微氧条件下煤气化废水脱氮途径及机理_张雷
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2020-01-11 10:51:20
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化 工 进 展 CHEMICAL INDUSTRY AND ENGINEERING PROGRESS 2011年第30卷增刊檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿檿殨殨殨殨研究开发微氧条件下煤气化废水脱氮途径及机理张 雷1,钱大益1,陈凯华2,潘建通2(1北京科技大学土木与环境工程学院,北京100083;2北京博汇特环保科技有限公司,北京100102)摘 要:本实验采用微氧生化反应器来处理煤气化废水,水力停留时间控制在80h,生化反应器内溶解氧均控制在(0.40±0.10)mg/L。实现了氨氮99.3%和总氮71.5%的高去除率,本文在此基础上对其脱氮的途径和机理进行分析。关键词:煤气化废水;低溶解氧;同步硝化反硝化;BioDoppNitrogen removal pathway and mechanism of coalgasification wastewater treatment undermicro-aerobic conditionZHANG Lei1,QIAN Dayi1,CHEN Kaihua2,PAN Jiantong2(1School of Civil and Environmental Engineering,University of Science and Technology,Beijing 100083,China;2 Beijing BHT Environ Tech Co.,Led,Beijing 100102,China)Abstract:This study focuses on the wastewater treatment of coal gasification by micro-aerobicbiological reactor.The removal of Nitrogen and total Nitrogen were achieved at 99.3%and71.5%,respectively,under the conditions that HRT was 80hours and DO level was controlledat 0.40±0.10mg/L.The pathway and mechanism of Nitrogen removal were analyzed on thebas
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