The new effective flocculants – Copolymers of N,N-dimethyl-N,N-diallyl-ammonium chloride and N,N-dimethylacrylamide

Abdiyev, Kaldibek; Toktarbay, Zhexenbek; Zhenissova, A. Zh.; Zhursumbaeva, M. B.; Kainazarova, Raya N.; Nuraje, Nurxat

doi:10.1016/j.colsurfa.2015.04.025

Cited by 24 publications

(13 citation statements)

References 32 publications

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“…Copolymers of PDADMAC and non‐ionic comonomers demonstrate effective flocculation of impurities in sludge and bentonite contaminated water, which contain a broad particle size distribution. Abdiyev et al . synthesized copolymers of PDADMAC and N,N ‐dimethylacrylamide (Fig.…”

Section: Characterizationmentioning

confidence: 99%

Addressing water scarcity: cationic polyelectrolytes in water treatment and purification

Wilts

Herzberger

Long

2018

Polymer International

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Synthetic cationic polyelectrolytes (CPEs) serve as coagulation and flocculation agents in wastewater treatment due to a synergy of inherent electrostatic interactions and hydrophilic properties. In wastewater treatment, CPEs act as coagulation and flocculation agents to aggregate impurities and enable water purification. New health and environmental-related regulations provide motivation for government agencies and industrial companies to reuse wastewater. Chemical structure, molecular weight, charge density and functionality of CPEs provide tailorability for specific purification needs. Cationic polyacrylamides, ammonium-based polymers, poly(allyldimethyl-ammonium chloride) and epichlorohydrin/dimethylamine-based polymers are the most common CPEs used as coagulation and flocculation agents because they are economical and water soluble with tunable charge densities at high molecular weights. Free radical polymerization, step-growth polymerization and post-polymerization modification methods afford each polymer system. This review highlights recent advancements in synthetic methods to yield CPEs, structure−property relationships as related to flocculation efficiency and a summary of their toxicity and environmental impact.

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Section: Characterizationmentioning

confidence: 99%

Addressing water scarcity: cationic polyelectrolytes in water treatment and purification

Wilts

Herzberger

Long

2018

Polymer International

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“…For example, the optimum flocculation concentration of the copolymer with composition 60:40 and 40:60 is 18 mg L, while for composition 90:10, it is 25 mg L. At these concentrations, clean (transparent) water is formed at the top of the suspension. This can be considered as a result of flocculation, under the action of flocculant's macromolecules, the suspension particles precipitated at the bottom of the container (Abdiyev et al, ; Harif et al, ).…”

Section: Resultsmentioning

confidence: 99%

“…Distilled water was used as a reference. The residual turbidity (RT) was calculated according to the following equation:

RT = \frac{{OD}_{740 s}}{{OD}_{740 i}} * 100 %,

where OD 740s denotes OD 740 after the addition of the flocculant and OD 740i denotes OD 740 of the suspension in the absence of the flocculant under the same experimental conditions (Abdiyev et al, ; Frolov and Grodsky, ).…”

Section: Methodsmentioning

confidence: 99%

“…In recent years, (co)polymers based on N,N‐diallyl‐N,N‐dimethylammonium chloride (DADMAC) have been widely used in many industrial applications as flocculants in potable water and waste water treatment (Abdiyev et al, ; Wandrey et al, ), electrochemical sensors based on gel–gel technology (Cabello‐Carramolino and Petit‐Dominguez, ), cationic polyelectrolytes in multiwalled carbon nanotube production for the extraction of toxic polychlorinated biphenyls (Zeng et al, ), coagulants (Verezhnikov et al, ), polycomplex formation agents (Nurkeeva et al, ; Shaikhutdinov et al, ), antibacterial blend films (Lu et al, ), hydrogels (Dragalova et al, ), and in other fields of industry due to their good solubility in water, nontoxicity, and high positive charge density.…”

Section: Introductionmentioning

confidence: 99%

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Copolymers of Diallyldimethylammonium Chloride and Vinyl Ether of Monoethanolamine: Synthesis, Flocculating, and Antimicrobial Properties

Dauletov

Nuraje

Abdiyev

et al. 2019

J Surfact & Detergents

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N,N‐diallyl‐N,N‐dimethylammonium chloride (DADMAC) and vinyl ether of monoethanolamine (VEMEA) copolymer P(DADMAC‐VEMEA) were synthesized using radical polymerization in water media using ammonium persulfate as an initiator. The synthesis of this copolymer was investigated over a wide composition range at low conversion levels. The viscosity of the copolymers was measured in aqueous 1 M NaCl. Flocculating action and antimicrobial activities of the copolymers P(DADMAC‐VEMEA) against microbacteria and sulfate‐reducing bacteria (SRB) were studied. Synthesized copolymers had flocculating effects and can be used to purify wastewater from particles of bentonite clays. Also, the copolymer with a molar composition [DADMAC]: [VEMEA] = (80÷20):(20÷80) retarded the population of both bacteria, Gram‐positive (Staphylococcus aureus) and Gram‐negative (Escherichia coli) in the diffusion zone. Furthermore, the copolymer with a molar composition [DADMAC]:[VEMEA] = (90÷10):(20÷80) had bactericidal properties against SRB. Minimum inhibitory concentration (MIC) of the copolymer varied from 0.01% to 0.1% depending on the molar composition of the copolymer.

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“…5 Nasr et al developed a cationic terpolymer 33 which consisted of dimethylaminoethyl methacrylate, NVP and vinyl acetate. 58 Another cationic polymer 34 based on the emulsion copolymerization between methyl acrylate (MA) and DAC was synthesized by Lu et al 5 More recently, the flocculation efficiency of a cationic copolymer 35 consisting of only DMA and DADMAC was reported by Abdiyev et al 59 P(MA-co-DAC) 34 with 55% charge density (CD) was compared to a P(AM-co-DAC) sample with the same CD (widely used for flocculation of biological sludge). 5 The results obtained showed that 34 had good water solubility and comparable or slightly better performance against the AM- based polymer at various concentrations.…”

Section: Synthetic Acrylamide-free Copolymersmentioning

confidence: 99%

Synthesis, properties and performance of organic polymers employed in flocculation applications

2016

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A note on versions:The version presented here may differ from the published version or, version of record, if you wish to cite this item you are advised to consult the publisher's version. Please see the 'permanent WRAP URL' above for details on accessing the published version and note that access may require a subscription. Flocculation is a common technique that is widely used in many industrial applications to promote solid-liquid separation processes. The addition of a polymeric flocculant allows for destabilization of suspended colloidal particles, and thus significantly increases their sedimentation rate. Polymeric flocculants are generally divided into four categories, which include non-ionic, cationic, anionic, and amphoteric polymers. This minireview article summarises important information on the recent design and synthesis of polymeric materials from these four categories. In addition, their properties and flocculation efficiency are also presented and discussed.

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The new effective flocculants – Copolymers of N,N-dimethyl-N,N-diallyl-ammonium chloride and N,N-dimethylacrylamide

Cited by 24 publications

References 32 publications

Addressing water scarcity: cationic polyelectrolytes in water treatment and purification

Addressing water scarcity: cationic polyelectrolytes in water treatment and purification

Copolymers of Diallyldimethylammonium Chloride and Vinyl Ether of Monoethanolamine: Synthesis, Flocculating, and Antimicrobial Properties

Synthesis, properties and performance of organic polymers employed in flocculation applications

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