Ukususela ngo-1950, isiTshayinaumhlaba onqabileyoAbasebenzi benzululwazi kunye nobuchwepheshe benze uphando olubanzi kunye nophuhliso kwindlela yokutsalwa kwe-solvent yokwahlulaumhlaba onqabileyokwaye bazuze iziphumo ezininzi zophando lwezenzululwazi, eziye zasetyenziswa ngokubanzi kwimveliso yemizi-mveliso yomhlaba enqabileyo. Kwi-1970, i-N263 isetyenziswe ngempumelelo kwishishini ukukhupha kunye nokwahlulai-yttrium oxidengococeko lwe-99.99%, ukubuyisela indlela yokutshintshiselana kwe-ion yokwahlulai-yttrium oxide. Ixabiso lalingaphantsi kwesinye seshumi sendlela yokutshintshiselana nge-ion; Kwi-1970, i-P204 extraction yasetyenziswa endaweni ye-classical recrystallization indlela yokuvelisa ukukhanyaiioksidi zomhlaba ezinqabileyo; Ukutsalwai-lanthanum oxideusebenzisa i-methyl dimethyl heptyl ester (P350) endaweni ye-classical fractional crystallization method; Kwiminyaka ye-1970, inkqubo ye-ammonia P507 yokukhutshwa kunye nokwahlulaumhlaba onqabileyoizinto kunye nokutsalwa kweiyttriumnge naphthenic acid yaqala ukusetyenziswa kwi Chinaumhlaba onqabileyoishishini le-hydrometallurgy; Uphuhliso olukhawulezayo lwetekhnoloji yotsalo eTshayinaumhlaba onqabileyoishishini alinakwahlulwa kumsebenzi onzima Yuan Chengye kunye namanye amaqabane ukusuka Chinese Academy of Sciences Shanghai Institute of Organic Chemistry. Ii-extractants ezahlukeneyo (ezifana ne-P204, i-P350, i-P507, njl.) ziye zaphanda ngempumelelo ziye zasetyenziswa ngokubanzi kushishino; Ithiyori ye-cascade extraction ecetywayo yaze yakhuthazwa nguNjingalwazi uXu Guangxian weYunivesithi yasePeking ngeminyaka yoo-1970 idlale indima ekhokelayo kubuchwephesha bokutsalwa nokwahlulwa kweTshayina. Kwangaxeshanye, inkqubo yokwahlula ephuculweyo kusetyenziswa ithiyori ye-cascade extraction yacetywa kwaye yasetyenziswa ngokubanzi kwiumhlaba onqabileyoishishini lokutsalwa kunye nokwahlula.
Kule minyaka ingama-40 idlulileyo, iChina iphumelele impumelelo eninzi ephawulekayo kwinkalo yeumhlaba onqabileyoukwahlukana kunye nokuhlanjululwa.
Kwiminyaka yoo-1960, iBeijing Nonferrous Metals Research Institute yafunda ngempumelelo indlela yokunciphisa i-alkalinity ye-zinc powder ukuvelisa ubunyulu obuphezulu.i-europium oxide, eyayiyisihlandlo sokuqala e-China ukuvelisa iimveliso ezingaphezu kwe-99.99%. Le ndlela isasetyenziswa kwiintlobo ezahlukeneyoimihlaba enqabileyokulo lonke ilizwe elisetyenziswa ngumzi-mveliso; I-Shanghai Yuelong Chemical Plant, iYunivesithi yaseFudan, kunye neBeijing General Institute of Nonferrous Metals basebenzisane kuqala ukusebenzisa inkqubo yokutshintshiselana nge-ion yokukhupha ukutyebisa i-N263 nge-P204 kunye nokukhupha kunye nokuhlambulula ukufumana i-99.95% yococekoi-yttrium oxide. Ngo-1970, iP204 yasetyenziselwa ukutyebisa i-N263 kunye nokufumanai-yttrium oxidengobunyulu obungaphezulu kwe-99.99% ngokutsalwa kwesibini kunye nokucoca.
Ukususela ngo-1967 ukuya ku-1968, isityalo sovavanyo lwe-Jiangxi 801 Factory kunye ne-Beijing Nonferrous Metals Research Institute yasebenzisana ukuze ifunde ngempumelelo inkqubo yokusetyenziswa kweqela le-P204 yokukhutshwa - i-N263 yokukhutshwa ukukhupha i-yttrium oxide. NgoDisemba 1968, iitoni ezi-3/ngonyaka yi-yttrium oxideIworkshop yemveliso yakhiwa, ngococeko lwe 99% yei-yttrium oxide.
Ngo-1972, iqela lophando lasekwa ziinkampani ezine, eziquka iBeijing Nonferrous Metals Research Institute, iJiangxi 806 Factory, iJiangxi Nonferrous Metallurgy Research Institute, kunye neChangsha Nonferrous Metallurgy Design Institute. Emva kweminyaka emibini yovavanyo lophando oludibeneyo eBeijing Nonferrous Metals Research Institute, inkqubo yokukhuphai-yttrium oxideukusebenzisa i-naphthenic acid njenge-extractant kunye ne-alcohol exutywe njenge-diluent ifundwe ngempumelelo.
Ngowe-1974, iChangchun Institute of Applied Chemistry yafumanisa okokuqala ukuba xa isahlula.umhlaba onqabileyoizinto zisebenzisa i-naphthenic acid extraction,iyttriumyayiphambi kwayolanthanum, iyenza ibe yeyona nto ilula ukutsaleka kwizinto ezinqabileyo zomhlaba. Ngoko ke, iteknoloji yokwahlulai-yttrium oxideusebenzisa i-naphthenic acid extraction ukusuka kwinkqubo ye-nitric acid yacetywayo. Kwangaxeshanye, iBeijing Nonferrous Metals Research Institute yenza uphando malunga nokwahlulwai-yttrium oxideukusuka kwiinkqubo hydrochloric acid usebenzisa naphthenic acid, kunye nemifuniselo eyandisiweyo zaqhutywa Nanchang 603 Plant kunye Jiujiang 806 Plant ngo 1975, usebenzisa Longnan exutyiweyo.ioksidi yomhlaba enqabileyonjengento ekrwada. Ngo-1974, iShanghai Yuelong Chemical Plant, iYunivesithi yaseFudan, kunye neBeijing Nonferrous Metals Research Institute zasebenzisana ukufunda ukwahlulwayttrium oxide evela monazite Umxubeumhlaba onqabileyozomdakaiyttriumintsimbi ye-columbium isebenzisa ubunzimaumhlaba onqabileyoitsalwe yaza yadityaniswa yi-P204 njengento ekrwada, kunyeyttrium oxide yahlulwe yi-naphthenic acid extraction. Ukhuphiswano lobuhlobo lwabanjwa kumacala amathathu, apho wonke umntu watshintshiselana ngobukrelekrele, wafunda kumandla kunye nobuthathaka bomnye nomnye, kwaye ekugqibeleni wafunda ngempumelelo inkqubo yokutsalwa kwe-asidi ye-naphthenic kunye nokwahlukana kwe-99.99%yttrium oxide kunye neempawu zesiTshayina.
Ukususela ngo-1974 ukuya ku-1975, iNanchang 603 Factory isebenzisana neChangchun Institute of Applied Chemistry, iBeijing General Institute of Non ferrous Metals, iJiangxi Institute of Non ferrous Metallurgy, kunye nezinye iiyunithi ukuze ufunde ngempumelelo isizukulwana sesithathu.yttrium oxidinkqubo ye-e extraction - i-naphthenic acid i-extraction ye-step-step kunye ne-extraction ye-high-purityyttrium oxide. Le nkqubo yaqalisa ukusebenza ngo-1976.
KwiSizwe sokuqalaUmhlaba onqabileyoINkomfa yezoLimo eyayibanjelwe e-Baotou ngo-1976, uMnu. Ngowe-1977, "iSimpoziyam yeSizwe kwiUmhlaba onqabileyoI-Extraction Cascade Theory and Practice” yabanjwa eShanghai Yuelong Chemical Plant, ibonelela ngentshayelelo ecwangcisiweyo nebanzi kule thiyori. Emva koko, ithiyori ye-cascade extraction yasetyenziswa ngokubanzi kuphando kunye nokuveliswa kokwahlulwa komhlaba onqabileyo kunye nokucocwa.
Ngo-1976, i-Beijing Nonferrous Metals Research Institute yasebenzisa i-ore ye-Baotou exutywe nentsimbi.umhlaba onqabileyoukukhuphai-ceriumukusuka kwizinto ezityetyisiweyo. Indlela yokutsalwa kwe-N263 yasetyenziswa ukwahlulalanthanum ipraseodymium neodymium. Iimveliso ezintathu zahlulwa kwisicatshulwa esinye, kunye nokucoceka kwei-lanthanum oxide, i-praseodymium oxide, kwayeneodymium oxideibimalunga nama-90%.
Ukususela ngo-1979 ukuya ku-1983, eBaotouUmhlaba onqabileyoIZiko loPhando kunye neBeijing Nonferrous Metals Research Institute liphuhlise inkqubo ye-P507 hydrochloric acidumhlaba onqabileyoinkqubo yokwahlula utsalo usebenzisa i-ore yomhlaba enqabileyo i-Baotou njengento ekrwada ukufumana amathandathu angatshatangaumhlaba onqabileyoiimveliso (ubunyulu 99% ukuya 99,95%) oflanthanum, i-cerium, ipraseodymium, neodymium, samarium, kwayegadolinium, njengoubuchophokwayeterbiumiimveliso ezityetyisiweyo. Inkqubo yayimfutshane, iqhubekayo, kwaye ukucoceka kwemveliso kwakuphezulu.
Ekuqaleni kweminyaka yoo-1980, iBeijing Nonferrous Metals Research Institute yasebenzisana neJiujiang Nonferrous Metals Smelter, iChangchun Institute of Applied Chemistry, kunye neJiangxi 603 Factory ukwenza uphando lwesizwe "lweSithandathu seMinyaka emiHlanu" kwaye iphuhlise ngempumelelo inkqubo yetekhnoloji yokwahlula ngokupheleleyo.umhlaba onqabileyoizinto ukusuka Longnan exutyweumhlaba onqabileyousebenzisa inkqubo ye-P507 hydrochloric acid.
Ngo-1983, i-Jiujiang Nonferrous Metals Smelter yamkela inkqubo yetekhnoloji ye-Beijing Nonferrous Metals Research Institute's "naphthenic acid hydrochloric acid system" ukuvelisa ibakala lefluorescent.i-yttrium oxideukusuka eLongnan ixube umhlaba onqabileyo” ukuvelisa ibakala le-fluorescenti-yttrium oxide, ukunciphisa iindleko zei-yttrium oxidekunye nokuhlangabezana nemfunoi-yttrium oxidekumabonakude wemibala eTshayina.
Ngowe-1984, iBeijing General Institute of Non ferrous Metals wafunda ngempumelelo ukwahlulwa kobunyulu obuphezulu.i-terbium oxideusebenzisa i-P507 yokukhutshwa kwe-resin usebenzisaterbiumizinto ezityetyisiweyo njengemathiriyeli ekrwada eTshayina.
Ngo-1985, i-Beijing Nonferrous Metals Research Institute yadlulisela i-naphthenic acid extraction yokwahlula ibakala le-fluorescent.i-yttrium oxideinkqubo ubuchwepheshe ukuya yangaphambili German Democratic Republic for 1.71 million Swiss francs, leyo yayiyeyokuqalaumhlaba onqabileyoitekhnoloji yenkqubo yokwahlula ethunyelwa ngaphandle yiTshayina.
Ukususela kwi-1984 ukuya kwi-1986, iYunivesithi yasePeking yagqiba iimvavanyo zoshishino malunga nokukhutshwa kunye nokuhlukana kweLa / CePr / Nd kunye neLa / Ce / Pr kwinkqubo ye-P507-HCl kwiSithathu.Umhlaba onqabileyoIsityalo seBaosteel. Ngaphezulu kwe-98%i-praseodymium oxide, 99.5%i-lanthanum oxidengaphezulu kwe 85%i-cerium oxidekunye ne-99%neodymium oxidezafunyanwa. Ngo-1986, iShanghai Yuelong Chemical Plant yasebenzisa ithiyori yoyilo lwenkqubo yokutsalwa kwe-outlet emithathu, impumelelo yethiyori ye-Cascade extraction theory yeYunivesithi yasePeking, ukuqhuba umfuniselo wemizi-mveliso emithathu kwinkqubo entsha ye-P507-HCl yokukhanya enqabileyo yokwahlukana komhlaba. Isikali sovavanyo lwemizi-mveliso sandise ngokuthe ngqo uyilo lwethiyori yokutsalwa kwe-cascade ukuya kwiitoni ezili-100, lwenza mfutshane kakhulu umjikelo wokusetyenziswa kwenkqubo entsha kwimveliso.
Ukususela ngo-1986 ukuya ku-1989, i-Baotou Rare Earth Research Institute, i-Jiangxi 603 Factory, kunye ne-Beijing Nonferrous Metals Research Institute iphuhlise inkqubo ye-P507-HCl inkqubo yokukhutshwa kwezinto ezininzi, evumela ukuveliswa kwangaxeshanye kwe-3-5 yeemveliso zomhlaba ezinqabileyo ngokutsalwa kweqhezu elinye. Inkqubo imfutshane, iyabiza, kwaye ibhetyebhetye.
Ukususela ngo-1990 ukuya ku-1995, i-Beijing Nonferrous Metals Research Institute kunye ne-BaotouUmhlaba onqabileyoIziko loPhando liye lasebenzisana ukwenza "iSicwangciso seMinyaka emiHlanu" yesizwe yeprojekthi yophando lwezenzululwazi kunye nobuchwepheshe "uPhando kwi-High Purity SingleUmhlaba onqabileyoItekhnoloji yokuSebenza”. Ishumi elinesithandathu engatshatangaioksidi yomhlaba enqabileyoiimveliso ezinobunyulu obungaphezulu kwe-99.999% ukuya kwi-99.9999% zilungiswe kusetyenziswa indlela yokukhupha, indlela yokukhupha i-chromatography, indlela ye-redox, kunye ne-cation exchange fibre chromatography method, ngokulandelanayo. Le nkqubo ifikelele kwinqanaba eliphezulu lamazwe ngamazwe kwaye iphumelele iMbasa yeMpumelelo eNkhulu yeSizwe “yeSicwangciso seMinyaka emiHlanu” yeSizwe.
Ngo-2000, iBeijing Nonferrous Metals Research Institute yaphuhlisa ngempumelelo indlela yokunciphisa i-alkalinity ye-electrolytic ukuze kulungiswe ubunyulu obuphezulu.i-europium oxide. Ngenxa yokuphepha ukungcola kwe-zinc powder kwimveliso, le nkqubo inokukhuphai-europium oxidengococeko lwe-5N-6N kwindawo enye. Kwi-2001, umgca wemveliso yonyaka weetoni ezili-18 zokucoceka okuphezului-europium oxideyakhiwa eGansuUmhlaba onqabileyoInkampani kwaye yaqala ukusebenza ngaloo nyaka.
Ngamafutshane, eTshayinaumhlaba onqabileyoUkwahlula kunye netekhnoloji yokucoca kunokuthiwa ikhokela kwihlabathi, njenge-naphthenic acid extraction separation ofi-yttrium oxideinkulu kune-5N, indlela ye-P507 yokutsalwa ukulungiselelai-lanthanum oxideenkulu kune-5N, indlela yokunciphisa i-electrolytic okanye indlela ye-alkalinity yokulungiselelai-europium oxideinkulu kune-5N, njl njl. Nangona kunjalo, inqanaba lolawulo oluzenzekelayo kwishishini lokwahlula kunye nokucoca liphantsi, kwaye amanye amashishini anozinzo olukumgangatho ophantsi kunye nokuhambelana kobunyulu obuphezulu.umhlaba onqabileyoiimveliso. Ngoko ke, kuyimfuneko ukuqhubela phambili nokuphucula umgangatho wezixhobo zamashishini.
Ixesha lokuposa: Nov-02-2023