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严一超, 张耀斌. O3/H2O2深度处理印染废水二级出水[J]. 环境工程学报, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
引用本文: 严一超, 张耀斌. O3/H2O2深度处理印染废水二级出水[J]. 环境工程学报, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
shu
Yan Yichao, Zhang Yaobin. Advanced treatment of bio-treated textile wastewater using O3/H2O2[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
Citation: Yan Yichao, Zhang Yaobin. Advanced treatment of bio-treated textile wastewater using O3/H2O2[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
shu

O3/H2O2深度处理印染废水二级出水

  • 1.

    大连理工大学环境学院, 大连 112004

  • 基金项目:

    国家"水体污染控制与治理"科技重大专项(2012ZX07202006-003)

  • 中图分类号: X703.1

Advanced treatment of bio-treated textile wastewater using O3/H2O2

  • 1.

    School of the Environment, Dalian University of Technology, Dalian 112004, China

  • Fund Project:

  • 摘要: 采用O3/H2O2高级氧化工艺深度处理印染废水二级出水,考察了不同反应条件对O3/H2O2工艺的影响,并且对污水二级出水有机物(EfOM)的性质和去除行为进行了表征分析。结果表明,在pH=9,臭氧进气流量0.2 L/min,臭氧浓度116 mg/L,反应时间100 min,H2O2投加量9.79 mmol/L时,COD和色度去除率分别为82.2%、96.9%,B/C(BOD5/COD)由初始的0.10提升到0.32。此外,三维荧光光谱(3DEEM)、相对分子质量分布(MWD)以及亲疏水性分布分析表明,处理后EfOM的荧光特性发生变化,低分子量物质大量增加,亲疏水性分布也有所改变。
    Abstract: A textile wastewater after bio-treated was further treated by O3/H2O2 process in this study. The influences of operating conditions on its performance were investigated, properties of effluent organic matter(EfOM) and its removal behavior were characterized as well. The results showed that the removal rates of COD and chroma were up to 82.2% and 96.9%, respectively, B/C(BOD5/COD) increased from 0.10 initially to 0.32, under the following optimal conditions including pH of 9, gas flow of 0.2 L/min, ozone concentration of 116 mg/L, reaction time of 100 min and H2O2 dosage of 9.79 mmol/L. After the treatment, three dimension fluorescence excitation-emission matrix(3DEEM), relative molecular weight distribution(MWD) and hydrophilicity/hydrophobicity demonstrated that both fluorescence characteristics and hydrophobic/hydrophilic properties of EfOM changed. Besides, low-MW substances increased abundantly.
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出版历程
  • 收稿日期:  2014-09-20
  • 刊出日期:  2015-11-18
严一超, 张耀斌. O3/H2O2深度处理印染废水二级出水[J]. 环境工程学报, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
引用本文: 严一超, 张耀斌. O3/H2O2深度处理印染废水二级出水[J]. 环境工程学报, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
shu
Yan Yichao, Zhang Yaobin. Advanced treatment of bio-treated textile wastewater using O3/H2O2[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
Citation: Yan Yichao, Zhang Yaobin. Advanced treatment of bio-treated textile wastewater using O3/H2O2[J]. Chinese Journal of Environmental Engineering, 2015, 9(11): 5281-5287. doi: 10.12030/j.cjee.20151124
shu

O3/H2O2深度处理印染废水二级出水

  • 1. 大连理工大学环境学院, 大连 112004
  • 收稿日期:  2014-09-20
基金项目:

国家"水体污染控制与治理"科技重大专项(2012ZX07202006-003)

摘要: 采用O3/H2O2高级氧化工艺深度处理印染废水二级出水,考察了不同反应条件对O3/H2O2工艺的影响,并且对污水二级出水有机物(EfOM)的性质和去除行为进行了表征分析。结果表明,在pH=9,臭氧进气流量0.2 L/min,臭氧浓度116 mg/L,反应时间100 min,H2O2投加量9.79 mmol/L时,COD和色度去除率分别为82.2%、96.9%,B/C(BOD5/COD)由初始的0.10提升到0.32。此外,三维荧光光谱(3DEEM)、相对分子质量分布(MWD)以及亲疏水性分布分析表明,处理后EfOM的荧光特性发生变化,低分子量物质大量增加,亲疏水性分布也有所改变。

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