscape. The effects of those conservation measures on physico-chemical properties of soil were limitedly studied. Thus, this study evaluated the effects of SWC on selected soil properties in the Middle ...

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    2021-2-16 · Hence, under environmentally relevant conditions, anionic polycarboxylates generally show strong sorption to activated sludge, soil particles, and other solids [18, 58, 62]. A K d of 1,825 L/kg was determined for sorption of P-AA (16.1 kDa) to activated sludge ([ 19 ], see Table S4).

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    Calcigel bentonite and Calcigel-polyacrylamide composites were investigated experimentally for their adsorption characteristics and hydro-mechanical and microscopic structural properties. Polymer charge and mass were varied systematically. The latter was adjusted considering the maximum sorption capacity established by means of adsorption isotherms.

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    2021-3-12 · At the same time, aqueous glutaraldehyde concentrations decreased due to sorption to soil and were completely biodegraded within 33–57 days. While no aqueous removal of polyacrylamide friction reducer was observed over a period of 6 months, it cross-linked with glutaraldehyde, further lowering the biocide’s aqueous concentration.

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    2020-3-1 · Anionic polyacrylamide (PAM) addition followed by a second rapid mixing stage occurred before the water traveled into the bottom of a slow mixing tank (15-gal capacity, 15-in. diameter, polyethylene tank which included a 6.5-in. Lightnin™ propeller located midway up the tank and operated at 102 rpms) where slow mixing occurred to aid floc aggregation.

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  • Using polyacrylamide to mitigate post-fire soil erosion ...

    2015-2-1 · Granular anionic polyacrylamide (PAM) was tested to reduce post-fire soil erosion. •. PAM increased runoff in the 1st storm due to changes in runoff and soil solution viscosities. •. This effect was reversed after one drying cycle. •. The application of PAM reduced soil loss in three consecutive storms. •.

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    2021-3-18 · Anionic PAM can regulate soil water infiltration, enhance soil water retention capacity, and inhibit soil water evaporation. Flanagan et al. 10 added a small amount of anionic PAM to tap water under artificial rainfall, and the results showed that the addition of …

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    2016-10-18 · The applications of biochar (BC) and polyacrylamide (PAM) may have interactive effects on carbon (C) dynamics and sequestration for improving the soil quality and achieving sustainable agriculture. Relative to BC and PAM, rhizodeposits act as C and energy source for microorganisms and may change the mineralization dynamics of soil organic matter (SOM).

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    Using polyacrylamide to mitigate post-fire soil erosion. Assaf Inbar. Marcelo Sternberg. Marcos Lado. Assaf Inbar. Marcelo Sternberg. Marcos Lado. Related Papers. Forest fire effects on soil chemical and physicochemical properties, infiltration, runoff, and erosion in a semiarid Mediterranean region.

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  • (PDF) Using polyacrylamide to mitigate post-fire soil ...

    Calcigel bentonite-polyacrylamide (PAA) composites were investigated for their formation characteristics and their macroscopic hydro-mechanical and microscopic structural properties. The composites prepared were different in terms of the polymer charge, i.e. cationic (PAA + ), anionic (PAA − ), non-ionic (PAA o) and in terms of the polymer-to ...

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  • Hydro-mechanical properties of Calcigel

    2021-2-16 · Because of their usually high molecular weight, polymers are generally considered as being of low environmental concern and are, therefore, exempted from registration and evaluation within REACH. This exemption is currently being reviewed by the European Commission. Against this background, data on the environmental fate and effects of selected water-soluble synthetic organic …

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    2021-3-12 · Hydraulic fracturing frequently occurs on agricultural land. Yet the extent of sorption, transformation, and interactions among the numerous organic frac fluid and oil and gas wastewater constituents upon environmental release is hardly known. Thus, this study aims to advance our current understanding of processes that control the environmental fate and toxicity of commonly used …

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    2021-5-23 · the most hot-selling cpam cationic polyacrylamide at sa market | Water Treatment Supplier. Global Polyacrylamide Market 2018 by Manufacturers, Regions Middle East and Africa (Saudi Arabia, UAE, Egypt, Nigeria and South Africa) Market Segment by Type, covers Non-Ionic Polyacrylamide (PAMN) Anionic Polyacrylamide (APAM) Cationic...

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    Literature on Agricultural, Horticultural, and Medial Uses of Polyacrylamide Gels Compiled by Dr. Linda Chalker-Scott, Ph.D. Associate Professor and Extension Urban Horticulturist, WSU Puyallup Research and Extension Center Cross-linked PAM Hydrogel Effects on Plants Abbey, T. and T. Rathier. 2005. Effects of mycorrhizal fungi, biostimulants and water absorbing polymers on the growth and ...

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  • Literature on Polyacrylamide Gels | Linda Chalker

    Calcigel bentonite-polyacrylamide (PAA) composites were investigated for their formation characteristics and their macroscopic hydro-mechanical and microscopic structural properties. The composites prepared were different in terms of the polymer charge, i.e. cationic (PAA + ), anionic (PAA − ), non-ionic (PAA o) and in terms of the polymer-to ...

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    2021-5-21 · Anionic polyacrylamide for Municipal Sewage Treatment. Polyacrylamide Polyscrylamide brief name PAM, so-called flocculant or coagulate, and includes cation and anion, the molecular weight is between 400-18,000,000, it looks like white or t light yellow powder, liquidity is in the form of being no color dense colloid, dissolved in water

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    Using polyacrylamide to mitigate post-fire soil erosion. Assaf Inbar. Marcelo Sternberg. Marcos Lado. Assaf Inbar. Marcelo Sternberg. Marcos Lado. Related Papers. Forest fire effects on soil chemical and physicochemical properties, infiltration, runoff, and erosion in a semiarid Mediterranean region.

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  • (PDF) Using polyacrylamide to mitigate post-fire soil ...

    2018-4-23 · The nutrient loss caused by soil erosion is the main reason for soil degradation and environmental pollution, and polyacrylamide (PAM) as a common soil …

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  • Mathematical model of ammonium nitrogen transport

    2009-7-1 · About 3.5 billion ha of land, which amounts to almost 30% of the total solid land of the world, has been degraded by human activities. The ecological restoration of these lands is a major challenge for mankind since they are the only option left for increasing the amount of arable land and producing food for the ever growing worldwide population. One common feature of these degraded lands is ...

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    2021-3-12 · Hydraulic fracturing frequently occurs on agricultural land. Yet the extent of sorption, transformation, and interactions among the numerous organic frac fluid and oil and gas wastewater constituents upon environmental release is hardly known. Thus, this study aims to advance our current understanding of processes that control the environmental fate and toxicity of commonly used …

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  • Spills of Hydraulic Fracturing Chemicals on

    2020-1-1 · The commercial use of biofertilizers has begun more than 120 years ago, when “Nitragin” was registered for plant inoculation with Rhizobium sp. Bioinoculants based on the rhizobial strains are now available on the agricultural market for more than 100 years (O'Callaghan, 2016).According to Verma et al. (2019), approximately 5% of total fertilizer market constitutes biofertilizers and more ...

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    Polyacrylamide (PAM) for Flocculant and coagulant chemical raw materials Product description Brief introduction & Products photos anionic Polyacrylamide (APAM) is a linear water-soluble polymer,white granule or powder,a watersoluble polymer compound is one of the most widely used species,APAM and its derivatives can be used as efficient

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  • Literature on Polyacrylamide Gels | Linda Chalker

    Literature on Agricultural, Horticultural, and Medial Uses of Polyacrylamide Gels Compiled by Dr. Linda Chalker-Scott, Ph.D. Associate Professor and Extension Urban Horticulturist, WSU Puyallup Research and Extension Center Cross-linked PAM Hydrogel Effects on Plants Abbey, T. and T. Rathier. 2005. Effects of mycorrhizal fungi, biostimulants and water absorbing polymers on the growth and ...

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  • made urban sewage treatment nonionic

    2021-5-21 · Anionic polyacrylamide for Municipal Sewage Treatment. Polyacrylamide Polyscrylamide brief name PAM, so-called flocculant or coagulate, and includes cation and anion, the molecular weight is between 400-18,000,000, it looks like white or t light yellow powder, liquidity is in the form of being no color dense colloid, dissolved in water

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  • CSIRO PUBLISHING | Soil Research

    Bond RD (1960) The occurrence of microbial filaments in soils and their effect on some soil properties. CSIRO Division of Soils, Division Report 10/60, Adelaide, Australia. Bond RD (1962) Effects of micro-organisms on some physical properties of soils. In ‘CSIRO 3rd Australian Soil Science Conference’.

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  • Advances in POME treatment methods: potentials of ...

    2021-6-14 · The discharge of palm oil mill effluent (POME) without effective treatment is highly toxic to the environment and receiving waters due to its high chemical oxygen demand , biochemical oxygen demand and increased levels of suspended solids. The ponding system is regarded as a conventional method for the treatment of POME but requires long retention time and extensive treatment areas.

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  • Investigation of Sorption and Separation of

    2016-12-18 · Adsorption can be efficiently employed for the removal of various toxic dyes from water and wastewater. In this article, the authors reviewed variety of adsorbents used by various researchers for the removal of malachite green (MG) dye from an aqueous environment. The main motto of this review article was to assemble the scattered available information of adsorbents used for the removal of MG ...

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  • A Review on Heavy Metal Ions and Containing Dyes

    2011-4-21 · Activated carbons, waste materials, industrial by-products, agricultural waste products, biosorbents, etc., have been used for the removal and recovery of chromium [Cr (III) and Cr (VI)] from water/wastewater. For simplicity, in this review article, adsorbents are divided into two classes: (1) activated carbons; (2) other low cost adsorbents. 4.

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  • Malachite green “a cationic dye” and its removal from ...

    2001-3-2 · In dealing with the passive transport of organic contaminants from soils to plants (including crops), a partition-limited model is proposed in which (i) the maximum (equilibrium) concentration of a contaminant in any location in the plant is determined by partition equilibrium with its concentration in the soil interstitial water, which in turn is determined essentially by the concentration in ...

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  • CSIRO PUBLISHING | Soil Research

    Bond RD (1960) The occurrence of microbial filaments in soils and their effect on some soil properties. CSIRO Division of Soils, Division Report 10/60, Adelaide, Australia. Bond RD (1962) Effects of micro-organisms on some physical properties of soils. In ‘CSIRO 3rd Australian Soil Science Conference’.

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  • Malachite green “a cationic dye” and its removal from ...

    2016-12-18 · Adsorption can be efficiently employed for the removal of various toxic dyes from water and wastewater. In this article, the authors reviewed variety of adsorbents used by various researchers for the removal of malachite green (MG) dye from an aqueous environment. The main motto of this review article was to assemble the scattered available information of adsorbents used for the removal of MG ...

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  • J | Free Full-Text | Adsorptive and Coagulative

    The presence of toxic metals in surface and natural waters, even at trace levels, poses a great danger to humans and the ecosystem. Although the combination of adsorption and coagulation techniques has the potential to eradicate this problem, the use of inappropriate media remains a major drawback. This study reports on the application of NaNO2/NaHCO3 modified sawdust-based cellulose ...

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  • A Review on Heavy Metal Ions and Containing Dyes

    2019-5-25 · Their anionic surface charge facilitates transport through soil- and sand-packed columns. Elution lengths from column breakthrough studies were compared with calculations based on the Tufenkji−Elimelech model (Environ Sci. Technol. 2004, 38, 529).

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  • Delivery Vehicles for Zerovalent Metal Nanoparticles

    Binary (Chitosan-Cu(II), CCu) and Ternary (Chitosan-Alginate-Cu(II), CACu) composite materials were synthesized at variable composition: CCu (1:1), CACu1 (1:1:1), CACu2 (1:2:1) and CACu3 (2:1:1). Characterization was carried out via spectroscopic (FTIR, solids C-13 NMR, XPS and Raman), thermal (differential scanning calorimetry (DSC) and TGA), XRD, point of zero charge and solvent swelling ...

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  • Polymers | Free Full-Text | Sequestration of Sulfate ...

    2021-6-14 · The discharge of palm oil mill effluent (POME) without effective treatment is highly toxic to the environment and receiving waters due to its high chemical oxygen demand , biochemical oxygen demand and increased levels of suspended solids. The ponding system is regarded as a conventional method for the treatment of POME but requires long retention time and extensive treatment areas.

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  • Advances in POME treatment methods: potentials of ...

    2021-6-1 · Biochar is a carbon-rich product, derived from the pyrolysis of biomass in the absence of oxygen. It is a widely accepted soil amendment for increasing the amount of soil carbon, nutrients, organic matter, enhancing population of soil microbes, soil retention and aeration capacity. Biochar can be produced using agriculture residues, plant biomass, and animal waste. Eichhornia crassipes is a ...

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  • Utilization of Eichhornia crassipes biomass for

    Corresponding Author. SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700 South Africa. Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, 5700 South Africa

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    Sorption of the Mo was revealed to be greater for the biosolid-amended soil. Though, Mo related with biosolid-amended soils is comparatively mobile and bioavailable. Adsorption of Mo was probed in California on 5 arid zone and the results showed that adsorption of molybdenum from pH 4-8 salinity solution was independent as a function of pH of ...

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    Manufacturer Of Cpam, Manufacturer Of Cpam Suppliers. Alibaba.com offers 13,318 manufacturer of cpam products. About 16% of these are paper chemicals, 14% are petroleum additives, and 13% are leather auxiliary agents.

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  • Author: 'Li, Wenjun' - PubAg Search Results

    The secondary-amine mediated [3 + 2] annulation of azonaphthalenes with aldehydes and ketones is described for the first time, which provides an alternative protocol for the synthesis of indole derivatives. It features a cheap and readily available catalyst, a broad scope of reactants, very mild reaction conditions, and high efficiency.

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    2021-6-17 · Sodium Carbonate Price - Buy Cheap Sodium Carbonate At Low Price On Made-in-China. China Soda Ash Light Sodium Carbonate Na2co3 Best Price Soda Ash Prices US 280-340 Ton Min. Order:25 Tons CAS No.: 497-19-8 Formula: Na2co3

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  • Delivery Vehicles for Zerovalent Metal Nanoparticles

    2019-5-25 · Their anionic surface charge facilitates transport through soil- and sand-packed columns. Elution lengths from column breakthrough studies were compared with calculations based on the Tufenkji−Elimelech model (Environ Sci. Technol. 2004, 38, 529).

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  • Removal of Hazardous Oxyanions from the

    2019-3-20 · 2.1. Arsenic Pollution. Arsenic is a metalloid that occurs in in the +III and +V oxidation states. It is a building element of the Earth’s crust and is naturally occurring in the environment in the air, soils and rocks, natural water, and organisms [36,37].In its inorganic form it …

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  • Preparation and application of modified zeolites as ...

    Natural zeolites are porous hydrated minerals with anionic framework, the crystalline structure comprises of silicon (aluminum) and oxygen tetrahedron, and the pore is formed by a combination of different tetrahedra (Malamis & Katsou 2013).Zeolites have the ability to exchange cations in structures, losing or accepting water molecules (Srdan et al. 2014).

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  • A Partition-Limited Model for the Plant Uptake of

    2001-3-2 · In dealing with the passive transport of organic contaminants from soils to plants (including crops), a partition-limited model is proposed in which (i) the maximum (equilibrium) concentration of a contaminant in any location in the plant is determined by partition equilibrium with its concentration in the soil interstitial water, which in turn is determined essentially by the concentration in ...

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  • Implications for public health demands alternatives to ...

    Corresponding Author. SAMRC Microbial Water Quality Monitoring Centre, University of Fort Hare, Alice, 5700 South Africa. Applied and Environmental Microbiology Research Group (AEMREG), Department of Biochemistry and Microbiology, University of Fort Hare, Alice, 5700 South Africa

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  • Recent Progress in Polymer-Containing Soft Matters

    2017-4-24 · Effects of gramineae straw and soil condtioner on the quantity of soil microorganisms in tobacco fields[J]. Journal of Southwest Agricultural University, 2002, 24(2): 1288 169-172. [47] ADRIANO B, NICOLETTA C, ELISA N, et al. Paper mill sludge–soil mixture: kinetic and thermodynamic tests of cadmium and lead sorption capability[J].

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  • Preparation and application of modified zeolites as ...

    Natural zeolites are porous hydrated minerals with anionic framework, the crystalline structure comprises of silicon (aluminum) and oxygen tetrahedron, and the pore is formed by a combination of different tetrahedra (Malamis & Katsou 2013).Zeolites have the ability to exchange cations in structures, losing or accepting water molecules (Srdan et al. 2014).

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    Soft And Wearable Transducers: Opportunities And Challenges For Daily Use. S. P. Lacour . 2019-01-01. 32nd IEEE International Conference on Micro Electro Mechanical ...

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  • PUBLICATIONS ‒ LSBI ‐ EPFL

    2021-6-1 · Today, environmental destructive effects due to overuse and incorrect use of chemical pesticides, have led to an increase in biological control used in most parts of the world . The application of plant growth-promoting rhizobacteria (PGPR) has been used for sustainable agriculture production and recovery of degraded lands [ 2 ].

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  • Biopolymers for Biological Control of Plant Pathogens ...

    State-Scale Perspective on Water Use and Production Associated with Oil and Gas Operations, Oklahoma, U.S. Kyle E. Murray*. Environmental Science & Technology 2013, 47, 9, 4918-4925 (Article) Publication Date (Web): March 26, 2013.

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  • Environmental Science & Technology | Vol 47, No 9

    Ballabh, H. Net Flux of Heavy Metals Between Estuarine and Nearshore Environments: A Case Study of the Isipingo Estuary, KwaZulu-Natal, South Africa [Volume 8, Issue 4, 2014, Pages 1241-1250] Bamal, S. Modeling of River Velocity, Temperature, Bed Deformation and its Effects on Rainbow Trout (Oncorhynchus mykiss) Habitat in Lees Ferry, Colorado ...

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  • International Journal of Environmental Research -

    2009-1-1 · Biosorption may be simply defined as the removal of substances from solution by biological material. Such substances can be organic and inorganic, and in gaseous, soluble or insoluble forms. Biosorption is a physico‐chemical process and includes such mechanisms as absorption, adsorption, ion exchange, surface complexation and precipitation. Biosorption is a property of both living and dead ...

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  • Biosorption: critical review of scientific rationale ...

    Leadership Concern. Sanfeng Environmental Group Co., Ltd. is a water-service group with core competiveness domestically as well as R & D base of Chinese Academy of Sciences for water treatment. With strategic positioning of “Leading Comprehensive Water-treatment Service Provider”, based on the market, supported by sufficient capital, guided ...

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  • -Shandong Sanfeng Group Co., Ltd. -

    The Standard Abbreviation (ISO4) of International Journal of Environmental Science and Technology is Int J Environ Sci Technol (Tehran). International Journal of Environmental Science and Technology should be cited as Int J Environ Sci Technol (Tehran) for abstracting, indexing and referencing purposes.

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  • Removal of Fluoride from Drinking Water by Sorption

    2019-12-3 · Europe PMC is an archive of life sciences journal literature.

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  • Removal of Fluoride from Drinking Water by Sorption

    Exposure to fluoride beyond the recommended level for longer duration causes both dental and skeletal fluorosis. Thus, the development of cost-effective, locally available, and environmentally benign adsorbents for fluoride removal from contaminated water sources is absolutely required. In the present study, diatomaceous earth (diatomite) locally available in Ethiopia, modified by treating it ...

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  • Enhancing the available water content in unsaturated

    The effects of hydrogels on the soil water retention characteristic curve (WRC) and on the growth indices of Ligusrum ovalifolium (an ornamental plant dominating in the landscape of central Iran) were studied. Various amounts of hydrogels (Suprab

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  • Biopolymers for Biological Control of Plant Pathogens ...

    2021-6-1 · Today, environmental destructive effects due to overuse and incorrect use of chemical pesticides, have led to an increase in biological control used in most parts of the world . The application of plant growth-promoting rhizobacteria (PGPR) has been used for sustainable agriculture production and recovery of degraded lands [ 2 ].

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  • Current Advances of Polymer Composites for Water

    2020-4-13 · Over the past five years, a lot of research activities in polymer composites were done in order to improve environmental sustainability and to present advantages for commercial applications of water treatment and desalination. Polymers offered tunable properties, improved processability, remarkable stability, high surface area for fast decontamination, selectivity to eliminate different ...

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  • Synthetic gel structures in soils for sustainable potato ...

    2019-12-9 · WRC of synthetic gel structures and technological modeling of their application in the soil: ( a, b) WRC (main figure), pore distribution (inset); 1 – control, 2 – 0.1%, 3 – 0.3%SGS, H ...

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  • Novel Systems and Membrane Technologies for

    The Standard Abbreviation (ISO4) of International Journal of Environmental Science and Technology is Int J Environ Sci Technol (Tehran). International Journal of Environmental Science and Technology should be cited as Int J Environ Sci Technol (Tehran) for abstracting, indexing and referencing purposes.

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  • International Journal of Environmental Science and ...

    2018-6-17 · (2011). Fungal biosorption – an alternative to meet the challenges of heavy metal pollution in aqueous solutions. Environmental Technology: Vol. 32, No. 5, pp. 467-491.

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  • Full article: Fungal biosorption – an alternative to

    Leadership Concern. Sanfeng Environmental Group Co., Ltd. is a water-service group with core competiveness domestically as well as R & D base of Chinese Academy of Sciences for water treatment. With strategic positioning of “Leading Comprehensive Water-treatment Service Provider”, based on the market, supported by sufficient capital, guided ...

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  • Sedimentation with the Omeliansky Formula as an

    Effects of Depth and Land Cover on Soil Properties as Indicated by Carbon and Nitrogen-Stable Isotope Analysis. ... Sorption of Lead and Cadmium Cations on Natural and Manganese-Modified Zeolite. Anielak, ... The Effect of Anionic Surfactant Concentration on Activated Sludge Condition and Phosphate Release in Biological Treatment Plant.

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  • Frontiers | Super and Selective Adsorption of Cationic ...

    2021-5-26 · The carboxylate-functionalized passion fruit peel (PFPCS) was an efficient and rapid biosorbent for wastewater treatment. The PFPCS exhibited excellent selectivity to the cationic dyes, where the maximum adsorption capacities for methylene blue (MB) and methyl violet (MV) were 1775.76 mg·g-1 and 3756.33 mg·g-1, respectively. And the adsorption process of MB and MV on PFPCS …

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  • Advances in Application of Natural Clay and Its

    Natural clays are abundantly available low-cost natural resource which is nontoxic to ecosystem. Over the recent years, research on the modification of clay to increase their adsorbent capacity to remove other contaminants from drinking water other than metals is in progress. This paper reviews the recent development of natural clays and their modified forms as adsorbing agents for treating ...

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  • Synthetic gel structures in soils for sustainable potato ...

    2019-12-9 · WRC of synthetic gel structures and technological modeling of their application in the soil: ( a, b) WRC (main figure), pore distribution (inset); 1 – control, 2 – 0.1%, 3 – 0.3%SGS, H ...

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  • Current Advances of Polymer Composites for Water

    2020-4-13 · Over the past five years, a lot of research activities in polymer composites were done in order to improve environmental sustainability and to present advantages for commercial applications of water treatment and desalination. Polymers offered tunable properties, improved processability, remarkable stability, high surface area for fast decontamination, selectivity to eliminate different ...

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  • Full article: Fungal biosorption – an alternative to

    2018-6-17 · (2011). Fungal biosorption – an alternative to meet the challenges of heavy metal pollution in aqueous solutions. Environmental Technology: Vol. 32, No. 5, pp. 467-491.

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  • Pharmaceuticals, Personal Care Products, and

    2018-4-19 · Influence of biochar on sorption, leaching and dissipation of bisphenol A and 17α-ethynylestradiol in soil 1 January 2015 | Environmental Science: Processes & Impacts, Vol. 17, No. 10 Bioanalytical tools: half a century of application for potable reuse

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  • Antiviral surfaces and coatings and their mechanisms

    2021-5-28 · Viral infections are a serious health challenge, and the COVID-19 pandemic has increased the demand for antiviral measures and treatments for clean surfaces, especially in …

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  • 2.2: Pollutants with specific properties - Chemistry ...

    2021-1-17 · This means that at pH 4.1, 50% of the dissolved diclofenac is in the dissociated (anionic) form (so, (1 - f N) from equation 5). At pH 5.1 (1 unit higher than the pK a) this is roughly 90% (90.91% to be more precise, but simply remembering 90% helps), at pH 6.1 (2 units higher than the pK a) this is 99%.

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  • Poly(ionic liquid) composites - Chemical Society

    2019-10-26 · 1. Introduction Poly(ionic liquid)s (PILs), as the polymerization products of an ionic liquid (IL) monomer, have emerged in the last decade as an interdisciplinary topic across multiple research fields, i.e., polymers, ILs and materials science; the wide interest in them is due to their broad range of physicochemical properties and their abundance of chemical structure designs with the use of ...

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  • Research ‒ LMER ‐ EPFL

    Mohamed Rashad Abdel Fattah, Mubarak City for Science and Technology, Land and Water Technologies Department, Faculty Member. Studies Soil Science, Environmental Soil Science, and Soil Science, Environmental Soils Science, Another Soil and

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  • Mohamed Rashad Abdel Fattah | Mubarak City for

    In recent years, the removal of dyes from wastewater has attracted considerable attention due to their harmful effects to ecosystem and human health. Adsorption as a facile and effective technique has been widely used to eliminate a large variety of dyes from aqueous solutions. Activated carbon is the most preferred adsorbent to treat wastewater but its use is limited because of high cost.

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  • Efficiency of Sawdust as Low-Cost Adsorbent for Dyes

    The effects ofcontact time and initial lead(II) ion concentration were evaluated. The Langmuir, Freundlich and Dubinin–Radushkevich models were used to study the adsorption isotherms while thepseudo-first order, pseudo-second order, Elovich, Bangham’s and intra-particle diffusionmodels were used for the simulation of sorption kinetics.

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  • Vusi Pakade | Vaal University of Technology -

    2021-6-26 · Title:Polymer - Metal Nanocomplexes Based Delivery System: A Boon for Agriculture Revolution VOLUME: 20 ISSUE: 11 Author(s):Pawan Kaur*, Rita Choudhary, Anamika Pal, Chanchal Mony and Alok Adholeya Affiliation:Centre of Excellence in Agrinanotechnology, TERI-Deakin Nanobiotechnology Centre, Gurugram-122002, Centre of Excellence in Agrinanotechnology, TERI …

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  • Polymer - Metal Nanocomplexes Based Delivery

    Soil performs a multitude of key environmental, economic, social and cultural functions, and could be regarded as the most complex biological environment directly affected by PPPs. Soil, for example, provides food, biomass and raw materials and plays a central role as a …

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  • Scientific Opinion addressing the state of the science

    Effects of rock phosphate amended with poultry manure on soil available p and yield of maize and cowpea. May 2005 The effect of rock phosphate (Sokoto and Ogun rock phosphates) amended with poultry manure on soil available phosphate (P) and yield of maize and cowpea grown sequentially was evaluated for four cropping seasons.

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  • African Journal of Biotechnology - articles

    Impact of wastewater on surface water quality in developing countries: A case study of South Africa 2017; 401-16. Many opportunistic pathogens ( e.g. , Enterobacter cloacae, Enterococcus faecalis, Escherichia coli, Klebsiella pneumoniae, Proteus vulgaris or Pseudomonas aeruginosa ) may be carried by wastewater, which can cause numerous systemic ...

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  • Industrial Wastewater: Health Concern and Treatment ...

    The textile industry in India plays a vital role in the economic growth of the nation. The growth of the textile industry not only impacts the economy of a country but also influences the global economy and mutual exchange of technology between the countries. However, the textile industry also generates an enormous quantity of waste as waste sludge, fibers and chemically polluted waters. The ...

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