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Kudziwa Kuchotsa Golide Mozama Kwambiri & Mopanda Kusinthasintha ku South Africa: Mayankho Apamwamba a Reagent ku Witwatersrand ndi Barberton

Wonjezerani Zokolola Zachitsulo ndi High-Purity AuCyan™ NaCN, AuCarb™ Activated Carbon Yosagonjetsedwa ndi Attrition, ndi DWS-Comlient AuLeach™ GDA
Zotsatira UnitedChemical08-20-2026South Africa420

Kudziwa Kuchotsa Golide Mozama Kwambiri & Mopanda Kusinthasintha ku South Africa: Mayankho Apamwamba a Reagent

Kudziwa Kuchotsa Golide Mozama & Mosakhazikika ku South Africa: Mayankho Apamwamba a Reagent ku Witwatersrand ndi Barberton Africa migodi ya golide mankhwala ochotsera ma reagent AuCyan™ Sodium Cyanide NaCN AuCarb™ Kubwezeretsa Coconut Shell Activated Carbon AuLeach™ Agent GDA cyanide ogulitsa refractory leaching Kukonza mgodi wa Mponeng Deep CIL shell activated carbon Johannesburg Kuyera kwambiri 98.3% Durban Wopanda chiopsezo SA elution electrowinning CIP process recovery from pyritic ores alternative DWS compliant hardness 99% adsorption kinetics Sibanye Stillwater No. 1 picture

South Africa ndi malo oyambira migodi ya golide yamakono. Nyumba zodziwika bwino monga Witwatersrand Basin — komwe kuli ntchito zakuya kwambiri padziko lonse lapansi monga Mponeng Mine ya Harmony Gold, South Deep Mine ya Gold Fields , ndi Sibanye-Stillwater's Driefontein — komanso malo osungiramo pyritic a Barberton Greenstone Belt (Pan African Resources' Fairview ndi Sheba minda). Komabe, kutulutsa golide kuchokera m'matanthwe akuya awa ndi matrices ovuta a mchere kumabweretsa zovuta zosayerekezeka kwa oyang'anira zomera zamakono ndi akatswiri a zitsulo.

Mu mafakitale amakono a zitsulo ku South Africa, kugwira ntchito bwino kumawopsezedwa nthawi zonse ndi zopinga zitatu zofunika. Choyamba, Ma Matrices a Ore Omwe Amasungunuka Kwambiri ndi Pyritic: Ma Ore omwe amachotsedwa ku Carbon Leader yozama ndi Ventersdorp Contact Reefs (VCR) kapena Barberton quartz- Carbon ate veins amasungidwa mwamphamvu mu pyrite ndi arsenopyrite matrices. Ma sulfide awa amadya cyanide ndi oxygen mwachangu, zomwe zimachedwetsa kwambiri leaching kinetics ndikuchepetsa kuchira kwa golide wonse. Chachiwiri, Kutaya Kwambiri kwa Carbon & Preg-Robbing: Mafakitale a Carbon-in-Pulp (CIP) ndi Carbon-in-Leach (CIL) okhala ndi mphamvu yayikulu amagwiritsa ntchito ma agitators akuluakulu, okwera kwambiri. Carbon Yofewa Yogwiritsidwa Ntchito imasweka mwachangu kukhala fumbi losalala pansi pa mphamvu yayikulu yometa, kunyamula golide wamtengo wapatali wokokedwa mwachindunji ku Tailings Storage Facilities (TSF). Kuphatikiza apo, zigawo zachilengedwe za shale za carbonaceous mu ore "zimayamba" kusungunula golide kuchokera ku yankho. Chachitatu, Kuyang'anira Zachilengedwe Mokhwima (DWS & NEMA): Dipatimenti ya Madzi ndi Ukhondo ku South Africa (DWS) ndi National Environmental Management Act (NEMA) zimakhazikitsa malire owunikira bwino pa kutulutsidwa kwa cyanide ndi zitsulo zolemera m'madziwe a m'mbuyo kuti apewe kuipitsidwa kwa madzi a m'migodi ya Acid Mine Drainage (AMD) ndi madzi apansi panthaka.

United Chemical imapereka mankhwala okwanira, otsimikiziridwa bwino omwe amapangidwa makamaka kuti agwiritsidwe ntchito ndi zomera zagolide zaku South Africa zomwe zimakhala zolimba komanso zosalimba. Mwa kuphatikiza zinthu zosungunuka bwino kwambiri, zolimba kwambiri Chipolopolo cha Coconut Pogwiritsa ntchito mankhwala ochotsera mpweya wa kaboni, komanso mankhwala ochotsa mpweya omwe si oopsa ku chilengedwe, timapatsa mphamvu migodi ku South Africa kuti azitha kubwezeretsa mpweya, kuthetsa kutayika kwa mpweya wa kaboni, komanso kusunga malamulo onse okhudza chilengedwe.

Matrix Yopangidwa ndi Mankhwala Oyenera Ntchito za Golide ku South Africa

AuCyan™ Sodium Cyanide NaCN (≥98.3%)

Machitsulo ozama pansi pa nthaka ochokera ku Witwatersrand ndi miyala ya Barberton yolemera sulfide amafuna mankhwala oyeretsera oyeretsera kuti achulukitse mphamvu ya sulfide yachitsulo cholimba ndikupangitsa kuti golide asungunuke mwachangu.

  • Kuyera Kosasinthasintha (≥98.3% NaCN): AuCyan™ imapereka kupezeka kwakukulu kwa ma cyanide ion aulere. Kuchuluka kwa mankhwala kogwira ntchito kumeneku kumagonjetsa zigawo za sulfide pa pyritic ores, zomwe zimawonjezera kuchuluka kwa leaching mu matanki a leach a mumlengalenga komanso machitidwe apamwamba otulutsira madzi.

  • Kutsatira malamulo a SANS 10228 / SANS 10231 Hazmat Compliance: Kutumizidwa mwachindunji kudzera pa Doko la Durban, AuCyan™ imayikidwa m'madiramu achitsulo olemera omwe ali ndi satifiketi ya UN yokhala ndi ma liner olimba mkati, omwe amakwaniritsa miyezo yonse ya dziko la South African National Standards yokhudza kusamalira katundu woopsa komanso mayendedwe akumidzi kupita ku migodi ya Gauteng ndi Free State.

AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kulimba)

Mafakitale a CIP aku South Africa okhala ndi mphamvu zambiri monga South Deep amafuna mpweya wopangidwa ndi activated carbon womwe ungalepheretse kugwedezeka kosalekeza kwa makina pomwe umagwira golide kuchokera ku matope ovuta.

  • Kukana Kwambiri Kukukuta (≥99% Kulimba): Yopangidwa kuchokera ku zipolopolo za kokonati zaku Indonesia zomwe zimakhala ndi kuchuluka kwakukulu kudzera mu mphamvu yapadera ya nthunzi, AuCarb™ ili ndi mphamvu yosayerekezeka yamakina. Imaletsa kupanga kaboni kakang'ono m'ma agitators okhala ndi shear yambiri, ndikusunga ma ounces a golide kuti asatayike kupita ku tailings.

  • Kutulutsa Madzi Mwachangu & Kuchepetsa Kwambiri Kubereka: Yopangidwa ndi micropore yabwino kwambiri komanso kugawa bwino kwa mesopore, AuCarb™ imawonetsa kutulutsidwa kwa madzi mwachangu kwa gold-cyanide [Au(CN)₂⁻], kupambana zinthu zachilengedwe za shale zomwe zimapezeka m'matanthwe aku South Africa.

AuLeach™ Gold Leaching Agent (GDA) - Yopanda Ngozi

Pamene Dipatimenti ya Madzi ndi Ukhondo ku South Africa ikulimbitsa malire otulutsira madzi, AuLeach™ imapereka njira ina yothandiza kwambiri yotulutsira madzi opanda cyanide m'migodi yamakono yomwe imayang'aniridwa ndi ESG.

  • Yopanda Cyanide & Yogwirizana ndi DWS/NEMA: Yodziwika ngati mankhwala osaopsa, AuLeach™ imapangitsa kuti kasamalidwe ka Tailings Storage Facility (TSF) kakhale kosavuta. Imapewa kusonkhanitsa mankhwala oopsa, imachepetsa kwambiri ndalama zochotsera poizoni m'thupi komanso imapangitsa kuti kubwezeretsanso kwa layisensi yamadzi kukhale kosavuta.

  • Kukonzanso Zomera Mosasunthika & Kuyenda Mwachangu: AuLeach™ ndi njira yolowera mwachindunji m'malo mwa NaCN. Imagwira ntchito bwino m'matanki a CIL/CIP omwe alipo komanso m'mabwalo olumikizirana popanda kukweza ndalama. Kuphatikiza apo, popeza ndi katundu wopanda ngozi, imadutsa zoletsa zoyendera za hashmat kuchokera ku Durban Port.

Malo Ogulitsira Zinthu Mosavuta: Doko la Durban kupita ku South Africa Goldfields

Kupereka madzi kosalekeza ndiye maziko a migodi ikuluikulu ya pansi pa nthaka ku South Africa. United Chemical yakhazikitsa njira yogulitsira zinthu zopangidwa ndi zitsulo ...

  • Kukonza Madoko a Durban & Kuchotsa Makontena Mwachangu: Timasunga mizere yotumizira makontena yofunika kwambiri ku Doko la Durban, mothandizidwa ndi zikalata zamisonkho za NaCN yoopsa ya Class 6.1 komanso ma reagents a kaboni wa mafakitale wamba ndi GDA.

  • Malo Oyendetsera Zinthu Molunjika Kupita Kumalo Osungira Zinthu: Kuchokera ku Durban, anzathu ogwirizana ndi zoyendetsa zinthu omwe ali ndi zilolezo amagwira ntchito yoyendetsa zinthu mwachangu pamsewu ndi pa sitima kupita ku malo osungiramo zinthu ku City Deep (Johannesburg), Welkom (Free State), Klerksdorp (North West), ndi Barberton (Mpumalanga).

Yesani Ma Reagent Athu pa Ma Ore Anu aku South Africa

Kwezani kuchuluka kwa kuchira kwa chomera chanu ndikuchepetsa kugwiritsa ntchito ma reagent. Oyang'anira Mitengo, Mainjiniya a Zitsulo, ndi Oyang'anira Ma Lab ku South Africa akupemphedwa kuti apemphe zitsanzo zaulere za AuCyan™, AuCarb™, kapena AuLeach™ kuti ayesere botolo ndi madzi.

Pemphani Zitsanzo za Lab Zaulere Tsopano

Kudziwa Kuchotsa Golide Mozama & Mosakhazikika ku South Africa: Mayankho Apamwamba a Reagent ku Witwatersrand ndi Barberton Africa migodi ya golide mankhwala ochotsera ma reagent AuCyan™ Sodium Cyanide NaCN AuCarb™ Kubwezeretsa Coconut Shell Activated Carbon AuLeach™ Agent GDA cyanide ogulitsa refractory leaching Kukonza mgodi wa Mponeng Deep CIL shell activated carbon Johannesburg Kuyera kwambiri 98.3% Durban Wopanda chiopsezo SA elution electrowinning CIP process recovery from pyritic ores alternative DWS compliant hardness 99% adsorption kinetics Sibanye Stillwater No. 2 picture

Mafunso Omwe Amafunsidwa Kawirikawiri: Kukonza Golide ku South Africa

1. Kodi AuCyan™ imathandiza bwanji kuchotsa golide kuchokera ku miyala ya pyritic mu Barberton Greenstone Belt?

Ma Ores ku Barberton (monga ku Fairview ndi Sheba) ndi a pyritic kwambiri komanso arsenopyritic. Cyanide yotsika imavutika kuswa sulfide matrix encapsulation. AuCyan™ (≥98.3% kuyera) imatsimikizira kuchuluka kwa ma CN⁻ ions aulere, kusunga mphamvu yoyendetsa yamphamvu ya oxidation-dissolution ndikuwonjezera kuchira kwa kinetic mu pressure oxidation (POX) kapena CIL tail-leach circuits.

2. N’chifukwa chiyani kuuma kwa mpweya wa carbon n’kofunika kwambiri pa mafakitale akuluakulu a CIP m’magawo agolide a ku Free State ku South Africa?

Mafakitale a Free State CIL/CIP amakonza matani masauzande ambiri a miyala tsiku lililonse pogwiritsa ntchito ma impeller amphamvu kwambiri. Mpweya wofewa wopangidwa ndi kaboni umavutika kwambiri ndi makina, zomwe zimapangitsa kuti fumbi la kaboni lituluke kudzera m'mabwato oteteza kupita m'madambo. Mpweya wopangidwa ndi kaboni wa AuCarb™ umapereka kulimba kwa ≥99%, kuteteza kuwonongeka kwa kaboni ndikusunga golide wochuluka.

3. Kodi AuLeach™ imathandiza bwanji migodi ya ku South Africa kutsatira malamulo a Dipatimenti ya Madzi ndi Ukhondo (DWS)?

Bungwe la DWS la ku South Africa limagwiritsa ntchito malamulo okhwima pa kuchuluka kwa cyanide m'madzi a m'migodi kuti ateteze malo ozungulira madzi ndi madzi a m'madzi. AuLeach™ GDA ilibe cyanide ndipo si yoopsa ku chilengedwe, zomwe zimathandiza kuti migodi ichepetse kwambiri ndalama zochizira ming'alu ndikutsatira mosavuta malamulo a madzi a NEMA.

4. Kodi AuCarb™ ingagonjetse kaboni wa shale woba anthu omwe ali ndi preg-abbing mu Witwatersrand Carbon Leader Reefs?

Inde. Ma mineral okhala ndi carbonaceous shale (zinthu zoyamba kuba) amatha kuyamwanso golide wosungunuka msanga. AuCarb™ ili ndi kayendedwe kake ka kuyamwa mwachangu komanso kapangidwe kabwino ka ma pore, zomwe zimapangitsa kuti ikayamwa ma complexes a gold-cyanide mwachangu komanso mwamphamvu kuposa zinthu zachilengedwe zoyamba kuba m'matope.

5. Kodi miyezo yoyendetsera zinthu zotumizira AuCyan™ kuchokera ku Durban Port kupita ku migodi ya Gauteng ndi iti?

Kutumiza konse kwa AuCyan™ (Katundu Woopsa wa Gulu 6.1) kumatsatira kwambiri miyezo ya SANS 10228 ndi SANS 10231. Ma reagents amapakidwa mu ng'oma zachitsulo za UN zolemera, zotsekedwa ndipo amanyamulidwa kudzera m'magalimoto onyamula katundu ovomerezeka a hazmat mwachindunji kuchokera ku Durban Port kupita ku malo osungiramo zinthu zamigodi ku Johannesburg, Carletonville, ndi Welkom.

6. Kodi AuLeach™ ikugwirizana ndi ma election omwe alipo ku South Africa komanso ma electrowinning circuits?

Inde. AuLeach™ GDA siifuna kusintha kulikonse kwa ndalama. Imapanga ma complexes agolide okhazikika omwe amamatira bwino ku Coconut Shell Activated Carbon ndikutuluka bwino m'mafakitale okhazikika a Anglo American kapena Zadra elution ndi electrowinning (EW).

7. Kodi AuCyan™ imagwira ntchito bwanji mu ma leach reactors amphamvu kwambiri (HLR) monga machitidwe a Acacia?

Ma reactors otulutsa mphamvu kwambiri omwe amakonza golide wokoka mphamvu amafunika ma reagents oyera kwambiri. AuCyan™ (≥98.3%) imasungunuka mwachangu komanso kwathunthu, zomwe zimapangitsa kuti pafupifupi 99% ya tinthu tating'onoting'ono ta golide wosalala komanso wosalala mu ma cycle a leach a reactor a batch isungunuke mkati mwa maola angapo.

8. N’chifukwa chiyani mafakitale agolide aku South Africa ayenera kusankha carbon ya chipolopolo cha kokonati ku Indonesia m’malo mwa carbon ya malasha yakomweko?

Ngakhale kuti ma carbon ochokera ku malasha amapangidwa m'deralo, carbon yoyambitsidwa ndi chipolopolo cha kokonati imapereka malo apamwamba kwambiri a micro-pore komanso kuuma kwa makina (≥99%). AuCarb™ Coconut Carbon imapereka mphamvu yayikulu yokweza golide (K-value) komanso kuchepetsa kuchuluka kwa kutayika kwa kaboni poyerekeza ndi malasha.

9. Kodi nthawi yoperekera mankhwala kuchokera ku Durban Port kupita ku migodi nthawi zambiri imakhala yotani?

Sitima zapamadzi zikaima pa Durban Port, njira zathu zoyendetsera kasitomu zomwe zakonzedwa kale zimathandiza kutumiza makontena mkati mwa masiku atatu kapena asanu ogwira ntchito. Mayendedwe a pamsewu opita ku Gauteng, Free State, kapena Barberton amatenga maola ena 24 mpaka 48, kuonetsetsa kuti zinthu zomwe zili m'sitolomo zikuyang'aniridwa bwino.

10. Kodi akatswiri a zitsulo za zomera ku South Africa angapemphe bwanji zitsanzo zaulere kuti akayesedwe m'mabotolo a m'mabotolo a m'mabotolo?

Akatswiri Akuluakulu a Zitsulo ndi Oyang'anira Ma Laboratory ku South Africa akhoza kupempha Zitsanzo Zaulere Zoyesera za AuCyan™, AuCarb™, kapena AuLeach™ kudzera pa fomu yathu yolumikizirana ndi tsamba lathu. Timatumiza zida za zitsanzo mwachindunji ku labotale yanu kuti ziwunikidwe ndi CIL bottle-roll ndi kinetic adsorption.

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