Flocculation characteristics of polyacrylamide grafted hydroxypropyl methyl cellulose: An efficient biodegradable flocculant

被引：85

作者：

Das, Raghunath ^{[1
]}

Ghorai, Soumitra ^{[1
]}

Pal, Sagar ^{[1
]}

机构：

[1] Indian Sch Mines, Dept Appl Chem, Polymer Chem Lab, Dhanbad 826004, Bihar, India

来源：

CHEMICAL ENGINEERING JOURNAL | 2013年 / 229卷

关键词：

Flocculation; Graft copolymer; HPMC; Kinetics; POLYMERIC FLOCCULANTS; SODIUM ALGINATE; ACID; CHITOSAN; AMYLOPECTIN; ADSORPTION; SUSPENSION; POLYSACCHARIDES; PERFORMANCE; MECHANISMS;

D O I：

10.1016/j.cej.2013.05.104

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Herein, the development and application of a high performance polymeric flocculant based on hydroxypropyl methyl cellulose grafted with polyacrylamide (HPMC-g-PAM) is reported. The flocculation characteristics were evaluated in two different synthetic effluents, namely kaolin and iron-ore suspensions using floc size measurement as well as traditional turbidity and settling velocity measurement. The flocculation kinetics demonstrate that it is in good agreement with both aggregation of particle and particle collision models. Moreover, raw mine wastewater was used for further investigation of the flocculation properties of HPMC-g-PAM. Above all, the flocculation experiments suggest that the HPMC-g-PAM based flocculants show better flocculation efficacy in compared to the base polysaccharide. (C) 2013 Elsevier B.V. All rights reserved.

引用

页码：144 / 152

页数：9

共 50 条

[11] Studies on the effect of flocculant adsorption on the dewatering of iron ore tailings [J].

Dash, M. ;

Dwari, R. K. ;

Biswal, S. K. ;

Reddy, P. S. R. ;

Chattopadhyay, P. ;

Mishra, B. K. .

CHEMICAL ENGINEERING JOURNAL, 2011, 173 (02) :318-325

[12] A study of dual polymer flocculation [J].

Fan, AX ;

Turro, NJ ;

Somasundaran, P .

COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS, 2000, 162 (1-3) :141-148

[13] Enhanced solid-liquid separation of dairy manure with natural flocculants [J].

Garcia, M. C. ;

Szogi, A. A. ;

Vanotti, M. B. ;

Chastain, J. P. ;

Millner, P. D. .

BIORESOURCE TECHNOLOGY, 2009, 100 (22) :5417-5423

[14]

Greenberg A., 1999, STANDARD METHOD EXAM

[15]

Gregory J., 2006, Particles in Water: Properties and Processes

[16]

LAMER VK, 1963, REV PURE APPL CHEM, V13, P112

[17] Preparation of Strong Cationic Chitosan-graft-Polyacrylamide Flocculants and Their Flocculating Properties [J].

Lu, Yaobo ;

Shang, Yabo ;

Huang, Xin ;

Chen, Aimin ;

Yang, Zhen ;

Jiang, Yuxiang ;

Cai, Jun ;

Gu, Wei ;

Qian, Xiaozhi ;

Yang, Hu ;

Cheng, Rongshi .

INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 2011, 50 (12) :7141-7149

[18] Water and sanitation in developing countries: Including health in the equation [J].

Montgomery, Maggie A. ;

Elimelech, Menachem .

ENVIRONMENTAL SCIENCE & TECHNOLOGY, 2007, 41 (01) :17-24

[19] Temperature influence of nonionic polyethylene oxide and anionic polyacrylamide on flocculation and dewatering behavior of kaolinite dispersions [J].

Mpofu, P ;

Addai-Mensah, J ;

Ralston, J .

JOURNAL OF COLLOID AND INTERFACE SCIENCE, 2004, 271 (01) :145-156

[20] Introducing different poly (vinyl alcohol)s as new flocculant for kaolinated waste water [J].

Nasim, Tanbir ;

Bandyopadhyay, Abhijit .

SEPARATION AND PURIFICATION TECHNOLOGY, 2012, 88 :87-94

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