POLISHING CHEMICAL PRIMARY TREATMENT EFFLUENT WITH ONLY A TRICKLING FILTER

Abstract

POLISHING CHEMICAL PRIMARY TREATMENT EFFLUENT WITH ONLY A TRICKLING FILTERThe North end WWTP in Tacoma, WA, was initially designed as a standard primary plant but was converted to a chemical primary treatment plant using alum and polymer plus fly ash for precipitation of TSS and associated BOD5 in the early 80's. After extensive testing to improve the performance it was converted to just alum and polymer treatment in 1985. In 1992 the City of Tacoma entered into an...Author(s)Orris E. AlbertsonSteve GilbertEric JohnsonH. David StenselSourceProceedings of the Water Environment FederationSubjectSession 22 - Municipal Wastewater Treatment Symposium: Fixed Film Treatment ProcessesDocument typeConference PaperPublisherWater Environment FederationPrint publication date Jan, 2000ISSN1938-6478SICI1938-6478(20000101)2000:12L.64;1-DOI10.2175/193864700784608315Volume / Issue2000 / 12Content sourceWEFTECFirst / last page(s)64 - 88Copyright2000Word count236