Application of a Novel Cationic Polyacrylamide as
Application of a Novel Cationic Polyacrylamide as Flocculant in Treatment of Papermaking Wastewater Conference Paper 路 June 2010 with 14 Reads How we measure 'reads'
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Synthesis of a Novel Cationic Polyacrylamide and Its. 2011-08-01路 In the flocculation treatment of oilfield sewage, cationic polyacrylamide (CPAM), which was synthesized by the copolymerization of dimethyldiallylammonium chloride (DMDAAC), acrylamide(AM), and acrylic acid(AA), will react with the residue of oil displacement agent, causing the quick crimp of its linear-molecular-structure
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Synthesis, characterization and application of a novel
The novel flocculant, which was obtained through a simple synthesis process, is nontoxic, easily biodegradable and ultimately environmentally friendly. The grafting of cationic DMC onto starch backbone enhanced the cationic properties and increased molecular weight of the copolymer, and thus improved its flocculation ability and fields of
Get PriceSynthesis and Characterization of Cationic Polyacrylamide
Polyacrylamide is one flocculant for waste water treatment which have been used widely. In laboratory, we prepared a cationic polyacrylamide (CPAM) emulsion with acrylamide (AM) and
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A novel acrylamide-free flocculant and its application
A novel MA-based copolymer as cationic flocculant was reported for the first time. Given that the new flocculants have very close cost advantages compared with PAM, the flocculation performance was also evaluated by clay settling testing, which reveals comparable sedimentation rate to PAM based flocculants for the first time of non-AM chemistry.
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A novel non-starch based cationic polymer as flocculant
A novel non starch based cationic LBG polymer synthesized and characterized. 鈥?CLBG was found to be a better flocculant than its pristine form. 鈥?Using low dosage of CLBG high flocculation efficiency was achieved. 鈥?Due to its natural origin the biodegradability issues were minimized.
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Synthesis, characterization and application of a novel
Synthesis, characterization and application of a novel starch-based flocculant with high flocculation and dewatering properties. Author links open overlay panel Jian-Ping Wang a b Shi-Jie Yuan a Yi Wang b Han-Qing Yu a. Show more.
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Cationic starch-grafted-cationic polyacrylamide based
In this study, a novel, highly efficient and environmentally friendly ternary composites flocculant, namely, cationic starch-grafted-cationic polyacrylamide/graphene oxide (CS-g-CPAM/GO), was synthesized by ammonium persulfate initiation polymerization and condensation reaction.
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Application of a Novel Cationic Polyacrylamide as
Polyacrylamide is one of water treatment chemicals which have been used widely. In laboratory, we prepared a novel cationic polyacrylamide (CPAM) with acrylamide (AM) and acryloyloxyethyltrimethyl ammonium chloride through dispersion polymerization in aqueous solution of ammonium sulfate.
Get Price澶╂触绉戞妧澶у杞诲伐绉戝涓庡伐绋嬪闄?/a>
6锛?b>Application of a Novel Cationic Polyacrylamide as Flocculant in Treatment of Papermaking Wastewater, The 4th International Conference on Bioinformatics and Biomedical Engineering, 2010 7锛嶶ncertainty evaluation of key items measurement of corrugated packaging paper, IAPRI World Confernce on Packageing, 2010
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Preparation of cationic Polyacrylamide Flocculant and Its
A cationic polyacrylamide flocculant (CPAM) for the coal slurry wastewater, was firstly synthesized using acrylamide and cationic monomer ethylene methyl propenoyl trimethylammonium chloride (DMC). The structure of the synthesized CPAM was characterized by means of FT-IR measurement, and the effects of various factors on flocculation performance were studied.
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Flocculation of kaolin particles with cationic lignin
Among the cationic polyacrylamides that Ariffin and coworkers 42 studied in the flocculation of palm oil mill effluent, the flocculant with the molecular weight of 1.5 脳 10 6 g/mol was the most
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[15] WANG J P, YUAN S J, WANG Y, et al. Synthesis, characterization and application of a novel starch-based flocculant with high flocculation and dewatering properties[J]. Water Research, 2013, 47(8):2643-2648.
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Characterization of Cationic Polyacrylamide-Grafted Starch
Characterization of Cationic Polyacrylamide-Grafted Starch Flocculant Synthesized by One-Step Reaction Jianping Cao,1,2,3 Sheng Zhang,1,2,3 Baoli Han,2 Qingli Feng,1,3 Lan fang Guo2 1 Key Laboratory of Carbon Fiber and Functional Polymers
Get PriceSynthesis of High Molecular Weight Cationic Polyacrylamide
Cationic polyacrylamide is a derivative of polyacrylamide, a cationic polymer flocculant which has an excellent effect on sewage treatment. Our existing cationic polyacrylamide are mostly prepared by the Mannich reaction ,which has the shortcomings of more unreacted material, low cationic degree, poor stability, short validity, etc. Therefore, a cationic polyacrylamide has been prepared by
Get PricePreparation of Novel Amphoteric Flocculant and Its
Preparation of Novel Amphoteric Flocculant and Its Application in Oilfield Water Treatment showed that the results of oilfield waste water treatment by amphoteric S-g-PAM were better than those treated with cationic polyacrylamide (PAM), hydrolytic PAM and amphoteric PAM. File Size : 281 KB:
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Novel, rosin鈥恇ased, hydrophobically modified cationic
A novel, hydrophobically modified cationic polyacrylamide (HMPAM) was synthesized via the copolymerization of acrylamide, diallyl dimethyl ammonium chloride (DMDAAC), and diallylmethyl dehydroabietic acid propyl ester ammonium bromide. The most critical issue of flocculation is the choice of a suitable flocculant for promoting the
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Flocculation of kaolin particles with cationic lignin
Among the cationic polyacrylamides that Ariffin and coworkers 42 studied in the flocculation of palm oil mill effluent, the flocculant with the molecular weight of 1.5 脳 10 6 g/mol was the most
Get PriceCationic Polyacrylamide | Scientific.Net
The paper reviews that the preparation and application of special flocculant of specialized flocculants for tailings water treatment. And it points out the development tendency of the specialized flocculants for tailings water treatment. Cationic polyacrylamide as one of dewatering agents is a suitable mean to solve tailings dewatering problem.
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Synthesis and characterization of starch-based cationic
The resultant cationic starch flocculants and cationic polyacrylamide (CPAM), a commercial flocculant, were tested in harvesting experiments involving live algae grown in fresh water or animal manure. The harvest efficiency was affected by DS of the cationic starch, flocculant dosage, pH, and flocculation time.
Get PriceSynthesis of High Molecular Weight Cationic Polyacrylamide
Cationic polyacrylamide is a derivative of polyacrylamide, a cationic polymer flocculant which has an excellent effect on sewage treatment. Our existing cationic polyacrylamide are mostly prepared by the Mannich reaction ,which has the shortcomings of more unreacted material, low cationic degree, poor stability, short validity, etc. Therefore, a cationic polyacrylamide has been prepared by
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Preparation of Novel Amphoteric Flocculant and Its
Preparation of Novel Amphoteric Flocculant and Its Application in Oilfield Water Treatment The application test showed that the results of oilfield waste water treatment by amphoteric S-g-PAM were better than those treated with cationic polyacrylamide (PAM), hydrolytic PAM and amphoteric PAM. File Size : 281 KB:
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An Effective Flocculation Method to the Kaolin Wastewater
Free Online Library: An Effective Flocculation Method to the Kaolin Wastewater Treatment by a Cationic Polyacrylamide (CPAM): Preparation, Characterization, and Flocculation Performance.(Research Article) by "International Journal of Polymer Science"; Engineering and manufacturing Ammonium compounds Ammonium paratungstate Ammonium salts Clay Copolymers Polyethylene terephthalate Polymerization
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Synthesis of a novel magnetic polyacrylamide coagulant
In this study, a novel magnetic polyacrylamide (PAM) coagulant based on the core of magnetite (Fe 3 O 4), with oleic acid serving as modifier and acrylamide as monomer, was synthesized to remove suspended solids in kaolin-suspended water.The composites were characterized by Fourier transform infrared spectroscopy, X-ray diffraction, thermo gravimetric analysis and scanning electron microscopy.
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Application of PAC and flocculants for improving settling
The settling of solid particles in wastewater was investigated by turbidity decrease within 60 min. The particle settling was enhanced by adding polyaluminum chloride (PAC) as coagulant and hydrolyzed polyacryamide (HPAM) or cationic polyacrylamide (CPAM) as flocculant.
Get PriceNovel, rosin鈥恇ased, hydrophobically modified cationic
A novel, hydrophobically modified cationic polyacrylamide (HMPAM) was synthesized via the copolymerization of acrylamide, diallyl dimethyl ammonium chloride (DMDAAC), and diallylmethyl dehydroabietic acid propyl ester ammonium bromide. The most critical issue of flocculation is the choice of a suitable flocculant for promoting the
Get PriceSynthesis and evaluation of a novel cationic konjac
A novel cationic flocculant of konjac glucomannan-graft-poly-(2-methacryloyloxyethyl)trimethyl ammonium chloride (KGM-g-PDMC), was successfully synthesized by using acidic ammonium cerium (IV) nitrate (CAN) as initiator in homogeneous aqueous solution.
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Enhancement of textile-dyeing sludge dewaterability using
Enhancement of textile-dyeing sludge dewaterability using a novel cationic polyacrylamide: role of cationic block structures鈥? Li Feng abc, Huaili Zheng * abc, Baoyu Gao d, Chuanliang Zhao abc, Shixin Zhang abc and Nan Chen abc a Key Laboratory of the Three Gorges Reservoir Region's Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China.
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Synthesis and characterization of cyclodextrin-based
Synthesis and characterization of cyclodextrin-based acrylamide polymer flocculant for adsorbing water-soluble dyes in dye wastewater Abstract Fourier transform infrared spectroscopy, X-ray diffraction, scanning electron microscope and thermogravimetric (TG) measurements results demonstrated that the AM-尾-CD-DMDAAC was successfully synthesized.
Get PriceCN1331770C - Flocculant of cation of millicron SiOx
The present invention relates to a nano-composite SiOx cationic polyacrylamide flocculant and preparation method; flocculant is a coupling agent for surface modification of nano-SiOx, SiOx modified nano-dispersed in an aqueous solution containing
Get PriceSynthesis of High Molecular Weight Cationic Polyacrylamide
Cationic polyacrylamide is a derivative of polyacrylamide, a cationic polymer flocculant which has an excellent effect on sewage treatment. Our existing cationic polyacrylamide are mostly prepared by the Mannich reaction ,which has the shortcomings of more unreacted material, low cationic degree, poor stability, short validity, etc. Therefore, a cationic polyacrylamide has been prepared by
Get PriceSynthesis and characterization of starch-based cationic
The resultant cationic starch flocculants and cationic polyacrylamide (CPAM), a commercial flocculant, were tested in harvesting experiments involving live algae grown in fresh water or animal manure. The harvest efficiency was affected by DS of the cationic starch, flocculant dosage, pH, and flocculation time.
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