Matsayin dabarun lepidolite don hakar lithium an inganta
Cire lithium daga mica: ci gaban fasaha, zama muhimmin sashi na wadatar albarkatun lithium
Tare da ci gaban fasahar hakar lithium mica da ci gaban fasaha, hakar lithium mica na lithium ya sami nasarar samarwa da yawa, farashin samarwa ya kai matsakaicin farashin masana'antar lithium, kuma samfurin yana da inganci, wanda aka gane ta kasa cathode kayan masana'antun.Lepidolite a hankali ya zama muhimmin sashi na wadatar albarkatun lithium.
Haɓaka lithium mica ya zama buƙatu mai mahimmanci
Dogaro da kasar Sin kan albarkatun lithium ya kai kashi 70%.Ana rarraba albarkatun lithium na duniya a Chile, Ostiraliya da Argentina, kuma yawan albarkatun lithium na kasar Sin ya kai kashi 7% kacal.A sa'i daya kuma, kasar Sin tana da karfin gishirin lithium mai yawa.A shekarar 2020, karfin lithium carbonate da lithium hydroxide ya kai ton 506900 na LCE, kuma karfin gishirin lithium na duniya ya kai ton 785700 na LCE, wanda ya kai kusan kashi 65% na duniya.Don haka, albarkatun lithium na kasar Sin sun dogara sosai kan kasashen waje.Kusan kashi 70% na ma'adinan lithium sun dogara ne da shigo da kaya zuwa ketare, wanda adadin shigo da Ostiraliya ya kai kashi 60%.
Tun daga shekarar 2018, sannu a hankali dangantakar kasar Sin Ostireliya ta tabarbare.A cikin watan Mayun shekarar 2021, hukumar raya kasa da yin kwaskwarima ta kasar ta fitar da sanarwar dakatar da ayyukan karkashin tsarin tarho na kasar Sin Ostireliya tattalin arzikin kasar bisa hadin gwiwar sassan da abin ya shafa na gwamnatin tarayyar Australia, kuma dangantakar kasar Sin Ostireliya ta shiga wani yanayi na zaman dar-dar.
A matsayin ainihin kayan aikin sabon makamashi na lithium, albarkatun lithium, wanda aka fi sani da "farin mai", ya kai ga albarkatun kasa bisa manyan tsare-tsare na kasar Sin tun daga shekarar 2016, kuma gwamnatin kasar tana kiyaye amfani da albarkatun.Domin tinkarar matsalar samar da albarkatun lithium a sakamakon tabarbarewar dangantakar Sin da Australiya, za a iya karfafa karfi da saurin bunkasa albarkatun lithium a cikin gida.
Albarkatun lithium na kasar Sin sun fi tafkunan gishiri, spodumene da lepidolite.Lithium tafkin gishiri ya kai kashi 83, wanda akasari ana rarraba shi a Qinghai da Tibet;Spodumene yana da kashi 15%, galibi ana rarraba shi a Sichuan;Lepidolite yana da kashi 2%, galibi ana rarraba shi a Jiangxi.
Tsarin hakar lithium na lithium mica an ci gaba da ingantawa da haɓakawa
Hanyoyin cire lithium daga lepidolite sun hada da gasasshen lemun tsami, gasasshen sulfuric acid, gasasshen sulfate, gasa chlorination da tafasasshen matsa lamba.
Idan aka kwatanta da spodumene, lepidolite ya fi fuskantar ƙazanta a cikin aikin hako, musamman abubuwan da ke ɗauke da fluorine.Mica yana wanzuwa a cikin nau'i na silicate kuma yana da ɗan ƙaramin tsari.A farkon matakin, yana buƙatar gasasshen zafin jiki mai zafi da magani don sassauta tsarin ɗanyen tama, sannan aiwatar da niƙa na gaba.Bugu da ƙari, a cikin mataki na gaba, sinadarin fluorine yana da sauƙi don samar da hydrofluoric acid a cikin tsarin amsawa, wanda ya lalata kayan aiki, yana haifar da ci gaba da samarwa.
Hanyar gasasshen farar ƙasa ana amfani da ita a farkon matakin cire lithium daga lepidolite.Saboda hadadden tsari na kawar da datti da kuma yawan sharar da ya rage, an kawar da shi a hankali.Akwai buƙatun juriya da yawa don kayan aikin sulfuric acid bayan an karɓi hanyar sulfuric acid, amma juriya na lalata kayan aikin sulfuric acid yana da girma.A halin yanzu, yawancin kamfanoni a yankin Yichun suna amfani da hanyar gasasshen sulfate don samarwa.A mataki na farko, ana amfani da potassium sulfate.Yanzu, ana amfani da sodium sulfate da sodium potassium sulfate a matsayin madadin don ƙara rage farashin samarwa.
Lokacin aikawa: Afrilu-19-2022