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硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水

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柳迪, 方迪, 武攀峰, 张瑞昌. 硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水[J]. 环境化学, 2012, 31(5): 687-691.
引用本文: 柳迪, 方迪, 武攀峰, 张瑞昌. 硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水[J]. 环境化学, 2012, 31(5): 687-691.
shu
LIU Di, FANG Di, WU Panfeng, ZHANG Ruichang. Treatment of Pb2+, Zn2+-laden acidic wire rope wastewater using sulfide from microbial sulfate reduction effluent[J]. Environmental Chemistry, 2012, 31(5): 687-691.
Citation: LIU Di, FANG Di, WU Panfeng, ZHANG Ruichang. Treatment of Pb2+, Zn2+-laden acidic wire rope wastewater using sulfide from microbial sulfate reduction effluent[J]. Environmental Chemistry, 2012, 31(5): 687-691.
shu

硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水

  • 1.

    中国海洋大学环境科学与工程学院, 青岛, 266100;

  • 2.

    南通市环境监测中心站, 南通, 226006

  • 基金项目:

    国家自然科学基金项目(20707024)

    国际科学基金项目(F/4737-1)

    南通市社会发展科技计划项目(K2009019)资助.

Treatment of Pb2+, Zn2+-laden acidic wire rope wastewater using sulfide from microbial sulfate reduction effluent

  • 1.

    School of Environmental Science and Engineering, Ocean University of China, Qingdao, 266100, China;

  • 2.

    Nantong Municipal Environmental Monitoring Center Station, Nantong, 226006, China

  • Fund Project:

  • 摘要: 在一套小型搅拌反应器中,研究了碱沉淀(KOH,处理a)、碱沉淀及硫酸盐废水厌氧处理产生的硫化物出水混合(KOH+出水混合,处理b)、碱沉淀及N2吹脱硫酸盐废水厌氧处理产生的硫化物(KOH+N2吹脱,处理c),以及碱沉淀、硫酸盐废水厌氧处理产生的硫化物出水混合和N2吹脱硫化物联合(KOH+出水混合+ N2吹脱,处理d)等4组处理方式对含Zn2+、Pb2+的钢丝绳酸洗废水处理效果的影响.废水pH值为0.7,Zn2+和Pb2+含量分别为450和3274 mg·L-1.结果表明,KOH+出水混合+ N2吹脱的处理方式对废水有较好的处理效果,Zn2+和Pb2+的去除为氢氧化物、硫化物沉淀的共同作用结果,处理后,废水中Zn2+和Pb2+的去除率均达99.6%以上,满足污水综合排放标准(GB 8978—1996).
    Abstract: Four alternatives for heavy metals removal (Zn2+, Pb2+ and Fe2+) in wire rope wastewater were evaluated in a bench scale mixing reactor, which were KOH neutralization (run a), KOH neutralization and sulfide-rich anaerobic effluent treatment (run b), KOH neutralization and sulfide precipitation by N2 (run c), KOH neutralization and sulfide-rich anaerobic effluent and N2 sparging treatment (run d). The pH of the raw wire rope wastewater was 0.7, and the concentration of Zn2+ and Pb2+ were 450 and 3274 mg·L-1, respectively. It was found that the best precipitation results were obtained in run d in which the removal rates of Zn and Pb reached above 99.6%, due to the co-precipitation of hydroxide and sulfide. The treated wastewater meets the effluent discharge standard (GB 8978—1996).
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  • [1] 黄海啸.钢丝绳酸洗磷化废水处理工艺改进[J]. 工业用水与废水,2007,38(3):65-66
    [2] Charerntanyarak L. Heavy metals removal by chemical coagulation and precipitation[J]. Water Sci Technol, 1999, 39(10/11):135-138
    [3] Islamoglu S, Yilmaz L, Zbelge H O, et al. Development of a precipitation-based separation scheme for selective removal and recovery of heavy metals from cadmium rich electroplating industry effluents[J]. Sep Sci Technol,2006, 41(15):3367-3385
    [4] Blais J F, Djedidi Z, Ben Cheikh R, et al. Metals precipitation from effluents: Review[J]. Pract Period Hazard Toxic Radioactive Waste Manage, 2008, 12(3):135-149
    [5] Al-Tarazi M, Heesink A B M, Versteeg G F. Precipitation of metal sulphides using gaseous hydrogen sulphide mathematical modeling[J]. Chem Eng Sci, 2004, 59(3):567-579
    [6] Esposito G, Veeken A, Weifma J, et al. Use of biogenic sulfide for ZnS precipitation[J]. Sep Purif Technol, 2006, 51:31-39
    [7] Bayrakdar A, Sahinkaya E, Gungor M, et al. Performance of sulfidogenic anaerobic baffled reactor (ABR) treating zinc-containing wastewater[J].Bioresour Technol, 2009, 100 (19):4354-4360
    [8] Sahinkaya E, Yucesoy Z. Biotreatment of acidic zinc- and copper-containing wastewater using ethanolfed sulfidogenic anaerobic baffled reactor[J]. Bioproc Biosyst, 2010, 33(8):989-997
    [9] Standard Methods for the Examination of Water and Wastewater, 18th ed.[M]. American Public Health Association, Washington, DC, USA, 1992
    [10] 王旭,任南琪,刘广民,等.硫离子选择电极测定产酸脱硫反应器中硫化物[J]. 哈尔滨工业大学学报,2004,36(6):729-731
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  • 收稿日期:  2011-09-21
柳迪, 方迪, 武攀峰, 张瑞昌. 硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水[J]. 环境化学, 2012, 31(5): 687-691.
引用本文: 柳迪, 方迪, 武攀峰, 张瑞昌. 硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水[J]. 环境化学, 2012, 31(5): 687-691.
shu
LIU Di, FANG Di, WU Panfeng, ZHANG Ruichang. Treatment of Pb2+, Zn2+-laden acidic wire rope wastewater using sulfide from microbial sulfate reduction effluent[J]. Environmental Chemistry, 2012, 31(5): 687-691.
Citation: LIU Di, FANG Di, WU Panfeng, ZHANG Ruichang. Treatment of Pb2+, Zn2+-laden acidic wire rope wastewater using sulfide from microbial sulfate reduction effluent[J]. Environmental Chemistry, 2012, 31(5): 687-691.
shu

硫酸盐废水生物处理产生的硫化物处理含Pb2+、Zn2+的钢丝酸洗废水

  • 1.  中国海洋大学环境科学与工程学院, 青岛, 266100;
  • 2.  南通市环境监测中心站, 南通, 226006
  • 收稿日期:  2011-09-21
基金项目:

国家自然科学基金项目(20707024)

国际科学基金项目(F/4737-1)

南通市社会发展科技计划项目(K2009019)资助.

摘要: 在一套小型搅拌反应器中,研究了碱沉淀(KOH,处理a)、碱沉淀及硫酸盐废水厌氧处理产生的硫化物出水混合(KOH+出水混合,处理b)、碱沉淀及N2吹脱硫酸盐废水厌氧处理产生的硫化物(KOH+N2吹脱,处理c),以及碱沉淀、硫酸盐废水厌氧处理产生的硫化物出水混合和N2吹脱硫化物联合(KOH+出水混合+ N2吹脱,处理d)等4组处理方式对含Zn2+、Pb2+的钢丝绳酸洗废水处理效果的影响.废水pH值为0.7,Zn2+和Pb2+含量分别为450和3274 mg·L-1.结果表明,KOH+出水混合+ N2吹脱的处理方式对废水有较好的处理效果,Zn2+和Pb2+的去除为氢氧化物、硫化物沉淀的共同作用结果,处理后,废水中Zn2+和Pb2+的去除率均达99.6%以上,满足污水综合排放标准(GB 8978—1996).

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