Strontium carbonate
Strontium carbonate bụ ihe dị mkpa nke ụlọ ọrụ mmepụta ihe nwere ọtụtụ ojiji.Ọ bụ mineral carbonate, nke otu aragonite, nke dị obere ma na-eme na nkume limestone ma ọ bụ marlstone n'ụdị veins.N'okike, ọ na-adịkarị n'ụdị ịnweta rhodochrosite na strontite, na-ebikọ ọnụ na barium carbonate, barite, calcite, celestite, fluorite na sulfide, enweghị isi na enweghị ụtọ, nke na-abụkarị ọcha ntụ ntụ ma ọ bụ kristal rhombic na-enweghị agba, ma ọ bụ isi awọ, odo-acha ọcha. akwụkwọ ndụ akwụkwọ ndụ ma ọ bụ aja aja mgbe adịghị ọcha butere ya.kristal Strontium carbonate nwere ụdị agịga, mkpokọta ya na-abụkarị granular, columnar, na agịga redioaktivu.Ọdịdị ya enweghị agba, na-acha ọcha, akwụkwọ ndụ akwụkwọ ndụ-acha odo odo, nke na-apụta ìhè na-egbuke egbuke na-egbuke egbuke, mmanụ na-agbaji agbaji, na-egbuke egbuke, na ìhè na-acha anụnụ anụnụ na-adịghị ike n'okpuru cathode ray.Strontium carbonate kwụsiri ike, nke a na-apụghị ịsacha n'ime mmiri, na-agbaze ntakịrị na amonia, ammonium carbonate na carbon dioxide saturated aqueous solution, yana mmanya na-egbu egbu.Na mgbakwunye, strontium carbonate bụkwa ihe dị mkpa maka celestite, isi iyi ịnweta enweghị ụkọ.Ka ọ dị ugbu a, celestite dị elu ọ fọrọ nke nta ka ike gwụ ya.
Site na mmepe nke ụlọ ọrụ ụwa na-aga n'ihu, mpaghara ngwa nke strontium agbasawokwa.Site na narị afọ nke 19 ruo mmalite narị afọ a, ndị mmadụ na-eji strontium hydroxide mee shuga ma mee ka sirop beet dị ọcha;N'oge agha ụwa abụọ ahụ, a na-eji ogige strontium eme ihe n'ọtụtụ ebe na-emepụta ọkụ ọkụ na bọmbụ mgbaàmà;N'afọ ndị 1920 na 1930, a na-eji strontium carbonate mee ihe dị ka desulfurizer maka ígwè iji wepụ sọlfọ, phosphorus na ihe ndị ọzọ na-emerụ ahụ;N'afọ ndị 1950, a na-eji strontium carbonate mee ka zinc dị ọcha na mmepụta nke zinc electrolytic, na ịdị ọcha nke 99.99%;N'ọgwụgwụ 1960, a na-eji strontium carbonate mee ihe dị ka ihe ndọta;A na-eji Strontium titanate mee ihe dị ka ebe nchekwa kọmputa, a na-ejikwa strontium chloride mee ihe dị ka mmanụ ọkụ;Na 1968, a na-etinye strontium carbonate na iko ihuenyo TV agba n'ihi na achọpụtara na a na-eji ya maka ọrụ nchekwa X-ray dị mma.Ugbu a ọchịchọ na-eto ngwa ngwa ma ghọọ otu n'ime mpaghara ngwa ngwa nke strontium;Strontium na-agbasawanye ngwa ngwa ya na mpaghara ndị ọzọ.Kemgbe ahụ, strontium carbonate na ndị ọzọ strontium ogige (strontium salts) dị mkpa inorganic nnu akụrụngwa enwetawo nlebara anya na nlebara anya zuru ebe nile.
Dị ka ihe dị mkpa akụrụngwa akụrụngwa, strontium carbonatena-eji ọtụtụ ebe na mmepụta nke foto tubes, Monitors, ulo oru nlekota oru, electronic components, wdg.N'otu oge ahụ, strontium carbonate bụkwa isi akụrụngwa maka nkwadebe nke strontium dara na strontium salts dị iche iche.Tụkwasị na nke ahụ, a pụkwara iji strontium carbonate na-emepụta ihe ọkụ ọkụ, iko fluorescent, bọmbụ mgbaàmà, ime akwụkwọ, ọgwụ, nyocha nyocha, nhazi shuga, zinc metal electrolyte refining, strontium nnu pigmenti mmepụta, wdg Na-amụba ọchịchọ nke elu. -ọcha strontium carbonate, dị ka nnukwu ihuenyo agba TV sets, agba ngosi maka kọmputa na elu-arụmọrụ magnetik ihe, wdg Mmepụta nke strontium ngwaahịa na Japan, United States, Germany na ndị ọzọ mepere emepe agbadala kwa afọ n'ihi iji mebie veins nke ịnweta, ịrị elu ego ike na mmetọ gburugburu ebe obibi.Ka ọ dị ugbu a, a pụrụ ịhụ ahịa ngwa nke strontium carbonate.
Ugbu a, anyị ga-ewebata ngwa ngwa nke strontium carbonate:
Nke mbụ, strontium carbonate na-ekewa n'ime nkọwa granular na ntụ ntụ.A na-ejikarị granular eme ihe na iko TV na China, a na-ejikwa ntụ ntụ eme ihe na mmepụta nke ihe ndọta strontium ferrite, metal nonferrous smelting, red pyrotechnic heartliver na mmepụta nke strontium carbonate dị ọcha maka ihe ndị dị elu dị ka PTC. tumadi eji na mmepụta nke TV iko na ngosi iko, strontium ferrite, magnetik ihe na nonferrous metal desulfurization, na-ejikwa na mmepụta nke ọkụ, fluorescent iko, Signal bombu, akwụkwọ ime, ọgwụ, analytical reagent na akụrụngwa maka n'ichepụta ndị ọzọ. strontium nnu.
Isi ojiji nke strontium carbonate na ngwa eletrọnịkị bụ:
A na-eji maka imepụta ihe nnata telivishọn agba (CTV) iji nweta electrons nke cathode mepụtara
1. Nrụpụta nke strontium ferrite maka ndọta na-adịgide adịgide ejiri na igwe okwu okwu na ndọta ọnụ ụzọ.
2.Production nke cathode ray tube maka agba TV
3.A na-ejikwa maka electromagnets na strontium ferrite
4. Enwere ike ime ka ọ bụrụ obere moto, magnetik separators na ụda okwu
5.Na-aṅụ X-ray
6.Ọ na-eji maka n'ichepụta ụfọdụ superconductors, dị ka BSCCO, nakwa maka electroluminescent ihe.Nke mbụ, a na-agbakọta ya na SrO, wee gwakọta ya na sọlfọ iji mee SrS: x, ebe x na-abụkarị europium.
N'ime ụlọ ọrụ seramiiki, strontium carbonate na-arụ ọrụ dị otú ahụ:
1.Ọ na-eji ọtụtụ ebe dị ka ihe mgwa nke glaze.
2. Ọ na-arụ ọrụ dị ka mgbanaka
3.Change agba nke ụfọdụ metal oxides.
N'ezie,ihe a na-ejikarị strontium carbonate eme ihe dị ka agba agba dị ọnụ ala na ọkụ ọkụ.
Na nkenke, a na-eji strontium carbonate eme ihe n'ọtụtụ ebe, ọkachasị na mmepụta nke iko TV na iko ngosi, strontium ferrite, ihe ndọta na desulfurization metal nonferrous na ụlọ ọrụ ndị ọzọ, ma ọ bụ na-emepụta ọkụ, iko fluorescent, bọmbụ mgbaàmà, ime akwụkwọ, ọgwụ. , reagents nyocha na akụrụngwa maka imepụta nnu strontium ndị ọzọ.
Dị ka ọnụ ọgụgụ si kwuo, China nwere ihe karịrị ụlọ ọrụ 20 na-arụ ọrụ strontium carbonate mmepụta, na-enwe ngụkọta kwa afọ mmepụta ikike nke 289000 ton, na-aghọ ndị kasị ibu n'ụwa na-emepụta na ndị na-eji nke carbonated gills, na mbupụ n'akụkụ nile nke ụwa, na-enwe a dị elu aha. n'ahịa mba ụwa.Dị ka ọnụ ọgụgụ kọstọm si kwuo, mbupụ China nke strontium carbonate n'afọ ndị na-adịbeghị anya bụ tọn 78700 na 2003, tọn 98000 na 2004 na tọn 33000 na 2005, na-aza 34.25%, 36.8% na mba 39.8% na ngụkọta nke 39.8% nke mba. 54.7% na 57.8% nke ahia ahia mba ụwa.Celestite, bụ isi akụrụngwa nke strontium carbonate, bụ ụkọ ịnweta n'ụwa ma bụrụ ihe ịnweta ịnweta enweghị mmeghari ohuru.
Dị ka anyị niile maara, strontium bụ ihe dị mkpa ịnweta ịnweta nke nwere ọtụtụ ojiji.Otu n'ime ihe eji eme ya bụ ịhazi nnu strontium, dị ka strontium carbonate, strontium titanate, nitrate, strontium oxide, strontium chloride, strontium chromate, strontium ferrite, wdg N'ime ha, nnukwu ego bụ ịmepụta strontium carbonate.
Na China, strontium carbonate anyị nwere uru ụfọdụ n'ihe gbasara ọkọnọ na mmepụta.Enwere ike ikwu na atụmanya ahịa nke strontium carbonate na-ekwe nkwa.
1.Mgbagwoju anya usoro ire ere.
A na-egweri celestite ma meghachi omume na ngwọta soda ash maka 2h na mmeghachi omume okpomọkụ nke 100 ℃.Ntụnye mbụ nke sodium carbonate bụ 20%, ọnụọgụ sodium carbonate agbakwunyere bụ 110% nke ego a na-ekwu, na nha nha nke ntụ ntụ bụ ntupu 80.N'okpuru ọnọdụ a, ọnụ ọgụgụ ire ere nwere ike iru karịa 97%.Mgbe filtration, ịta nke sodium sulfate na filtrate nwere ike iru 24%.Tie crude strontium carbonate na mmiri, tinye hydrochloric acid seasoning slurry na pH3, na mgbe 2 ~ 3h na 90 ~ 100 ℃, tinye barium remover wepụ barium, wee mezie slurry na amonia na pH6.8 ~ 7.2 iji wepụ adịghị ọcha. .Mgbe nzacha, filtrate na-ebuli strontium carbonate na ammonium bicarbonate ma ọ bụ ammonium carbonate ngwọta, wee nyochaa iji wepụ ihe ngwọta ammonium chloride.Mgbe ihicha achicha nzacha, a na-akwadebe ngwaahịa strontium carbonate.
SrSO4+Na2CO3→SrCO3+Na2SO4
SrCO3+2HCl→SrCl2+CO2↑+H2O
SrCl2+NH4HCO3→SrCO3+NH4Cl+HCl
Ụzọ mbelata 2.Coal.
Celestite na pulverized coal na-echi ọnụ n'ala gafere 20 meshes dị ka akụrụngwa, ruru nke ore na coal bụ 1: 0.6 ~ 1: 0.7, belata na ṅara n'ọkụ na okpomọkụ nke 1100 ~ 1200 ℃, mgbe 0.5 ~ 1.0h, calcined ihe onwunwe. A na-agba ya ugboro abụọ, saa ya otu ugboro, leached na 90 ℃, tinye ya maka 3h oge ọ bụla, na ngụkọta leaching ọnụego nwere ike iru karịa 82%.A na-ehichapụ ihe ngwọta nke leaching, ihe fọdụrụ nzacha na-agbapụta site na hydrochloric acid, na strontium na-enwetakwa ọzọ, na-agbakwunye filtrate na ngwọta mirabilite iji wepụ barium, wee gbakwunye ammonium bicarbonate ma ọ bụ sodium carbonate ngwọta iji meghachi omume iji mee ka mmiri ozuzo strontium carbonate (ma ọ bụ). carbon dioxide na carbon dioxide ozugbo), wee kewaa, kpoo, ma gwerie ngwaahịa 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 ngwọta nke strontium siderite.
A na-egwepịa strontium siderite na coke ma gwakọta ya na ngwakọta dịka oke ore na coke = 10: 1 (oke arọ).Mgbe amịchara na 1150 ~ 1250 ℃, carbonates na-emebi emebi iji mepụta clinker nwere strontium oxide na metal oxides ndị ọzọ.A na-agbapụ clinker site na nzọụkwụ atọ, na okpomọkụ kachasị mma bụ 95 ℃.Enwere ike ịgbanye nzọụkwụ nke abụọ na nke atọ na.Mee na 70-80 ℃.Ngwọta leaching na-eme ka ntinye nke strontium hydroxide bụrụ 1mol/L, nke na-eme ka ikewa nke adịghị ọcha Ca2 + na Mg2+.Tinye ammonium bicarbonate na nzacha maka carbonization iji nweta strontium carbonate.Mgbe nkewa gasịrị, ihicha na ikpochapụ, a na-enweta strontium carbonate gwụchara.
SrCO3→SrO+C02↑
SrO+H2O→Sr(OH)2
Sr(OH)2+NH4HCO3→SrCO3↓+NH3·H2O+H2O
4. Comprehensive ojiji.
Site na brine dị n'okpuru ala nke nwere bromine na strontium, strontium nwere mmanya nne mgbe mmịpụta bromine na-ewepụ ya na lime, kpochapu, tinye uche ma mee ka ọ dị jụụ, wepụ sodium chloride, wee wepụ calcium site na soda caustic, na ammonium bicarbonate na-agbakwunye iji gbanwee. strontium hydroxide n'ime mmiri ozuzo strontium carbonate, wee kpochaa ma kpoo ya iji mepụta ngwaahịa strontium carbonate.
SrC12+2NaOH→Sr(OH)2+2NaCl
Sr(OH)2+NH4HCO3→SrCO3+NH3·H2O+H2O
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Ọrụ ụlọ ọrụ ahụ dị ịtụnanya n'ezie.A na-akwakọba ngwongwo niile anatara nke ọma ma tinye akara ndị dị mkpa.Nkwakọ ngwaahịa ahụ siri ike yana ọsọ ngwa ngwa ngwa ngwa.
Ogo nke ngwaahịa dị nnọọ elu.Ọ tụrụ m n'anya, àgwà ọrụ ụlọ ọrụ ahụ site n'oge ịnakwere ajụjụ ahụ ruo n'oge m kwadoro nnata nke ngwaahịa bụ ọkwa mbụ, nke mere ka m nwee mmetụta dị ọkụ na ahụmahụ obi ụtọ.
