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浙江大学学报（理学版）
浙江大学学报（理学版）  2016, Vol. 43 Issue (6): 733-739    DOI: 10.3785/j.issn.1008-9497.2016.06.019
化学     
Salen双核Cu2+配合物的合成及催化染料降解
江银枝, 程本能, 孙红英, 时永强
浙江理工大学 化学系, 浙江 杭州 310018
The binuclear Cu2+ complex with salen schiff base: Synthesis and catalytic properties in dye degradation
JIANG Yinzhi, CHENG Benneng, SUN Hongying, SHI Yongqiang
Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, China
 全文: PDF(984 KB)  
摘要： 以水杨醛、N，N'-二胺丙基乙二胺和CuCl2为原料得到了双核配合物Cu2ClL·6H2O，并进行了表征.利用UV-Vis研究了Cu2ClL·6H2O催化甲基橙和酸性蓝9的降解性能，利用GraphPad Prism 5软件绘制了染料降解的V-S曲线，利用HPLC研究了染料的降解产物.结果发现：（1）Cu2ClL·6H2O能有效催化甲基橙和酸性蓝9的氧化降解，10 h后酸性蓝9和甲基橙的降解率分别达到90%与60%；（2）染料的降解动力学符合酶促动力学过程，V-S曲线符合米氏动力学方程，Cu2ClL·6H2O催化甲基橙和酸性蓝9降解米氏常数Km分别为3.29×10-2 和1.93×10-1 mmol·L-1；（3）降解产物有马来酸，并给出了催化剂的催化机理和染料的降解机理.说明Cu2ClL·6H2O可以作为仿酶催化剂，与底物甲基橙和酸性蓝9有较好的结合效果.这为设计作用底物广、效果好的仿酶催化剂提供了理论基础，为染料降解新方法和新技术的开发提供了实践依据.
关键词： 合成;  配合物;  染料降解;  仿生催化;  废水    
Abstract: The complex, Cu2ClL·6H2O was prepared from salicylaldehyde N,N'-bis-aminopropyl-1, 2-ethanediamine and CuCl2. Its structure and composition were examined by IR spectra and elemental analysis, respectively. Then, its catalytic properties were investigated via degradation of methyl orange and acid blue 9 that were detected by UV-Vis spectra, and their V-S curves were drawn by GraphPad Prism 5 software. The degraded products of these two dyes with the presence of complex as mimetic enzyme were determined by HPLC method. The results show that the degradation rates of acid blue 9 and methyl orange are 90% and 60% after 10 h, respectively, which indicates that the catalytic activity in the degradation of acid blue 9 is better than in methyl orange degradation. It is found that the experimental V-S curve fits Michaelis-Menten equation well, and Km values are 1.93×10-1 and 3.29×10-2 mmol·L-1 for the degradation of acid blue 9 and methyl orange, respectively, implying that the complex could be used as bio-mimetic catalyst in dye degradation. Maleic acid as the degraded product was checked. Moreover, the catalytic mechanism of the complex for degradation of acid blue 9 was deduced. All these provide theoretical and experimental supports for a new dye removal technology and novel bio-mimetic catalyst design in dye degradation.
Key words: synthesis    complex    dye degradation    bio-mimetic catalysis    waste water
收稿日期: 2015-10-20 出版日期: 2017-03-07
CLC:  O614.12  
基金资助: 浙江省自然科学基金资助项目(LY13B010004,LY14B010005)；国家自然科学基金资助项目(21472174).
作者简介: 江银枝(1973-),ORCID:http://orcid.org/0000-0003-2393-9654,女,博士,副教授,主要从事配位化学和分析化学研究,E-mail:jiangyinzhi@zstu.edu.cn.
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引用本文:

江银枝, 程本能, 孙红英, 时永强. Salen双核Cu2+配合物的合成及催化染料降解[J]. 浙江大学学报（理学版）, 2016, 43(6): 733-739.

JIANG Yinzhi, CHENG Benneng, SUN Hongying, SHI Yongqiang. The binuclear Cu2+ complex with salen schiff base: Synthesis and catalytic properties in dye degradation. Journal of ZheJIang University(Science Edition), 2016, 43(6): 733-739.

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https://www.zjujournals.com/sci/CN/10.3785/j.issn.1008-9497.2016.06.019    或    https://www.zjujournals.com/sci/CN/Y2016/V43/I6/733

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