The use of wood pulp and radiation-modified starch in wastewater treatment

被引：39
|
作者：
Abdel-Aal, SE [1 ]
Gad, YH [1 ]
Dessouki, AM [1 ]
机构：
[1] Natl Ctr Radiat Res & Technol, Cairo, Egypt
来源：
JOURNAL OF APPLIED POLYMER SCIENCE | 2006年 / 99卷 / 05期
关键词：
radiation; grafting; wood pulp; wastewater treatment; metals; starch; acrylic acid;
D O I：
10.1002/app.22801
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Radiation-induced graft copolymerization of maize starch/acrylic acid has been performed. Also, natural byproduct wood pulp was used after chemical treatment for the removal of metal ions from the investigated wastewater. The surface and structure morphology of the wood pulp and starch/acrylic acid were investigated by scanning electron microscopy and infrared spectroscopy. The physical parameters, such as swelling, gel percentage, and grafting efficiency (%) of starch/acrylic acid copolymer, were studied. The factors affecting the abilities of the prepared materials for removing heavy metal ions and dyes from aqueous solutions were studied. It was found that the maximum metal uptake is in the following sequence: Fe3+ > Cr3+ > Ph2+ > Cd2+. The adsorption capacity of such investigated metal ions increases with the increase of pH values. (c) 2005 Wiley Periodicals, Inc.
引用
收藏
页码：2460 / 2469
页数：10
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