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首页> 外文期刊>Journal of Hazardous Materials >Innovative combination of Fe2+-BAF and ozonation for enhancing phosphorus and organic micropollutants removal treating petrochemical secondary effluent
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Innovative combination of Fe2+-BAF and ozonation for enhancing phosphorus and organic micropollutants removal treating petrochemical secondary effluent

机译：Fe2 + -BAF与臭氧化的创新组合，可增强对石化二级废水的除磷和去除有机微污染物

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摘要

Two sets of BAF - ozonation systems, with (System-A) and without (System-B) Fe2+ dosing into BAF, were used for organic micropollutants (OMPs) and phosphorus removal in the advanced treatment of petrochemical secondary effluent. Pilot scale study showed that when the influent COD, TP and TSS were 73.0, 1.40 and 24.6 mg L-1, the effluent COD, TP and TSS were 48.9, 0.32, 7.78 mg L-1 for System-A with the ozone and Fe2+ dosage of 25 mg L-1 and 0.08 mmol L-1, and 60.2, 1.16, 6.44 mg L-1 for System-B with the ozone dosage of 25 mg L-1. The dosage of Fe2+ into the BAF significantly enhanced the TP and OMPs removal ability. Exactly, the residual Fe2+ in the BAF-A effluent stimulated the catalytic ozonation in the following ozone unit. Therefore, the OMPs removal in System-A was obviously better than that in System-B. The dosage of Fe2+ from 0.02 to 0.10 mmol L-1 had slight adverse effect on the bio film activity in BAF. Based on the TP and OMPs removal ability, the System-B is selected as a proposed process for the advanced treatment of petrochemical secondary effluent. (C) 2016 Published by Elsevier B.V.
机译：两组BAF-臭氧化系统，分别向系统中加入（系统A）和不向系统（B）中添加Fe2 +，用于有机微量污染物（OMP）和石化二级废水深度处理中的除磷。中试研究表明，当进水的COD，TP和TSS分别为73.0、1.40和24.6 mg L-1时，含有臭氧和Fe2 +的系统A的废水COD，TP和TSS分别为48.9、0.32、7.78 mg L-1。剂量为25 mg L-1和0.08 mmol L-1，以及系统B的60.2、1.16、6.44 mg L-1，臭氧剂量为25 mg L-1。在BAF中加入Fe2 +可以显着提高TP和OMP的去除能力。确切地说，BAF-A废水中残留的Fe2 +会在以下臭氧单元中刺激催化臭氧化。因此，系统A中的OMP清除明显优于系统B中的OMP。 0.02至0.10 mmol L-1的Fe2 +用量对BAF中的生物膜活性有轻微的不利影响。基于TP和OMP的去除能力，选择System-B作为石化二级废水深度处理的建议工艺。 （C）2016由Elsevier B.V.发布

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  • 来源
    《Journal of Hazardous Materials》 |2017年第ptab期|654-662|共9页
  • 作者

    Wu Changyong; Zhou Yuexi; Wang Yi; Guo Mingkun;

  • 作者单位

    Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China|Chinese Res Inst Environm Sci, Res Ctr Water Pollut Control Technol, Beijing 100012, Peoples R China;

    Chinese Res Inst Environm Sci, State Key Lab Environm Criteria & Risk Assessment, Beijing 100012, Peoples R China|Chinese Res Inst Environm Sci, Res Ctr Water Pollut Control Technol, Beijing 100012, Peoples R China;

    Chinese Res Inst Environm Sci, Res Ctr Water Pollut Control Technol, Beijing 100012, Peoples R China;

    Chinese Res Inst Environm Sci, Res Ctr Water Pollut Control Technol, Beijing 100012, Peoples R China;

  • 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

    Petrochemical secondary effluent; Biological aerated filter (BAF); Ozonation; Phosphorus; Organic micropollutants (OMPs);

    机译：石化二级废水;曝气生物滤池（BAF）;臭氧;磷;有机微污染物（OMPs）;

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