Ukwazi Ukuthola Igolide Elijulile Nelingaphikisiwe eNingizimu Afrika: Izixazululo Ezithuthukisiwe Ze-Reagent
INingizimu Afrika imi njengendawo yomlando yokumbiwa kwegolide kwezimboni zanamuhla. Izindlu ezakhiwe ngendlela ephawulekayo ye-geological njenge- Isigodlo saseWitwatersrand—ikhaya lemisebenzi ejulile kakhulu emhlabeni engaphansi komhlaba njengeHarmony Gold's Imayini yaseMponeng, Amasimu Egolide Imayini yaseNingizimu Deepkanye neSibanye-Stillwater's Imisebenzi yaseDriefontein—kanye nama-pyritic deposits anamandla kakhulu okulwa ne-refractory Ibhande laseBarberton Greenstone (Izimayini ze-Pan African Resources' Fairview kanye neSheba). Kodwa-ke, ukukhipha igolide kulezi zindawo ezijulile kanye nezakhiwo zamaminerali eziyinkimbinkimbi kuletha izinselele ezingakaze zibonwe ngaphambili zensimbi kubaphathi bezitshalo banamuhla kanye nochwepheshe bensimbi abakhulu.
Ezitshalweni zensimbi zaseNingizimu Afrika zanamuhla, ukusebenza kahle kuhlale kusongelwa yizithiyo ezintathu ezibalulekile. Okokuqala, Ama-Matrices e-Ore Anamandla Okungaguquki Kakhulu kanye Nama-Pyritic: Ama-ore akhishwe ku-deep Carbon Leader kanye ne-Ventersdorp Contact Reefs (VCR) noma i-Barberton quartz-I-Carbonimithambo yegazi ivalwe ngokuqinile kuma-pyrite nama-arsenopyrite matrices. Lawa maminerali e-sulfide adla ngamandla mahhala i-cyanide kanye nomoya-mpilo, okunciphisa kakhulu ukuhamba kwe-leaching kinetics kanye nokwehlisa ukubuyiselwa kwegolide jikelele. Okwesibili, Ukuncipha Okukhulu Kwekhabhoni Nokubanjwa Kwangaphambi Kokukhulelwa: Izitshalo ze-Carbon-in-Pulp (CIP) kanye ne-Carbon-in-Leach (CIL) ezinamandla amakhulu zisebenzisa izihlungi ezinkulu zemishini ezishefa kakhulu. Ikhabhoni Esebenzayo iqhekeka ngokushesha ibe uthuli olucolekile ngaphansi kwala mandla amakhulu okucheba, ithwala igolide eliyigugu elifakwe ngqo eTailings Storage Facilities (TSF). Ngaphezu kwalokho, izendlalelo zemvelo ze-carbonaceous shale ku-ore "ziqala" ukuncibilikisa igolide kusuka kusisombululo. Okwesithathu, Ukuqapha Okuqinile Kwezemvelo (i-DWS ne-NEMA): UMnyango Wezamanzi Nokuhlanzeka waseNingizimu Afrika (i-DWS) kanye noMthetho Kazwelonke Wokuphathwa Kwemvelo (i-NEMA) baphoqelela imikhawulo eqashwe ngokuqinile ekukhishweni kwe-cyanide yamahhala kanye nensimbi esindayo emachibini asezindaweni ezisele ukuze kuvinjelwe ukungcoliswa kwe-Acid Mine Drainage (i-AMD) kanye nokungcoliswa kwamanzi angaphansi komhlaba.
United Chemical ihlinzeka nge-matrix yamakhemikhali ephelele, efakazelwe ensimini eyenzelwe ngqo izitshalo zegolide ezijulile nezingaphili eNingizimu Afrika. Ngokuhlanganisa izinto zokuhlanza ezihlanzekile kakhulu, ezihlala isikhathi eside Shell Coconut Ngokusebenzisa i-carbon, kanye nama-leaching agents angeyona ingozi futhi anobungani nemvelo, sinika amandla abavukuzi baseNingizimu Afrika ukuthi bandise ukubuyiswa kabusha, baqede ukulahlekelwa yi-carbon, futhi balondoloze ukuthobela ngokuphelele imvelo.
I-Chemical Matrix Eklanyelwe Imisebenzi Yegolide YaseNingizimu Afrika
I-AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Ama-ore angaphansi komhlaba aphansi kakhulu avela eWitwatersrand kanye nama-ore aseBarberton acebile nge-sulfide adinga i-lixiviant ehlanzekile kakhulu ukuze inqobe ama-sulfide ensimbi asebenzayo futhi ifeze ukuncibilika kwegolide ngokushesha.
Ubumsulwa Obungaguquki (≥98.3% NaCN):I-AuCyan™ inikeza ukutholakala okuphezulu kwe-cyanide ion yamahhala. Lokhu kuhlushwa okuphezulu kwamakhemikhali asebenzayo kunqoba izendlalelo zokudlula kwe-sulfide kuma-ore e-pyritic, kusheshiswe amazinga okukhipha kokubili emathangini okukhipha umoya kanye nezinhlelo zokususa umoya ezinamandla aphezulu.
Ukuhambisana ne-SANS 10228 ephelele / SANS 10231 Hazmat: Ithunyelwa ngqo ngechweba laseThekwini, i-AuCyan™ ipakishwe ngama-drum ensimbi aqinisekiswe yi-UN anezingqimba zangaphakathi eziqinisiwe, ehlangabezana nazo zonke izindinganiso zikazwelonke zaseNingizimu Afrika zokuphathwa kwezimpahla eziyingozi kanye nokuthuthwa kwangaphakathi ezweni ukuya ezindaweni zemayini zaseGauteng naseFree State.
I-AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Ubulukhuni)
Izitshalo ze-CIP zaseNingizimu Afrika ezinomthamo omkhulu njenge-South Deep zidinga i-activated carbon engamelana nokushaywa okuqhubekayo kwemishini ngenkathi ibamba igolide ngamandla kusuka kuma-slurry ayinkimbinkimbi.
Ukumelana Nokuguguleka Okukhulu (≥99% Ukuqina): Kwenziwe ngamagobolondo kakhukhunathi ase-Indonesia anabantu abaningi ngokusebenzisa ukusebenza komusi okukhethekile, I-AuCarb™ inamandla okusebenza angenakuqhathaniswa. Ivimbela ukukhiqizwa kwe-carbon micro-fine kuma-agitator agunda kakhulu, isindisa ama-ounces egolide ekulahlekelweni yizinsalela.
Ukumuncwa Okusheshayo Nokuncishiswa Okungcono Kokukhulelwa: Idizayinwe nge-micropore engcono kakhulu kanye nokusatshalaliswa kwe-mesopore, i-AuCarb™ ibonisa i-kinetics ye-adsorption eyinkimbinkimbi ye-gold-cyanide esheshayo [Au(CN)₂⁻], idlula izinto zemvelo ze-carbonaceous shale ezitholakala eziqongweni zamanzi zaseNingizimu Afrika.
I-AuLeach™ Gold Leaching Agent (GDA) - Ayiyona Ingozi
Njengoba uMnyango Wezamanzi Nokuhlanzeka waseNingizimu Afrika uqinisa imingcele yokukhipha amanzi, i-AuLeach™ inikeza indlela yokukhipha amanzi engena-cyanide futhi esebenza kahle kakhulu ezimayini zesimanje eziqaphela i-ESG.
Akukho Cyanide futhi kuyahambisana ne-DWS/NEMA: Ihlukaniswe njenge-ejenti yamakhemikhali engeyona ingozi, I-AuLeach™ kwenza kube lula kakhulu ukuphathwa kwe-Tailings Storage Facility (TSF). Igwema ukuqongelela kwamakhemikhali anobuthi, yehlisa kakhulu izindleko zokukhipha ubuthi emzimbeni futhi yenza kube lula ukuvuselelwa kwelayisensi yamanzi.
Ukuvuselelwa Kwesitshalo Okungenamthungo Nokuhamba Okusheshayo: I-AuLeach™ iyindlela yokungena eqondile esikhundleni se-NaCN. Isebenza kahle emathangini e-CIL/CIP akhona kanye nasezindaweni zokulungisa ngaphandle kokuthuthukiswa kwemali. Ngaphezu kwalokho, njengempahla engeyona ingozi, idlula imikhawulo yezokuthutha ye-hazmat evela eThekwini laseDurban.
Ukuthunyelwa Kwempahla Okungenamthungo: Ichweba LaseThekwini Eliya ENingizimu Afrika Eliya EGoldfields
Ukutholakala okungaphazamiseki kuyigazi lokuphila kwezimayini ezinkulu zaseNingizimu Afrika ezingaphansi komhlaba. United Chemical isungule uchungechunge lokuhlinzeka ngezinsimbi oluklanyelwe izikhungo zezimayini zasekhaya zaseNingizimu Afrika.
Ukufakwa Kwezitebhisi Ethekwini LaseThekwini kanye Nokusulwa Kwentela Okusheshayo: Sigcina imigqa yokuthumela amakhonteyina ebalulekile echwebeni laseThekwini, isekelwa yimibhalo yentela elungiselelwe kahle ye-Class 6.1 NaCN enobungozi kanye nama-reagent e-carbon ezimbonini ajwayelekile kanye ne-GDA.
Ukuqondisa Imikhumbi Yezokuthutha Ezindaweni Zomgodi: Ukusuka eThekwini, ozakwethu bezokuthutha abanelayisensi baphatha ukuthuthwa okusheshayo komgwaqo nokwesitimela kuya ngqo ezindaweni zokugcina impahla zezimayini eCity Deep (eGoli), eWelkom (eFree State), eKlerksdorp (eNyakatho Ntshonalanga), kanye naseBarberton (eMpumalanga).
Hlola ama-Reagent ethu ku-Ore yakho yaseNingizimu Afrika
Khulisa amazinga okubuyiselwa kwesitshalo sakho futhi unciphise ukusetshenziswa kwe-reagent. Abaphathi Bezitshalo, Onjiniyela Bensimbi, kanye Nabaphathi Belabhorethri kulo lonke elaseNingizimu Afrika bayamenywa ukuthi bacele amasampula wamahhala e-AuCyan™, AuCarb™, noma i-AuLeach™ ukuze kuhlolwe ukugoqwa kwebhodlela kanye nokumuncwa kwalo.
Cela Amasampula Elabhorethri Amahhala Manje
Imibuzo Evame Ukubuzwa: Ukucutshungulwa Kwegolide eNingizimu Afrika
1. I-AuCyan™ ikuthuthukisa kanjani ukukhishwa kwegolide kusuka kuma-ore e-pyritic eBarberton Greenstone Belt?
Ama-ore aseBarberton (njengaseFairview naseSheba) anamandla kakhulu e-pyritic kanye ne-arsenopyritic. I-cyanide yezinga eliphansi ihluleka ukudabula i-sulfide matrix encapsulation. I-AuCyan™ (ubumsulwa obungu-≥98.3%) iqinisekisa ukuhlushwa okuphezulu kwama-ion e-CN⁻ amahhala, igcina amandla okushayela aqinile okuncibilikisa i-oxidation kanye nokukhulisa ukubuyiselwa kwe-kinetic kumasekethe e-pressure oxidation (POX) noma e-CIL tail-leach.
2. Kungani ukuqina kwekhabhoni kubalulekile ezitshalweni ezinkulu ze-CIP ezindaweni zegolide zaseFree State eNingizimu Afrika?
Izitshalo ze-CIL/CIP zaseFree State zicubungula izinkulungwane zamathani ensimbi nsuku zonke zisebenzisa ama-impeller ashukumisayo anamandla amakhulu. I-carbon esebenzayo ethambile ihlushwa ukukhisheka okukhulu komshini, iphenduka uthuli lwe-carbon oluphuma ngezikrini zokuphepha lungene emachibini asemuva. I-AuCarb™ Ikhabhoni Esebenzayo inikeza ubulukhuni obungu-≥99%, okuvimbela ukuwohloka kwekhabhoni nokuqinisekisa isivuno segolide.
3. I-AuLeach™ izisiza kanjani izimayini zaseNingizimu Afrika ngokuhambisana noMthetho Wezamanzi Nokuhlanzeka (i-DWS)?
I-DWS yaseNingizimu Afrika ibeka imingcele eqinile emazingeni e-cyanide emanzini asezindaweni ezisele zemayini ukuze ivikele izindawo zamanzi ezizungezile kanye nezindawo zamanzi. I-AuLeach™ GDA ayinayo i-cyanide futhi ayinangozi emvelweni, okuvumela izimayini ukuthi zinciphise kakhulu izindleko zokwelashwa kwe-tailings futhi zihambisane kalula nemithethonqubo yamanzi ye-NEMA.
4. Ingabe i-AuCarb™ inganqoba i-shale carbon ebangwa yi-preg eWitwatersrand Carbon Leader Reefs?
Yebo. Amatshe aqukethe i-carbonaceous shale (izinto ezisusa i-preg) angaphinde amunce igolide elincibilikisiwe ngaphambi kwesikhathi. I-AuCarb™ ine-kinetics yokumunca okusheshayo kakhulu kanye nesakhiwo se-pore esiphezulu, okuvumela ukuthi imunce i-gold-cyanide complexes ngokushesha nangokuqinile kunezinto eziphilayo ezisusa i-preg eziku-slurry.
5. Yiziphi izindinganiso zokuthutha ze-logistics zokuthumela i-AuCyan™ isuka eThekwini laseThekwini iye ezimayini zaseGauteng?
Konke ukuthunyelwa kwe- I-AuCyan™ (Izimpahla Eziyingozi Zekilasi 6.1) landela ngokuqinile amazinga e-SANS 10228 kanye ne-SANS 10231. Ama-reagent apakishwa kuma-drum ensimbi e-UN aqinile, avaliwe futhi athuthwa ngezimoto zokuthutha ezinelayisensi ze-hazmat ngqo kusuka eThekwini laseDurban kuya ezindaweni zokugcina izimayini eGoli, eCarletonville, naseWelkom.
6. Ingabe i-AuLeach™ iyahambisana nezinhlelo zokuxazulula izinkinga zaseNingizimu Afrika ezikhona kanye nezinhlelo zokuwina ngogesi?
Kulungile. I-AuLeach™ GDA Akudingi ukuguqulwa kwezimali okungelutho. Kwakha ama-complex egolide azinzile anamathela kahle ku- Igobolondo likakhukhunathi Ikhabhoni elicushiwe futhi uphume kahle ezitshalweni ezijwayelekile ze-Anglo American noma ze-Zadra elution and electrowinning (EW).
7. I-AuCyan™ isebenza kanjani kuma-reactor e-leach anamandla aphezulu (i-HLR) njengezinhlelo ze-Acacia?
Ama-reactor anamandla amakhulu okucubungula ama-gravity gold concentrate adinga ama-reagent ahlanzekile kakhulu. I-AuCyan™ (≥98.3%) incibilika ngokushesha nangokuphelele, iqinisekisa cishe ukuncibilika okungu-99% kwezinhlayiya zegolide eziqinile nezicolekile emijikelezweni ye-batch reactor leach zingakapheli amahora.
8. Kungani izitshalo zegolide zaseNingizimu Afrika kufanele zikhethe ikhabhoni yegobolondo likakhukhunathi lase-Indonesia kunekhabhoni yamalahle yendawo?
Nakuba amakhabhoni asekelwe kumalahle ekhiqizwa endaweni, ikhabhoni esebenzayo yegobolondo likakhukhunathi inikeza indawo ephezulu kakhulu ebusweni be-micro-pore kanye nobunzima obukhulu kakhulu bomshini (≥99%). I-AuCarb™ Coconut Carbon inikeza amandla okulayisha egolide aphezulu (inani le-K) kanye namazinga okuncipha aphansi kakhulu uma kuqhathaniswa nekhabhoni yamalahle.
9. Yisiphi isikhathi esivamile sokulethwa kweziqukathi zamakhemikhali ezivela eThekwini laseDurban ziya ezindaweni zezimayini?
Uma imikhumbi yolwandle isifikile echwebeni laseDurban, izinqubo zethu zokukhokha ezilungisiwe kusengaphambili zivumela ukuthunyelwa kwamakhonteyina zingakapheli izinsuku ezintathu kuya kwezi-5 zebhizinisi. Ukuhamba ngomgwaqo ukuya eGauteng, eFree State, noma eBarberton kuthatha amahora angama-24 kuya kwangu-48 engeziwe, okuqinisekisa ukuphathwa kwempahla okubikezelwayo.
10. Ochwepheshe bezinsimbi zezitshalo baseNingizimu Afrika bangacela kanjani amasampula amahhala okuhlolwa kwebhodlela elebhu?
Ochwepheshe Bensimbi Abakhulu kanye Nabaphathi Belebhu eNingizimu Afrika bangacela Amasampula Okuhlola Amahhala ye-AuCyan™, i-AuCarb™, noma i-AuLeach™ ngefomu lethu lokuxhumana lewebhusayithi. Sithumela ama-sample kit ngqo elabhorethri yesayithi lakho ukuze kuhlolwe ukuhlolwa kwe-CIL bottle-roll kanye ne-kinetic adsorption.
- Okuqukethwe Okungahleliwe
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- ISItifiketi SoHLELO LWEZEMPILO NOKUPHEPHA EMSEBENZINI
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- Ibanga Lokudla I-Calcium Carbonate Powder Yempushana Enamandla Okukhanya Okusindayo engu-99%
- 1I-Sodium Cyanide Eyehlisiwe (CAS: 143-33-9) Yezimayini - Ikhwalithi Ephezulu Namanani Ancintisanayo
- 2I-Sodium Cyanide 98.3% CAS 143-33-9 I-NaCN i-ejenti yokugqoka igolide Ebalulekile Ezimbonini Zamakhemikhali Ezimayini
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- 4I-Sodium Cyanide (CAS: 143-33-9) Isitifiketi somsebenzisi wokugcina (inguqulo yesiShayina nesiNgisi)
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- 6Imboni yaseShayina iSulfuric Acid 98%
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- 1I-Sodium Cyanide 98.3% CAS 143-33-9 I-NaCN i-ejenti yokugqoka igolide Ebalulekile Ezimbonini Zamakhemikhali Ezimayini
- 2Ukuhlanzeka Okuphezulu · Ukusebenza Okuzinzile · Ukubuyisela Okuphakeme — i-sodium cyanide yokucwiliswa kwegolide yesimanje
- 3Izithasiselo Zokudla Okunomsoco I-Sarcosine Emluthayo 99% min
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- 7I-Digital Electronic Detonator (Isikhathi sokubambezeleka 0~ 16000ms)
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