flue gas desulphurisation fgd
Tsarin Rage Sulfur Dioxide na Hayaki (FGD) wani tsari ne na ra'ayoyi da fasahohi da aka fi amfani da su wajen cire sulfur dioxide (SO2) daga hayakin da ke fita daga tashoshin wutar lantarki da ke amfani da mai. Babban aikin FGD shine rage yawan SO2 da ake fitarwa cikin iska, ta haka yana rage ruwan asid da kuma kaucewa lalacewar ƙasa, tsarin ruwa, gine-gine da tsarin numfashi na mutum. Tsarin FGD yana cike da sabbin fasaloli ciki har da amfani da lime ko dutsen limestone a matsayin abubuwan shan hayaki, wanda, lokacin da ya haɗu da SO2, yana samar da gypsum — wani kayan gini mai amfani. Tsarin FGD yawanci yana ƙunshe da turakun shan hayaki inda ake tsabtace hayakin da ke zafi da danshi. Hayakin da aka tsabtace daga bisani yana fita cikin bututun gidan tukunyar don haɗuwa da iska. Waɗannan tsarin suna da matuƙar muhimmanci a irin waɗannan aikace-aikacen kamar tashoshin wutar lantarki da ke amfani da kwal, inda fitar SO2 ba kawai haɗari bane amma kuma ana duba shi sosai ta hukumomin kula da muhalli.