Madzi otayira a malasha
Makampani opanga malasha amagwiritsa ntchito malasha ngati zinthu zopangira kutembenuza ndikugwiritsa ntchito, ndipo madzi otayira oyenera amakhudza zinthu zitatu: coking madzi onyansa, madzi otayira a malasha ndi madzi onyansa a malasha. Zigawo zamtundu wamadzi onyansa ndizovuta, makamaka zomwe zili ndi COD, ammonia nitrogen, phenolic zinthu, ndipo nthawi yomweyo zimakhala ndi fluoride, thiocyanide ndi zinthu zina zapoizoni. Makampani opanga mankhwala a malasha amamwa madzi ambiri, komanso kuchuluka kwa zowononga madzi oyipa. Kukula kwakukulu komanso kofulumira kwamakampani amafuta a malasha kwabweretsa mavuto akulu azachilengedwe, ndipo kusowa kwaukadaulo wowongolera madzi akuwonongeka kwakhala chinthu chofunikira kwambiri cholepheretsa kupita patsogolo.
