Mayelana neLithium Ore

I-Lithium, eyaziwa njengomkhiqizo obalulekile kakhulu emhlabeni jikeleze phakathi kokuguqulwa kwenjini, ibongwa njenge "petroleum emhlophe" kanye "nensimbi eqhuba ikusasa." Izici zayo zokuba ne- low density, ukusebenza kwe-electrochemical okuphezulu, kanye ne- superior energy density zibeka izinsiza ze-lithium ore njengezisekelo ezibalulekile zokukhula kwethuba nokuphumelela kwezobuchwepheshe ekutshalweni kwemali kwezokuhamba kahle.

Ubuchwepheshe bokucubungula

  • Ukukhethwa kwezinhlelo zokuthuthukiswa kwe-lithium ore kuxhomeke kakhulu ezimfanelo ze-mineralogical ze-ore (isb. izinhlobo ze-mineral, ubudlelwano, usayizi wokukhulula). Izindlela ezisetshenziswayo zezimboni zokuthuthukiswa kwe-lithium ore zingafingqwa zibe yizindlela ezilandelayo ezijwayelekile, ezikhethwe ngokususelwa kuhlobo lwe-ore kanye nefayela lezomnotho.
    • Inqubo yokukhuphuka kweSpodumene

      • I-Lithium ore iphathwa ngokuqhuba ukuwa kwezigaba ezintathu kuya phansi kuka-15mm, bese igayiwe emshinini wombhoxo ovaliwe ukuze kutholakale u-60–80% ohlangabezana no-200 mesh. Ngemuva kokuhliswa kwe-hydrocyclone (<19 μm), ukungena kwenziwa ngaphansi kwezimo ezinamakhemikhali ase-alkaline kusetshenziswa i-NaOH, uthuli, kanye nosawoti we-paraffin ophuhliswe. Le sikrini ngokuvamile isebenzisa umzamo "Rougher-Scavenger-Cleaner" one-rougher oyedwa, abathathu bead-scavenger, kanye nezinyathelo ezintathu zokuhlanzeka. Ukugxila kuyancishiswa, kusezwa, futhi kuyomiswa ukuze kukhiqizwe umkhiqizo wokugcina.
    • Inqubo Yokuhlanza I-Lepidolite

      • Ngemuva kokuphosa nokuqhuba, isinyathelo sok "uhlanza i-asidi" ngokuvamile sengeziwe ukuze sithuthukise ukususa i-slime nokuhlanza indawo yemaminerali. Ukuhlukaniswa kwenzeka ngaphansi kwezimo ze-asidi (pH 3-4), usebenzisa i-asidi ye-sulfuric njengomakhalekhukhwini, i-sodium silicate (amanzi egilasi) njengokwehlisa, kanye ne-dodecylamine noma ama-amines afanayo njengabathathi. Izigaba eziningi (isb. emgwaqweni ongu-rougher, abasibhiphayo abaningi, abahlanzayo abaningi) ziwumongo. Izinga le-concentrate ye-Li₂O ngokuvamile liyi-3.0%-4.5% futhi ngokuvamile liwuphawu olwangempela lwe-rubidium (Rb) ne-cesium (Cs).
    • Petalite Umoya-Wokhukhula

      • I-ROM ithathwa ibhakuza ibe impahla yokuphila ephakathi. Ukuhlukaniswa kwe-gravity kusebenzisa ama-jigs noma amatafuleyisi ahlanzekile akhipha inqwaba enkulu ye-gangue enezinhlaka eziphansi futhi anikeza umkhiqizo wokuqala ogcwele i-petalite kanye nezinsimbi ezinzima. Umkhiqizo we-gravity udlula ekwehlukanisweni kwe-magnetic okuhamba phambili (HIMS) ukuze kususwe ubuthi be-iron. Ingxenye engangeni emagnetini ibhakuza kabusha futhi ivunguzane (ivamise ukusebenzisa ama-collector e-cationic noma adidiyelwe e-cationic/anionic) ukuze isuse i-silicate gangue.
    • I-Salti Lake Brine Lithium Extraction

      • I-brine idlula ekuhlanzeni okubili ezinyathelweni zethu ze-solar, ithumele amalanga e-sodium kanye ne-patassium ngendlela eyodwa, ihlinzeka nge-brine egcwele i-lithium. I-bittern ihlanzwa ukuze ikhiphe izinto ezithile (isb. Mg, Ca, B). I-sodium carbonate ingezelelwa ukuze kutholwe i-lithium carbonate engcolile. Izinyathelo eziqhubekayo zokuhlanzwa (ukuxubha, ukususa ukungcoliswa, ukuvuselela) zikhulula umkhiqizo osezingeni le-bhethri. Ama-brine anamakhiye aphezulu e-Mg/Li avame ukufuna izinyathelo zokuhlangabezana nemigomo efana nokuthungwa noma ubuchwepheshe bamamemery.

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