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HABR系统实现固相异养与单质硫自养集成反硝化试验

李 军 关琳琳 王诗白 李凤丹 张曦彤

李 军, 关琳琳, 王诗白, 李凤丹, 张曦彤. HABR系统实现固相异养与单质硫自养集成反硝化试验[J]. 环境科学研究, 2014, 27(3): 314-320.
引用本文: 李 军, 关琳琳, 王诗白, 李凤丹, 张曦彤. HABR系统实现固相异养与单质硫自养集成反硝化试验[J]. 环境科学研究, 2014, 27(3): 314-320.
LI Jun, GUAN Lin-lin, WANG Shi-bai, LI Feng-dan, ZHANG Xi-tong. Solid-Phase Heterotrophic Denitrification and Sulfur Autotrophic Denitrification Combined Process in HABR System[J]. Research of Environmental Sciences, 2014, 27(3): 314-320.
Citation: LI Jun, GUAN Lin-lin, WANG Shi-bai, LI Feng-dan, ZHANG Xi-tong. Solid-Phase Heterotrophic Denitrification and Sulfur Autotrophic Denitrification Combined Process in HABR System[J]. Research of Environmental Sciences, 2014, 27(3): 314-320.

HABR系统实现固相异养与单质硫自养集成反硝化试验

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)

Solid-Phase Heterotrophic Denitrification and Sulfur Autotrophic Denitrification Combined Process in HABR System

  • 摘要: 采用连续流运行方式,将含NO3--N的原水依次通过HABR(复合式厌氧折流板反应器)内添加木屑(第1系统)和硫磺颗粒(第2系统)的2个系统,在温度为(25±1)℃的条件下,将NO3--N容积负荷由72g/(m3·d)逐渐提高至80和96g/(m3·d),在不需投加传统型外加碳源的条件下实现了固相异养与单质硫自养的集成反硝化. 结果表明:进水NO3--N容积负荷为96g/(m3·d)时,系统NO3--N总去除率达到99.0%,第1系统和第2系统对NO3--N的去除率贡献各为50.0%;系统出水ρ(CODMn)为5.74~10.05mg/L,ρ(SO42-)为405~870mg/L,并且没有NH4+-N和NO2--N的积累. 第1系统产生的碱度能部分中和第2系统内产生的酸,进水、第1系统、第2系统出水pH分别为7.5、7.5~7.6、6.5~7.2,使硫自养反硝化系统呈现出较强的pH平衡能力,不需外加石灰石调节碱度即可为反硝化细菌提供较适宜的中性生存环境. 系统在pH平衡能力和NO3--N去除效果2个方面均表现出良好的协同作用,并且通过集成反硝化作用弥补了2个系统单独运行时反硝化过程效率低的缺点,较传统异养型生物反硝化降低了运行成本.

     

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出版历程
  • 收稿日期:  2013-07-18
  • 修回日期:  2013-11-17
  • 刊出日期:  2014-03-25

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