Udaka olubomvu luyinsalela yemfucuza yezimboni engcolisayo ekhiqizwa yi-bauxite enqubweni yokukhiqiza i-alumina. Lufana nodaka olubomvu, olumnyama noma olumpunga ngenxa yokuqukethwe okuhlukile kwe-iron oxide. Lunokuqukethwe kwamanzi amaningi futhi luqukethe izingxenye eziyingozi njenge-alkali nezinsimbi ezisindayo. Luba yisifo esingapheli esithinta indawo ezungezile. Izingxenye eziyinhloko zodaka olubomvu yi-SiO2, i-Al2O3, i-CaO, i-Fe2O3, njll., futhi luqukethe inani elikhulu lamakhemikhali e-alkali. Inani le-pH lingafinyelela ngaphezu kwe-11, okuyi-alkali kakhulu. Njengoba i-bauxite yezinga eliphezulu yezwe lami iba yincipha, inani lodaka olubomvu olukhishwa ekukhiqizweni kwethani eli-1 le-alumina lingafinyelela amathani ayi-1.5-2.
Ngokusho kwedatha evela kwiNational Bureau of Statistics, umkhiqizo we-alumina waseShayina ngo-2021 uzoba amathani ayizigidi ezingu-77.475, ukwanda konyaka nonyaka okungu-5.0%. Uma kubalwa ngokusekelwe ekukhishweni kwamathani ayi-1.5 odaka olubomvu ngethani ngalinye le-alumina, ukukhishwa kodaka olubomvu ngo-2021 kuphela kuzoba phezulu cishe ngamathani ayizigidi eziyi-100, kanti izinga lokusetshenziswa okuphelele kodaka olubomvu ezweni lakithi lingu-7% kuphela. Ukuqongelela kodaka olubomvu akugcini nje ngokuthatha izinsiza zomhlaba. Uma lungaphathwa kahle, luzoletha nezingozi ezifana nokwehluleka kwedamu ledamu lodaka olubomvu, ukungcola kwenhlabathi namanzi, njll. Ngakho-ke, kuyaphuthuma ukusebenzisa udaka olubomvu kakhulu.
Udaka olubomvu luvame ukuqukethe izinhlobo ezahlukene zezinsimbi eziyigugu, ikakhulukazi okuhlanganisa insimbi, i-aluminium, i-titanium, i-vanadium, njll., ezingaphinde zisetshenziswe njengezinsiza ezingaba khona. Ingxenye enkulu ye-Fe2O3 enqubweni ye-Bayer udaka olubomvu ngokuvamile ingaphezu kuka-30%, okuyiyona ngxenye eyinhloko yamakhemikhali odaka olubomvu. Eminyakeni yamuva nje, i-Huate Company ibilokhu iqhuba ucwaningo nocwaningo ngokuhlukaniswa kodaka olubomvu, futhi ithuthukise isethi ephelele yobuchwepheshe bokuhlukanisa udaka olubomvu insimbi nempuphu ecolekileyo. , 40% kuya ku-50% wamaminerali ensimbi odakeni olubomvu angatholakala ngenqubo yokuzuza amandla kazibuthe ebuthakathaka kanye nezinqubo ezimbili ezinamandla zamagnetic, futhi izicelo ezinkulu zezimboni zenziwe eShandong, eGuangxi, eGuizhou, eYunnan nakwezinye izifunda. Izinkomba zinhle. Ukubuyiselwa kwezinsimbi eziyigugu odakeni olubomvu akugcini nje ngokudala izinzuzo zomnotho, kodwa futhi konga izinsiza futhi kunciphise ingcindezi yemvelo.
Indandatho eqondile epholisa amanzi ahlanganisiwe e-oyili-indandatho ehlukanisiwe enamandla amakhulu kagesi
“Uhlelo Lokusebenza Lokusheshisa Ukukhuthazwa Kokusetshenziswa Okuphelele Kwezinsizakusebenza Zezimboni” olukhishwe muva nje yiminyango eyisishiyagalombili okubalwa kuyo uMnyango Wezimboni Nobuchwepheshe Bolwazi kanye noMnyango Wezemvelo Nezemvelo luveze izidingo ezicacile zesilinganiso sokusetshenziswa okuphelele kwemfucuza eqinile yezimboni ngesikhathi se-“Uhlelo Lweminyaka Emihlanu Lwe-14”. Kodwa-ke, ukuze kusetshenziswe udaka olubomvu ngokuphelele, kudingeka “ukuthuthukiswa okuphumelelayo” kuphela. Lokhu kungenxa yokuthi i-alkali yamakhemikhali ehlanganiswe nodaka olubomvu kunzima ukuyisusa futhi okuqukethwe kukhulu, futhi kuqukethe ne-fluorine, i-aluminium nokunye ukungcola. Ukusetshenziswa okungenangozi kodaka olubomvu bekulokhu kunzima ukukwenza, ngakho-ke ukusetshenziswa okuphelele kodaka olubomvu kuseyinkinga yomhlaba wonke. . Shayela amayunithi ocwaningo lwesayensi afanele ukuthi aqhubeke nocwaningo olujulile kanye nobuchwepheshe bokusetshenziswa okuphelele kodaka olubomvu obukhona ukuze kukhuliswe ukusetshenziswa okuphelele kwezinsizakusebenza zodaka olubomvu.
Isihlukanisi sikamazibuthe sedramu esimanzi
Isikrini esiyisilinda
Izicelo
Iphrojekthi yokuhlukanisa insimbi yodaka olubomvu eShandong – Le phrojekthi yelapha udaka olubomvu lwe-alumina, isebenzisa ama-separator kamagnetic angu-22 e-LHGC-2000 aqondile anendandatho ephezulu ye-gradient, okuxazulula ngempumelelo inkinga yokwelashwa kodaka olubomvu kanye nokusetshenziswa okuphelele.
Isihlukanisi sikamazibuthe esiqondile esinomugqa ophezulu we-gradient sisetshenziswa kuphrojekthi yokuhlukanisa insimbi yodaka olubomvu eGuangxi
Isihlukanisi sikamazibuthe esiqondile esinomugqa ophezulu we-gradient sisetshenziswa kuphrojekthi yokuhlukanisa insimbi yodaka olubomvu eShandong
Isihlukanisi sikamazibuthe esiqondile esinomugqa ophezulu we-gradient sisetshenziswa kuphrojekthi yokuhlukanisa insimbi yodaka olubomvu yaseYunnan
Isihlukanisi sikamazibuthe esiqondile esinomugqa ophezulu we-gradient sisetshenziswa kuphrojekthi yokuhlukanisa insimbi yodaka olubomvu eShanxi
Isihlukanisi sikamazibuthe esiqondile esinomugqa ophezulu we-gradient sisetshenziswa kuphrojekthi yokuhlukanisa insimbi yodaka olubomvu eGuangxi
Isikhathi sokuthunyelwe: Mashi-25-2022