Ta yaya darajar ajiyar sukari ta ƙaddara?
Akwai dalilai da yawa don la'akari lokacin yanke shawarar ajiya ta tagulla. Daga cikin dalilai, kamfanoni dole ne a yi la'akari da aji, kayayyaki, an kiyasta farashi, albarkatun gado da sauƙaƙa na mining jan jan jan jan jan karfe jan ƙarfe. A ƙasa itace taƙaitaccen bayyanar da abubuwa da yawa da za a yi la'akari da lokacin da ƙayyade darajar ajiya ta tagulla.
1
Wadanne nau'ikan ajiya na karfe suke a can?
Porphyryryry na ƙarfe ba karamin-ƙasa bane amma muhimmin yanki ne na tagulla saboda ana iya haƙa su akan babban sikeli a low farashi. Yawancin lokaci suna ɗauke da kashi 0.4% zuwa 1% jan ƙarfe da ƙanana da yawa na wasu ƙananan ƙwayoyin cuta kamar yadda Molybdenum, azurfa da zinariya. Porphyryryryryry na yau da kullun suna da girma da kuma fitar da shi ta hanyar buɗe ma'adinai.
Jan karfe-bearing sedime duwatsu sune mahimman adibas na biyu, lissafin kimanin kashi ɗaya cikin huɗu na adon na ƙarfe na duniya.
Sauran nau'ikan adon adon na ƙarfe da aka samo a duniya sun haɗa da:
Adadin murfi na ƙarfi (VMs) adibas sune asalin sulffide na jan karfe da aka kafa ta hanyar hydrothothermal abubuwan da suka faru a cikin yanayin teku.
Zanburin ƙarfe-zinare (ioocg) adibas sune babban darajar girma na jan ƙarfe, zinari da eres.
Muryar SRARN ADDS, magana sosai, ana kafa su ta hanyar ma'adinai ma'adinai da na zahiri wanda ke faruwa yayin da yawancin halaye daban-daban suka zo cikin lamba.
2
Menene matsakaita na ajiya na ƙarfe?
Fasali muhimmin abu ne mai mahimmanci a darajar ajiya ma'adinai kuma shine ingantaccen ma'aunin taro. Yawancin ores na jan ƙarfe sun ƙunshi ƙananan ɓangaren tagulla kawai na ƙarfe da aka ɗaure cikin ma'adinan ma'adinai. Sauran na ORE ne kawai maras so dutse.
Kamfanoni kamfanoni suna gudanar da shirye-shiryen hakowa don fitar da samfuran dutse da ake kira cores. A Core shine lokacin da aka yi nazari don tantance "aji" na ajiya.
Cikakken aji na tagulla ana bayyana shi azaman nauyi na jimlar Deot. Misali, kilo 1000 kilo kilo 1000 na ore ya ƙunshi kilo 300 na ƙarfe ƙarfe tare da sa na 30%. Lokacin da maida hankali na ƙarfe ya yi ƙasa sosai, ana iya bayyana shi cikin sharuddan sassan kowace miliyan. Koyaya, sa aji ne na yau da kullun don jan ƙarfe, da kuma amfani da kamfanoni na saiti ta hanyar hako da kafafun.
Matsakaicin matakin jan ƙarfe na ƙarfe Ore a cikin karni na 21 ba ya ƙasa da 0.6%, da kuma rabo daga ma'adanai na or girma ƙasa ƙasa da 2%.
Ya kamata masu saka jari a hannun jari yakamata su duba kimantawa tare da mai matukar muhimmanci. A lokacin da Kamfanin Binciken ya ba da sanarwar sanarwa, ya kamata masu saka jari ya tabbata cewa don kwatanta shi da zurfin rawar da ke amfani da shi don tantance matakin. Darajar babban aji a zurfin low yafi yawa fiye da darajar mediocre sa a cikin zurfin tushe.
3
Nawa ne kudin jan tagulla?
Mines mafi yawa kuma ma'adinai masu fa'ida suna buɗe-rami, kodayake ma'adinan ruwa na ƙarfe ba su da sabon abu. Abu mafi mahimmanci a cikin rami na bude mina shine hanya kusa da farfajiya.
Kamfanonin ma'adinan suna sha'awar adadin overburden, wanda shine adadin dutsen banza da ƙasa. Dole ne a cire wannan kayan don samun damar amfani da hanya. An ambaci a sama, yana da albarkatun da ke cika abubuwa da yawa, amma saifarta har yanzu tana da darajar tattalin arziki saboda yawan albarkatun ƙasa.
4
Menene nau'ikan ma'adanan ƙarfe?
Akwai nau'ikan ajiya guda biyu daban-daban na karfe: sulfide ess da ores eres. A halin yanzu, tushen da ya fi dacewa da jan ƙarfe ma'adinai na sulfiya, wanda asusun asusun don kimanin 50% na samar da tagulla. Ana sarrafa ess sulfide ta hanyar froth floth don samun jan ƙarfe mai da hankali. Ores mai dauke da tagulla yana iya samar da mai da hankali yana ɗauke da 20% zuwa 30% jan ƙarfe.
Mafi kyawun Chalcocite na iya maida hankali ne na mafi girma aji, kuma tunda Chalcocite bai ƙunshi baƙin ƙarfe ba, abun tagulla a cikin tarin kewayon daga 37% zuwa 40%. Chalcocite an haƙa shi na ƙarni kuma yana ɗaya daga cikin m fa'idoji fa'ida. Dalilin wannan shi ne babban abin da yake da tagulla, da tagulla yana cike da sulfur.
Koyaya, ba matata ce a yau ba. Or or oxide an leaached da acid suluric acid, sakin ma'adinar janurin kai a cikin maganin sulfuri acid da ke ɗauke da maganin jan karfe na jan tagulla. Taya sai a kwace daga tagulla na jan karfe na tagulla (wanda ake kira da Maganin Leachate mai arziki) ta hanyar haɓaka haɓaka da kuma ajiya na lantarki, wanda ya fi tattalin arziƙi fiye da frothation flothation.
Lokaci: Jan-25-2024
