Strontium carbonate
Strontium carbonate ke sehlahisoa sa bohlokoa sa indasteri se nang le mefuta e mengata ea tšebeliso.Ke diminerale ea carbonate, ea sehlopha sa aragonite, e batlang e sa tloaeleha 'me e hlaha ka majoe a mokoetla kapa marlstone ka mokhoa oa methapo.Ka tlhaho, hangata e teng ka sebopeho sa mineral rhodochrosite le strontite, e kopane le barium carbonate, barite, calcite, celestite, fluorite le sulfide, e sa nkheng ebile e sa latsoehe, hangata e le phofo e tšoeu e tšoeu kapa kristale ea rhombic e se nang 'mala, kapa bohlooho, bosoeu bo mosehla, botala kapa bosootho ha bo tshwaelitsoe ke ditshila.Strontium carbonate kristale e bōpehile joaloka nale, 'me kakaretso ea eona e na le linale tsa granular, columnar le radioactive.Ponahalo ea eona ha e na 'mala, e tšoeu, e mosehla o motala, e na le khanya e hlakileng ho isa ho translucent, oli e robehileng e phatsima, e brittle, le leseli le leputsoa le bobebe ka tlas'a mahlaseli a cathode.Strontium carbonate e tsitsitse, ha e qhibilihe ka metsing, e qhibiliha hanyane ka har'a ammonia, ammonium carbonate le carbon dioxide saturated aqueous solution, 'me ha e qhibilihe ke joala.Ho feta moo, strontium carbonate le eona ke thepa ea bohlokoa e tala bakeng sa celestite, mohloli o sa tloaelehang oa liminerale.Hajoale, celestite ea boemo bo holimo e batla e khathetse.
Ka nts'etsopele e tsoelang pele ea indasteri ea lefats'e, sebaka sa ts'ebeliso ea strontium le sona se atolohile.Ho tloha lekholong la bo19 la lilemo ho ea qalong ea lekholo lena la lilemo, batho ba ne ba sebelisa strontium hydroxide ho etsa tsoekere le ho hloekisa sirapo ea beet;Nakong ea lintoa tse peli tsa lefatše, metsoako ea strontium e ne e sebelisoa haholo ha ho etsoa litima-mollo le libomo tsa lipontšo;Lilemong tsa bo-1920 le bo-1930, strontium carbonate e ne e sebelisoa e le desulfurizer bakeng sa ho etsa tšepe ho tlosa sebabole, phosphorus le lintho tse ling tse kotsi;Lilemong tsa bo-1950, strontium carbonate e ne e sebelisetsoa ho hloekisa zinki ha ho etsoa zinki ea electrolytic, ka bohloeki ba 99.99%;Ho elella bofelong ba lilemo tsa bo-1960, strontium carbonate e ne e sebelisoa haholo e le thepa ea makenete;Strontium titanate e sebelisoa e le mohopolo oa k'homphieutha, 'me strontium chloride e sebelisoa e le mafura a rocket;Ka 1968, strontium carbonate e ile ea sebelisoa ho khalase ea skrine ea mebala ea TV hobane e ile ea fumanoa e sebelisetsoa ts'ebetso e ntle ea X-ray ea tšireletso.Hona joale tlhokahalo e ntse e hōla ka potlako 'me e fetohile e' ngoe ea likarolo tse kholo tsa kopo ea strontium;Strontium e boetse e holisa mefuta ea eona ea ts'ebeliso libakeng tse ling.Ho tloha ka nako eo, strontium carbonate le metsoako e meng ea strontium (matsoai a strontium) e le lisebelisoa tsa bohlokoa tsa letsoai tse sa sebetseng li fumane tlhokomelo le tlhokomelo e atileng.
E le thepa ea bohlokoa ea indasteri, strontium carbonatee sebelisoa haholo ha ho etsoa li-tubes tsa litšoantšo, li-monitor, li-monitor tsa indasteri, likarolo tsa elektroniki, joalo-joalo.Ka nako e ts'oanang, strontium carbonate e boetse ke eona ntho e ka sehloohong e tala bakeng sa ho lokisa metallic strontium le matsoai a sa tšoaneng a strontium.Ho feta moo, strontium carbonate e ka boela ea sebelisoa ha ho etsoa li-fireworks, khalase ea fluorescent, libomo tsa pontšo, ho etsa pampiri, meriana, li-analytical reagents, ho hloekisa tsoekere, ho hloekisa tšepe ea zinki ea electrolyte, tlhahiso ea strontium salt pigment, joalo-joalo. -purity strontium carbonate, tse kang li-TV tse nang le mebala e meholo e mebala-bala, lipontšo tsa mebala bakeng sa lik'homphieutha le lisebelisoa tse phahameng tsa matla a khoheli, joalo-joalo. Tlhahiso ea lihlahisoa tsa strontium Japane, United States, Jeremane le linaheng tse ling tse tsoetseng pele li fokotsehile selemo le selemo ka lebaka la ho ea ho ho fokotseha ha methapo ea liminerale, ho phahama ha litšenyehelo tsa matla le tšilafalo ea tikoloho.Ho fihlela joale, 'maraka oa kopo oa strontium carbonate o ka bonoa.
Joale, re tla hlahisa ts'ebeliso e ikhethileng ea strontium carbonate:
Pele ho tsohle, strontium carbonate e arotsoe ka litlhaloso tsa granular le powdery.Granular e sebelisoa haholo ka khalase ea thelevishene Chaena, 'me phofo e sebelisoa haholo-holo ha ho etsoa lisebelisoa tsa strontium ferrite magnetic, nonferrous metal smelting, red pyrotechnic heartliver le tlhahiso ea high-purity strontium carbonate bakeng sa lisebelisoa tse tsoetseng pele tsa elektroniki tse kang PTC, e sebelisoa haholo ho hlahiseng likhalase tsa TV le likhalase tse bonts'itsoeng, strontium ferrite, lisebelisoa tsa makenete le desulfurization ea tšepe e se nang ferrous, hape e sebelisoa ha ho etsoa litima-mollo, khalase ea fluorescent, bomo ea lipontšo, ho etsa pampiri, meriana, reagent ea tlhahlobo le lisebelisoa tse tala bakeng sa ho etsa tse ling. letsoai la strontium.
Tšebeliso ea mantlha ea strontium carbonate lits'ebetsong tsa elektroniki ke:
E sebelisetsoa ho etsa mochine oa thelevishene oa mebala (CTV) ho monya lielektrone tse hlahisoang ke cathode
1. Ho etsoa ha strontium ferrite bakeng sa limakete tse sa feleng tse sebelisoang ho libuela-hōle le limakete tsa mamati.
2.Ho hlahisoa ha tube ea cathode ray bakeng sa TV ea mebala
3.E boetse e sebelisetsoa li-electromagnets le strontium ferrite
4.E ka etsoa li-motor tse nyane, li-separators tsa makenete le libuela-hole
5.Monya X-rays
6.E sebelisetsoa ho etsa li-superconductors tse ling, tse kang BSCO, le bakeng sa lisebelisoa tsa electroluminescent.Ntlha ea pele, e calcined ho SrO, ebe e kopantsoe le sebabole ho etsa SrS: x, moo x hangata e leng europium.
Ka indasteri ea ceramic, strontium carbonate e phetha karolo e joalo:
1.E sebelisoa haholo e le motsoako oa glaze.
2.E sebetsa joalo ka phallo
3.Fetola 'mala oa li-oxide tse ling tsa tšepe.
Ehlile,tšebeliso e tloaelehileng haholo ea strontium carbonate ke joalo ka colorant e theko e tlase ho li-fireworks.
Ka bokhutšoanyane, strontium carbonate e sebelisoa haholo, haholo-holo ha ho etsoa likhalase tsa TV le khalase ea pontšo, strontium ferrite, lisebelisoa tsa magnetic le nonferrous metal desulfurization le liindasteri tse ling, kapa tlhahiso ea li-fireworks, khalase ea fluorescent, libomo tsa pontšo, ho etsa pampiri, meriana. , li-reagents tsa tlhahlobo le lisebelisoa tse tala bakeng sa ho etsa matsoai a mang a strontium.
Ho ea ka lipalo-palo, Chaena e na le likhoebo tse fetang 20 tse sebetsanang le tlhahiso ea strontium carbonate, e nang le kakaretso ea selemo le selemo ea tlhahiso ea lithane tse 289000, e fetoha mohlahisi e moholo ka ho fetisisa lefatšeng le moreki oa likhase tse nang le carbonate, le ho romela linaheng tsohle tsa lefats'e, tse nang le botumo bo phahameng. marakeng oa machaba.Ho ea ka lipalo-palo tsa meetlo, lihlahisoa tsa China tsa strontium carbonate lilemong tsa morao tjena ke lithane tse 78700 ka 2003, lithane tse 98000 ka 2004 le lithane tse 33000 ka 2005, tse etsang 34.25%, 36.8% le 39.27% ea naha ea 39.27%. 54.7% le 57.8% ya kgwebisano ya mebaraka ya matjhaba.Celestite, thepa e ka sehloohong e tala ea strontium carbonate, ke liminerale tse haellang lefatšeng 'me ke mohloli oa liminerale tse sa fumaneheng ka seoelo o ka nchafatsoang.
Joalo ka ha bohle re tseba, strontium ke mohloli oa bohlokoa oa liminerale o nang le mefuta e mengata ea tšebeliso.E 'ngoe ea litšebeliso tsa eona ke ho sebetsana le letsoai la strontium, tse kang strontium carbonate, strontium titanate, nitrate, strontium oxide, strontium chloride, strontium chromate, strontium ferrite, joalo-joalo Har'a tsona, chelete e kholo ka ho fetisisa ke ho hlahisa strontium carbonate.
Chaena, strontium carbonate ea rona e na le molemo o itseng mabapi le phepelo le tlhahiso.Ho ka boleloa hore tebello ea 'maraka ea strontium carbonate e ea tšepisa.
1.Mokhoa oa ho qhibiliha o rarahaneng.
The celestite e ile ea pshatleha 'me ea itšoara ka soda le molora oa soda bakeng sa 2h ka mocheso o arabelang oa 100 ℃.Motsoako oa pele oa sodium carbonate ke 20%, palo ea sodium carbonate e kenyellelitsoeng ke 110% ea palo ea theory, 'me boholo ba karoloana ea phofo ea ore ke 80 mesh.Tlas'a boemo bona, sekhahla sa ho bola se ka fihla ho feta 97%.Ka mor'a ho sefa, khatello ea sodium sulfate ka filtrate e ka fihla ho 24%.Otla strontium carbonate e tala ka metsi, eketsa hydrochloric acid seasoning slurry ho pH3, 'me ka mor'a 2 ~ 3h ka 90 ~ 100 ℃, eketsa barium remover ho tlosa barium, ebe u fetola slurry ka ammonia pH6.8~7.2 ho tlosa litšila. .Ka mor'a ho sefa, filtrate e hula strontium carbonate ka ammonium bicarbonate kapa ammonium carbonate solution, ebe e sefa ho tlosa motsoako oa ammonium chloride.Kamora ho omisa kuku ea filthara, sehlahisoa sa strontium carbonate se lokisoa.
SrSO4+Na2CO3→SrCO3+Na2SO4
SrCO3+2HCl→SrCl2+CO2↑+H2O
SrCl2+NH4HCO3→SrCO3+NH4Cl+HCl
2.Mokhoa oa ho fokotsa mashala.
Celestite le mashala a silafetseng a siloa hore a fetise li-meshes tse 20 e le lisebelisoa tse tala, karo-karolelano ea ore ho mashala ke 1: 0.6 ~ 1: 0.7, e fokotsehile 'me e halikiloe ka mocheso oa 1100 ~ 1200 ℃, ka mor'a 0.5 ~ 1.0h, thepa ea calcined e ts'oaroa habeli, e hlatsuoa hanngoe, e kolobisoa ka 90 ℃, e kolobisitsoe ka lihora tse 3 nako le nako, 'me sekhahla sa leaching se ka fihla ho feta 82%.Tharollo ea leaching e ea tlhotloa, masala a filthara a hlajoa ke hydrochloric acid, 'me strontium e tsosolosoa hape,' me filtrate e eketsoa ka tharollo ea mirabilite ho tlosa barium, Ebe o eketsa ammonium bicarbonate kapa sodium carbonate solution ho arabela ho hlahisa pula ea strontium carbonate (kapa carbonize ka ho toba ka carbon dioxide), ebe e arohana, e omelle, 'me e sila ho hlahisa lihlahisoa tsa strontium carbonate.
SrSO4+2C→SrS+2CO2
2SrS+2H2O → Sr (OH) 2+Sr (HS) 2
Sr(OH)2+Sr(HS)2+2NH4HCO3→2Sr(CO3+2NH4HS+2H2O
3.Thermal tharollo ea strontium siderite.
The strontium siderite le coke lia pshatloa ebe li tsoakoa ka motsoako ho ea ka karo-karolelano ea ore ho coke=10:1 (karolelano ea boima ba 'mele).Ka mor'a ho halika ho 1150 ~ 1250 ℃, carbonates e senyeha ho hlahisa clinker e nang le strontium oxide le li-oxide tse ling tsa tšepe.Clinker e theohile ka mehato e meraro, 'me mocheso o motle ka ho fetisisa ke 95 ℃.Mohato oa bobeli le oa boraro o ka fetisetsoa ho.Fetola mocheso oa 70-80 ℃.Tharollo ea leaching e etsa hore motsoako oa strontium hydroxide e be 1mol / L, e leng se loketseng ho arohana ha litšila Ca2 + le Mg2 +.Kenya ammonium bicarbonate ho filtrate bakeng sa carbonization ho fumana strontium carbonate.Ka mor'a ho arohana, ho omisa le ho senya, ho fumanoa strontium carbonate e phethiloeng.
SrCO3→SrO+C02↑
SrO+H2O→Sr(OH)2
Sr(OH)2+NH4HCO3→SrCO3↓+NH3·H2O+H2O
4. Tšebeliso e felletseng.
Ho tloha ka tlas'a lefatše brine e nang le bromine le strontium, strontium e nang le joala ea 'mè ka mor'a ho ntšoa ha bromine ha e sebelisoe ka lime, e fetoha mouoane, e tsitsitsoe le ho pholile, ebe sodium chloride e tlosoa, ebe calcium e ntšoa ke caustic soda, ebe ammonium bicarbonate e kenngoa ho fetola. strontium hydroxide ho pula ea strontium carbonate, ebe e hlatsuoa le ho omisoa ho hlahisa lihlahisoa tsa strontium carbonate.
SrC12+2NaOH→Sr(OH)2+2NaCl
Sr(OH)2+NH4HCO3→SrCO3+NH3·H2O+H2O
Joooh!Ua tseba, Wit-Stone ke k'hamphani e ntle haholo!Ts'ebeletso e ntle haholo, sephutheloana sa sehlahisoa se setle haholo, lebelo la ho fana le lona le potlakile haholo, mme ho na le basebetsi ba arabang lipotso inthaneteng lihora tse 24 ka letsatsi.
Tšebeletso ea k'hamphani e hlile e makatsa.Thepa eohle e amoheloang e pakiloe hantle 'me e khomaretsoe ka matšoao a amehang.Sephutheloana se tiile 'me lebelo la thepa le potlakile.
Boleng ba lihlahisoa bo phahame ka ho feletseng.Ke ile ka makatsoa ke hore boikutlo ba tšebeletso ea k'hamphani ho tloha nakong ea ho amohela lipatlisiso ho fihlela nakong eo ke tiisang hore ho fumana thepa e ne e le boemo ba pele, e leng se ileng sa etsa hore ke ikutloe ke le mofuthu haholo le phihlelo e monate haholo.
