光谱学与光谱分析
非均相类Fenton反应催化氧化脱色降解直接桃红12B
郑怀礼，谢礼国，胡 鹏，焦世珺，胡学斌，刘 澜，吴幼权
重庆大学三峡库区生态环境教育部重点实验室, 重庆 400045
Decoloration and Degradation of Direct Pink 12B by Microwave-Promoted Heterogeneous Fenton-Like Reaction
ZHENG Huai-li, XIE Li-guo, HU Peng, JIAO Shi-jun, HU Xue-bin, LIU Lan, WU You-quan
Key Laboratory of the Three Gorges Reservoir Regions Eco-Environment, Ministry of Education, Chongqing University, Chongqing 400045, China
摘要 ： 研究了以Fe-Ni-Mn/Al2 O3 为催化剂(FA催化剂)，用微波促进非均相类Fenton反应催化氧化脱色降解有机染料直接桃红12B及相关机理。内容包括直接桃红12B溶液的浓度-吸光度工作曲线，初始pH值、H2 O2 用量、FA催化剂用量对脱色降解直接桃红12B的影响，微波单独脱色处理直接桃红12B、微波+ FA催化剂脱色处理直接桃红12B、微波+H2 O2 脱色处理直接桃红12B、微波-FA催化剂-H2 O2 体系脱色处理直接桃红12B、阳光-FA催化剂-H2 O2 体系脱色处理直接桃红12B等对照试验研究。在优化条件下，比较了采用光助非均相类Fenton与微波促进非均相类Fenton反应的脱色效率，并探讨了微波促进非均相类Fenton反应的机理。研究表明微波可以明显加快非均相类Fenton法催化氧化脱色降解直接桃红12B溶液的过程。论文所用表征方法均为紫外-可见光谱法。
关键词 ：非均相类Fenton反应;紫外-可见光谱法;直接桃红12B;脱色;微波
Abstract ：Microwave-promoted heterogeneous Fenton-like reaction, the combination of Fenton-like reagent with microwave, is an efficient method for waste water treatment. In the present paper, the degradation of direct pink 12B (a kind of organic dye) was studied using this method was studied. Through numerous experiments, the influences of various parameters including the initial pH value, dosage of Fe-Ni-Mn/Al2 O3 ,dosage of H2 O2 and microwave were investigated intensively. The characteristic curve of direct pink12B, the concentration-absorbency curve of direct pink12B, the orthogonal optimization tests and comparative tests were given. In this paper, the mechanisms of this reaction were also been probed. It is concluded from the experiments that the microwave can accelerate the process of degradation effectively. Under optimal conditions, the overall color removal was more than 99.0% within 10 min. In the study, all the characterization was carried out using UV-Vis spectral-analysis.
Key words ：Heterogeneous fenton-like reaction;UV-Vis spectral-analysis;Direct pink12B;Degradation;Microwave
收稿日期: 2009-09-06
修订日期: 2009-12-12
通讯作者:
郑怀礼
E-mail: ZHL6512@126.com
引用本文:
郑怀礼，谢礼国，胡 鹏，焦世珺，胡学斌，刘 澜，吴幼权 . 非均相类Fenton反应催化氧化脱色降解直接桃红12B [J]. 光谱学与光谱分析, 2010, 30(06): 1647-1651.
链接本文:
https://www.gpxygpfx.com/CN/10.3964/j.issn.1000-0593(2010)06-1647-05
或
https://www.gpxygpfx.com/CN/Y2010/V30/I06/1647
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