Mmiri mmiri na-adịghị na kemịkal
Ụlọ ọrụ kemịkalụ na-enweta coal na-eji coal dị ka akụrụngwa maka ntụgharị na itinye ya n'ọrụ, na mmiri mkpofu dị mkpa gụnyere akụkụ atọ: ịkwanye mmiri mkpofu, ikuku gas na-ekpofu ọkụ na mmiri mkpofu coal. Akụkụ dị mma nke mmiri mkpofu dị mgbagwoju anya, ọkachasị ọdịnaya COD, amonia nitrogen, ihe phenolic, yana n'otu oge nwere fluoride, thiocyanide na ihe ndị ọzọ na-egbu egbu. Ụlọ ọrụ kemịkalụ coal nwere oke mmiri na-eri, yana nnukwu ihe mmetọ mmiri na-asọ oyi. Mmụba dị ukwuu na ngwa ngwa nke ụlọ ọrụ kemịkalụ coal ewetala nnukwu nsogbu gburugburu ebe obibi, na enweghị teknụzụ ọgwụgwọ mmiri dị mkpa abụrụla ihe dị mkpa na-egbochi mmepe n'ihu.
