咸阳某污水处理厂CASS工艺运行参数优化_郭金鑫

咸阳某污水处理厂CASS工艺运行参数优化_郭金鑫咸阳某污水处理厂CASS工艺运行参数优化郭金鑫，孙根行，狄倩（陕西科技大学资源与环境学院，陕西西安710021）［摘要］针对污水处理厂CASS工艺处理城市污水过程中COD、BOD5、SS、NH3-N去除率较高，但TN、TP去除效果不佳的情况，优化调整了CASS工艺运行参数。调整后COD、BOD5、SS、TN、NH3-N、TP的去除率分别为94.2%、88.6%、93.7%、69.9%、96.8%、78.4%，各项出水指标均达到《城镇污水处理厂污染物排放标准》（GB18918—2002）一级B标准。［关键词］CASS；污水处理；城市污水［中图分类号］X703.1；TU992［文献标识码］B［文章编号］1005-829X（2014）03-0087-04OptimizationofCASSprocessingoperatingparametersinasewagetreatmentplantinXianyangGuoJinxin，SunGenxing，DiQian（CollegeofNaturalResourceandEnvironment，ShaanxiUniversityofScience&Technology，Xi’an710021，China）Abstract：AimingatthefactthatinthecourseoftreatingurbansewagebyCASSprocess，theremovingeffectsofCOD，BOD5，SS，NH3-Narehigh，butremovingeffectsofTNandTParenotgood，theoperatingparametersofCASSprocesshavebeenoptimizedandadjusted.Aftertheadjustment，theremovingratesofCOD，BOD5，SS，TN，NH3-NandTPare94.2%，88.6%，93.7%，69.9%，96.8%，and78.4%，respectively.Everyeffluentindexcanmeetthere-quirementsoflevelBinclassⅠofDischargeStandardofPollutantsfromUrbanSewageTrea