Remove of Heavy Metals(Cu2+, Pb2+, Zn2+ and Cd2+) in Water Through Modified Diatomite

doi:10.1007/s40242-013-2504-1

高等学校化学研究 ›› 2013, Vol. 29 ›› Issue (3): 445-448.doi: 10.1007/s40242-013-2504-1

Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite

LIU Jia, WANG Hong-liang, LÜ Chun-xin, LIU Han-fei, GUO Zhi-xin, KANG Chun-li

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130012, P. R. China

收稿日期:2012-12-14 修回日期:2013-02-26 出版日期:2013-06-01 发布日期:2013-05-15
通讯作者: KANG Chun-li, E-mail: kangcl@jlu.edu.cn E-mail:kangcl@jlu.edu.cn
基金资助:
Supported by the Scientific Research Project Fund of Environmental Protection Bureau of Jilin Province, China(No.2007-13).

Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite

LIU Jia, WANG Hong-liang, LÜ Chun-xin, LIU Han-fei, GUO Zhi-xin, KANG Chun-li

Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130012, P. R. China

Received:2012-12-14 Revised:2013-02-26 Online:2013-06-01 Published:2013-05-15
Supported by:
Supported by the Scientific Research Project Fund of Environmental Protection Bureau of Jilin Province, China(No.2007-13).

摘要/Abstract

摘要：

At present, heavy metal pollution has become a major environmental problem, influencing the survival of human and other creatures. Developing heavy metal ion adsorbents, which are environment friendly, of low cost and good performance is one of the effective means to solve heavy metal pollution. Rich low-grade diatomite mineral, as raw material, was modified with calcium carbonate to improve the adsorption properties of diatomite for heavy metal ions. The effects of dosage(m), pH, adsorbing time(t), temperature(T) and concentration of adsorbent(c) on the removal rate of heavy metal ions(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) were studied. The results show that under the suitable conditions, T=15 ℃, c=1.5 mmol/L, m=10 g/L, t=60 min, in a weak acid environment, the removal effect of the four kinds of metal ions by modified diatomite is the best.

关键词: Diatomite, Heavy metal, Modification, Adsorption

Abstract:

Key words: Diatomite, Heavy metal, Modification, Adsorption

LIU Jia, WANG Hong-liang, LÜ Chun-xin, LIU Han-fei, GUO Zhi-xin, KANG Chun-li. Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite[J]. 高等学校化学研究, 2013, 29(3): 445-448.

LIU Jia, WANG Hong-liang, LÜ Chun-xin, LIU Han-fei, GUO Zhi-xin, KANG Chun-li. Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite[J]. Chemical Research in Chinese Universities, 2013, 29(3): 445-448.

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Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite

Remove of Heavy Metals(Cu²⁺, Pb²⁺, Zn²⁺ and Cd²⁺) in Water Through Modified Diatomite

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