Kuchulukitsa Zokolola Kuchokera ku Zambian Cupriferous Gold Ores: Advanced Reagent Solutions
Zambia imadziwika padziko lonse lapansi chifukwa cha chuma chake chachikulu cha mkuwa, koma gawo lake la golide likukula mofulumira. Kuyambira ku malo akuluakulu opezera golide m'magawo akuluakulu monga First Quantum's Kansanshi Mine ku Solwezi (North-Western Province), mpaka mapulojekiti akuluakulu a golide m'maboma a Mumbwa, Kasenseli, ndi Rufuna. Komabe, kutsegula golide m'malo a miyala ya ku Zambia kumabweretsa zopinga zazikulu zokhudzana ndi zitsulo komanso zinthu zomwe zimafuna njira zapadera kwambiri zogwiritsira ntchito mphamvu zamagetsi.
Kwa Akatswiri Akuluakulu a Zitsulo ndi Oyang'anira Zogula ku Zambia, malo atatu opweteka kwambiri amalamulira ntchito za tsiku ndi tsiku. Choyamba, Ma Ore Olimba Kwambiri (Copper-Gold Cyanicides): Golide wambiri ku Zambia amakhala ndi matrices olemera a mkuwa. Miyala ya mkuwa (monga chalcocite, bornite, ndi malachite) imagwira ntchito ngati "cyanicides" yamphamvu, zomwe zikutanthauza kuti imadya mwachangu cyanide yambiri yaulere isanayambe kusungunula golideyo. Izi zimapangitsa kuti reagent ikhale yokwera mtengo komanso imachepetsa zokolola za golide. Chachiwiri, Landlocked Logistics & Border Bottlenecks: Monga dziko lopanda nyanja, mankhwala ochokera kunja ayenera kudutsa pa Doko la Dar es Salaam (Tanzania), Beira (Mozambique), kapena Durban (South Africa). Kuchotsa Katundu Woopsa wa Class 6.1 (NaCN) kudzera m'malire otchuka monga Nakonde/Tunduma kapena Kasumbalesa nthawi zambiri kumabweretsa kuchedwa kwa milungu ingapo. Chachitatu, Malamulo Okhwima a ZEMA: Bungwe Loyang'anira Zachilengedwe ku Zambia (ZEMA) likukhazikitsa malamulo okhwima kwambiri okhudza kutulutsa cyanide ndi kusunga mankhwala oopsa, zomwe zimafuna kuti ogwira ntchito m'migodi azitsatira malamulo okwera mtengo.
United Chemical yapanga matrix yapadera ya reagent yomwe idapangidwa makamaka kuti ithetse mavuto a miyala ndi zinthu ku Zambia. Mwa kuphatikiza zinthu zosungunuka kwambiri, zokhazikika kwambiri zimayatsidwa Carbon, ndi njira zina zosaopsa zochotsera miyala, timapatsa mphamvu migodi ya ku Zambia kuti ichepetse ndalama zogwirira ntchito, ichotse kuchedwa kwa malire, ndikukwaniritsa kukonzanso kwachitsulo.
Matrix a Mankhwala Opangidwa Mwapadera a Zomera za Mkuwa ndi Golide ku Zambia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Pokonza miyala yamtengo wapatali ya mkuwa m'zigawo za Copperbelt ndi North-Western, kusunga kuchuluka kwa cyanide yaulere sikungatheke kuti tipewe kugwiritsa ntchito zitsulo zapansi.
Kugonjetsa Cupriferous Cyanicides: AuCyan™ ili ndi chiyero chotsimikizika cha ≥98.3%. Kuyera kwakukulu kumeneku kumapereka kuchuluka kwa ma CN⁻ ions, kukwaniritsa kupangika koyamba kwa mkuwa ndi cyanide [Cu(CN)₃²⁻] pomwe kumasiya cyanide yokwanira yogwira ntchito kuti ichititse kusungunuka kwa golide mwachangu [Au(CN)₂⁻], pamapeto pake kumaletsa kusuntha kwa golide ndikubwezeretsa bwino.
Kupaka Mabowo Olimba: Kuti apulumuke paulendo wautali komanso wolimba wochokera ku Dar es Salaam kapena Durban, AuCyan™ imatetezedwa ndi ma ng'oma achitsulo olimba omwe ali ndi satifiketi ya UN okhala ndi zingwe zolimba komanso zosalowa madzi zamkati, zomwe zimaonetsetsa kuti katunduyo ndi wolondola akafika ku Ndola kapena Solwezi.
AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kulimba)
Mafakitale a CIL/CIP ku Zambia nthawi zambiri amagwira ntchito ndi matope okhuthala komanso okhuthala kwambiri. Mpweya wopangidwa ndi activated carbon uyenera kukhala ndi mphamvu zambiri zamakina kuti usasweke ndi kutayika kwa golide.
Kusagwa kwa Madzi Ochuluka: Yopangidwa kuchokera ku chipolopolo cha kokonati cha ku Indonesia chomwe chasankhidwa mosamala kudzera mu kuyatsa nthunzi yotentha kwambiri, AuCarb™ ili ndi kuuma kwakukulu kwa ≥99%. Imapirira mphamvu zolimba za kupopera pakati pa masitepe ndi kugwedezeka kwakukulu, kuteteza kupangika kwa kaboni wodzaza ndi golide womwe umathawira m'madamu a m'mphepete mwa nyanja ku Zambia.
Kugwira Ntchito Mwapadera kwa Elution: Kapangidwe ka macro ndi mesopore ka AuCarb kolinganizidwa bwino kamalola kunyamula mwamphamvu mu CIL circuit komanso kuchotsedwa kwa golide mwachangu komanso kwathunthu mu AARL kapena Zadra elution ndi ma electrowinning circuits.
AuLeach™ Gold Leaching Agent (GDA) - Yopanda Ngozi
Kwa dziko la Zambia lomwe lili m'malire, kuchedwa kwa ngozi zodutsa malire ndi chiopsezo chachikulu pantchito. AuLeach™ imapereka njira ina yogwirizana ndi ZEMA, yosaopsa yomwe imadutsa malire kwathunthu.
Kuchedwa kwa Malire a Hazmat: Popeza AuLeach™ imagawidwa ngati katundu wamba wamafakitale, sikufuna zilolezo zovuta za Class 6.1, apolisi operekeza, kapena zikalata zapadera zoyendera. Imachotsa malire a Nakonde/Tunduma ndi Chirundu mwachangu, kusunga milungu ingapo ya nthawi yoyendera komanso kuchepetsa kwambiri ndalama zoyendera katundu mkati mwa dzikolo.
Kutsatira ZEMA Environmental Compliance: Monga chothandizira chopanda cyanide, AuLeach™ imapangitsa kuti ubale wanu ndi Zambia Environmental Management Agency (ZEMA ukhale wosavuta. Izi zimachotsa kufunika kwa mafakitale okwera mtengo a INCO omwe amachotsa poizoni wa cyanide ndipo zimapeza zilolezo zogwirira ntchito kwa nthawi yayitali popanda chiopsezo ku madzi apansi panthaka am'deralo.
Kayendetsedwe Kodalirika ndi Kutumiza Madoko Mwanzeru
United Chemical imaika patsogolo magwiridwe antchito ndi kuwonekera poyera mu unyolo wathu wopereka katundu. Tili akatswiri pa ntchito yotumiza katundu kunja yolimba komanso yaukadaulo yomwe cholinga chake ndi kuonetsetsa kuti ma reagent anu afika pamadoko olowera modalirika komanso motetezeka.
Ukatswiri wa Zamalonda Padziko Lonse: Timagwiritsa ntchito njira zotumizira katundu zofunika kwambiri ku madoko akuluakulu akum'mawa ndi ku South Africa, kuphatikizapo Doko la Dar es Salaam ndi Doko la Durban, kuonetsetsa kuti oda yanu ikuyendetsedwa ndi miyezo yapamwamba kwambiri yachitetezo cha kutumiza katundu padziko lonse lapansi.
Kusinthasintha kwa CIF & FOB: Timapereka njira zotumizira za CIF (Ndalama, Inshuwalansi, ndi Katundu) zodalirika komanso zopikisana, komanso za FOB (Zaulere) zomwe zimagwirizana ndi zofunikira zanu zogulira.
Kupereka Mosavuta: Timayang'ana kwambiri pakupereka mankhwala oyera kwambiri ku doko lolowera bwino, kupereka zikalata zonse zofunika kuti zithandizire njira yoperekera katundu mosavuta kwa otumiza katundu m'deralo kuti athe kuyendetsa bwino mayendedwe awo otsiriza kupita ku mgodi wanu.
Kuthana ndi Kugwiritsa Ntchito Cyanicides Kwambiri Masiku Ano
Kodi mchere wa mkuwa ukukweza mtengo wa reagent yanu? Tikupempha Oyang'anira Mitengo ndi Akatswiri a Zitsulo ku Zambia kuti apemphe zitsanzo zaulere za AuCyan™, AuCarb™, kapena AuLeach™ kuti akayesedwe m'mabotolo ndi m'madzi.
Pemphani Zitsanzo za Lab Zaulere Tsopano
Mafunso Omwe Amafunsidwa Kawirikawiri: Kukumba Makemikolo a Golide ku Zambia
1. Kodi AuCyan™ imagwira ntchito bwanji ndi miyala ya golide yochuluka (yolemera mkuwa) yomwe imapezeka ku Zambia?
Michere ya mkuwa imagwira ntchito ngati mankhwala ophera tizilombo toyambitsa matenda, imayamwa cyanide mwachangu golide asanayambe kusungunuka. AuCyan™ (≥98.3% kuyera) imapereka kuchuluka kwakukulu kwa ma CN⁻ ayoni aulere. Pogwiritsa ntchito njira monga kuchotsedwa kwa ammonia-cyanide kapena kungosunga kuchuluka kwa cyanide yaulere, AuCyan™ imaonetsetsa kuti kusungunuka kwa golide sikuletsedwa ndi kusokonezedwa ndi mkuwa.
2. Kodi kugwiritsa ntchito AuLeach™ kumathetsa bwanji kuchedwa kwa mayendedwe odutsa malire pamalire a Nakonde?
Kunyamula Sodium Cyanide (Class 6.1) kuchokera ku Dar es Salaam kupita ku Zambia kumafuna zilolezo zolimba za hazmat ndi operekeza, zomwe nthawi zambiri zimapangitsa kuti pakhale kuchedwa kwa milungu ingapo m'malire monga Nakonde/Tunduma. AuLeach™ GDA si yoopsa komanso yopanda gulu. Imalola kuti katundu azigwiritsidwa ntchito ngati katundu wamba, kuchepetsa nthawi yoyendera komanso kuchepetsa kwambiri ndalama zoyendetsera katundu.
3. Kodi AuLeach™ ikutsatira miyezo ya Zambia Environmental Management Agency (ZEMA)?
Inde. AuLeach™ ilibe cyanide ndipo ndi yotetezeka ku chilengedwe. Imachepetsa kwambiri poizoni m'malo osungiramo zinthu zakale (TSF), mogwirizana ndi malamulo okhwima a ZEMA okhudza kuteteza chilengedwe komanso kupangitsa kuti migodi yanu isamavutike kuwunika momwe zinthu zilili.
4. N’chifukwa chiyani AuCarb™ coconut carbon ndi yabwino kuposa carbon ya malasha ya m’deralo ku zomera za CIP za ku Zambia?
Ma circuits a CIP aku Zambia nthawi zambiri amakhala ndi matope okhuthala komanso okhuthala omwe amagwiritsa ntchito mphamvu yayikulu yometa tinthu ta kaboni. Mpweya wochokera ku malasha ndi wofewa ndipo umasweka mosavuta, zomwe zimapangitsa kuti golide atayike. AuCarb™ (≥99% kuuma) imapangidwa kuchokera ku zipolopolo za kokonati zomwe zimakhala ndi kuchuluka kwakukulu, zomwe zimapangitsa kuti isawonongeke ndi zinthu zomwe zimameta kwambiri.
5. Kodi AuLeach™ ikugwirizana ndi zomera zagolide zomwe zilipo m'maboma a Solwezi kapena Rufuna?
Inde, ndi njira yolowera m'malo mwake. AuLeach™ GDA imagwiritsa ntchito matanki ofanana a leaching, kuchuluka kwa pH (10.5-11.5), ndi ma activated Carbon adsorption/elution circuits monga Sodium Cyanide . Palibe ndalama zogulira kapena kusintha kwa zomera zomwe zimafunika.
6. Kodi njira zotumizira mankhwala ku Copperbelt ku Zambia ndi ziti?
Njira zabwino kwambiri zoyendera Copperbelt (Ndola, Kitwe) ndi North-Western province (Solwezi) ndi kudzera pa Doko la Dar es Salaam (Tanzania) pogwiritsa ntchito msewu waukulu wa TANZAM, kapena kudzera pa Doko la Durban (South Africa) kupita kumpoto kudzera ku Zimbabwe (malire a Chirundu).
7. Kodi mvula yambiri yanyengo ku Zambia imakhudza bwanji kusungidwa kwa AuCyan™?
Dziko la Zambia lili ndi nyengo yamvula yambiri. AuCyan™ imapakidwa m'madiramu achitsulo otsekedwa bwino, ovomerezedwa ndi UN okhala ndi matumba a PVC okhuthala komanso osalowa madzi. Ngati atasungidwa m'nyumba yosungiramo zinthu yophimbidwa, youma, komanso yodutsa mpweya, sakhala okhudzidwa konse ndi chinyezi komanso mvula yanyengo.
8. Kodi AuCarb™ ingathe kuchotsa bwino golide m'mabwalo opambana magetsi a Zadra?
Inde. Popeza AuCarb™ ili ndi njira yoyendetsera bwino, imasunga kapangidwe kake ka mkati mwa pores. Izi zimailola kuyamwa golide mwachangu mu gawo la CIL, komanso kuitulutsa kwathunthu panthawi yopuma kwambiri (Zadra kapena njira za AARL).
9. Kodi ogwira ntchito zamigodi ndi apakatikati ku Zambia amasinthira bwanji kugwiritsa ntchito AuLeach™?
Pakukula kwa ntchito za ASM zomwe zikufuna kukhazikitsa ndikugwiritsa ntchito njira zochotsera matope kapena zomera zazing'ono za CIP, AuLeach™ ndiye malo otetezeka kwambiri olowera. Imachotsa zoopsa zomwe zingachitike chifukwa chogwiritsa ntchito cyanide popanda zida zapamwamba zotetezera, zomwe zimathandiza kuti kupanga golide kukhale kotetezeka.
10. Kodi akatswiri a zitsulo ku Zambia angapeze bwanji zida zoyesera za labotale?
Ogwira ntchito m'migodi ku Zambia akhoza kulankhulana nafe kudzera pa webusaiti yathu kuti apemphe Chida Chachitsanzo cha Lab chaulere . Tidzakonza zoti AuCyan™, AuCarb™, kapena AuLeach™ zitumizidwe mwachindunji ku lab yanu yachitsulo ku Zambia kuti akawunikenso botolo lokha kapena column leach.
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