:2009-12-08:崔绍波(1979-),男,硕士研究生,助理工程师,现从事环境影响评价、环境工程工作.CAST 1 2 1 1( 1, 010010; 2, 030024):CAST,,。:;CAST;;;:X505:A:1007-0370(2009)06-0156-05THEPROBLEMANDCOUNTERMEASURESONTHETESTANDOPERATIONOFCASTPROCESSCUIShaobo1 CHANGJiang2 LINHao1 MAHeting1( 1InnerMongoliaAcademyofEnvironmentalSciences,Hohhot 010010; 2TaiYuanUniversityofTechnology,ShanXi 030024) Abstract:CASTprocessofShuozhouwastewatertreatmentplantisappliedinmunicipalwastewatertreatment,Thisexperimentstud-iedactivatedsludgecultureofCASTprocess.Theexperimentfoundtheproblemofwastewatertreatmentplantandgivesomesuggestions.Keywords:WastewaterTreatmentPlant;CyclicActivatedSludgeTechnology;nitrification;denitrification;sludgeage ,。。,:①、、、,;②,;③,,。,1。4m3/d,,,,,,、、,,。—156— 21 6 2009121 1 CASTCASTSBR,,10%,(20%),、。,,,,。,,,,。,。,,CAST。。,。CAST,,。2 CAST4,40.3×24×6.9m,40.3×24×6m,20%。0.10~0.20kgBOD5/(kgmlvss·d)。4000mg/L,15d。1 、CODBOD5SSNH3-N(P)≤400≤150≤200≤25≤3150~40080~22080~50020~503~14≤60≤20≤20≤15≤1≤40≤20≤20≤15≤13 CAST3.1 泡沫、污泥发黑并且曝气池伴有臭味,。,:。、。,CAST。,,。。,,,,,—157—CAST 。,,。(2、3),2~3。,MLSS1000mg/L,。2 3 ,DO。,2mg/L,。4#,,2#。,,。3.2 泥龄增大、(MLSS)。,,,,,,。,,,,,,。。16~24,,,,15d20d。,,。3.3 氨氮去除率过低CAST。,、,,。NO3-N,,CAST,0~2mg/L,50%,30%1mg/L,20%2mg/L,,,,(),,,,,。CAST,/,,,CAST/,,,。/,,,,(0.2~0.5mg/L),,(2~3mg/L)。—158— 21 6 2009124 5 6 ,MLSS3500mg/L(),8000mg/L(),,、PH,2.52mg/L,4,15mg/L,,。2mg/L,,,,,。,,4.0,4.02.0mg/L,,,,。5、6,814,4,,822。3.4 CAST工艺主要设备维护与管理3.4.1 ,。、、、,,。。,,。,CASTSBR,,5mm,。3.4.2 ,,。,,,。,。3.4.3 、,。、、、,,。7。、。—159—CAST 7 3.4.4 CAST CAST、、,、、、()。,,,。,4-20mA,,CRT。PLC,。4 4.1 CAST,。3500-4000mg/L,DO,、。4.2 CAST,,,。,、,。[1]张自杰主编.排水工程(第四版)〔M〕.北京:中国建筑工业出版社,2000.[2]张自杰主编.废水处理理论与设计〔M〕.北京:中国建筑工业出版社,2003.[3]陈克玲,詹键.CAST工艺处理城市污水原理及设计〔J〕.环境科学与技术,2004,27(4):71-73.[4]陶冶.活性污泥系统的运行控制〔J〕.河南化工,2002,(11):37-38.[5]林英姿,田大伟,祝伟星,等.长春西郊污水厂A/O工艺的调试运行〔J〕.中国给排水,2005,21(11):101-103—160— 21 6 200912