Kayayyaki
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Saye & Sake yin amfani da Sharar Karfe da aka Watse
UrbanMins'Masu bincike na fasaha sun mai da hankali kan tarwatsa karafa a cikin sharar gida kuma suna binciken rarraba ma'adanai, kwararar kayan aiki, da fasahar sake yin amfani da su na tarwatsa karafa daga ma'adanai zuwa sharar gida.Musamman, don fasahar sake yin amfani da su, wasu hanyoyin wakilci ciki har da zaɓaɓɓen hakar, musayar ion da flotation, hazo da fasahar ƙarfe na ƙarfe da sauransu, takamaiman hanyoyin, reagent, ingantawa da sake amfani da karafa da aka tarwatsa an taƙaita su a cikin bita.
