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臭氧-接种生物滤池组合工艺去除饮用水中典型致嗅物质

袁蓉芳 周北海 施春红 顾军农 李玉仙

袁蓉芳, 周北海, 施春红, 顾军农, 李玉仙. 臭氧-接种生物滤池组合工艺去除饮用水中典型致嗅物质[J]. 环境科学研究, 2013, 26(7): 800-806.
引用本文: 袁蓉芳, 周北海, 施春红, 顾军农, 李玉仙. 臭氧-接种生物滤池组合工艺去除饮用水中典型致嗅物质[J]. 环境科学研究, 2013, 26(7): 800-806.
YUAN Rong-fang, ZHOU Bei-hai, SHI Chun-hong, GU Jun-nong, LI Yu-xian. Ozonation-Inoculated Biofiltration for Removal of the Typical Taste and Odor Compounds in Drinking Water[J]. Research of Environmental Sciences, 2013, 26(7): 800-806.
Citation: YUAN Rong-fang, ZHOU Bei-hai, SHI Chun-hong, GU Jun-nong, LI Yu-xian. Ozonation-Inoculated Biofiltration for Removal of the Typical Taste and Odor Compounds in Drinking Water[J]. Research of Environmental Sciences, 2013, 26(7): 800-806.

臭氧-接种生物滤池组合工艺去除饮用水中典型致嗅物质

基金项目: 国家自然科学基金项目(51178043)

Ozonation-Inoculated Biofiltration for Removal of the Typical Taste and Odor Compounds in Drinking Water

  • 摘要: 通过在生物滤池表面接种MIB(2-甲基异茨醇)及geosmin(土臭素)降解菌,增强生物滤池的作用,并探讨臭氧-生物滤池组合工艺对MIB和geosmin的处理效果. 结果表明:单独接种生物滤池可使ρ(MIB)和ρ(geosmin)从初始的500ng/L分别降至125和112ng/L,MIB和geosmin的去除效果先随EBCT(空床停留时间)的延长而显著增加,但当EBCT大于20min后无明显变化;随着滤料深度的增加,滤池生物量逐渐降低,对污染物的去除率增加缓慢.在接种生物滤池前增加臭氧单元,当EBCT为20min、臭氧投加量为2mg/L时,臭氧-接种生物滤池组合工艺可去除84%的MIB和94%的geosmin,其中接种生物滤池单元中生物量随滤池深度的增加呈先增后减的趋势,滤料深度为100~200mm时,单位高度滤料的去除率最高. 采用臭氧-接种生物滤池组合工艺可有效去除水中的MIB和geosmin.

     

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出版历程
  • 收稿日期:  2013-03-20
  • 修回日期:  2013-04-20
  • 刊出日期:  2013-07-25

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