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占昌朝, 钟明强, 陈枫, 杨晋涛, 韩晓春, 宋建萍. 微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水[J]. 环境工程学报, 2013, 7(11): 4300-4306.
引用本文: 占昌朝, 钟明强, 陈枫, 杨晋涛, 韩晓春, 宋建萍. 微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水[J]. 环境工程学报, 2013, 7(11): 4300-4306.
shu
Zhan Changchao, Zhong Mingqiang, Chen Feng, Yang Jintao, Han Xiaochun, Song Jianping. Microwave included catalytic oxidation process for treatment of methyl violet wastewater with flake graphite and hydrogen peroxide[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4300-4306.
Citation: Zhan Changchao, Zhong Mingqiang, Chen Feng, Yang Jintao, Han Xiaochun, Song Jianping. Microwave included catalytic oxidation process for treatment of methyl violet wastewater with flake graphite and hydrogen peroxide[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4300-4306.
shu

微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水

  • 1.

    浙江工业大学化学工程与材料学院, 杭州 310014

  • 2.

    九江学院化学与环境工程学院, 九江 332005

  • 基金项目:

    国家自然科学基金资助项目(21274131,51203139,51273178,21161009)

    江西省自然科学基金项目(20132BAB203023,20132BAB203004)

    江西省教育厅科技基金项目(GJJ13723)

    浙江省重中之重学科开放基金项目(20121137)

  • 中图分类号: X788

Microwave included catalytic oxidation process for treatment of methyl violet wastewater with flake graphite and hydrogen peroxide

  • 1.

    College of Chemical Engineering and Materials, Zhejiang University of Technology, Hangzhou 310014, China

  • 2.

    College of Chemistry and Environmental Engineering, Jiujiang University, Jiujiang 332005, China

  • Fund Project:

  • 摘要: 研究微波诱导鳞片石墨-H2O 2催化氧化处理甲基紫废水工艺,探讨各种因素的协同作用及对废水脱色效果的影响,并采用SEM、EDX、XRD和FTIR对新鲜及使用6次后的鳞片石墨进行表征。结果表明,微波诱导鳞片石墨-H2O2能高效快速降解废水中的甲基紫;在50 mL初始pH为3,质量浓度为10 mg/L的甲基紫废水中, H2O2用量1 mL/L,鳞片石墨 3 g/L,微波输出功率259 W,微波辐射时间9 min的最佳处理工艺条件下,甲基紫脱色率达到了98.80%;微波、鳞片石墨、H2O2体系对甲基紫废水降解效果明显,产生协同效应。紫外-可见光谱分析表明,废水中甲基紫结构被破坏,但仍含有少量苯环等小分子。动力学研究表明,脱色反应符合一级反应动力学规律,反应速率常数k为0.42613 min-1,反应半衰期t1/2为1.626 min。
    Abstract: The effect of different factors and synergetic effect on the degradation of MV were discussed. The SEM, EDX, XRD and FTIR techniques were employed to characterize the fresh and used (after six consecutive cycles) flake graphites. The results showed that the MV in waste water could be degraded rapidly and efficiently with microwave-flake graphite-hydrogen peroxide technology. The decoloration rate of the MV was up to 98.80% under the optimal conditions, when wastewater volume was 50 mL, initial pH was 3, the concentration of MV was 10 mg/L, the concentration of peroxide hydrogen was 1mL/L, the dosage of FG was 3 g/L,microwave output power was 259 W and radiation time was 9 min. Catalytic oxidation process of MV wastewater by microwave induced with flake graphite and hydrogen peroxide have excellent results and synergetic effect.UV-vis spectroscopy of the wastewater showed that the conjugating structure of methyl violet was destroyed, phenyl-contained and small molecular compounds were included in the solution. Kinetics study indicated that the decoloration reaction follows first order kinetics, the reaction velocity constant k is 0.42613 min-1, the half life t1/2 is 1.627 min.
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  • 收稿日期:  2012-12-12
  • 刊出日期:  2013-11-21
占昌朝, 钟明强, 陈枫, 杨晋涛, 韩晓春, 宋建萍. 微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水[J]. 环境工程学报, 2013, 7(11): 4300-4306.
引用本文: 占昌朝, 钟明强, 陈枫, 杨晋涛, 韩晓春, 宋建萍. 微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水[J]. 环境工程学报, 2013, 7(11): 4300-4306.
shu
Zhan Changchao, Zhong Mingqiang, Chen Feng, Yang Jintao, Han Xiaochun, Song Jianping. Microwave included catalytic oxidation process for treatment of methyl violet wastewater with flake graphite and hydrogen peroxide[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4300-4306.
Citation: Zhan Changchao, Zhong Mingqiang, Chen Feng, Yang Jintao, Han Xiaochun, Song Jianping. Microwave included catalytic oxidation process for treatment of methyl violet wastewater with flake graphite and hydrogen peroxide[J]. Chinese Journal of Environmental Engineering, 2013, 7(11): 4300-4306.
shu

微波诱导鳞片石墨-H2O2催化氧化处理甲基紫废水

  • 1.  浙江工业大学化学工程与材料学院, 杭州 310014
  • 2.  九江学院化学与环境工程学院, 九江 332005
  • 收稿日期:  2012-12-12
基金项目:

国家自然科学基金资助项目(21274131,51203139,51273178,21161009)

江西省自然科学基金项目(20132BAB203023,20132BAB203004)

江西省教育厅科技基金项目(GJJ13723)

浙江省重中之重学科开放基金项目(20121137)

摘要: 研究微波诱导鳞片石墨-H2O 2催化氧化处理甲基紫废水工艺,探讨各种因素的协同作用及对废水脱色效果的影响,并采用SEM、EDX、XRD和FTIR对新鲜及使用6次后的鳞片石墨进行表征。结果表明,微波诱导鳞片石墨-H2O2能高效快速降解废水中的甲基紫;在50 mL初始pH为3,质量浓度为10 mg/L的甲基紫废水中, H2O2用量1 mL/L,鳞片石墨 3 g/L,微波输出功率259 W,微波辐射时间9 min的最佳处理工艺条件下,甲基紫脱色率达到了98.80%;微波、鳞片石墨、H2O2体系对甲基紫废水降解效果明显,产生协同效应。紫外-可见光谱分析表明,废水中甲基紫结构被破坏,但仍含有少量苯环等小分子。动力学研究表明,脱色反应符合一级反应动力学规律,反应速率常数k为0.42613 min-1,反应半衰期t1/2为1.626 min。

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