Wadatacce
Jagora (Pb) wani ƙarfe ne mai taushi, mai ɗorewa da ƙyalli na teburin lokaci -lokaci da ke cikin yanayi.
Daga ina ake samo ta?
Yawancin wannan ƙarfe ana haƙa shi a ƙarƙashin ƙasa. Koyaya, wannan baya cikin yanayin sa, don haka akwai fiye da ƙarfe 60 waɗanda zasu iya ƙunsar gubar, amma akwai ƙarfe uku kawai waɗanda ake amfani da su don fitar da gubar: galena, cerussite da anglesite. A ƙarshe, yana da mahimmanci a ambaci cewa babban amfani da gubar shine kera batir mai caji.
Ma'adinin da aka fi samun gubar da shi shine galena, inda ake samunsa a matsayin sulfide. Don haka, wannan ma'adinai ya ƙunshi gubar 85% kuma sauran shine sulfur. Akwai ajiyar galena a cikin Jamus, Mexico, Amurka, Spain da Australia.
Ana amfani da murhu don fitar da gubar daga galena, inda ake ƙera ma'adinin kuma ana rage oxide har sai an canza sashi na gubar zuwa oxide da sulfate.
Idan gubar da aka hura a cikin tanderu ta hanyar calcination a cikin wannan tsari, ana fitar da gurɓatattun abubuwa da yawa: bismuth, arsenic, cadmium, jan ƙarfe, azurfa, zinariya da zinc. Bayan samun narkakken taro a cikin tanderun da ke karɓar sunan murhuwar murhu tare da iska, sulfur da tururi, waɗannan suna sarrafa oxidize ƙarfe ban da zinare, azurfa da bismuth. Sauran abubuwan gurɓataccen iska waɗanda ke shawagi kamar sharar gida ana cire su daga aikin.
Menene ƙari:
- Daga ina ake hako man?
- Daga ina ake samun aluminium?
- Daga ina ake ciro ƙarfe?
- Daga ina ake samun jan ƙarfe?
- Daga ina ake samun zinariyar?
Gubar tacewa
Gabaɗaya ana amfani da Pine, lemun tsami, xanthate da man alum. Ana amfani da limestone ko baƙin ƙarfe a tsarin yin burodi. Wannan yana inganta tsarin yin burodi.
Maimaitawa
Duk da haka, ba duk gubar da ta fito daga hakar ma'adinai ba. Kashi 50% ne kawai na samun gubar ake samu daga can; sauran 50% sun fito ne daga sake amfani da abubuwan tara motoci (batura).
