| 固定化微生物吸附水中Cu~(2+)的实验研究 |
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| 引用本文： | 林小冬,杨林,王迪.固定化微生物吸附水中Cu~(2+)的实验研究[J].大连轻工业学院学报,2008,27(3):238-240. |
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| 作者姓名： | 林小冬 杨林 王迪 |
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| 作者单位： | [1]大连工业大学化工与材料学院,辽宁大连116034 [2]大连工业大学机械工程与自动化学院,辽宁大连116034 [3]大连理工大学化工学院,辽宁大连116024 |
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| 基金项目： | 国家高技术研究发展计划(“863”计划)资助项目(2003AA601050) |
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| 摘 要： | 以甲壳素为固定化载体，采用吸附固定化法固定微生物吸附水中Cu^2＋，研究了吸附条件及离子共存对吸附效果的影响。结果表明，在低浓度下，固定化微生物对Cu^2＋吸附量随Cu^2＋质量浓度增大而线性增大，最大吸附量为62．31mg／g；吸附过程十分迅速；pH对吸附效果影响巨大，pH=6时吸附效果最佳；温度对吸附效果影响不大；Zn^2＋对Cu^2＋存在竞争作用，导致Cu^2＋吸附量降低。
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| 关 键 词： | 固定化 甲壳素 铜离子 |
Adsorption of copper irons by the immobilized microorganism |
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| LIN Xiao-dong,YANG Lin,WANG Di.School of Chemistry Engineering & Material,Dalian Polytechnic University,Dalian ,China,.School of Mechanical Engineering & Automation,.School of of Chemical Engineering,Dalian University of Technology,Dalian.Adsorption of copper irons by the immobilized microorganism[J].Journal of Dalian Institute of Light Industry,2008,27(3):238-240. |
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| Authors: | LIN Xiao-dong YANG Lin WANG DiSchool of Chemistry Engineering & Material Dalian Polytechnic University Dalian China School of Mechanical Engineering & Automation School of of Chemical Engineering Dalian University of Technology Dalian |
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| Affiliation: | LIN Xiao-dong1,YANG Lin2,WANG Di31.School of Chemistry Engineering & Material,Dalian Polytechnic University,Dalian 116034,China,2.School of Mechanical Engineering & Automation,3.School of of Chemical Engineering,Dalian University of Technology,Dalian 116024 |
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| Abstract: | The microorganism was immobilized by chitin for studying its adsorption of Cu2+,and the effect of conduction and coexisted heavy metal on adsorption was studied.The results demonstrated that the adsorptive capacity went up with the Cu2+ concentration growing.The most adsorption capacity was 62.31 mg/g,the process went fast.The pH was the key factor but the temperature was not.There was competition exist when Zn2+ was coexisted,which reduced the adsorptive capacity of Cu2+. |
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| Keywords: | immobilized chitin copper irons |
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