fgd flue gas desulfurization
FGD, ko FGD, tarin fasahohi ne da ake amfani da su don cire sulfur dioxide (SO2) daga hayakin hayaki da tashoshin wutar lantarki ke samarwa. Babban aikin FGD shine sarrafa tasirin muhalli na fitar da SO2 saboda gudummawarsu ga ruwan sama mai acid da matsalolin kiwon lafiya. Abubuwan fasaha na tsarin FGD sun bambanta amma yawanci sun haɗa da tsabtace rigar, bushewa, ko ruwa na teku don karɓar SO2. Wadannan tsarin sau da yawa suna dauke da hasumiyoyin absorber, gypsum dewatering plants da limestone ko wasu na'urorin shirya reagent. Tsarin FGD hanya ce mai tsada don sarrafa hayakin sulfur a tashoshin wutar lantarki na kwal da sauran masana'antu.