Synthesis, characterization and flocculation efficiency of poly(acrylamide-co-acrylic acid) in tannery waste-water

被引：0
|
作者：
Jha, A. [1 ]
Agrawal, S. [1 ]
Mishra, A. [1 ]
Rai, J.P. [1 ]
机构：
[1] Department of Chemistry, Inst. of Engineering and Technology, Chhatrapati Shahu Ji Maharaj Univ., Kanpur 208024, India
来源：
Iranian Polymer Journal (English Edition) | 2001年 / 10卷 / 02期
关键词：
Differential scanning calorimetry - Flocculation - Nuclear magnetic resonance - pH effects - Synthesis (chemical) - Viscosity - Wastewater;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Synthesis, characterization, thermal behaviour and flocculation efficiency of poly(acrylamide-co-acrylic acid) prepared in aqueous medium are studied. The copolymers are prepared at moderate acidic/basic pH levels and characterized by IR, 13C NMR, elemental analysis and differential scanning calorimetry. The copolymers prepared in alkaline medium show higher Tg and intrinsic viscosity value than those prepared in acidic medium. Flocculation efficiency of these copolymers is studied in tannery waste-water. The copolymers prepared at pH 10.0 are found to be a better flocculant than those prepared at pH 4.0. The flocculation efficiency of these copolymers increases with the decrease in acrylic acid content in the copolymer.
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页码：85 / 90
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