硝化细菌对碘普罗胺的降解及作用机制

吴凡, 高品, 薛罡, 毛菲菲, 刘亚男. 硝化细菌对碘普罗胺的降解及作用机制[J]. 环境工程学报, 2014, 8(6): 2225-2230.
引用本文: 吴凡, 高品, 薛罡, 毛菲菲, 刘亚男. 硝化细菌对碘普罗胺的降解及作用机制[J]. 环境工程学报, 2014, 8(6): 2225-2230.
Wu Fan, Gao Pin, Xue Gang, Mao Feifei, Liu Yanan. Biodegradation mechanism of iopromide by nitrobacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2225-2230.
Citation: Wu Fan, Gao Pin, Xue Gang, Mao Feifei, Liu Yanan. Biodegradation mechanism of iopromide by nitrobacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2225-2230.

硝化细菌对碘普罗胺的降解及作用机制

  • 基金项目:

    国家自然科学基金资助项目(51108070,51178093,51208086)

    中央高校基本科研业务费专项资金

    高等学校博士学科点专项科研基金(20120075110012)

  • 中图分类号: X703.1

Biodegradation mechanism of iopromide by nitrobacteria

  • Fund Project:
  • 摘要: 将富含硝化细菌的驯化污泥投放于培养基中,以碘普罗胺(IOPr)为处理对象,研究硝化细菌对IOPr的降解促进作用情况。结果表明,富集培养的硝化细菌能有效地促进IOPr的降解,最佳反应条件为:温度30℃,pH 8.0~8.5,初始投加浓度为10 mg/L,同时在硝化细菌存在条件下,IOPr的5 d降解率可达84.1%。IOPr的生物降解属于共代谢机制,向培养基中加入葡萄糖、可溶性淀粉和麦芽糖,可以显著提高IOPr的降解去除率;在投加500 mg/L葡萄糖作为外加碳源时,硝化细菌对IOPr的3 d降解率可达60.3%。
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    [2] Roosens L., Covaci A., Neels H. Concentrations of synthetic musk compounds in personal care and sanitation products and human exposure profiles through dermal application. Chemosphere, 2007, 69(10): 1540-1547
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    [5] Kumar A., Xagoraraki I. Human health risk assessment of pharmaceuticals in water: An uncertainty analysis for meprobamate, carbamazepine, and phenytoin. Regulatory toxicology and Pharmacology, 2010, 57(2): 146-156
    [6] Kasprzyk-Hordern B., Dinsdale R. M., Guwy A. J. The occurrence of pharmaceuticals, personal care products, endocrine disruptors and illicit drugs in surface water in South Wales, UK. Water Research, 2008, 42(13): 3498-3518
    [7] Kim S. D., Cho J., Kim I. S., et al. Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and wastewaters. Water Research, 2007, 41(5): 1013-1021
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    [9] Moldovan Z. Occurrences of pharmaceutical and personal care products as micropollutants in rivers from Romania. Chemosphere, 2006, 64(11): 1808-1817
    [10] Kim S. D., Cho J., Kim I. S., et al. Occurrence and removal of pharmaceuticals and endocrine disruptors in South Korean surface, drinking, and wastewaters. Water Research, 2007, 41(5): 1013-1021
    [11] Schnell S., Bols N. C., Barata C., et al. Single and combined toxicity of pharmaceuticals and personal care products (PPCPs) on the rainbow trout liver cell line RTL-W1. Aquatic Toxicology, 2009, 93(4): 244-252
    [12] Batt A. L., Kim S., Aga D. S. Enhanced biodegradation of iopromide and trimethoprim in nitrifying activated sludge. Environmental Science & Technology, 2006, 40(23): 7367-7373
    [13] Jeong J., Jung J., Cooper W. J., et al. Degradation mechanisms and kinetic studies for the treatment of X-ray contrast media compounds by advanced oxidation/reduction processes. Water Research, 2010, 44(15): 4391-4398
    [14] 托马斯·A.特内斯, 阿德里亚诺·乔斯. 人类药品、激素和香料:城市水资源管理中微污染物的挑战. 周雪飞,张亚雷,译. 上海:同济大学出版社, 2009.33-38
    [15] Carballa M., Omil F., Lema J.M., et al. Behavior of pharmaceuticals, cosmetics and hormones in a sewage treatment plant. Water Research, 2004, 38(12): 2918-2926
    [16] Takehara M., Kinoshita K., Miyamoto M., et al. A novel alkaline esterase from Sporosarcina sp. nov. strain eSP04 catalyzing the hydrolysis of a wide variety of aryl-carboxylic acid esters. Bioscience, Biotechnology, and Biochemistry, 2012, 76(9): 1721-1727
    [17] Liu Y., Hu J., Xu B., et al. Isolation and identification of an iopromide-degrading strain and its application in an A2/O system. Bioresource Technology, 2013,134: 36-42
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出版历程
  • 收稿日期:  2013-08-07
  • 刊出日期:  2014-05-29
吴凡, 高品, 薛罡, 毛菲菲, 刘亚男. 硝化细菌对碘普罗胺的降解及作用机制[J]. 环境工程学报, 2014, 8(6): 2225-2230.
引用本文: 吴凡, 高品, 薛罡, 毛菲菲, 刘亚男. 硝化细菌对碘普罗胺的降解及作用机制[J]. 环境工程学报, 2014, 8(6): 2225-2230.
Wu Fan, Gao Pin, Xue Gang, Mao Feifei, Liu Yanan. Biodegradation mechanism of iopromide by nitrobacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2225-2230.
Citation: Wu Fan, Gao Pin, Xue Gang, Mao Feifei, Liu Yanan. Biodegradation mechanism of iopromide by nitrobacteria[J]. Chinese Journal of Environmental Engineering, 2014, 8(6): 2225-2230.

硝化细菌对碘普罗胺的降解及作用机制

  • 1. 东华大学环境科学与工程学院, 上海 201620
基金项目:

国家自然科学基金资助项目(51108070,51178093,51208086)

中央高校基本科研业务费专项资金

高等学校博士学科点专项科研基金(20120075110012)

摘要: 将富含硝化细菌的驯化污泥投放于培养基中,以碘普罗胺(IOPr)为处理对象,研究硝化细菌对IOPr的降解促进作用情况。结果表明,富集培养的硝化细菌能有效地促进IOPr的降解,最佳反应条件为:温度30℃,pH 8.0~8.5,初始投加浓度为10 mg/L,同时在硝化细菌存在条件下,IOPr的5 d降解率可达84.1%。IOPr的生物降解属于共代谢机制,向培养基中加入葡萄糖、可溶性淀粉和麦芽糖,可以显著提高IOPr的降解去除率;在投加500 mg/L葡萄糖作为外加碳源时,硝化细菌对IOPr的3 d降解率可达60.3%。

English Abstract

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