【摘 要】
：
焦化废水脱氮技术有物理化学法、生物化学法等.生物化学法是较为经济、实效、无污染转移、操作简便易掌握的典型工艺技术.生物脱氮是利用微生物的生物化学作用,将废水中的氨
【机 构】
：
石家庄市桥西污水处理厂,河北石家庄,050091
论文部分内容阅读
焦化废水脱氮技术有物理化学法、生物化学法等.生物化学法是较为经济、实效、无污染转移、操作简便易掌握的典型工艺技术.生物脱氮是利用微生物的生物化学作用,将废水中的氨氮经硝化和反硝化反应,转变成为无害的氮气而除去.目前,国内焦化废水处理采用的生物化学脱氮工艺的主要流程有“缺氧一好氧(A—O)”法,以及在此工艺基础上开发的“厌氧-缺氧-好氧(A—A—O)”法.此外,“缺氧-好氧-好氧(A—O—O)”法也是“A-O”工艺的延伸,同属于以“缺氧-好氧”为基本流程的生物脱氮工艺.
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