不溶性淀粉黄原酸盐对Cu2+和Zn2+的吸附

金属矿山 ›› 2010, Vol. 39 ›› Issue (04): 167-171.

不溶性淀粉黄原酸盐对Cu²⁺和Zn²⁺的吸附

王磊,夏璐,鲁栋梁,金帅|,李佳允

广西民族大学

出版日期:2010-04-15 发布日期:2010-11-09
基金资助:
广西自然科学基金重点项目（编号：2010GXNSFD013016），广西高校优秀人才资助计划项目（编号：桂教人［2007］70号），广西林产化学品开发与应用重点实验室主任基金项目。

Research on Adsorption of Cu ²⁺ and Zn²⁺ with Insoluble Starch Xanthogenate

WANG Lei, XIA Lu, LU Dong-Liang, , LI Jia-Yun

Guangxi University for Nationalities

Online:2010-04-15 Published:2010-11-09

摘要/Abstract

摘要： 以淀粉为原料、环氧氯丙烷为交联剂，通过与丙烯腈接枝共聚，制备了不溶性淀粉黄原酸盐（ISX）。将ISX用于吸附模拟废水中的Cu ²⁺或Zn²⁺离子，通过试验得出了吸附的适宜条件。对试验结果的分析表明：Cu ²⁺和Zn²⁺在ISX上的等温吸附过程较适合用Langmuir 等温式描述，动力学行为较适合用准二级动力学方程描述；吸附属自发的物理吸附。

关键词: 不溶性淀粉黄原酸盐, Cu²⁺离子, Zn²⁺离子, 吸附等温线, 吸附动力学

Abstract: The insoluble starch xanthogenate (ISX) has been synthesized by starch with epichlorohydrin as cross-linking agent and graft-copolymerized with acrylonitrileThe adsorption of Cu ²⁺ and Zn²⁺ from simulated wastewater with ISX were investigatedThe optimum adsorption conditions of ISX for Cu ²⁺ and Zn²⁺ were determinedThe tests result showed that the adsorption of Cu ²⁺ and Zn²⁺ with ISX could be attributed to Langmiur isotherms type,and the adsorption kinetic was adapted to the second-order reactionMeanwhile,this adsorption belongs to the spontaneous physical absorption

Key words: Insoluble starch xanthogenate（ISX）, Cu²⁺, Zn ²⁺, Adsorption isotherms, Adsorption kinetics

王磊, 夏璐, 鲁栋梁, 金帅, 李佳允. 不溶性淀粉黄原酸盐对Cu²⁺和Zn²⁺的吸附[J]. 金属矿山, 2010, 39(04): 167-171.

WANG Lei, XIA Lu, LU Dong-Liang, , LI Jia-Yun. Research on Adsorption of Cu ²⁺ and Zn²⁺ with Insoluble Starch Xanthogenate[J]. Metal Mine, 2010, 39(04): 167-171.

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不溶性淀粉黄原酸盐对Cu²⁺和Zn²⁺的吸附

Research on Adsorption of Cu ²⁺ and Zn²⁺ with Insoluble Starch Xanthogenate

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