[1]刘淑坡,王黛瑶,王梦云,等.碱催化过氧化氢氧化法对偶氮染料酸橙7的降解性能[J].华侨大学学报(自然科学版),2019,40(2):201-208.[doi:10.11830/ISSN.1000-5013.201809013]
　LIU Shupo,WANG Daiyao,WANG Mengyun,et al.Effective Degradation of Acid Orange 7 by Alkali-Catalyzed Hydrogen Peroxide[J].Journal of Huaqiao University(Natural Science),2019,40(2):201-208.[doi:10.11830/ISSN.1000-5013.201809013]
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碱催化过氧化氢氧化法对偶氮染料酸橙7的降解性能()
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《华侨大学学报（自然科学版）》[ISSN:1000-5013/CN:35-1079/N]

卷:
第40卷
期数:
2019年第2期
页码:
201-208
栏目:
出版日期:
2019-03-20

文章信息/Info

Title:
Effective Degradation of Acid Orange 7 by Alkali-Catalyzed Hydrogen Peroxide
文章编号:
1000-5013(2019)02-0201-08
作者:
刘淑坡1;  王黛瑶1;  王梦云1;  邹景1;  杨志敏2;  周真明1
1. 华侨大学 土木工程学院, 福建 厦门 361021;2. 华侨大学 分析测试中心, 福建 厦门 361021
Author(s):
LIU Shupo1;  WANG Daiyao1;  WANG Mengyun1;  ZOU Jing1;  YANG Zhimin2;  ZHOU Zhenming1
1. College of Civil Engineering, Huaqiao University, Xiamen 361021, China; 2. Center of Forecasting and Analysis, Huaqiao University, Xiamen 361021, China
关键词:
过氧化氢;  酸橙7;  超氧自由基;  碱催化
Keywords:
hydrogen peroxide;  acid orange 7;  superoxide radical;  alkali-catalyzed
分类号:
TU992
DOI:
10.11830/ISSN.1000-5013.201809013
文献标志码:
A
摘要:
针对过氧化氢溶液在碱性条件下降解有机污染物的反应,选择偶氮染料酸橙7(AO7)作为目标污染物,研究各种反应参数对AO7降解的影响;同时,利用抗坏血酸、叔丁醇、糠醇、氯化硝基四氮唑蓝4种不同自由基猝灭剂鉴定染料在降解过程中的主要活性物质.实验结果表明:碱催化过氧化氢的高级氧化体系可有效地降解水中典型偶氮染料AO7,最适pH值为11,且随着过氧化氢浓度的增加和反应温度的上升,AO7的降解速率随之显著升高;超氧自由基是降解AO7的主要活性物质.
Abstract:
Aiming at the reaction of degrading organic pollutants by alkali-catalyzed hydrogen peroxide(H2O2), the influence of various parameters on AO7 degradation by alkali-activated H2O2 was evaluated by choosing azo dye of acid orange 7(AO7)as the target organic pollutant. Furthermore, radical scavengers, including ascorbic acid, t-butanol, furfuryl alcohol and nitro blue tetrazolium, were tested to identify the active species involved in the dye degradation. Experimental results show that the process of alkali-catalyzed H2O2 is effective for degrading the typical azo dye of AO7 in aqueous solution. The optimum pH value for degrading AO7 is 11. Moreover, the degradation of AO7 is accelerated significantly with the increasing of H2O2 concentration and reaction temperature. The major reactive oxidant for degrading AO7 by alkali-catalyzed H2O2 is confirmed as O2·-.

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备注/Memo

备注/Memo:
收稿日期: 2018-04-15
通信作者: 邹景(1986-),男,讲师,博士,主要从事高级氧化水处理新技术与理论的研究.E-mail:zoujing@hqu.edu.cn.
基金项目: 福建省自然科学基金青年创新资助项目(14185013); 福建省泉州市科技计划资助项目(2018Z005); 华侨大学科研基金资助项目(16BS705)
更新日期/Last Update: 2019-03-20