Kugona Kubvisa Goridhe Zvakadzika Uye Zvisingadzoreki muSouth Africa: Mhinduro dzeAdvanced Reagent
South Africa ndiyo nzvimbo yekare yekuchera goridhe remaindasitiri emazuva ano. Dzimba dzinozivikanwa dzemajini dzakadai seWitwatersrand Basin — musha wemabasa epasi pevhu akadzika pasi pevhu pasi penyika akadai seMponeng Mine yeHarmony Gold, South Deep Mine yeGold Fields , uye Sibanye-Stillwater's Driefontein — pamwe chete nenzvimbo dzakaoma dzeBarberton Greenstone Belt (Pan African Resources' Fairview neSheba mines). Zvisinei, kuchera goridhe kubva mumatombo aya akadzika uye maminerari akaomarara kunopa matambudziko asina kumboitika kune vatariri vezvirimwa zvemazuva ano nenyanzvi dzesimbi.
Mumafekitori esimbi ekuSouth Africa emazuva ano, kushanda zvakanaka kuri kutyisidzirwa nezvipingamupinyi zvitatu zvakakosha. Chekutanga, Highly Refractory & Pyritic Ore Matrices: Maore anotorwa kubva mu deep Carbon Leader neVentersdorp Contact Reefs (VCR) kana Barberton quartz- Carbon ate veins akafukidzwa zvakasimba mu pyrite ne arsenopyrite matrices. Maminerari aya e sulfide anoshandisa cyanide ne oxygen zvakanyanya, zvichideredza zvakanyanya leaching kinetics uye zvichideredza kudzoreredza gold rose. Chechipiri, Severe Carbon Attrition & Preg-Robbing: High-capacity Carbon-in-Pulp (CIP) neCarbon-in-Leach (CIL) plants dzinoshandisa ma "agitators" makuru, ane shear high-shear. Soft Activated Carbon inokurumidza kupwanyika kuita guruva rakatsetseka pasi pesimba iri guru rekuchekerera, ichitakura goridhe rakakosha rinonamirwa zvakananga muTailings Storage Facilities (TSF). Uyezve, natural carbonaceous shale layers muore inoshanda "preg-rob" yakanyungudutsa goridhe kubva mumushonga. Chechitatu, Kutarisirwa Kwakasimba Kwezvakatipoteredza (DWS & NEMA): Dhipatimendi reMvura neKuchenesa reSouth Africa (DWS) neNational Environmental Management Act (NEMA) zvinosimbisa mitemo inoongororwa zvakanyanya pakuburitswa kwecyanide nesimbi inorema mumadziva emutsvina kudzivirira kusvibiswa kweAcid Mine Drainage (AMD) uye kusvibiswa kwemvura yepasi pevhu.
United Chemical inopa matrix yakakwana, yakasimbiswa mumunda yemakemikari yakagadzirirwa zvirimwa zvegoridhe zveSouth Africa zvakadzika uye zvisingachinji. Nekubatanidza zvinonatsa zvakanyanya, zvinogara kwenguva refu Kozi Shell Nekushandisa kabhoni, pamwe nezvinhu zvisingakuvadzi nharaunda, tinopa simba kuvashandi vemuSouth Africa kuti vakwanise kudzoreredza kabhoni, vabvise kurasikirwa nekabhoni, uye varambe vachitevedzera mitemo yezvakatipoteredza.
Matrix yemakemikari yakagadzirirwa mabasa egoridhe ekuSouth Africa
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Matombo epasi pevhu akadzika kubva kuWitwatersrand nematombo eBarberton ane sulfide yakawanda anoda mushonga unonyungudutsa simbi yesimbi inochinja-chinja uye goridhe rinonyungudika nekukurumidza.
Kuchena Kusingachinjiki (≥98.3% NaCN): AuCyan™ inopa mukana wekuwana maion ecyanide akasununguka zvakanyanya. Kuwanda kwemakemikari aya kunopfuura sulfide passivation layers papyritic ores, zvichiwedzera mwero we leaching mumatangi e leach emumhepo uye masisitimu e high-intensity elution.
SANS 10228 / SANS 10231 Hazmat Compliance: Inotumirwa zvakananga kuburikidza nePort of Durban, AuCyan™ inorongedzwa mumadhiramu esimbi ane chitupa cheUN ane mapurasitiki akasimbiswa, achisangana neSouth African National Standards yekubata zvinhu zvine njodzi uye kutakura zvinhu mukati menyika kuenda kunzvimbo dzemigodhi dzeGauteng neFree State.
AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kuoma)
Mafekitori eCIP ekuSouth Africa ane huwandu hwakawanda seSouth Deep anoda activated carbon iyo inogona kuramba kukanganiswa nemagetsi nguva dzose uku ichitora goridhe kubva mumatope akaomarara.
Kuramba Kuoma Kwakanyanya (≥99% Kuoma): Yakagadzirwa kubva kumagoko ekokonati ekuIndonesia ane density yakakura kuburikidza nekushandiswa kwemhepo yakasarudzika, AuCarb™ ine simba risingaenzaniswi remakanika. Inodzivirira kugadzirwa kwekabhoni muzvinhu zvinopisa zvakanyanya, ichichengetedza maounces egoridhe kuti asarasike kuenda kumasora.
Kukurumidza Kunyudzwa & Kuderedza Kubviswa Kweganda Nekubereka: Yakagadzirwa ne micropore yakanakisisa uye mesopore distribution, AuCarb™ inoratidza kukurumidza gold-cyanide complex adsorption kinetics [Au(CN)₂⁻], ichikunda natural carbonaceous shale matter iri muSouth Africa reefs.
AuLeach™ Gold Leaching Agent (GDA) - Isina Ngozi
Sezvo Dhipatimendi reMvura neKuchenesa muSouth Africa richisimbisa mitemo yekuburitsa mvura, AuLeach™ inopa nzira yekuburitsa mvura isina cyanide uye inoshanda zvakanyanya kune migodhi yemazuva ano inoona nezveESG.
Haina Cyanide uye DWS/NEMA Inoenderana Nemutemo: Yakasarudzwa semushonga wemakemikari usingakuvadzi, AuLeach™ inoita kuti Tailings Storage Facility (TSF) ive nyore zvikuru. Inodzivirira kuunganidzwa kwemakemikari ane chepfu, inoderedza zvakanyanya mitengo yekubvisa chepfu uye inorerutsa kuvandudzwa kwemvumo yemvura.
Kugadziriswazve Kwemiti Isina Musono & Kufamba Nekukurumidza: AuLeach™ inotsiva zvakananga NaCN. Inoshanda zvakanaka mumatangi eCIL/CIP aripo uye mumasekete eelution pasina kuvandudzwa kwemari. Uyezve, sezvo iri mitoro isina njodzi, inodarika mitemo yekutakura zvinhu kubva kuDurban Port.
Zvigadzirwa Zvekushandisa Zvisina Musono: Durban Port kuenda kuSouth Africa Goldfields
Kuwanikwa kwezvinhu pasina kukanganiswa ndiko kunobatsira zvikuru mumigodhi mikuru yepasi pevhu muSouth Africa. United Chemical yakagadzira nzira yekuisa zvinhu zvesimbi yakagadzirirwa nzvimbo dzekuchera migodhi dzemuSouth Africa.
Kuisa Zviteshi zveDurban Port & Kubvisa Zviteshi zveCustoms nekukurumidza: Tinochengetedza nzira dzekutumira makontena akakosha muPort of Durban, tichitsigirwa nemagwaro ecustom akagadziriswa eClass 6.1 hazardous NaCN pamwe ne general industrial carbon neGDA reagents.
Kutungamira Kunzvimbo dzeMigodhi: Kubva kuDurban, vadyidzani vedu vane marezenisi ekutakura zvinhu vanobata kutakurwa kwemigwagwa nechitima nekukurumidza kuenda kunzvimbo dzekuchengetera zvinhu mumigodhi dziri muCity Deep (Johannesburg), Welkom (Free State), Klerksdorp (North West), neBarberton (Mpumalanga).
Edzai MaReagent Edu PaOre Yenyu yeSouth Africa
Wedzerai mwero wekudzorerwa kwemiti yenyu uye deredzai kushandiswa kwe reagent. Vatariri veMiti, Mainjiniya eMetallurgical, uye Vatariri veLab muSouth Africa vanokokwa kukumbira sampuro dzemahara dzeAuCyan™, AuCarb™, kana AuLeach™ kuti dziongororwe bottle-roll uye adsorption.
Kumbira Sampuli dzeLab dzeMahara Iye Zvino
Mibvunzo Inowanzo bvunzwa: Kugadziriswa kweGoridhe muSouth Africa
1. AuCyan™ inovandudza sei kutorwa kwegoridhe kubva mumatombo epyritic ari muBarberton Greenstone Belt?
Maore ari muBarberton (akadai seFairview neSheba) ane pyritic uye arsenopyritic zvakanyanya. Cyanide yakaderera inonetseka kupinda mu sulfide matrix encapsulation. AuCyan™ (≥98.3% purity) inoita kuti pave nehuwandu hwakawanda hwe CN⁻ ions dzakasununguka, zvichichengetedza simba rakasimba rekutyaira oxidation-dissolution uye kuwedzera kinetic recovery mu pressure oxidation (POX) kana CIL tail-leach circuits.
2. Sei kuomarara kwekabhoni kuchikosha kune zvirimwa zvikuru zveCIP muminda yegoridhe yeFree State muSouth Africa?
Zvivakwa zveFree State CIL/CIP zvinogadzira matani ematombo esimbi zuva nezuva zvichishandisa maimpeller ane simba guru. Kabhoni yakapfava inokanganiswa nemagetsi, ichishanduka kuita guruva rekabhoni rinobuda nepazvidziviriro zvekuchengetedza richipinda mumadziva emusana. AuCarb™ Activated Carbon inopa kuomarara kwe ≥99%, ichidzivirira kuputsika kwekabhoni uye ichichengetedza goridhe.
3. AuLeach™ inobatsira sei migodhi yeSouth Africa nekutevera mitemo yeDhipatimendi reMvura neKuchenesa (DWS)?
DWS yekuSouth Africa inoisa mitemo yakasimba pahuwandu hwecyanide mumvura iri mumadhaka emumigodhi kudzivirira nzvimbo dzemvura dziri pedyo nedziva remvura. AuLeach™ GDA haina cyanide uye haina njodzi kunharaunda, zvichibvumira migodhi kuderedza zvakanyanya mari yekurapa madhaka uye kutevedzera mitemo yemvura yeNEMA zviri nyore.
4. Ko AuCarb™ inogona kukunda shale carbon inobviswa kare muWitwatersrand Carbon Leader Reefs here?
Ehe. Matombo ane carbonaceous shale (zvinhu zvinobvisa goridhe) anogona kunyudza goridhe rakanyungudutswa nguva isati yakwana. AuCarb™ ine kinetics yekuwedzera kunyungudutswa nekukurumidza uye chimiro chepamusoro chepore, zvichiita kuti inyudze gold-cyanide complexes nekukurumidza uye kwakasimba kupfuura zvinhu zvakasikwa zvinobvisa goridhe zvakanyungudutswa mumatope.
5. Ndezvipi zvinodiwa zvekutakura zvinhu pakutumira AuCyan™ kubva kuDurban Port kuenda kumigodhi yeGauteng?
Kutumirwa kwese kweAuCyan ™ (Zvinhu Zvine Ngozi zveClass 6.1) kunoenderana zvakanyanya nezvinodiwa neSANS 10228 neSANS 10231. Ma reagents anoiswa mumadhiramu esimbi eUN ane gauge yakakura, akavharwa uye anotakurwa nemotokari dzekutakura dzine rezinesi kubva kuDurban Port kuenda kumawarehouse emugodhi muJohannesburg, Carletonville, neWelkom.
6. AuLeach™ inoenderana here nemidziyo iripo yekuSouth Africa yekudzikisa magetsi uye ma electrowinning circuits?
Zvechokwadi. AuLeach™ GDA haidi kugadziriswa kwemari. Inogadzira simbi dzegoridhe dzakagadzikana dzinonyungudika zvinobudirira paCoconut Shell Activated Carbon uye dzinobuda zvakanaka muzvigadziko zveAnglo American kana Zadra elution uye electrowinning (EW).
7. AuCyan™ inoshanda sei muma "high-intensity leach reactors" (HLR) akafanana neAcacia systems?
Ma "high-intensity leaching reactors" anogadzirisa gravity gold concentrates anoda ma "high purity reagents". AuCyan™ (≥98.3%) inonyungudika nekukurumidza uye zvachose, zvichiita kuti zvidimbu zvegoridhe zvakakora uye zvakapfava zvinyungudike ne99% muma "batch reactor leach cycles" mukati memaawa mashoma.
8. Sei zvirimwa zvegoridhe zvekuSouth Africa zvichifanira kusarudza kabhoni yekokonati yeIndonesia pane kabhoni yemarasha yemuno?
Kunyange hazvo makabhoni anobva kumacoal achigadzirwa munharaunda, kabhoni inoshandiswa necoal shell inopa nzvimbo yepamusoro ye micro-pore uye kuomarara kwakanyanya kwemuchina (≥99%). AuCarb™ Coconut Carbon inopa kugona kwakanyanya kwegoridhe (K-value) uye yakaderera zvakanyanya kudonha kwemvura zvichienzaniswa nekabhoni yemarasha.
9. Ndeipi nguva inowanzo shandiswa kuendesa magaba emakemikari kubva kuDurban Port kunzvimbo dzemigodhi?
Kana ngarava dzemugungwa dzamira paDurban Port, mitemo yedu yekutonga yakagadziriswa kare inobvumira kutumirwa kwemakontena mukati memazuva matatu kusvika mashanu ebhizinesi. Kufamba nemugwagwa kuenda kuGauteng, Free State, kana Barberton kunotora mamwe maawa makumi maviri nemana kusvika makumi mana nemasere, zvichiita kuti zvinhu zvitarisirwe zvakanaka.
10. Nyanzvi dzezvesimbi dzemiti muSouth Africa dzingakumbira sei sampuro dzemahara dzekuyedzwa kwemabhodhoro murabhoritari?
Nyanzvi dzeMetallurgists neManeja eLaboratory muSouth Africa vanogona kukumbira Sampuli dzeKuyedza dzeAuCyan™, AuCarb™, kana AuLeach™ dzemahara kuburikidza nefomu redu rekutaurirana pawebhusaiti. Tinotumira makit emuenzaniso zvakananga kuLaboratory yewebhusaiti yenyu kuti iongororwe neCIL bottle-roll uye kinetic adsorption.
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