Ihe mkpuchi drum na-arụ ọrụ na usoro ịgba drum na-agbanwe agbanwe iji nweta mmetụta ọgwụgwọ siri ike dị elu.
A na-echekwa ego ala, ihe owuwu na ọrụ niile n'ihi na igwe a na-ewe obere ohere ala ya site na nhazi ya dị mfe, obere ihe achọrọ maka ịrụ ọrụ na-akpaghị aka kpamkpam.

N'ihi ya, slurry ahụ na-agbaze. Ike nhazi nke ihe mkpuchi sludge drum anyị na-agbanwe agbanwe na-aka mma, oge ọrụ na-ebelatakwa. Sludge nke kewapụrụ iche nwere ike ibelata ibu nke eriri maka mmiri na-abanye n'ime mmiri nke ukwuu. Ka ọ dị ugbu a, a na-ewu otu sludge ahụ nke ọma. Ọ dịghị ihe ga-eme ka mmiri ghara ịfefe ma ọ bụ ihe na-asọfe n'akụkụ. Mgbe ahụ, a na-eme ka arụmọrụ mmiri ghara ịgwụ ike, a na-ebelatakwa ọnụego mmiri. Mgbe nkewachara, ọdịnaya siri ike nke mmiri efu dị iche site na 0.5 ruo 1, nke jikọtara ya na dose na ụdị polymer ahụ.

Ihe mkpuchi drum rotary semi-centrifugal nwere ike ịcha mmiri efu site na ike mpụga. O nwere ihe dị elu achọrọ maka polima na ike njikọ nke sludge. Ma e jiri ya tụnyere igwe na-eme ka eriri sie ike, ihe mkpuchi drum rotary anyị nwere ike inye sludge siri ike nwere obere ọdịnaya mmiri. Sludge nwere ọdịnaya mmiri karịrị 1.5% bụ nhọrọ ka mma.