Tsis ntev los no, qhov project coj los ntawm Nanchang University, uas koom ua ke kom muaj txiaj ntsig thiab ntsuab kev loj hlob ntawm ion adsorptiontsawg ntiaj tebcov peev txheej nrog ecological restoration technology, dhau qhov kev ntsuam xyuas kev ua tau zoo nrog cov qhab nia siab. Txoj kev vam meej ntawm cov thev naus laus zis thev naus laus zis tshiab no tau ua tiav cov txiaj ntsig tseem ceeb hauv kev txhim kho lub ntiaj teb tsis tshua muaj kev rov qab los thiab ua kom muaj txiaj ntsig ntsuab mining, lossis tshawb nrhiav txoj hauv kev tshiab rau kev siv tau zoo thiab ntsuab ntawm cov peev txheej hauv ntiaj teb tsawg hauv Suav teb.
Extracting leaching reagents los ntawm cov khoom pov tseg thiab rov ua dua
Ion adsorptiontsawg ntiaj tebyog ib qho chaw tshwj xeeb hauv Suav teb. Txawm li cas los xij, cov ion adsorption uas twb muaj lawmtsawg ntiaj tebmining tshuab txwv kev tsuas thiab siv ion adsorptiontsawg ntiaj tebcov peev txheej hauv Suav teb. Nyob rau hauv cov ntsiab lus no, nws yog ib qho tseem ceeb los tsim ib tug tshiab tiam ntawm npaum thiab ntsuab mining technologies. Kev sib xyaw thev naus laus zis ntawm kev ua tau zoo thiab ntsuab kev loj hlob thiab ecological restoration ntawm ion adsorbedtsawg ntiaj tebcov peev txheej tau tshwm sim. Nws cov kev sib txuas ua ke, aluminium magnesium cycling, pov tseg hloov dua siab tshiab, thiab cov yam ntxwv zoo thiab ntsuab muab cov tswv yim tshiab rau kev tsim cov ion adsorbed tsawg ntiaj teb cov peev txheej.
Kev loj hlob ntawm ion adsorbedtsawg ntiaj tebmuaj keeb kwm ntawm ntau tshaj plaub caug xyoo, thiab yuav ua li cas innovate thiab txhim kho txoj kev loj hlob technology ntawm ion adsorbedtsawg ntiaj tebyeej ib txwm muaj kev sib tw rau cov neeg tshawb nrhiav hauv ntiaj teb tsawg. Thaum Lub Kaum Hli Ntuj, tus neeg sau xov xwm tau ntsib nrog xibfwb Li Yongxiu los ntawm Lub Tsev Kawm Ntawv ntawm Chemistry thiab Chemical Engineering ntawm Nanchang University. Hauv nws qhov chaw ua haujlwm, "daim ntawv qhia kev faib tawm ntawm lub ntiaj teb tsis tshua muaj nyob hauv Suav teb" yog qhov zoo siab. Li Yongxiu tau hais tias cov chaw tshawb fawb txog kev tshawb fawb, thev naus laus zis, thiab cov txuj ci ntawm daim ntawv qhia kev faib tawm yog kev sib txuas zoo li lub network, nrog kev sib txuas tsis tu ncua ntawm ib leeg.
Kev koom ua ke thev naus laus zis ntawm kev txhim kho ntsuab zoo thiab kev txhim kho ecological ntawm ion adsorption yam tsis tshua muaj ntiaj teb cov peev txheej tau coj los ntawm Nanchang University, koom tes tsim los ntawm Jiangxi University of Technology, Changchun Institute of Applied Chemistry ntawm Suav Academy ntawm Kev Tshawb Fawb thiab lwm kaum, nrog Li Yongxiu ua tus thawj coj ntawm qhov project.
Tau ntau xyoo, ammonia nitrogen muaj kuab paug los ntawm ammonium sulfate leaching thiab av yaig los ntawm in-site leaching tau cuam tshuam rau ib puag ncig ntawm cov chaw mining. Txawm hais tias tsis ntev los no tau tshaj tawm cov txheej txheem leaching ntawm calcium magnesium chloride thiab magnesium sulfate tuaj yeem daws qhov teeb meem ntawm ammonia nitrogen cov pa phem, qhov leaching efficiency tsis txaus, thiab qhov tseeb noj ntawm mines yog siab dua, tshwj xeeb tshaj yog cov eutrophication ntawm dej los ntawm magnesium sulfate kuj hnyav heev. .
Yog li ntawd, peb tau tsim cov txheej txheem ntsuab leaching zoo thiab cov khoom siv rov ua dua tshiab siv cov ntsev txhuas ua cov cim tshiab leaching reagent. "Li Yongxiu tau piav qhia tias cov thev naus laus zis no tau ua ntej los ntawm kev nkag siab ntawm cov txheej txheem ib txwm ua, hloov los ntawm kev hloov pauv ion yooj yim mus rau lub tshuab leaching uas sib koom ua ke los ntawm ion hydration thiab anion coordination adsorption hauv ob txheej txheej.
Tsis zoo li yav dhau los, peb tau xaiv cov txheej txheem leaching zoo thiab txheej txheem txheej txheem siv txhuas ntsev raws li cov tiam tshiab leaching reagent, "Li Yongxiu hais. staged leaching txheej txheem ntawm calcium magnesium ntsev thiab txhuas ntsev, thiab ib tug staged leaching txheej txheem ntawm citrate thiab tsawg concentration inorganic ntsev.
Nws yog ib qho tsim nyog sau cia tias cov ntsev txhuas thiab calcium magnesium ntsev tau hais los saum toj no tau muab rho tawm thiab rov ua dua los ntawm cov dej khib nyiab pov tseg ntawm cov mining ntau lawm. Txog rau qhov kawg no, pab pawg tau tsim kho tshiab thiab kev sib cais thev naus laus zis uas tuaj yeem ua tiav kev sib cais thiab rov ua dua tshiab ntawm lub ntiaj teb tsis tshua muaj ions los ntawm txhuas thiab lwm yam sib xyaw ions, ua ke nrog nag lossis daus, tshem tawm, thiab cov txheej txheem sib cais membrane. Peb hloov cov khoom pov tseg los ntawm hydrolyzed aluminium slag rau hauv cov leaching reagents zoo rau kev tsim cov mining, ua tiav cov khoom ua paug rov ua dua tshiab thiab txo cov reagent noj thiab cov pa phem ntau lawm. "Li Yongxiu tau hais tias nrog kev sib cais technology tshiab, ib zaug tangledtsawg ntiaj tebthiab txhuas kuj tuaj yeem kho zoo li cov qhua.
Nyob rau hauv txoj kev no, cov ntsiab lus aluminium ntawmtsawg ntiaj tebtuaj yeem tswj tau qis dua ib txhiab, tso lub hauv paus rau kev ua tiav high-puritytsawg ntiaj tebkev sib cais thiab kev tsim khoom huv si yam tsis muaj hluav taws xob pov tseg.
Kev sib koom ua ke ntawm "kev txhim kho mining leaching" ntxiv ntsuab rau lub ntiaj teb tsis tshua muaj mining
Los ntawm Nanchang mus rau Ganzhou, los ntawm lub ntiaj teb tsis tshua muaj mines mus rau lub ntiaj teb tsis tshua muaj smelting thiab kev sib cais kev lag luam... Li Yongxiu tsis tuaj yeem nco qab cov sij hawm uas nws tau mus ncig. Muaj ntau ntau mus ncig ua si hauv ib xyoos, kuv tsis paub tias muaj pes tsawg. Nrog kev hlub rau lubtsawg ntiaj tebkev lag luam, Li Yongxiu coj nws pab neeg mus tas li sim thiab innovate nyob rau hauv txoj kev tshiab ntawm kev pab txoj kev loj hlob zoo ntawm lub ntiaj teb tsis tshua muaj kev lag luam.
Kev siv lub teb chaws "dual carbon" lub hom phiaj tau muab cov kev cai tshiab rau kev txhim kho ecological ib puag ncig thiab tiv thaiv ib puag ncig muaj kuab paug, thaum tseem coj cov cib fim tshiab rau lub ntiaj teb tsis tshua muaj kev lag luam.
Yuav ua li cas kom tau txais cov nroj tsuag ntsuab hauv cov txheej txheem tsim khoom tsawg hauv ntiaj teb thiab kev koom ua ke ntawm "kev kho mining leaching" yog lwm qhov chaw tshiab.
Lub hauv paus tseem ceeb ntawm qhov kev tsim kho tshiab no yog siv qhov kev kwv yees pom thiab kev tswj hwm txoj hauv kev rau ob peb txoj kev tshawb nrhiav thiab kev siv tshuab leaching, nrog rau leaching thiab ecological restoration, kom ua tiav qhov no. "Li Yongxiu tau hais tias qhov tseem ceeb ntawm ion adsorption hom deposits yog lawv tsis sib xws. Yog li ntawd, in-situ leaching mining technology tsis muaj cov ntaub ntawv ntawm lub ntiaj teb tsis tshua muaj kev faib tawm thiab geological thiab hydrological tej yam kev mob yuav tsis ua tau. leverage cov kev ua tau zoo ntawm Jiangxi University of Technology, Nanchang University, thiab Wuhan University nyob rau hauv seepage kwv yees thiab tswj txheej txheem.
Cov txheej txheem ntsuab extraction ntawm ion adsorption homtsawg ntiaj tebore yuav tsum tsis tsuas yog xav txog kev ua haujlwm ntawm mining, kev cuam tshuam ib puag ncig, cov khoom lag luam zoo, thiab cov nqi tsim khoom, tab sis kuj tseem ua ke tag nrho cov qauv ntawm cov mine, leaching kua seepage, thiab ecological restoration technology los optimize engineering tsim. "Li Yongxiu tau piav qhia tias txhawm rau zam kom tsis txhob muaj kev sib koom ua ke ntawm kev daws teeb meem leaching thiab ua tiav kev sib koom ua ke ntawm mining, leaching, thiab kho.
Nyob rau hauv cov nqe lus ntawm ore leaching txoj kev, peb tawm tswv yim los txiav txim seb puas yuav txais nyob rau hauv-situ leaching los yog heap leaching raws li cov ntaub ntawv tshawb fawb ntau lawm, los yog ib tug organic ua ke ntawm ob txoj kev. "Li Yongxiu hais tias nyob rau hauv cov nqe lus ntawm heap leaching technology, pab neeg tshawb fawb tau tsim ib tug controllable heap leaching thev naus laus zis los ntawm kev loj hlob piles los hloov cov yav tas los loj-scale heap leaching txoj kev ntawm ib txhij leaching. , leaching, thiab kho, tshem tawm cov av yaig thiab av tawg thaum lub sij hawm leaching txheej txheem thiab tom qab tailings.
Li Yongxiu hais rau cov neeg sau xov xwm tias qhov project tsom mus rau cov teeb meem tseem ceeb xws li cov peev txheej rov qab los tsawg thiab cuam tshuam ib puag ncig tseem ceeb hauv hom ion.tsawg ntiaj tebtxheej txheem rho tawm. Lub hauv paus thiab kev tshawb fawb thiab kev tsim kho ua haujlwm rau kev ua haujlwm zoo thiab ntsuab ion adsorption homtsawg ntiaj tebkev rho tawm tau raug ua tiav, thiab cov kev ua tiav tshiab tau ua tiav.
Kev tsim kho thev naus laus zis thiab kev vam meej yuav txuas ntxiv 'ntxiv ntsuab' rau kev txhim kho ntawm Tuam Tshoj tustsawg ntiaj tebkev lag luam, "said Li Yongxiu. Txoj haujlwm tau ua tiav tshiab hauv kev tshawb xav, kev txhim kho thev naus laus zis, kev ua qauv qhia, thiab lwm yam loj. Nws qhov kev txhawb nqa loj thiab daim ntawv thov yuav txhawb kev loj hlob ntawm kev tshawb fawb thiab kev siv tau zoo ntawm lub ntiaj teb nruab nrab thiab hnyav tsawg. ntiaj teb cov peev txheej, thiab txhawb cov kev loj hlob zoo ntawm ryog ntiaj tebkev lag luam.
Post lub sij hawm: Oct-24-2023