cationic polyacrylamide flocculant for palm oil wastewater treatment at daily chemical
cationic polyacrylamide flocculant for palm oil wastewater treatment at daily chemical
Removal of organic pollutants from wastewater using chitosan … The production of organic effluents derives from several industry areas, and the increase o
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Removal of organic pollutants from wastewater using chitosan …
The production of organic effluents derives from several industry areas, and the increase of this production accompanied those industries growth. The components of those effluents have high toxicity, which may cause serious damages to the affected environment. For this reason, the research for alternative materials (derived naturally or from industrial residues) for wastewater treatment has …
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Preparation and Flocculation Performance of Polysilicate …
A composite flocculant (PSAS-CS) consisted of cationic starch (CS) and polyaluminum silicate (PSAS) was prepared and used for the flocculation of simulated water samples. The morphology and structure of PSAS-CS were characterized by X-ray diffraction, scanning electron microscopy, and infrared spectroscopy. The effect of flocculation conditions such as the flocculant dosage and the simulated …
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Synthesis of a Micro-Crosslinked Polyacrylamide Flocculant …
A cationic polyacrylamide (PADO) with excellent flocculation performance was synthesized by the inverse emulsion polymerization of acrylamide benzyldimethyl[2-[(1-oxoallyl)oxy]ethyl]ammonium chloride (DBC) and vinyl siloxanes (VTEO). The structure and weight of PADOs were characterized by H NMR spectra and static light scattering. The impacts of the types and amounts of vinyl siloxanes were …
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Characterization and Evaluation of Dewatering Properties of …
UV-Initiated Graft Copolymerization of Cationic Chitosan-Based Flocculants for Treatment of Zinc Phosphate-Contaminated Wastewater. Industrial & Engineering Chemistry Research 2016, 55 (38) , 10025-10035. DOI: 10.1021/acs.iecr.6b02855.
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Synthesis, characterization and application of novel cationic …
Polyacrylamide and cationic polymer based flocculants used in wastewater and industrial effluent treatment are highly efficient at low doses. But they are fragile and expensive. On the other hand, polysaccharides are cheap, biodegradable, shear stable but less effective as flocculants (Singh et al., 2003, Singh et al., 2009, Krishnamoorthi and …
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Synthesis of water soluble ionic liquid copolymers based on …
Flocculation is an effective and economic method for wastewater treatment. There are many flocculants of treating wastewater, which are used in order to remove organic and inorganic materials 15 …
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Synthesis and properties of xanthan gum-acrylamide …
Chen et al. synthesized a highly efficient lignin-grafted cationic polyacrylamide (L-CPA) flocculant with excellent flocculation efficiency (pH = 5–9) for kaolin suspensions under slightly acidic, neutral or alkaline conditions by the “grafting” method [33], The effect of pH in this study was the same as the pH window of XAC, further …
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The enhanced dewaterability of sludge by a starch-based …
Traditional coagulants and flocculants, such as polyaluminium chloride, polyferric sulfate and cationic polyacrylamide (PAM), were widely used because they can effectively aggregate the sludge …
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Flocculation Mechanism Induced by Cationic Polymers …
Treatment of Pulp and Paper Mill Wastewater with Various Molecular Weight of PolyDADMAC Induced Flocculation with Polyacrylamide in the Hybrid System. Advances in Chemical Engineering and Science 2012, 02, 490-503. DOI: 10.4236/aces.2012.24060. Geoffrey S. Simate, Sunny E. Iyuke, Sehliselo Ndlovu, Mike Heydenrych.
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Polyelectrolyte polymers—Types, forms, and function …
Poly (acrylamide- co -acrylic acid) copolymers and their sodium salts (APAM) are widely used as a thickening agent, binder, superabsorbents, soil conditioner, filtering aid, a flocculating agent, cross-linker, suspending agent, lubricant, and oil recovery agent. One of its largest uses is wastewater treatment.
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A review on application of flocculants in wastewater treatment
Chemical coagulants/flocculants are conventionally applied in wastewater treatment and derived from chemically/petroleum-based materials. Natural bio-flocculants are extensively explored on the past few years and sourced from natural materials. Meanwhile, grafted flocculants are investigated recently and synthesised by combining the properties …
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Polyacrylamide degradation and its implications in … – Nature
High molecular weight (10 6 –3 × 10 7 Da) polyacrylamide (PAM) is commonly used as a flocculant in water and wastewater treatment, as a soil conditioner, and as a viscosity modifier and…
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Synthesis and application of polyacrylamide grafted magnetic …
Accumulation of organic load in palm oil mill wastewater has become a major issue of concern. In this study, a new polyacrylamide grafted onto magnetic cellulose (PAM-g-MagCell) was successfully produced by microwave assisted synthesis and used as flocculant for the removal of total suspended solid (TSS), turbidity, chemical oxygen demand (COD) and colour.
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Wastewater treatment using plant-derived bioflocculants …
Plant-based grafted copolymerization has been shown to be an efficient green flocculant for wastewater treatment, containing the best properties of both the plant and polymer groups. Green flocculants for wastewater treatment have been found to be efficient, shear stable, and environmentally friendly by researchers.
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Synthesis and application of polyacrylamide grafted magnetic …
Sustainable cationic cellulose bio-flocculants with various amino group contents were successfully prepared by a feasible chemical crosslinking with polyethyleneimine (PEI), and this work provides a feasible approach to efficiently purify high turbidity wastewater. 2
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Phytotoxicity and Cost-effectiveness Analysis of Palm Oil …
ride (PAC), and polyacrylamide (PAM). This study is expected to contribute to the knowledge about the utilization of greener modifying agents for the purpose of minimizing the toxicological and economical impacts of synthetic monomers and metallic-based coagulant/flocculants specifically in palm oil wastewater treatment via C-F process.
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Recent Achievements in Polymer Bio-Based Flocculants for …
The comparison of the flocculation results of the compounds tested with the commercial polyacrylamide flocculants shows their great suitability for water treatment. An amphoteric flocculant was obtained by grafting of methacryloxyethyltrimethyl ammonium chloride (DMC) and acrylic acid (AA) copolymer onto microcrystalline cellulose [ 104 ].
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Phytotoxicity and Cost-effectiveness Analysis of Palm Oil …
Toxicological issue on wastewater treated with conventional and starch modified with synthetic cationic monomers flocculants has become a major concern. Thus, selection on greener and low-cost …
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Cationic polyacrylamide copolymers (PAMs): environmental half …
Background Cationic polyacrylamide copolymers (PAMs) are used for sludge dewatering in municipal waste water treatment and might enter the environment by spreading of the sludge on agricultural land. Concern has been expressed since little is known about the degradation of PAMs in soils. To obtain detailed information on the polymer’s fate in the soil compartment, the degradation of 14C …
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Fabricating an anionic polyacrylamide (APAM) with an anionic …
In the process of waste water treatment, flocculation is regarded as an important purification technique and has been widely applied due to its prominent advantages such as high efficiency, low cost and simple operation compared with other purification techniques. 9,10 As a common and widely used flocculant, the synthetic polyelectrolyte …
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