528200。TU992B10004602201112002704SeveralProblemsNeedingAttentioninProcessDesignandEquipmentSelectioninWWTPLILing-yunNanhaiDevelopmentCoLtdFoshan528200ChinaAbstractTheprocessdesignandequipmentselectioninWWTPsusingdifferenttypesofproces-seswereanalyzedCombinedwiththeactualoperationinWWTPseveralproblemsneedingattentioninprocessdesignandequipmentselectioninWWTPweresummarizedandthedesignwasoptimizedKeywordsWWTPprocessdesignequipmentselectionoptimization。1、。。1。200%03m/s。1Fig1Designformofpropellercombiningwithblender。、。。·72·271220116CHINAWATERWASTEWATERVol27No12Jun2011。。。2CASTA2/O2、、。、、。。。2。。。2Fig2Circulatingdesignofanaerobictank3。10104m3/dA2/O2、4。22244。。。092m3/m2·h117m3/m2·h。。、。2。2441。。。4UNITANKDO。5104m3/dUNITANK。65~68Hz。UNITANK·82·2712。1。。。UNITANK。42。42。。6142970r/min。UNITANKCAST、、A2/O。5。。。。。。“”。。。。。。。5。。6《》GB50014—200620%~100%。25%~50%。MLSS·92·。MLSS1500~3000mg/L8000~12000mg/L35%35%。50%。25%。35%MLSS。7CAST17~20m。。15~18。45min5~8min。。。。CAST。CAST。。。CAST。8①03m/s。②。③。④UNITANKUNITANK。UNITANK。⑤35%。⑥CAST。1J20102612141142Emaillyli80@126com20101110·03·2712