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author:

Yao, Yuan (Yao, Yuan.) [1] | Fang, Run (Fang, Run.) [2] | Cheng, Xiansu (Cheng, Xiansu.) [3] (Scholars:程贤甦)

Indexed by:

EI Scopus

Abstract:

A novel condensation polymer starch-base cationic polyelectrolyte (S-FAD) was synthesized by grafting a copolymer of formaldehyde, acetone and dimethylamine (FAD) onto cassava starch. S-FAD samples were characterized by FT-IR, XRD and elementary analysis. The optimum synthesis condition was determined by investigating the cationicity and the color removal performance of the cationic starch. Their performance as a cationic flocculant in removing three anionic azo-dyes from simulated dye wastewater was evaluated. Results showed that the optimum conditions were as follows: reaction temperature 65 °C, the mole ratio of formaldehyde to dimethylamine and acetone to dimethylamine were 4 and 1.2 respectively, the dose of starch was 5 g. Under this condition, the cationicity of the product can reach 3.40 mmol/g. The coagulation-flocculation properties were excellent under acidic and neutral conditions and the decolorizing rates were above 98% © 2011 IEEE.

Keyword:

Acetone Azo dyes Coagulation Dyes Flocculation Formaldehyde Ostwald ripening Plants (botany) Polyelectrolytes Remote sensing Starch

Community:

  • [ 1 ] [Yao, Yuan]College of Material Science and Engineering, Fuzhou University, Fuzhou, China
  • [ 2 ] [Fang, Run]Department of Chemistry and Chemical Engineering, Minjiang University, Fuzhou, China
  • [ 3 ] [Cheng, Xiansu]College of Material Science and Engineering, Fuzhou University, Fuzhou, China

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Year: 2011

Page: 8604-8606

Language: English

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 1

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 3

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