Lilemong tsa morao tjena, ts'ebeliso ea li-reagent tsa lanthanide tlhahisong ea lintho tse phelang e ntlafalitsoe ka lebelo le phahameng. Har'a tsona, li-reagent tse ngata tsa lanthanide li fumanoe li na le catalysis e totobetseng karabelong ea ho thehoa ha tlamo ea carbon-carbon; ka nako e ts'oanang, li-reagent tse ngata tsa lanthanide li fumanoe li na le litšobotsi tse ntle liketsong tsa oxidation ea lintho tse phelang le liketsong tsa phokotso ea lintho tse phelang ho fetola lihlopha tse sebetsang. Ts'ebeliso ea temo ea rare ea lefats'e ke katleho ea lipatlisiso tsa saense e nang le litšobotsi tsa Sechaena tse fumanoeng ke basebetsi ba saense le theknoloji ba Chaena kamora lilemo tsa mosebetsi o boima, 'me e khothalelitsoe ka matla e le mohato oa bohlokoa oa ho eketsa tlhahiso ea temo Chaena. Rare earth carbonate e qhibiliha habonolo ka har'a asiti ho etsa letsoai le tsamaellanang le carbon dioxide, e ka sebelisoang habonolo tlhahisong ea letsoai le metsoako e fapaneng ea rare earth ntle le ho hlahisa litšila tsa anionic. Mohlala, e ka arabela ka li-acid tse matla joalo ka nitric acid, hydrochloric acid, nitric acid, perchloric acid, le sulfuric acid ho etsa letsoai le qhibilihang ka metsing. E arabela ka phosphoric acid le hydrofluoric acid ho fetoha li-phosphate le fluoride tse sa qhibiliheng tse sa qhibiliheng. Li kopana le li-acid tse ngata tsa tlhaho ho etsa metsoako e tsamaellanang ea lintho tse phelang tse sa tloaelehang. Li ka ba li-cation tse rarahaneng tse qhibilihang kapa li-anion tse rarahaneng, kapa metsoako e sa qhibiliheng e sa qhibiliheng e ka senyeha ho latela boleng ba tharollo. Ka lehlakoreng le leng, carbonate ea lefats'e e sa qhibiliheng e ka qhaloa hore e be li-oxide tse tsamaellanang ka calcination, e ka sebelisoang ka ho toba ho lokiseng thepa e mengata e mecha ea lefats'e e sa tloaelehang. Hona joale, tlhahiso ea selemo le selemo ea carbonate ea lefats'e e sa tloaelehang Chaena e feta lithane tse 10,000, e leng se etsang karolo e fetang kotara ea thepa eohle ea lefats'e e sa tloaelehang, e leng se bontšang hore tlhahiso ea indasteri le ts'ebeliso ea carbonate ea lefats'e e sa tloaelehang e bapala karolo ea bohlokoa haholo nts'etsopele ea indasteri ea lefats'e e sa tloaelehang.
Cerium carbonate ke motsoako o sa pheleng o nang le foromo ea lik'hemik'hale ea C3Ce2O9, boima ba limolek'hule ba 460, logP ea -7.40530, PSA ea 198.80000, ntlha e belang ea 333.6ºC ho 760 mmHg, le ntlha ea flash ea 169.8ºC. Tlhahisong ea li-rare earths tse ngata indastering, cerium carbonate ke thepa e tala e mahareng bakeng sa ho lokisa lihlahisoa tse fapaneng tsa cerium joalo ka letsoai le fapaneng la cerium le cerium oxide. E na le mefuta e mengata ea ts'ebeliso 'me ke sehlahisoa sa bohlokoa sa rare earth e bobebe. Kristale ea cerium carbonate e nang le metsi e na le sebopeho sa mofuta oa lanthanite, 'me foto ea eona ea SEM e bontša hore sebopeho sa motheo sa kristale ea cerium carbonate e nang le metsi e tšoana le flake, 'me li-flakes li kopantsoe hammoho ke likamano tse fokolang ho etsa sebopeho se kang petal, 'me sebopeho se hlephile, kahoo tlas'a ts'ebetso ea matla a mechini Ho bonolo ho aroloa likotoana tse nyane. Cerium carbonate e hlahisoang ka mokhoa oa setso indastering hajoale e na le 42-46% feela ea mobu oohle o sa tloaelehang ka mor'a ho oma, e leng se fokotsang katleho ea tlhahiso ea cerium carbonate.
Mofuta oa tšebeliso e tlase ea metsi, boleng bo tsitsitseng, cerium carbonate e hlahisitsoeng ha e hloke ho omisoa kapa ho omisoa kamora ho omisoa ha centrifugal, 'me kakaretso ea lefats'e le sa tloaelehang e ka fihla ho 72% ho isa ho 74%, 'me ts'ebetso ena e bonolo ebile ke ts'ebetso ea mohato o le mong bakeng sa ho lokisa cerium carbonate ka kakaretso e phahameng ea lefats'e le sa tloaelehang. Morero o latelang oa tekheniki oa amoheloa: mokhoa oa mohato o le mong o sebelisoa ho lokisa cerium carbonate ka kakaretso e phahameng ea lefats'e le sa tloaelehang, ke hore, tharollo ea cerium ea phepo e nang le khatello e kholo ea CeO240-90g/L e futhumatsoa ho 95°C ho isa ho 105°C, 'me ammonium bicarbonate e eketsoa ka ho hlohlelletsoa khafetsa ho etsa hore cerium carbonate e be matla. Palo ea ammonium bicarbonate e fetoloa e le hore boleng ba pH ba mokelikeli oa phepo bo qetelle bo fetotsoe ho 6.3 ho isa ho 6.5, 'me sekhahla sa ho eketsa se loketse e le hore mokelikeli oa phepo o se ke oa fela ka har'a setshelo. Tharollo ea phepo ea cerium bonyane ke e 'ngoe ea tharollo ea metsi ea cerium chloride, tharollo ea metsi ea cerium sulfate kapa tharollo ea metsi ea cerium nitrate. Sehlopha sa R&D sa UrbanMines Tech. Co., Ltd. se amohela mokhoa o mocha oa ho kopanya ka ho eketsa ammonium bicarbonate e tiileng kapa tharollo ea ammonium bicarbonate e metsi.
Cerium carbonate e ka sebediswa ho lokisa cerium oxide, cerium dioxide le di-nanomaterials tse ding. Ditshebediso le mehlala ke tsena:
1. Khalase ea violet e khahlanong le khanya e monyang mahlaseli a ultraviolet ka matla le karolo e mosehla ea khanya e bonahalang. Ho latela sebopeho sa khalase e tloaelehileng ea soda-lime-silica float, e kenyelletsa lisebelisoa tse latelang tse tala ka liperesente tsa boima: silica 72~82%, sodium oxide 6~15%, calcium oxide 4~13%, magnesium oxide 2~8%, Alumina 0~3%, iron oxide 0.05~0.3%, cerium carbonate 0.1~3%, neodymium carbonate 0.4~1.2%, manganese dioxide 0.5~3%. Khalase e teteaneng ea 4mm e na le khanya e bonahalang e fetang 80%, khanya ea ultraviolet e ka tlase ho 15%, le khanya ea maqhubu a 568-590 nm e ka tlase ho 15%.
2. Pente e bolokang matla ea endothermic, e khetholloang ka hore e etsoa ka ho kopanya filler le thepa e etsang filimi, 'me filler e etsoa ka ho kopanya thepa e tala e latelang ka likarolo ka boima: likarolo tse 20 ho isa ho tse 35 tsa silicon dioxide, le likarolo tse 8 ho isa ho tse 20 tsa aluminium oxide. , likarolo tse 4 ho isa ho tse 10 tsa titanium oxide, likarolo tse 4 ho isa ho tse 10 tsa zirconia, likarolo tse 1 ho isa ho tse 5 tsa zinc oxide, likarolo tse 1 ho isa ho tse 5 tsa magnesium oxide, likarolo tse 0.8 ho isa ho tse 5 tsa silicon carbide, likarolo tse 0.02 ho isa ho tse 0.5 tsa yttrium oxide, le likarolo tse 0.01 ho isa ho tse 1.5 tsa chromium oxide. likarolo, likarolo tse 0.01-1.5 tsa kaolin, likarolo tse 0.01-1.5 tsa thepa ea rare earth, likarolo tse 0.8-5 tsa carbon black, boholo ba karoloana ea thepa e 'ngoe le e 'ngoe e tala ke 1-5 μm; moo, thepa ea lefats'e e sa tloaelehang e kenyelletsang likarolo tse 0.01-1.5 tsa lanthanum carbonate, likarolo tse 0.01-1.5 tsa cerium carbonate, likarolo tse 1.5 tsa praseodymium carbonate, likarolo tse 0.01 ho isa ho tse 1.5 tsa praseodymium carbonate, likarolo tse 0.01 ho isa ho tse 1.5 tsa neodymium carbonate le likarolo tse 0.01 ho isa ho tse 1.5 tsa promethium nitrate; thepa e etsang filimi ke potassium sodium carbonate; potassium sodium carbonate e kopantsoe le boima bo tšoanang ba potassium carbonate le sodium carbonate. Karolelano ea ho kopanya boima ba filler le thepa e etsang filimi ke 2.5:7.5, 3.8:6.2 kapa 4.8:5.2. Ho feta moo, mofuta oa mokhoa oa ho lokisa pente e bolokang matla ea endothermic o khetholloa ka hore o kenyelletsa mehato e latelang:
Mohato oa 1, ho lokisoa ha setlatsetsi, pele boima ba likarolo tse 20-35 tsa silica, likarolo tse 8-20 tsa alumina, likarolo tse 4-10 tsa titanium oxide, likarolo tse 4-10 tsa zirconia, le likarolo tse 1-5 tsa zinc oxide ka boima. , likarolo tse 1 ho isa ho tse 5 tsa magnesium oxide, likarolo tse 0.8 ho isa ho tse 5 tsa silicon carbide, likarolo tse 0.02 ho isa ho tse 0.5 tsa yttrium oxide, likarolo tse 0.01 ho isa ho tse 1.5 tsa chromium trioxide, likarolo tse 0.01 ho isa ho tse 1.5 tsa kaolin, likarolo tse 0.01 ho isa ho tse 1.5 tsa thepa ea rare earth, le likarolo tse 0.8 ho isa ho tse 5 tsa carbon black, ebe li tsoakoa ka mokhoa o ts'oanang ka har'a mixer ho fumana setlatsetsi; moo, thepa ea lefats'e e sa tloaelehang e kenyeletsang likarolo tse 0.01-1.5 tsa lanthanum carbonate, likarolo tse 0.01-1.5 tsa cerium carbonate, likarolo tse 0.01-1.5 tsa praseodymium carbonate, likarolo tse 0.01-1.5 tsa neodymium carbonate le likarolo tse 0.01-1.5 tsa promethium nitrate;
Mohato oa 2, ho lokisoa ha thepa e etsang filimi, thepa e etsang filimi ke sodium potassium carbonate; pele u behe potassium carbonate le sodium carbonate ka ho latellana ka boima, ebe u li kopanya ka ho lekana ho fumana thepa e etsang filimi; sodium potassium carbonate ke Boima bo tšoanang ba potassium carbonate le sodium carbonate lia tsoakoa;
Mohato oa 3, karolelano ea ho kopanya ea thepa ea ho tlatsa le ea filimi ka boima ke 2.5: 7.5, 3.8: 6.2 kapa 4.8: 5.2, 'me motsoako o kopantsoe ka ho lekana le ho hasana ho fumana motsoako;
Mohatong oa 4, motsoako o siloa ka bolo ka lihora tse 6-8, ebe sehlahisoa se felileng se fumanoa ka ho feta skrineng, 'me letlooeng la skrine ke 1-5 μm.
3. Ho lokisoa ha cerium oxide e ntle haholo: Ho sebelisoa cerium carbonate e nang le metsi e le selelekela, cerium oxide e ntle haholo e nang le boholo ba karoloana bo mahareng bo ka tlase ho 3 μm e lokisitsoe ka ho sila ka bolo le ho calcination. Lihlahisoa tse fumanoeng kaofela li na le sebopeho sa fluorite ea cubic. Ha mocheso oa calcination o ntse o eketseha, boholo ba likaroloana tsa lihlahisoa boa fokotseha, kabo ea boholo ba likaroloana e ba tšesaane 'me kristale ea eketseha. Leha ho le joalo, bokhoni ba ho polishing ba likhalase tse tharo tse fapaneng bo bontšitse boleng bo phahameng pakeng tsa 900℃ le 1000℃. Ka hona, ho lumeloa hore sekhahla sa ho tlosoa ha lintho tse holim'a khalase nakong ea ts'ebetso ea ho polishing se angoa haholo ke boholo ba likaroloana, kristale le ts'ebetso ea bokaholimo ba phofo ea ho polishing.