Effect of Iron Ions on Removal of 2,4-Dichlorophenols by Laccase in Wastewater

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Effect of Iron Ions on Removal of 2,4-Dichlorophenols by Laccase in Wastewater

CHEN Song¹, ZHANG Jianbo^{1, 4}, CHEN Hui¹, YANG Yuxiang^{2, 3}

¹Department of Environmental Science, College of Environmental Science, Peking University, Beijing 100871; ²College of Chemistry and Pharmaceutics, East China University of Science and Technology, Shanghai, 200237; ³The State key laboratory of Coordination Chemistry, Nanjing University, Nanjing, 210093; ⁴Corresponding Author, E-mail: jbzhang@pku.edu.cn

Received:2005-07-06 Online:2006-07-20 Published:2006-07-20

废水中铁离子对漆酶催化降解2,4-二氯苯酚的影响

陈嵩¹,张剑波^1,4,陈辉¹,杨宇翔^2,3

¹北京大学环境学院环境科学系，北京，100871；²华东理工大学化学与制药学院，上海，200237；³南京大学配位化学国家重点实验室，南京，2100935；⁴通讯联系人，E-mail：jbzhang@pku.edu.cn

Abstract

Abstract: The effect of iron ions on degradation of 2,4-dichlorophenols by Laccase in wastewater was studied. The results indicated that the Fe²⁺ and Fe³⁺ inhibited the reaction catalyzed by the free enzyme, but the effect on the immobilized laccase was less than on that free enzyme. It showed that the stability of laccase had been improved after immobilization due to protection of carrier.

Key words: immobilized laccase, catalytic degradation, chlorophenol, inhibit

摘要： 探讨了水中铁离子对固定化漆酶和自由漆酶催化去除水中2,4-二氯苯酚反应的影响。结果表明，Fe²⁺和Fe³⁺离子对于自由漆酶催化去除2,4-二氯苯酚的反应均表现出一定程度的抑制作用，但对固定化漆酶降解2,4-二氯苯酚的影响要小，表明经过固定化之后，由于受到固定化载体的保护作用，酶的稳定性明显增加。

关键词: 固定化漆酶, 自由漆酶, 催化氧化, 抑制

CLC Number:

X506

CHEN Song,ZHANG Jianbo,CHEN Hui,YANG Yuxiang. Effect of Iron Ions on Removal of 2,4-Dichlorophenols by Laccase in Wastewater[J]. Acta Scientiarum Naturalium Universitatis Pekinensis.

陈嵩,张剑波,陈辉,杨宇翔. 废水中铁离子对漆酶催化降解2,4-二氯苯酚的影响[J]. 北京大学学报（自然科学版）.

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https://xbna.pku.edu.cn/EN/Y2006/V42/I4/490

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Effect of Iron Ions on Removal of 2,4-Dichlorophenols by Laccase in Wastewater

废水中铁离子对漆酶催化降解2,4-二氯苯酚的影响

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