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S2-/NO3--N对硫自养反硝化与厌氧氨氧化耦合脱氮除硫启动的影响

李 军 郑驰骏 刘 健 王诗白 杨 柳 魏 婕

李 军, 郑驰骏, 刘 健, 王诗白, 杨 柳, 魏 婕. S2-/NO3--N对硫自养反硝化与厌氧氨氧化耦合脱氮除硫启动的影响[J]. 环境科学研究, 2015, 28(7): 1152-1158.
引用本文: 李 军, 郑驰骏, 刘 健, 王诗白, 杨 柳, 魏 婕. S2-/NO3--N对硫自养反硝化与厌氧氨氧化耦合脱氮除硫启动的影响[J]. 环境科学研究, 2015, 28(7): 1152-1158.
LI Jun, ZHENG Chijun, LIU Jian, WANG Shibai, YANG Liu, WEI Jie. Effects of S2-/NO3--N on Sulfur Autotrophic Denitrification and Anaerobic Ammonia Oxidation Combined Process for Nitrogen and Sulfur Removal[J]. Research of Environmental Sciences, 2015, 28(7): 1152-1158.
Citation: LI Jun, ZHENG Chijun, LIU Jian, WANG Shibai, YANG Liu, WEI Jie. Effects of S2-/NO3--N on Sulfur Autotrophic Denitrification and Anaerobic Ammonia Oxidation Combined Process for Nitrogen and Sulfur Removal[J]. Research of Environmental Sciences, 2015, 28(7): 1152-1158.

S2-/NO3--N对硫自养反硝化与厌氧氨氧化耦合脱氮除硫启动的影响

基金项目: 国家自然科学基金项目(51108277);辽宁省高等学校优秀人才支持计划项目(LJQ2012051);辽宁省科学技术计划项目(2012225086)

Effects of S2-/NO3--N on Sulfur Autotrophic Denitrification and Anaerobic Ammonia Oxidation Combined Process for Nitrogen and Sulfur Removal

  • 摘要: 为寻求经济、有效的同步脱氮除硫工艺,采用HABR(复合式厌氧折流板反应器),接种厌氧氨氧化活性污泥,以人工模拟废水为研究对象,在进水pH为8.0、温度为(32±1)℃、HRT为6.5 h的条件下,调整进水S2-/NO3--N〔n(S2-)∶n(NO3--N)〕分别为2.0∶5、3.5∶5、5.0∶5、6.5∶5,研究其对硫自养反硝化和厌氧氨氧化耦合工艺启动的影响,试验连续进行了54 d.结果表明:当S2-/NO3--N<1时,S2-的供应量相对不足,导致硫自养反硝化生成的NO2--N量不足,进而影响后续厌氧氨氧化效果,NH4+-N去除率较低,平均值为53.5%,同时剩余NO3--N继续氧化硫自养反硝化生成的S0,致使出水中ρ(SO42-)增大;当S2-/NO3--N=1时,S2-供应量充足,硫自养反硝化生成NO2--N量最大,厌氧氨氧化效果最好,NH4+-N去除率最高,平均值为65.1%;当S2-/NO3--N>1时,S2-过量,S2-去除率下降.试验通过控制S2-/NO3--N,在HABR内成功实现了硫自养反硝化和厌氧氨氧化耦合工艺启动,NH4+-N、S2-、NO3--N最大去除率分别为74.3%、99.0%、99.5%,S2-/NO3--N=1为最佳比例.

     

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  • 刊出日期:  2015-07-25

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