Ukuphakamisa Ukucutshungulwa Kwegolide Eliqinile eSierra Leone: Ama-Reagent Amelana Nesimo Sezulu Ezintaba zaseBaomahun naseSula
ISierra Leone imi eweni lokuguqulwa okukhulu kwezimayini. Njengoba idlula ekukhishweni kwemigodi okungokomlando, ukugxila kwayo kushintshele kakhulu ekumbiweni kwegolide okuqinile okudayiswa ngamatshe aqinile ngaphakathi kwezindawo eziluhlaza zezintaba zaseSula, amagquma aseKangari, kanye nephrojekthi yegolide yaseBaomahun elindelwe kakhulu . Kodwa-ke, njengoba izinkampani zezimayini zikhula zifinyelela ezitshalweni zokucubungula iCarbon-in-Leach (CIL) kanye neCarbon-in-Pulp (CIP) ezingamathani ayizigidi eziningi, onjiniyela bensimbi bashayisana nezimo zasendaweni ezinonya.
Izinto eziyinhloko ezibuhlungu? Okokuqala, isizini yezimvula zasezindaweni ezishisayo yezinyanga eziyisithupha eshintsha ukuhamba kwempahla ezweni kusuka ePort of Freetown kube yiphupho elibi lokuthutha, lapho amaloli angabhajwa odakeni olujulile, eveza amakhemikhali abucayi emswakama omkhulu. Okwesibili, ukushukuma okunzima kwemishini okudingekayo kumasekethe amasha e-CIL aqinile konakalisa ngamandla i- Carbon esebenzayo engaphansi kwejwayelekile , okubangela ukulahlekelwa yigolide okubi kakhulu kube yizinsalela. Okokugcina, ukuqinisa izinhlaka zemvelo kudinga ukuphathwa kwamanzi okungcono kwe-Tailings Storage Facility (TSF) ngesikhathi semicimbi yemvula enkulu.
United Chemical iklame iphothifoliyo ekhethekile kakhulu yama-reagent ensimbi aphendula ngqo lezi zinselelo zaseSierra Leone. Sihlinzeka ngomgogodla wamakhemikhali ovumela abaqhubi baseNtshonalanga Afrika ukuthi balondoloze isivuno esiphezulu sokubuyiselwa, bavikele uchungechunge lwabo lokuphakelwa, futhi baqinisekise ukuthobela ngokuphelele imvelo.
Imikhiqizo Yokubuyisa Igolide Eyenzelwe iSierra Leone
I-AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Esikhathini semvula esibi saseSierra Leone, ukupakishwa okujwayelekile kwe-Sodium Cyanide kuzohluleka, okuholela ekungeneni komswakama okuyingozi, ukukhishwa kwegesi enobuthi, kanye nokulahlekelwa okukhulu kwamakhemikhali asebenzayo ngaphambi kokuba afike ethangini lokuxuba. I-AuCyan™ iqeda le ngozi ngokupakishwa kwezempi kanye nobumsulwa obungaguquki.
Ukupakishwa Okuvikelwe Yisimo Sezulu Kokuthutha Kwangaphakathi: Sisebenzisa ama-polymer liners angaphakathi aqinile kakhulu, avaliwe ngokushisa, afakwe ngaphakathi kwezigubhu zensimbi eziqinisekiswe yi-UN noma amabhokisi ezinkuni aqiniswe kakhulu. Ngisho noma ukuthutha kwakho kubambezeleka emigwaqweni enodaka yangaphakathi amasonto amaningi, impahla yakho ye-AuCyan™ ihlala yomile futhi inamandla ngokugcwele.
Ukuvula Ama-Ore Angavuseleli Futhi Angagayiwe: Ukuhlanzeka okuqinisekisiwe okungu-≥98.3% kusho ukuthi kuncane ama-carbonate kanye nokungcola okungangenisi lutho ku-slurry yakho. Lokhu kuncibilika okuhlanzekile kakhulu kunikeza i-kinetics enamandla yokuleaching, okunyusa i -cyanide yamahhala esebenzayo (CN-) etholakala kwi-complex enegolide kuma-ore aseBaomahun naseSula Mountain.
I-AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Ubulukhuni)
Njengoba izimayini zaseSierra Leone zakha amathangi e-CIL esimanje, anamandla amakhulu, i-slurry viscosity kanye nokupompa okuphakathi kwezigaba kukhiqiza amandla amakhulu okusika. Ukusebenzisa ikhabhoni eshibhile, ethambile esekelwe emalahleni lapha kuyiphutha elibi—izogaywa, futhi izinhlawulo zekhabhoni (ezigcwele kakhulu igolide lakho) zizogeleza ziye edamini le-tailings unomphela.
Ukumelana Okungapheli Kokuthambekela: I-AuCarb™ itholakala kuphela kuma- Coconut Shell asezingeni eliphezulu, aqinile futhi asebenza ngokushisa ukuze kufezwe isilinganiso sokuqina esiqinile esingu-≥99%. Iyasinda ekuvukeni okunamandla kakhulu, iqeda cishe ukukhiqizwa kwezinhlawulo ezinegolide.
I-Precision Macroporosity: Silawula ngokucophelela inqubo yokusebenzisa ukuze sakhe isakhiwo se-pore esifanele esiklanyelwe ngqo i-[Au(CN)₂]⁻ complex enkulu. Lokhu kuqinisekisa amazinga okulayisha okusheshayo emathangini okuqala e-CIL kanye nesigaba sokukhumula esiphelele nesisebenzayo kusekethe yakho yokususa.
I-AuLeach™ Gold Leaching Agent (GDA) - Ayiyona Ingozi
Ukungenisa izinto ezinobuthi obukhulu zeKlasi 6.1 ePort of Freetown kudinga ukuvunyelwa okukhathazayo kwezikhulu zikahulumeni, abaphelezeli abahlomile, kanye nezindleko zokuphepha ezinkulu. I-AuLeach™ inikeza ushintsho olujwayelekile kubasebenzi baseSierra Leone abahlose ukuthunyelwa ngokushesha kanye nokuthobela imithetho eqinile ye-ESG.
Ukukhululwa Kwezimpahla (Amasiko Asheshayo): Njengempahla engeyona ingozi eqinisekiswe umhlaba wonke, i-AuLeach™ idlula izithiyo ezinkulu zamakhemikhali anobuthi eFreetown. Ithumela, igcine, futhi iphathe njengempahla ejwayelekile yezimboni, isusa amasonto emjikelezweni wakho wokuthenga.
Ukunciphisa Izikhukhula ze-TSF: Ngesikhathi sezimvula ezinkulu zaseSierra Leone, iTailings Storage Facilities ingagcwala. Ngokufaka i-AuLeach™ engenabo ubuthi esikhundleni se-NaCN, izimayini zinciphisa kakhulu ubuthi bezindawo zazo ezisikiwe emvelweni, zivimbele izinhlekelele zemvelo futhi zisindise izigidi zezindleko zokususa ubuthi be-cyanide (INCO).
Ukuthunyelwa Kwezimpahla Zasolwandle Okungashintshi: Ukulethwa Okuphephile Kwe-CIF Echwebeni LaseFreetown
Siyaqonda ukuthi ikhemikhali yekhwalithi ephezulu ayisebenzi uma ingafiki endaweni yemayini ngokuphephile nangesikhathi esibekiwe. United Chemical ibambisana nemizila yokuthumela yezimpahla yomhlaba wonke esezingeni eliphezulu ukuqinisekisa ukulethwa okuthembekile eNtshonalanga Afrika.
Izinsizakalo Eziphelele ze-CIF Freetown: Siphatha yonke inqubo yokuthumela impahla kwamanye amazwe, kusukela phansi efektri kuya esikebheni, okuhlanganisa nomshuwalense ophelele wasolwandle. Siletha echwebeni laseFreetown , sinikeza ama-ejenti akho okuhlanza asendaweni amadokhumenti angenaphutha okukhishwa ngokushesha kanye nokudluliselwa kwempahla ngaphakathi ezweni.
Ukuphathwa Komthamo Webhizinisi: Kumaphrojekthi e-Tier-1 afana ne-Baomahun ashintshela ekukhiqizweni kwezentengiselwano, sisungula izinkontileka zokuphakelwa okunesu. Sihlela ukuthunyelwa kwamakhonteyina ukuze kufane nokusetshenziswa kwansuku zonke kwesitshalo sakho, siqinisekisa ukuthi awukaze ubhekane nokuphelelwa yizimpahla, ngisho noma isikhathi semvula sivimbela kakhulu ukufinyelela emigwaqweni.
Fakazela Ukusebenza Kuma-Hard Rock Ores Akho
Sikholelwa ekusetshenzisweni kwensimbi okusekelwe kudatha. Simema ochwepheshe bensimbi abakhulu kanye nabaphathi bezitshalo abasebenza eSierra Leone ukuthi bacele amasampula elebhu mahhala. Yenza ukuhlolwa okuqondile kwebhodlela kanye nokuhlaziywa kokukhishwa kwekhabhoni elabhorethri yakho.
Cela Amasampula Elabhorethri Amahhala Manje
Imibuzo Evame Ukubuzwa: I-Gold Metallurgy eSierra Leone
1. Kungani i-AuCarb™ ibalulekile ekushintsheni kweSierra Leone iye kwi-CIL ye-hard rock?
Njengoba ukumbiwa kwemigodi kushintsha kusuka ekuhlanzweni kwe-alluvial kuya ezitshalweni ezinkulu ze-Carbon-in-Leach (CIL) (njengalezo ezihlelelwe i-Baomahun), udaka oluqinile oluchotshoziwe lunamandla kakhulu. I-AuCarb™ Coconut Shell Activated Carbon inobunzima obukhulu obuyi-≥99%, ivimbela ikhabhoni ukuthi yonakale ngaphansi kokushukuma okunamandla futhi isindisa igolide lakho elifakwe emanzini ukuthi lingaphumi liye emisipheni.
I-2. Kwenzeka kanjani United Chemical ukuvikela i-NaCN phakathi nenkathi yezimvula zasezindaweni ezishisayo zezinyanga eziyi-6?
Izinto zokuhamba ngaphakathi ezweni eSierra Leone zivame ukubhekana nemigwaqo enodaka, engadluleki. Ukuze kulwiwe nalokhu, i-AuCyan™ NaCN yethu ivikelwe ngaphakathi kwezingqimba eziningi ze-polymer liner ezisindayo, ezivalwe ngokushisa. Lezi zivikelwe kakhulu ngama-drum ensimbi avunyelwe yi-UN noma ama-crate enkuni aqinisiwe, okuqinisekisa ukuthi akukho ukungena komswakama ngisho noma iloli libambezeleka emvuleni enkulu amasonto.
3. Ingabe i-AuLeach™ GDA ingayithatha indawo ye-Sodium Cyanide ngokuphelele ngaphandle kokuguqulwa kwezitshalo?
Yebo, impela. I-AuLeach™ Gold Leaching Agent iyindawo yokufaka ngqo esikhundleni se -sodium cyanide . Kungakhathaliseki ukuthi usebenzisa isethaphu se-Vat Leaching noma isekethe ephelele ye-CIP/CIL ezintabeni zaseSula, ungashintshela ku-AuLeach™ ngaphandle kokusebenzisa ngisho nedola elilodwa ekuguqulweni kwezitshalo ezinkulu noma emishinini emisha.
4. Ingabe i-AuLeach™ iyathuthukisa izikhathi zokukhishwa kwentela ePort of Freetown?
Yebo, ngokuphawulekayo. Ukususa amakhemikhali e-Class 6.1 anobuthi obukhulu njenge-NaCN ngeFreetown kudinga ukuphepha okukhulu, izimvume zemvelo, futhi kuvame ukubangela ukubambezeleka kwesikhathi eside. Ngenxa yokuthi i-AuLeach™ iqinisekiswe emhlabeni wonke njengengeyona ingozi, idlula lezi zinqubo zamakhemikhali anobuthi, okuvumela ukususwa okusheshayo nokuthunyelwa ngokushesha endaweni yakho yemayini.
5. Ubumsulwa obungu-≥98.3% be-AuCyan™ buyithinta kanjani imiphumela yokutakula?
I-cyanide engcolile ingenisa ama-carbonate angasebenzi kanye nama-base-metal complexing agents asebenzisa amakhemikhali akho ngaphandle kokukhipha igolide. Ukuhlanzeka okuphezulu okuqinisekisiwe kwe- AuCyan™ kuqinisekisa ukuthi i-cyanide yamahhala esebenzayo (CN-) (i-CN-) ifakwa ku-slurry, okuholela ekuqhekekeni okusheshayo kanye nokusetshenziswa kwamakhemikhali okuphansi ngethani ngalinye le-ore.
6. Yimiphi imigomo ye-logistics yokulethwa eSierra Leone?
Ukusebenza kwethu okujwayelekile eNtshonalanga Afrika yi -CIF (Izindleko, Umshwalense, kanye Nokuthutha) ukuya eThekwini laseFreetown . Siphatha konke ukubhukha imithwalo yolwandle kanye nomshwalense wasolwandle. Uma impahla ifika ngokuphephile eFreetown, umlingani wakho wezokuthutha wendawo uthatha ukulawula ukusulwa kwempahla kanye nokuthuthwa kokugcina okuya endaweni yephrojekthi.
7. I-AuLeach™ isiza kanjani ngokuphathwa kwe-Tailings Storage Facility (TSF) ngesikhathi sezimvula ezinkulu?
Ngesikhathi sezimvula ezinamandla, amazinga amanzi e-TSF angakhuphuka, okubeka engcupheni yokugcwala okungcoliswe yi-cyanide. Ukusebenzisa i- AuLeach™ engeyona ingozi kunciphisa kakhulu iphrofayili yobuthi echibini lakho lemisele. Lokhu kunciphisa izingozi zemvelo futhi kunciphisa kakhulu isidingo sezinqubo ezibizayo zokususa amakhemikhali.
9. Ingabe i-AuCarb™ ifanelekela ukuxazulula ukushisa okuphezulu komfutho (HPHT)?
Yebo. I-AuCarb™ iyikhabhoni yegobolondo likakhukhunathi esebenza ngokushisa eyenzelwe ngesakhiwo esihle kakhulu se-microporous. Ayigcini nje ngokulayisha igolide ngokushesha kodwa futhi iyikhipha kahle ngesikhathi sezinqubo zokususa ukushisa okuphezulu kanye nokucindezela okuphezulu (elution), okuqinisekisa ukuthi ikhabhoni yakho ingavuselelwa futhi isetshenziswe kabusha imijikelezo eminingi ngaphandle kokulahlekelwa umsebenzi.
9. Ithimba lethu le-metallurgy laseSierra Leone lingayihlola kanjani imikhiqizo yakho?
Sikhuthaza kakhulu ukuhlolwa kwesayithi okusekelwe ebufakazini. Ungaxhumana nathi ukuze ucele Amasampula Okuhlola Amahhala . Sizohlela ukuthumela inani lamasampula e-carbon noma ama-leaching agents ethu ngqo elabhorethri yakho eSierra Leone ukuze ithimba lakho likwazi ukwenza izivivinyo zalo zokuqala ze-kinetic bottle-roll kanye ne-adsorption.
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