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微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水

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占昌朝, 陈义, 严平, 谢宝华, 曹小华, 夏祥. 微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水[J]. 环境工程学报, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
引用本文: 占昌朝, 陈义, 严平, 谢宝华, 曹小华, 夏祥. 微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水[J]. 环境工程学报, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
shu
Zhan Changchao, Chen Yi, Yan Ping, Xie Baohua, Cao Xiaohua, Xia Xiang. Degradation of methyl orange wastewater by microwave assisted catalysis of potassium persulfate with Fe@MCM-48[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
Citation: Zhan Changchao, Chen Yi, Yan Ping, Xie Baohua, Cao Xiaohua, Xia Xiang. Degradation of methyl orange wastewater by microwave assisted catalysis of potassium persulfate with Fe@MCM-48[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
shu

微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水

  • 1.

    九江学院 化学与环境工程学院, 九江 332005

  • 2.

    江西省生态化工工程技术中心, 九江 332005

  • 基金项目:

    国家自然科学基金资助项目(21161009,21367014,21274131,51273178)

    江西省自然科学基金项目(2013BAB203023)

    江西省教育厅科技基金项目(GJJ2013723,KJLD13092))

    江西省大学生创新创业计划项目(201311843029)

  • 中图分类号: X786

Degradation of methyl orange wastewater by microwave assisted catalysis of potassium persulfate with Fe@MCM-48

  • 1.

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

  • 2.

    Jiangxi Province Engineering Research Center of Ecological Chemical Industry, Jiujiang 332005, China

  • Fund Project:

  • 摘要: 以正硅酸四乙酯(TEOS)为起始原料,硝酸铁为掺杂剂,十六烷基三甲基溴化铵(CTAB)为结构导向剂,经沉淀法成功制备了Fe掺杂MCM-48分子筛(Fe@MCM-48),并采用SEM、EDS、XRD、BET、FTIR对其进行了表征。研究了微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水的行为,考察了溶液初始pH、微波功率、微波时间、Fe@MCM-48及K2S2O8用量等因素对废水脱色效果的影响。结果表明,微波-K2S2O8-Fe@MCM-48体系能高效快速降解废水中的甲基橙,在50 mL初始pH为7、质量浓度为500 mg/L的甲基橙废水中,微波辐射功率280 W、微波辐射10 min、Fe@MCM-48用量0.06 g、K2S2O8浓度为0.491 mmol/L的较佳处理工艺条件下,色度和及TOC去除率分别为97.6%和43.7%,微波、K2S2O8、Fe@MCM-48体系对甲基橙废水降解效果明显,产生了协同效应。
    Abstract: Iron incorporated into MCM-48 molecular sieve (Fe@MCM-48) was successfully synthesized by precipitation method using cetyltrimethylammonium bromide (CTAB) as a structural directing agent,and tetraethylorthosilicate (TEOS) as starting raw materials and ferric nitrate as dopant.And then the samples were characterized by scanning electron microscopy (SEM),energy disperse spectrum (EDS),X-ray diffraction (XRD) patterns,N2 adsorption/desorption measurements(BET) and Fourier transform infrared spectroscopy (FTIR).Catalytic degradation performance of methyl orange (MO) solution in microwave-assisted Fe@MCM-48/K2S2O8 system was studied.The effects of different factors including solution initial pH value,microwave power,radiated time,dose of Fe@MCM-48 and potassium persulfate on the degradation of MO were studied.The results showed that the MO was degraded rapidly and efficiently.For 50 mL solution with initial pH of 7 and MO concentration of 500 mg/L,97.6% of color and 43.7% of TOC were removed,under the better reaction conditions of the microwave radiation power input of 280 W,the microwave radiation time of 10 min,Fe@MCM-48 mass of 0.06 g and K2S2O8concentration of 0.491 mmol/L.Degradation process of MO wastewater by microwave,potassium persulfate and Fe@MCM-48 have excellent results and synergetic effect.
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  • 收稿日期:  2014-08-26
  • 刊出日期:  2015-07-02
占昌朝, 陈义, 严平, 谢宝华, 曹小华, 夏祥. 微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水[J]. 环境工程学报, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
引用本文: 占昌朝, 陈义, 严平, 谢宝华, 曹小华, 夏祥. 微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水[J]. 环境工程学报, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
shu
Zhan Changchao, Chen Yi, Yan Ping, Xie Baohua, Cao Xiaohua, Xia Xiang. Degradation of methyl orange wastewater by microwave assisted catalysis of potassium persulfate with Fe@MCM-48[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
Citation: Zhan Changchao, Chen Yi, Yan Ping, Xie Baohua, Cao Xiaohua, Xia Xiang. Degradation of methyl orange wastewater by microwave assisted catalysis of potassium persulfate with Fe@MCM-48[J]. Chinese Journal of Environmental Engineering, 2015, 9(7): 3134-3140. doi: 10.12030/j.cjee.20150710
shu

微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水

  • 1.  九江学院 化学与环境工程学院, 九江 332005
  • 2.  江西省生态化工工程技术中心, 九江 332005
  • 收稿日期:  2014-08-26
基金项目:

国家自然科学基金资助项目(21161009,21367014,21274131,51273178)

江西省自然科学基金项目(2013BAB203023)

江西省教育厅科技基金项目(GJJ2013723,KJLD13092))

江西省大学生创新创业计划项目(201311843029)

摘要: 以正硅酸四乙酯(TEOS)为起始原料,硝酸铁为掺杂剂,十六烷基三甲基溴化铵(CTAB)为结构导向剂,经沉淀法成功制备了Fe掺杂MCM-48分子筛(Fe@MCM-48),并采用SEM、EDS、XRD、BET、FTIR对其进行了表征。研究了微波促进Fe@MCM-48催化K2S2O8降解甲基橙废水的行为,考察了溶液初始pH、微波功率、微波时间、Fe@MCM-48及K2S2O8用量等因素对废水脱色效果的影响。结果表明,微波-K2S2O8-Fe@MCM-48体系能高效快速降解废水中的甲基橙,在50 mL初始pH为7、质量浓度为500 mg/L的甲基橙废水中,微波辐射功率280 W、微波辐射10 min、Fe@MCM-48用量0.06 g、K2S2O8浓度为0.491 mmol/L的较佳处理工艺条件下,色度和及TOC去除率分别为97.6%和43.7%,微波、K2S2O8、Fe@MCM-48体系对甲基橙废水降解效果明显,产生了协同效应。

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