da sulfurization
Sauke sulfur, tsari ne mai mahimmanci don kawar da ƙananan kwayoyin daga mai, gas, masana'antu da ke fitar da dukkan nau'ikan. Da yake manufarta ta musamman ita ce ta magance gurɓatar iska, ta rage yawan iskar sulfur dioxide da ake fitarwa cikin yanayi, wanda shi ne babban dalilin ruwan sama mai ɗauke da acid da kuma ciwon huhu. Fasahar de-sulfurization, ta amfani da hanyoyi daban-daban kamar wanke rigar, allurar busassun kayan maye da ragewa ta hanyar haɓaka don sha da juya sulfur dioxide zuwa mahaɗan marasa lahani. Wadannan tsarin suna da matukar inganci kuma galibi ana saka su a cikin tashoshin wutar lantarki, matatun ruwa ko wasu manyan kayan aiki inda ake kona man fetur mai yawan sulfur. Aikace-aikacen suna da yawa, daga bin ka'idodin muhalli don inganta ingancin iska da lafiyar jama'a.