A na-ekewa ụzọ ịsa kol n'ụdị mmiri mmiri na ụdị akọrọ. Mmiri mkpofu ịsa kol bụ ihe na-esi na mmiri apụta n'usoro ịsa kol. N'oge usoro a, mmiri achọrọ maka tọn kol ọ bụla dị site na 2m3 ruo 8m3.

Mmiri mkpofu a na-emepụta n'oge a nwere ike ịnọgide na-enweghị ntụpọ ọbụlagodi ma ọ bụrụ na a hapụ ya ka ọ nọrọ ruo ọtụtụ ọnwa. A na-awụpụ nnukwu mmiri mkpofu nke na-asa kol n'erughi ọkwa achọrọ, nke na-ebute mmetọ mmiri, mkpọchi ọwa mmiri, na mmebi gburugburu ebe obibi.

HaiBar Belt Myọcha Pịa
Site n'ịkwado ọtụtụ nnukwu ụlọ ọrụ kol, HaiBar ewepụtala igwe nzacha eriri maka inyocha ojiji injinia nke ma mmiri mkpofu nke na-asacha kol na mmiri mkpofu nke slime. Nsonaazụ ya na-egosi na igwe nzacha eriri maka mmiri mkpofu slime bụ nke teknụzụ kachasị ọhụrụ, ikike nhazi dị ukwuu, nzacha limpid, obere ọdịnaya mmiri nke achịcha nzacha, na sistemụ mmiri mechiri emechi maka ịsa kol, tinyere ihe ndị ọzọ.

Ụlọ ọrụ kol dị na Anhui Province na-eji usoro ọgwụgwọ "cyclone-slime sedimentation tank-filter press". N'ihi ya, sludge e mepụtara nwere ụfọdụ ihe siri ike siri ike, nke nwere ike imebi ákwà nzacha ahụ ngwa ngwa. N'ịtụle njirimara sludge a, ụlọ ọrụ anyị na-ahọrọ ákwà nzacha dị elu ma na-eguzogide iyi. Ọtụtụ ndị nrụpụta zụtara ngwaahịa anyị iji dochie igwe nzacha ụlọ mbụ ma ọ bụ igwe nzacha efere na etiti, mgbe ha gara ebe ọrụ akụrụngwa anyị.

Akpa N'ebe ahụ
1. Na June, 2007, Huainan Xieqiao Coal Company dị na Anhui Province nyere iwu ka e jiri eriri HTB-2000 usoro abụọ mee ihe nzacha.
2. Na Julaị, 2008, Huainan Xieqiao Coal Company dị na Anhui Province zụtara igwe nzacha eriri HTB-1500L abụọ.
3. Na Julaị, 2011, Hangzhou Environmental Protection Academy of China Coal Science Research Institute nyere iwu ka e jiri otu HTBH-1000 series filter print.
4. Na Febụwarị, 2013, e zigara otu igwe nzacha eriri HTE3-1500 usoro na mba Turkey.