Active carbon adsorption dehydration catalytic ƙonawa na'ura
A karkashin aikin mai haɓaka, yana sa hydrocarbons a cikin iskar gas ta ƙwayoyin halitta su zama ruwa da carbon dioxide da sauri a ƙananan yanayin zafi don cimma manufofin gudanarwa. Hanyar ƙonawa ta hanyar sarrafa iskar gas ta masana'antu fasaha ce da ta fito a ƙarshen shekarun 1940.

Daga 1949 da Amurka ta samar da na'urar ƙonawa ta farko a duniya zuwa yanzu, an yi amfani da wannan fasahar sosai a fannoni kamar fenti, roba, filastik, resin, fata, abinci da kuma masana'antar gyara, kuma ana amfani da shi don tsabtace gas na mota. A 1973, kasar Sin ta fara amfani da hanyar ƙonawa ta hanyar sarrafawa don sarrafa iskar gas mai fitarwa daga murhun bushewa na layin rufi, kuma daga baya an yi bincike a cikin kayan rufi, masana'antar bugawa, da sauransu, don yin amfani da hanyar ƙonawa ta hanyar sarrafawa sosai.