thefacultativeaerationpondsetsreturnpiping.Watercirculatingandthebackflowdilutionratiois100%.IFsalsohasthecharacteristicsofoxidationditch・Andithasabilityofnitrogenandphosphorusonthebasisofsewagereachingtheeffluentstandard・ThisdesignwithQijiTowndomesticsewageasthetreatmentobject.Thecapacityofsewagetreatment300m3/d.SystemfortheremovalrateofCODandBOD5canrcachmorethan90%.TheremovalrateofNH3-Ncanreachmorethan83%.Thedesignofthissystembreakthroughthecontradictionbetweentheeconomyandtechnology,whichisexistinconstructionprocessofdomesticsewagetreatmentfacilities.Makefulluseoftheruralrichlandresourcesandreducetheinfrastructureandoperatingcosts.Italsohasthecharacteristicsofsimple,efficientandstableatthesametime,andcanprovidethereferencefortheactualproductionandoperationoftheprocessinothersimilarareas
全文预览
