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Evaluation of copper slag to catalyze advanced oxidation processes for the removal of phenol in water

机译:评价铜渣以催化高级氧化过程以去除水中的苯酚

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摘要

The aim of this work was to evaluate the use of copper slag to catalyze phenol degradation in water by advanced oxidation processes (AOPs). Copper slag was tested in combination with H_2O_2 (slag/H_2O_2) and H_2O_2/UV (slag/H_2O_2/UV). The studied methods promoted the complete photocatalytic degradation of phenol. Besides, they were able to reduce about 50% the TOC content in the samples. Slag/H_2O_2/UV and slag/H_2O_2 treatments have favored biodegradability increment along the reaction time. Nevertheless, the irradiated method achieved higher values of the biodegradability indicator (BOD_5/TOC). The toxicity assessment indicated the formation of more toxic compounds in both treatments. However, the control of the reaction time would minimize the environmental impact of the effluents.
机译:这项工作的目的是评估使用铜渣通过先进的氧化工艺(AOP)催化水中的苯酚降解。铜渣与H_2O_2(渣/ H_2O_2)和H_2O_2 / UV(渣/ H_2O_2 / UV)结合测试。所研究的方法促进了苯酚的完全光催化降解。此外,他们能够减少样品中约50%的TOC含量。矿渣/ H_2O_2 / UV和矿渣/ H_2O_2处理有利于沿反应时间增加生物降解性。然而,辐照方法获得了更高的生物降解指标(BOD_5 / TOC)。毒性评估表明,两种处理均形成更多有毒化合物。然而,反应时间的控制将使流出物的环境影响最小化。

著录项

  • 来源
    《Journal of Hazardous Materials》 |2012年第30期|p.325-330|共6页
  • 作者单位

    Institute de Ingenieria, Coordinacidn de Ingenieria Ambiental. Universidad National Autonoma de Mexico, Cd. Universitarta. Coyoacan 04510, Mexico, D.F., Mexico;

    Departament d'Enginyeria Quimica, Universitat de Barcelona, Marti i Franques 1,08028 Barcelona, Spain;

    Institute de Ingenieria, Coordinacidn de Ingenieria Ambiental. Universidad National Autonoma de Mexico, Cd. Universitarta. Coyoacan 04510, Mexico, D.F., Mexico;

    Departament d'Enginyeria Quimica, Universitat de Barcelona, Marti i Franques 1,08028 Barcelona, Spain;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    water treatment; waste reuse; copper slag; catalysis; phenol;

    机译:水处理;废物再利用;铜渣催化;苯酚;

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