Zosungunulira zinyalala (monga PR, NMP, PMA, ndi zina zotero) zopangidwa ndi utoto, inki, utoto wa nsalu, ndi mafuta a nsalu zimapangidwa ndi zipangizo zokonzanso pansi pa zochitika zina kuti zipeze zinthu zosungunulira. Zinthuzi zimagwiritsidwa ntchito makamaka ngati zosungunulira inki, utoto, inki, utoto wa nsalu, ndi mafuta a nsalu, komanso zotsukira popanga ziwonetsero zamadzimadzi a kristalo.
Kuyambitsa ukadaulo ndi zida za Ogano Company, kampani yolembetsedwa ku Japan yokhala ndi zaka zoposa 70 zogwira ntchito yokonza madzi, pogwiritsa ntchito njira yochepetsera acid-base, precipitation ya mankhwala, Fenton oxidation, pressurized air flotation, anaerobic hydrolysis, ndi IC internal circulation anaerobic oxygen reaction, contact oxidation, activated carbon adsorption ndi njira zina zokonzera madzi otayira zimathandiza kampaniyo kukhala ndi zida zonse zokhudzana ndi zida, ukadaulo ndi luso lokonzanso ndikuchiza zakumwa zotayira zachilengedwe zokhala ndi kuchuluka kwakukulu, zakumwa zotayira zokhala ndi fluorine, zinyalala za acid ndi zinyalala za alkali, zinyalala zokhala ndi mkuwa ndi madzi ena otayira a mafakitale ndi zinyalala zapakhomo. Mphamvu yokonza zinyalala zosiyanasiyana tsiku lililonse imatha kufika matani oposa 100. Madzi obwezeretsedwanso omwe akonzedwa amatha kugwiritsidwanso ntchito ngati madzi otsukira m'malo opangira zinthu komanso kubiriwira kwa fakitale, zomwe zimapangitsa kuti zinthu zigwiritsidwe ntchito bwino.