改良型Orbal氧化沟在康定县污水处理厂中的应用

30Vol.35No.42009Orbal邓荣森1李良富1王涛1白华清2李德春1苏春生1张会朋2(1,400045;2,610081)以荷兰政府赠款项目康定县城市污水处理厂为例,介绍了改良型Orbal氧化沟工艺,阐述了该工艺的特点主要构筑物的设计参数技术经济指标以及在康定高海拔低温低碳源条件下污水处理厂的一些运行经验等Orbal氧化沟工艺设计运行经验ApplicationofimprovedOrbaloxidationditchinKangdingWastewaterTreatmentPlantDengRongsen1,LiLiangfu1,WangTao1,BaiHuaqing2,LiDechun1,SuChunsheng1,ZhangHuipeng2(1KeyLabofThreeGorgesReservoirRegionsEcoEnvironment,MinistryofEducation,ChongqingUniversity,Chongqing400045,China;2SouthwestMunicipalEngineeringDesign&ResearchInstituteofChina,Chengdu610081,China)Abstract:TakingKangdingWastewaterTreatmentPlantwhichgrantedbytheNetherlandsgovernmentasacasestudy,theimprovedOrbaloxidationditchprocessisintroduced,whichin-cludesthetechnologyfeatures,themaindesignparametersofthestructure,thetechnicalandeco-nomicindicatorsaswellassomeoperationalexperiencesofthewastewatertreatmentplantintheconditionofhighaltitude,lowtemperature,andlowcarbonsourcesinKangdingKeywords:Orbaloxidationditch;Technologicaldesign;Operationalexperience1,,,,,,,,7.5,815.7mm,Orbal,;1m3/d,2m3/d2,1OrbalOrbal,Orbal:3,;,Vol.35No.42009311,,;532012,[1],Orbal:,Orbal[2];Orbal,5.9m,33.1,,(GB189182002)B(1),,50%1/mg/L/mg/L/%BOD51602087.5CODCr3506082.8SS2202090.9NH3N30873.3TN452055.6TP41.562.53.23.2.1JSHG900,20mm;JSHF900,5mm;JSCS1080,JSSF2603.2.21m3/d,1Orbal22Orbal3.2.2.1[3],3,1m3/d,HRT1.7h,723m33.2.2.2OrbalOrbal3,,4.0m3.1m2.1m,5.9m,6.55m,,CODCrBOD5NH3NTNOrbal2,,2OrbalHRT/h13/m35382/kgBOD5/(kgMLSSd)0.065~0.10/g/L4.5/d17/%50~100DO/mg/L0~0.5DO/mg/L0.5~1.0DO/mg/L2.032Vol.35No.420093.2.3,,,,,HRT2h,1.2m3/(m2h),50%~100%4,,,33/m2/m30.65/kWh/m30.252//m31.27//m30.765,,4:SRT=20d,50%,0.04kgBOD5/(kgMLSSd),DO=0~0.5mg/L,DO=1.0~1.5mg/L,DO=1.5~3.0mg/L4CODCrBOD5SSNH3NTNTP/mg/L109~16468.4~83.022.0~53.211.7~17.016.2~24.01.23~2.30/mg/L20.8~31.69.8~14.91.3~8.33.1~5.95.4~10.10.31~1.00:13.5~14.5,60%6(1)Orbal,(2),,,,,,,,,,,(3),,,0.31~1.0mg/L(4)OrbalOrbal012,,:,;,1,30minDO00.5mg/LDO(5),,,,60%,,30%~50%(6),Vol.35No.4200933BL水循环处理工艺在三峡库区小城镇污水处理中的应用栗心国丁德才黄征羽莫孝翠(,430071)以三峡库区水田坝乡污水处理厂的工程设计为例,介绍了BL水循环处理工艺的特点主要设计参数技术经济指标等该工艺具有占地面积小造价和运行费用低污染物去除效率高等优点,适合在三峡库区相似规模的小城镇中推广应用BL水循环处理工艺小城镇污水处理三峡库区0,,,,,,,,2010103902100m3/d,BL1BL,,,,BOD5,5,16,,,,,20;0.04kgBOD5/(kgMLSSd),(7)0,7Orbal,,,,,,参考文献1..:,20062,..:,19983,.-.:,2000&:13508343265Email:[e-mail]:20081112