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本文引用的文献

1
Multiple metal resistance in the ciliate protozoan, Vorticella microstoma, isolated from industrial effluents and its potential in bioremediation of toxic wastes.从工业废水中分离出的纤毛原生动物小口钟虫的多重金属抗性及其在有毒废物生物修复中的潜力。
Bull Environ Contam Toxicol. 2004 May;72(5):1046-51. doi: 10.1007/s00128-004-0349-5.
2
Ovipositional response, developmental effects and toxicity of hexavalent chromium to Megaselia scalaris, a terrestrial detritivore.六价铬对陆生腐食性昆虫黑腹果蝇的产卵反应、发育影响及毒性
Arch Environ Contam Toxicol. 2004 Apr;46(3):372-6. doi: 10.1007/s00244-003-3007-8.
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Complexities of chromium carcinogenesis: role of cellular response, repair and recovery mechanisms.铬致癌作用的复杂性：细胞反应、修复和恢复机制的作用
Mutat Res. 2003 Dec 10;533(1-2):3-36. doi: 10.1016/j.mrfmmm.2003.09.006.
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Biosorption of copper(II) from aqueous solutions by pre-treated biomass of marine algae Padina sp.利用预处理的海洋藻类半叶马尾藻生物质对水溶液中铜（II）的生物吸附
Chemosphere. 2002 Jun;47(10):1081-5. doi: 10.1016/s0045-6535(01)00324-1.
5
Heavy metal resistance Chlorella spp., isolated from tannery effluents, and their role in remediation of hexavalent chromium in industrial waste water.从制革废水分离出的小球藻属对重金属的抗性及其在工业废水中六价铬修复中的作用。
Bull Environ Contam Toxicol. 2001 Apr;66(4):542-7. doi: 10.1007/s001280041.
6
Effect of heavy metals (Cu, Pb, and Ni) on the compositions of EPS in biofilms.重金属（铜、铅和镍）对生物膜中胞外聚合物（EPS）组成的影响。
Water Sci Technol. 2001;43(6):41-8.
7
Anaerobic sulphate-reducing microbial process using UASB reactor for heavy metals decontamination.采用上流式厌氧污泥床（UASB）反应器进行重金属净化的厌氧硫酸盐还原微生物过程。
Environ Technol. 2001 Mar;22(3):261-70. doi: 10.1080/09593332208618286.

含六价铬废水的厌氧处理研究

Study on anaerobic treatment of wastewater containing hexavalent chromium.

作者信息

Xu Yan-bin, Xiao Hua-hua, Sun Shui-yu

机构信息

Faculty of Environmental Science and Engineering, Guangdong University of Technology, Guangzhou 510090, China.

出版信息

J Zhejiang Univ Sci B. 2005 Jun;6(6):574-9. doi: 10.1631/jzus.2005.B0574.

DOI:10.1631/jzus.2005.B0574
PMID:15909347
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC1389893/
Abstract

A self-made anaerobic bio-filter bed which was inoculated with special sludge showed high efficiency in removing hexavalent chromium. When pump flow was 47 ml/min and COD(Cr) of wastewater was about 140 mg/L, it took 4 h to decrease the Cr6+ concentrations from about 60 mg/L to under 0.5 mg/L, compared with 14 h without carbon source addition. Cr6+ concentrations ranged from 64.66 mg/L to 75.53 mg/L, the system efficiency was excellent. When Cr6+ concentration reached 95.47 mg/L, the treatment time was prolonged to 7.5 h. Compared with the contrast system, the system with trace metals showed clear superiority in that the Cr6+ removal rate increased by 21.26%. Some analyses also showed that hexavalent chromium could probably be bio-reduced to trivalent chromium, and that as a result, the chrome hydroxide sediment was formed on the surface of microorganisms.

摘要

一个接种了特殊污泥的自制厌氧生物滤床在去除六价铬方面表现出高效性。当泵流量为47毫升/分钟且废水的COD（Cr）约为140毫克/升时，与不添加碳源时的14小时相比，将Cr6 +浓度从约60毫克/升降低至0.5毫克/升以下耗时4小时。Cr6 +浓度在64.66毫克/升至75.53毫克/升之间时，系统效率极佳。当Cr6 +浓度达到95.47毫克/升时，处理时间延长至7.5小时。与对照系统相比，含有微量金属的系统表现出明显优势，Cr6 +去除率提高了21.26%。一些分析还表明，六价铬可能被生物还原为三价铬，结果在微生物表面形成了氢氧化铬沉淀物。