Igwe ihe na-agbagharị agbagharị nke ọkara-centrifugal nwere ike nyochaa mmiri efu site na ike mpụga.Ọ nwere nnukwu ihe achọrọ maka polymer na ike njikọ nke sludge.N'iji ya tụnyere igwe na-eme ka eriri eriri, igwe na-agbapụta rotary drum sludge thickener nwere ike inye sludge gbara ọkpụrụkpụ na ọdịnaya mmiri dị ala.Ihe sludge na ọdịnaya mmiri ya karịrị 1.5% bụ nhọrọ ka mma.
