fgd kwal
FGD kwal, ko Flue Gas Desulfurization kwal, wakiltar fasaha bidi'a da nufin rage muhalli tasiri na ci. Da farko, yana amfani da kwal mai inganci, babban aikinsa shi ne rage yawan sulfur dioxide da ake fitarwa sa'ad da yake konewa. A cikin waɗannan siffofin muna da waɗannan bushe-bushe, masu shaƙa da kuma tsarin sinadarai masu tasiri, don canza sulfur dioxide zuwa samfurori marasa lahani. Ana amfani da wannan kwal sosai a cikin tashoshin wutar lantarki da manyan tashoshin harin kasuwanci inda maida hankali kan sulfur matsala ce ta gaske. Yin amfani da kwal mai saurin gudu zai ba da damar samar da wutar lantarki, samar da karafa da kuma mai mai tsabta don maye gurbin hanyoyin gargajiya kamar kwal.