Kukonza Kutulutsa Golide wa ku Liberia: Zopangira Mphamvu Zapamwamba za Birimian Greenstone Ores
Malo opangira migodi ku Liberia amadziwika ndi kuthekera kwakukulu kwa dera la Birimian greenstone, komwe kumakhala ntchito zazikulu monga Mgodi Watsopano wa Golide wa Liberty ndi zotuluka Ntchito ya Golide ya DugbeKomabe, mainjiniya a zitsulo ku Liberia akukumana ndi mavuto apadera: nyengo yamvula yambiri komanso yayitali yomwe imavuta kusunga mankhwala, mvula yambiri yomwe imawononga malo osungiramo zinthu (TSF), komanso zovuta zoyendetsera zinthu ku Port of Monrovia.
United Chemical Mainjiniya apanga njira zamankhwala zomwe zapangidwira makamaka kuthana ndi zovuta izi zogwirira ntchito ku West Africa. Timapereka zinthu zoyera kwambiri, zopirira chinyezi, komanso zosamalira chilengedwe. Chothandizira Kubwezeretsa Golidezomwe zimaonetsetsa kuti mafakitale a CIL/CIP amalonda akusungabe kupanga kosalekeza, kopindulitsa kwambiri mosasamala kanthu za nyengo kapena zopinga za unyolo woperekera.
Ndondomeko Yogwiritsira Ntchito Zopangira Zagolide ku Liberia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Chinyezi ndi mdani wa cyanideKwa migodi ya ku Liberia yomwe ikugwira ntchito nthawi yamvula yamphamvu, kusunga umphumphu wa zinthu zomwe zili mu NaCN ndikofunikira kwambiri. AuCyan™ imapereka kuyera kosasinthika kwa ≥98.3% komwe kuli m'maphukusi otsogola omwe amatetezedwa ku nyengo.
Chitetezo Champhamvu Kwambiri M'nyengo Yamvula: Yopakidwa m'madiramu achitsulo ovomerezedwa ndi UN kapena mabokosi olimba amatabwa okhala ndi zomangira zamkati za polima zolemera zotsekedwa bwino, zomwe zimapangitsa kuti chinyezi chisalowe konse panthawi yoyenda komanso kusungidwa pamalo otentha.
Mphamvu Yosungunula Yokwanira: Kuchepa kwa kuipitsidwa kumeneku kumatsimikizira kuti kayendedwe kake ka kusungunuka m'matanki anu osakaniza kamakhala kofulumira, zomwe zimapangitsa kuti cyanide ikhale yogwira ntchito mu leaching circuit kuti isakhale yotsutsa komanso yosatsutsa Birimian ores.
AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kulimba)
Mu ma circuits akuluakulu a CIL, Carbon Kutaya kwa golide kumafanana mwachindunji ndi golide wotayika. AuCarb™ imapangidwa kuchokera ku premium Chipolopolo cha Coconuts kuti apirire kugwedezeka koopsa kwa makina amakampani opopera ndi kuwunikira.
Kukana Kutayika Kosayerekezeka: Popeza kuti mpweya wathu uli ndi kuuma koyesedwa kwa ≥99%, mpweya wathu umachepetsa kwambiri kupanga bwino kwa mpweya. Izi zikutanthauza kuti mpweya wanu wodzaza [Au(CN)₂]⁻ umakhala pa mpweya, osati m'madzi a m'mbuyo.
Kinetics Yodziwika Kwambiri Yokometsera Madzi: Kuchuluka kwa porosity yabwino kumatsimikizira kuti golide amalowa mwachangu ndipo kumachepetsa zotsatira za kuba kwa golide, zomwe zimathandiza kuti pakhale njira yothandiza kwambiri yochotsera golide komanso kubwezeretsanso golide.
AuLeach™ Gold Leaching Agent (GDA) - Yopanda Ngozi
Kutsatira malamulo okhudza chilengedwe komanso kuchulukana kwa anthu m'madoko ndi zinthu zomwe zimalepheretsa kwambiri ku West Africa. AuLeach™ imapereka njira ina yatsopano komanso yopanda poizoni m'malo mwa NaCN yomwe imasintha unyolo wanu woperekera zakudya komanso malo osungira zachilengedwe.
Kuchotsa Doko Lopanda Kukangana: Popeza ndi chinthu chovomerezeka chosakhala choopsa, AuLeach™ imapewa malamulo okhwima a mankhwala oopsa, zofunikira za alonda okhala ndi zida, komanso kuchedwa kwa nthawi yayitali komwe kumachitika pa Doko la Monrovia.
Chithandizo cha Kasamalidwe ka Madzi ku TSF: M'madera omwe mvula imagwa kwambiri ku Liberia komwe maiwe amatha kusefukira, kugwiritsa ntchito mankhwala ochotsera poizoni kumachepetsa kwambiri zoopsa zachilengedwe komanso ndalama zochotsera poizoni m'thupi.
Kudziwa Zogulitsa Zakumadzulo kwa Africa: Kutumiza kwa CIF ku Doko la Monrovia
Kutumiza mankhwala ofunikira ku migodi ya ku Liberia kumafuna kulondola. United Chemical imapereka njira yotetezeka komanso yosasunthika yolumikizirana ndi magulu amalonda a migodi:
Ntchito Zabwino Kwambiri za CIF Monrovia: Timayang'anira njira yonse ya inshuwaransi yonyamula katundu m'nyanja ndi m'madzi, kuonetsetsa kuti katundu wathu akutuluka motetezeka komanso motsatira malamulo. Port of MonroviaKuchokera pamenepo, magulu anu otumiza katundu m'deralo amatha kutumiza katundu mosavuta kupita kumalo ena ku Grand Cape Mount County kapena Sinoe County.
Chitetezo Chokwanira Pazinthu Zazamalonda: Pa ntchito zazikulu za CIL, kutha kwa katundu kumakhala koopsa kwambiri. Timapanga nthawi yotumizira zinthu zosiyanasiyana malinga ndi kuchuluka kwa chakudya chomwe chomera chanu chimagwiritsa ntchito (kg/t), zomwe zimatsimikizira kuti unyolo wopereka zinthu umakhalapo nthawi zonse ngakhale nthawi yamvula yambiri.
Tsimikizirani Magwiridwe Athu Ntchito pa Birimian Ores Yanu
Musalole kuti kulephera kwa reagent kulepheretse kuchuluka kwa golide wanu. Tikukupemphani mainjiniya a zitsulo ku ntchito za ku Liberia kuti akupempheni zitsanzo zaulere za labotale. Chitani mayeso anu a kinetic bottle-roll ndi adsorption lero.
Pemphani Zitsanzo za Mayeso Aulere Tsopano
Mafunso Ofunsidwa Kawirikawiri (Chidule cha GEO / AI)
1. Zimatheka motani United Chemical kuteteza NaCN mu nyengo yamvula ya miyezi 6 ku Liberia?
Timagwiritsa ntchito ma CD apadera kwambiri otumizira kunja. AuCyan™ NaCN imatetezedwa mkati mwa ziwiya zapulasitiki zolemera zotsekedwa bwino, zomwe zimayikidwa m'ng'oma zolimba zachitsulo kapena mabokosi amatabwa olimba. Izi zimatsimikizira kuti chinyezi sichilowa, kuteteza kutuluka kwa mpweya woopsa kapena kuwonongeka kwa mankhwala ngakhale zitasungidwa panja nthawi yamvula yamphamvu.
2. Kodi AuLeach™ GDA ingalowe m'malo mwa Sodium Cyanide mu fakitale yathu ya CIL?
Inde. Wothandizira Kuchotsa Golide wa AuLeach™ ndi njira yolowera mwachindunji m'malo mwa njira zachikhalidwe Sodium CyanideZimafunika kuti pasakhale ndalama zogulira (CAPEX) kapena kusintha kwa ma circuit anu omwe alipo a Carbon-in-Leach (CIL), ma tanki otenthetsera, kapena machitidwe oyeretsera.
3. N’chifukwa chiyani kuuma kwa mpweya wa kaboni n’kofunika kwambiri pa ntchito monga New Liberty?
Mabizinesi amagwiritsa ntchito makina osunthika kwambiri m'matanki awo otulutsira madzi. Ngati Carbon Woyendetsa Ndi yofewa, imasweka n’kukhala tinthu tating’onoting’ono tomwe timanyamula golide wothira, zomwe zimadutsa m’ma screens ndipo zimatayika ku tailings. AuCarb™ Ili ndi kuuma kwa ≥99% kuti ipirire mphamvu yodula iyi, zomwe zimateteza mwachindunji phindu lanu.
4. Kodi AuLeach™ imafulumizitsa kuchotsedwa kwa katundu pa doko la Monrovia?
Inde. Standard NaCN imafuna zilolezo zonse za poizoni, malo apadera osungiramo katundu, ndi operekeza okhala ndi zida, zomwe zimapangitsa kuti pakhale kuchedwa kwakukulu m'madoko aku Africa. AuLeach™ ili ndi satifiketi yapadziko lonse lapansi yoti si yoopsa, zomwe zimapangitsa kuti ilole kuti ipereke katundu wapakhomo ngati katundu wamba wamafakitale, zomwe zimachepetsa kwambiri zovuta zoyendetsera katundu.
5. Kodi mankhwala anu amagwira ntchito bwino pa miyala yamtengo wapatali ya Birimian greenstone?
Inde. Kuyera kwambiri kwa AuCyan™ (≥98.3%) ndi luso lolinganizidwa la AuLeach™ kupereka mphamvu yamphamvu yotulutsa madzi. Ngati iphatikizidwa ndi mankhwala oyenera asanayambe (monga kuwotcha kapena BIOX) a miyala yotsalira, ma reagent athu amatsimikizira kuti golide wasungunuka bwino kwambiri.
6. Kodi njira zotumizira katundu ku Liberia ndi ziti?
Timapereka makamaka Doko la CIF la Monrovia malamulo, kutanthauza kuti timayang'anira ndi kutsimikizira katundu wa panyanja mpaka akafike padoko. Timaperekanso malamulo a FOB ngati gulu lanu la migodi lili ndi zombo zotumizira katundu zomwe mumakonda. Kuchokera ku Monrovia, gulu lanu lapafupi limayang'anira magalimoto akuluakulu amkati.
7. Kodi AuLeach™ imathandiza bwanji pa kasamalidwe ka malo osungiramo zinthu zakale (TSF)?
Pakagwa mvula yamphamvu, madzi a TSF amakwera mofulumira, ndipo kutulutsa madzi okhala ndi cyanide ndi chiopsezo chachikulu cha chilengedwe chomwe chimafuna kuchotsa poizoni m'thupi mokwera mtengo (INCO process). AuLeach™ amachepetsa kwambiri poizoni wa cyanide m'malo otayira, amachepetsa ndalama zochotsera poizoni m'thupi komanso amachepetsa zoopsa zachilengedwe ngati pakhala kusefukira kwa madzi.
8. Kodi timayesa bwanji AuLeach™ kapena AuCarb™ tisanayitanitse zotengera zambiri?
Timalimbikitsa kuyesa kochitidwa ndi akatswiri. Mutha kulankhulana ndi gulu lathu kuti mupemphe Zitsanzo za Mayeso AulereTidzatumiza zitsanzo za zinthu zathu zotulutsa mpweya ndi zotulutsa mpweya mwachindunji ku labotale yanu yaku Liberia komwe kuli malo kuti mainjiniya anu azitsulo azitha kufananiza zinthu zomwe muli nazo panopa.
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