Akụrụngwa a bụ ọgbọ ọhụrụ nke akụrụngwa nkụnye mmiri nwere ikike nke ụlọ ọrụ anyị mepụtara site na iwebata, igbari na itinye teknụzụ dị elu nke Finland.Ọ nwere uru nke nnukwu ikike nhazi, oke ike ọgwụgwụ (site na 0. - 83% karịa 283-5%) na obere ike oriri.Ọ bụghị naanị na-edozi nsogbu nke ihe na-agba ọsọ mgbe omenala nkịtị okpukpu abụọ ntupu nzacha pịa dehydrates akụrụngwa, N'otu oge ahụ, ọ na-edozi nsogbu nke ala ihe nrụgide na ma nsọtụ nke net.N'ihi na ọhụrụ nlereanya nwere a pre dewatering net, eke ike ndọda dewatering ebe sludge na-agbatịkwu, Ịntanetị adịghị squeezed, na ntupu adịghị mfe na-egbochi site eriri na sludge.