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匹配厌氧氨氧化的SHARON工艺启动研究 被引量:3

STUDY ON START-UP OF A SHARON REACTOR MATCHED WITH ANAMMOX PROCESS
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摘要 氧化部分氨氮到亚硝酸氮,然后进行完全自养厌氧氨氧化反应,即称SHARON-ANAMMOX工艺,该工艺是近年开发的针对高浓度氨氮废水生物处理较为经济合理的技术之一。其过程控制的关键是第一步亚硝化(SHARON)工艺积累亚硝酸菌,并使氨氮氧化到亚硝酸氮的转化率控制在50%左右,以最合理满足厌氧氨氧化对底物的需求。在进水pH=7.6,ρ(氨氮)=750 mg/L时顺利启动了SHARON反应器,氨氮的转化率达50%左右。研究结果表明,进一步提高氨氮浓度和进水pH,反应器可以维持稳定运行。 One of the most sustainable and successful technologies developed recently for high concentration ammonium wastewater treatment is well known as SHARON-ANAMMOX process, which partially oxidized ammonium to nitrite and subsequently anammox to nitrogen gas. One of the key points of this process is to accumulate nitrosomas in SHARON reactor and at the same time to control the conversion ratio of nitrite to ammonium around 50% , which meets the requirements for the following ANAMMOX process. At influent pH 7.6, and ammonium nitrogen 750 mg/L, the SHARON reactor was successfully started up, and an about 50% conversion ratio of nitrite to ammonium was also reached. Further investigation indicated that with increasing influant pH and ammonium concentration, the system kept running stable.
作者 钟琼 方丽
出处 《环境工程》 CAS CSCD 北大核心 2012年第4期36-38,共3页 Environmental Engineering
基金 国家自然科学基金项目(50478054) 国际科技合作重点项目(2004DFA06200) 长沙市科技计划重点项目(K051132-72)
关键词 厌氧氨氧化 启动 SHARON反应器 anaerobic ammonium oxidation start-up SHARON reactor
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参考文献10

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