rage haɓakar haɓakawa
Fasahar rage gurbacewar iska ta hanyar katala na daya daga cikin hanyoyin canza hayakin da aka fitar daga abubuwan da ke cutarwa zuwa abubuwan da ke da karancin gurbatawa ga yanayi. Babban ayyukanta sune rage nitrogen oxides (NOx) da rage fitar da carbon monoxide (CO); wadannan biyu sune manyan hanyoyin gurbatar iska, kuma suna haifar da ruwan acid. Fasahar da ke cikin rage gurbatawa ta katala ta hada da amfani da katala; sel din mai, a tsakiyar tsarin da kuma takamaiman nau'in da ya yi nasara a cikin 'yan shekarun nan, ana amfani da shi ko kuma an yi shi daga abubuwa kamar platinum, palladium, rhodium da azurfa. Saboda amfani da wannan katala na karfe, rage gurbatawa ta katala ana amfani da ita sosai a cikin kula da fitar da hayaki daga motoci da kuma samar da wutar lantarki (yawancin tashoshin wutar yanzu suna amfani da SCR). An hade tare da tsarin tsaftace gurbataccen iska da ke akwai; za a iya amfani da ita don tara karafa fiye da PV panels. Kuma ta hanyar canza gurbataccen iska zuwa irin wadannan gawayi masu lafiya kamar nitrogen da carbon dioxide, tana taimakawa wajen bin ka'idojin ingancin iska da rage tasirin masana'antu akan muhalli. Don haka, bari mu tafi mu more nonon duniya mai iyaka.