大坦沙污水厂承接粪便污水的脱氮除磷研究

大坦沙污水厂承接粪便污水的脱氮除磷研究第2卷第12期环境工程学报V01．2，N。．121Q旦!至!兰旦。垦垫i翌!塑』竺竺些圣里!i翌翌堡皇翌望!垦竖i坠竺!i望g旦!!：三Q壁墨大坦沙污水厂承接粪便污水的脱氮除磷研究余建恒1’2周少奇h曾武1(1．华南理工大学环境科学与工程学院，广州510006；2．广州市大坦沙污水处理厂，广州510163)摘要广州市大坦沙污水处理厂采用A2／O工艺，合并处理城市生活污水和粪便污水，由于粪便污水的污染物含量高和水最不稳定等特点，对水厂的运行有不利的影响。实践表明：通过控制好氧池溶解氧、延长好氧段的水力停留时间、增大回流比和提高MLSS与污泥龄等措施，该厂取得较好的脱氮除磷效果，实现出水COD、总氮、氨氮和总磷达标排放。关键词A2／O工艺粪便污水脱氮除磷城市污水厂中图分类号X703．1文献标识码A文章编号1673-9108(2008)12-1605-04BiologicalnutrientremovalforcombinetreatfecalsewageinDatanshaSewageTreatmentPlantYuJianhen91·2ZhouShaoqilZengWul(1．CollegeofEnvironmentalScience＆Engineering．SouthChinaUniversityofTechnology，Guagnzhou510006；2．DatanshaSewageTreatmentPlantinGuangzhou，Guangzhou510163)AbstractTheA2／OprocessusedtotreaturbansewagecombinedwiththefecalsewagewasinvestigatedinDatanshaSewageTreatmentPlantinGuangzhou．Fecalsewagecontainedhigherconcentrationofcontaminantsandnon—steadyinfluentflowandthusbroughtaboutunfavorableinfluencetotheoperationofthisplant．Thepracticalresultsshowedthatthebetterefficiencycanbeachievedthroug