间歇曝气短程硝化控制新途径的初步试验研究_张辉

间歇曝气短程硝化控制新途径的初步试验研究_张辉新疆环境保护2005,27(4):28～32EnvironmentalProtectionofXinjiang间歇曝气短程硝化控制新途径的初步试验研究张辉,白向玉,李敬,路平(中国矿业大学环境与测绘学院,江苏徐州221008)摘要:采用SBR,以间歇曝气的方式控制短程硝化,分别研究了在限制曝气量和不限制曝气量条件下,亚硝酸盐的积累情况。试验表明,间歇曝气可以作为短程硝化的控制条件,在一定条件下,亚硝化率可达到90%以上。限制曝气量时,在低DO情况下,采用间歇曝气控制短程硝化更为有效、经济。关键词:间歇曝气;短程硝化;控制途径;曝气量;SBR中图分类号:X703文献标识码:A文章编号:1008-2301(2005)04-0028-05StudyonaNewWayofShortcutNitrificationwithIntermittentAeration.ZHANGHui,BAIXiang-yu,LI-Jing,LU-ping(CollegeofEnvironmentalandSpatialScienceCUMT,JiangsuXuzhou221008,china).En-vironmentalprotectionofXinjlang2005,27(4):28-32Abstract:InuseofaSBRreactor,wecontroltheprocessofnitrificationwithinnitritebythewayofintermittentaeration,studytheaccumulationofnitriteonconditionsoflimitedoxygenandnon-limitedoxygen.Theexper-imentindicatesintermittentaerationisawaytocontrolshortcutnitrification.Incertaincondition,theratioofnitriteaccumulatingcanreach90%.WhenconfiningthequantityofaerationwhichleadtoaconditionoflowDO,It'saefficientandeconomicalwaytocontrolshortcutnitr