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臭氧接触池臭氧投加方式的优化

袁蓉芳 田 烨 施春红 周北海 顾军农 张春雷

袁蓉芳, 田 烨, 施春红, 周北海, 顾军农, 张春雷. 臭氧接触池臭氧投加方式的优化[J]. 环境科学研究, 2013, 26(9): 1014-1021.
引用本文: 袁蓉芳, 田 烨, 施春红, 周北海, 顾军农, 张春雷. 臭氧接触池臭氧投加方式的优化[J]. 环境科学研究, 2013, 26(9): 1014-1021.
YUAN Rong-fang, TIAN Ye, SHI Chun-hong, ZHOU Bei-hai, GU Jun-nong, ZHANG Chun-lei. Optimization of Ozone Distribution Method in the Ozone Contactor[J]. Research of Environmental Sciences, 2013, 26(9): 1014-1021.
Citation: YUAN Rong-fang, TIAN Ye, SHI Chun-hong, ZHOU Bei-hai, GU Jun-nong, ZHANG Chun-lei. Optimization of Ozone Distribution Method in the Ozone Contactor[J]. Research of Environmental Sciences, 2013, 26(9): 1014-1021.

臭氧接触池臭氧投加方式的优化

基金项目: 国家自然科学基金项目(51178043);国家水体污染控制与治理科技重大专项(2009ZX07424-003)

Optimization of Ozone Distribution Method in the Ozone Contactor

  • 摘要: 臭氧接触池内臭氧(O3)投加方式是影响臭氧接触池反应效率的关键因素. 以密云水库水为处理对象,对臭氧接触池内臭氧投加方式进行优化,通过考察气液接触方式和投加点个数对ρ(O3)、传质效率及有机物去除率的影响,确定最优臭氧投加方式. 结果表明,适当增加布气点个数可有效增强气液传质,提高有机物去除率,但当布气点个数高于3个时,臭氧传质效率无明显提升,而且造成出水ρ(O3)过高,不利于后续工艺的进行. 采用三段式臭氧投加方式,臭氧投加比为3∶3∶1时,密云水库水中臭氧传质效率达78.1%,有机物去除率为47.5%; 向密云水库水中添加3mg/L腐殖酸后,该投加比下臭氧传质效率为76.8%,有机物去除率为40.3%,出水ρ(O3)为0.26mg/L,不会对后续工艺产生影响;并且该条件下臭氧利用率最高,BrO3-生成量最低,为最佳臭氧投加比.

     

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出版历程
  • 收稿日期:  2013-03-21
  • 修回日期:  2013-07-17
  • 刊出日期:  2013-09-25

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