Synthesis 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
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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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
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
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.
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.
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.
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.
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
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
Synthesis 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
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:
