Ịmụta Ịmịpụta Ọlaedo Dị Omimi na nke Na-adịghị Mma na South Africa: Ngwọta Reagent Dị Elu
South Africa dị ka ebe akụkọ ihe mere eme nke igwupụta ọlaedo nke oge a. Ebe obibi nke ihe owuwu ala ama ama dịka Witwatersrand Basin - ebe obibi nke ọrụ dị n'okpuru ala kachasị omimi n'ụwa dịka Mponeng Mine nke Harmony Gold, South Deep Mine nke Gold Fields , na ọrụ Driefontein nke Sibanye-Stillwater - yana ihe ndị na-adịghị mma nke Barberton Greenstone Belt (Pan African Resources' Fairview na Sheba mines). Agbanyeghị, iwepụta ọlaedo site na mmiri ndị a dị omimi na matrices mineral dị mgbagwoju anya na-eweta ihe ịma aka metallurgical a na-ahụtụbeghị mbụ nye ndị na-ahụ maka osisi na ndị isi na-ahụ maka metallurgical nke oge a.
N'ime ụlọ ọrụ metallurgical nke oge a na South Africa, ihe mgbochi atọ dị oke mkpa na-eyi arụmọrụ ọrụ egwu mgbe niile. Nke mbụ, Highly Refractory & Pyritic Ore Matrices: A na-etinye ores sitere na miri emi Carbon Leader na Ventersdorp Contact Reefs (VCR) ma ọ bụ Barberton quartz- Carbon ate veins nke ọma na pyrite na arsenopyrite matrices. mineral sulfide ndị a na-eri cyanide na oxygen n'efu nke ukwuu, na-ebelata oke mmiri mmiri ma na-ebelata mgbake ọlaedo n'ozuzu ya. Nke abụọ, Severe Carbon Attrition & Preg-Robbing: High-powered Carbon-in-Pulp (CIP) na Carbon-in-Leach (CIL) osisi na-eji nnukwu ihe na-akpali igwe. Soft Activated Carbon na-agbawa ngwa ngwa ghọọ ájá dị nro n'okpuru ike shear a siri ike, na-ebu ọlaedo dị oké ọnụ ahịa a na-etinye ozugbo na Tailings Storage Facilities (TSF). Ọzọkwa, carbonaceous shale oyi akwa na ore ahụ na-agbaze ọlaedo site na ngwọta. Nke Atọ, Nlekọta Gburugburu Ebe Obibi Na-aga nke Ọma (DWS & NEMA): Ngalaba Mmiri na Ịdị Ọcha nke South Africa (DWS) na Iwu Njikwa Gburugburu Ebe Obibi nke Mba (NEMA) na-eme ka a na-enyocha oke cyanide na mwepụ ígwè dị arọ n'ọdọ mmiri ndị na-agbapụta mmiri iji gbochie Mkpọpụta Acid (AMD) na mmetọ mmiri dị n'ime ala.
United Chemical na-enye usoro kemịkalụ zuru oke, nke a nwapụtara nke ọma maka osisi ọlaedo dị omimi na nke na-anaghị amị amị na South Africa. Site na ijikọta ihe ndị na-eme ka ihe dị ọcha dị elu, ndị na-adịgide adịgide. Aki oyibo Shell Dịka anyị si kwuo, site na iji ihe ndị na-eme ka carbon dị ọcha, na ihe ndị na-anaghị emebi gburugburu ebe obibi, anyị na-enye ndị na-egwuputa ihe na South Africa ike ka ha nwetaghachi onwe ha nke ọma, wepụ mfu carbon, ma nọgide na-agbaso iwu gburugburu ebe obibi zuru oke.
Matrix Kemịkalụ ahaziri maka Ọrụ Ọlaedo South Africa
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Ores ndị dị n'okpuru ala dị omimi sitere na Witwatersrand na ores Barberton nke bara ọgaranya na sulfide chọrọ ihe dị ọcha nke ukwuu iji merie sulfide ígwè ndị dị n'okpuru ma nweta ike ngwa ngwa nke ọla edo.
Ịdị Ọcha Na-adịghị Ekwe Omume (≥98.3% NaCN): AuCyan™ na-enye oke nnweta cyanide ion n'efu. Oke kemịkalụ a dị elu na-arụ ọrụ na-emeri akwa sulfide passivation na pyritic ores, na-eme ka ọnụego leaching dịkwuo elu ma na tankị leach ikuku na sistemụ exlution dị elu.
Nrubeisi zuru oke nke SANS 10228 / SANS 10231 Hazmat: A na-ebuga AuCyan™ ozugbo site na ọdụ ụgbọ mmiri Durban, a na-etinye ya na drọm ígwè dị arọ nke UN kwadoro yana ihe mkpuchi ime siri ike, na-emezu ụkpụrụ mba South Africa niile maka njikwa ngwaahịa dị ize ndụ na ibuga ya n'ime ala gaa na Gauteng na ebe ogbunigwe Free State.
AuCarb™ Gold Recovery Shell AuCarb™ Activated Carbon (≥99% Ike)
Ụlọ ọrụ CIP dị na South Africa dị oke elu dịka South Deep chọrọ kabọn arụ ọrụ nke nwere ike iguzogide mmetụta igwe na-aga n'ihu ma na-ejide ọlaedo n'ike site na slurries dị mgbagwoju anya.
Nguzogide Abrasion Dị Oke (≥99% Ike): AuCarb™ , nke e ji ihe mkpuchi aki oyibo Indonesia dị oke njupụta mepụta, nwere ike igwe na-enweghị atụ. Ọ na-egbochi mmepụta obere carbon na ihe ndị na-akpali akpụkpụ dị elu, na-echekwa ounce ọlaedo ka ọ ghara ịla n'iyi ruo n'ọdụ.
Mkpọsa Ngwa Ngwa na Mgbochi Mmebi Preg: Emebere ya na nkesa micropore na mesopore kacha mma, AuCarb™ na-egosipụta ngwa ngwa nke njikọta adsorption mgbagwoju anya nke gold-cyanide [Au(CN)₂⁻], na-emeri ihe ndị sitere n'okike nke carbonaceous dị na South Africa reefs.
AuLeach™ Gold Leaching Auleach™ (GDA) - Anaghị akpata nsogbu
Ka Ngalaba Mmiri na Ịdị Ọcha nke South Africa na-eme ka oke mwepụta mmiri sie ike, AuLeach™ na-enye ụzọ ọzọ a ga-esi wepụ mmiri n'ime ala nke na-enweghị cyanide, nke dịkwa irè nke ukwuu maka ogbunigwe ọgbara ọhụrụ nke ESG na-amaghị.
N'okpuru iwu nke enweghị Cyanide & DWS/NEMA: AuLeach™ , nke a na-akpọ ọgwụ na-anaghị emerụ ahụ, na-eme ka njikwa Tailings Storage Facility (TSF) dị mfe nke ukwuu. Ọ na-ezere nchịkọta kemịkalụ na-egbu egbu, na-ebelata ọnụ ahịa nsị nke ukwuu ma na-eme ka mmeghari ikike mmiri dị mfe.
Ndozigharị Osisi Na-enweghị Nsogbu na Njem Ngwa Ngwa: AuLeach™ bụ nnọchi ozugbo maka NaCN. Ọ na-arụ ọrụ nke ọma na tankị CIL/CIP na sekit mgbapụta dị adị na-enweghị nkwalite isi obodo. Ọzọkwa, dị ka ibu na-adịghị ize ndụ, ọ na-agafe mmachibido njem hazmat site na ọdụ ụgbọ mmiri Durban.
Ngwa Ngwa Ngwa Na-enweghị Nsogbu: Ọdụ Ụgbọ Mmiri Durban ruo South Africa Goldfields
Ọkụ na-enweghị nkwụsị bụ isi iyi nke nnukwu ogbunigwe dị n'okpuru ala na South Africa. United Chemical eguzobela usoro ọkọnọ ígwè nke e mere maka ebe a na-egwupụta ihe n'ime obodo na South Africa.
Nhazi Ọdụ Ụgbọ Mmiri Durban na Mwepụ Ọsọ Ụgbọ Mmiri Ngwa Ngwa: Anyị na-ejigide ụzọ mbupu akpa na-ebuga n'Ọdụ Ụgbọ Mmiri Durban, nke akwụkwọ omenala dị mfe maka ma NaCN dị ize ndụ nke Klas 6.1 na carbon na GDA reagents n'ozuzu.
Ebe Njem Ụgbọ Mmiri Kpọmkwem Gaa na Ebe Njem: Site na Durban, ndị mmekọ anyị nwere ikike maka njem ụgbọ okporo ígwè na-ejikwa njem ụgbọ okporo ígwè ngwa ngwa ozugbo gaa na ebe nkwakọba ihe nke ebe a na-egwupụta ihe na City Deep (Johannesburg), Welkom (Free State), Klerksdorp (North West), na Barberton (Mpumalanga).
Nwalee ihe ndị na-ere ahịa anyị na South Africa gị
Mee ka ọkwa mgbake nke osisi gị dịkwuo elu ma belata oriri nke ihe ndị na-emepụta ihe. A na-akpọ ndị njikwa osisi, ndị injinia ígwè, na ndị nlekọta ụlọ nyocha gburugburu South Africa ka ha rịọ maka ihe nlele AuCyan™, AuCarb™, ma ọ bụ AuLeach™ n'efu maka nnwale karama-mpịakọta na nnabata.
Rịọ maka ihe nlele ụlọ nyocha n'efu ugbu a
Ajụjụ Ndị A Na-ajụkarị: Nhazi Ọlaedo na South Africa
1. Kedu ka AuCyan™ si eme ka mwepụta ọlaedo site na ihe ndị dị na pyritic dị na Barberton Greenstone Belt ka mma?
Ores dị na Barberton (dịka na Fairview na Sheba) nwere nnukwu pyritic na arsenopyritic. Cyanide dị ala na-agbasi mbọ ike ịgbaji site na mkpuchi sulfide matrix. AuCyan™ (≥98.3% ịdị ọcha) na-eme ka e nwee nnukwu mkpokọta nke ion CN⁻ n'efu, na-ejigide ike mkpali nke oxidation-dissolution siri ike ma na-eme ka mgbake kinetic dịkwuo elu na sekit oxidation nrụgide (POX) ma ọ bụ CIL tail-leach.
2. Gịnị mere ike carbon ji dị oke mkpa maka nnukwu ụlọ ọrụ CIP na Free State nke South Africa?
Ụlọ ọrụ Free State CIL/CIP na-eji ọtụtụ puku tọn ọla kwa ụbọchị site na iji ihe na-akpali akpali dị elu. Kabọn a na-arụ ọrụ dị nro na-enwe nnukwu mkpụkọ ígwè, na-agbanwe ghọọ uzuzu carbon nke na-esi na ihuenyo nchekwa gbapụ gaa na ọdọ mmiri ọdụ. AuCarb™ Activated Carbon na-enye ike ≥99%, na-egbochi mmebi carbon ma na-echekwa mkpụrụ ọlaedo.
3. Kedu ka AuLeach™ si enyere aka na ogbunigwe ndị dị na South Africa site na ịgbaso iwu nke Ngalaba Mmiri na Ịdị ọcha (DWS)?
DWS nke mba South Africa na-etinye oke ókè na ọkwa cyanide n'ime mmiri ọdụ ogbunigwe iji chebe ebe mmiri gbara ya gburugburu na ọdọ mmiri. AuLeach™ GDA enweghị cyanide ma ọ dịghịkwa emerụ gburugburu ebe obibi ahụ, nke na-enye ohere ka ogbunigwe belata ọnụ ahịa ọgwụgwọ ọdụ ogbunigwe nke ukwuu ma na-agbaso iwu mmiri NEMA n'enweghị nsogbu.
4. AuCarb™ ọ ga-enwe ike imeri carbon shale nke na-ezu ohi na Witwatersrand Carbon Leader Reefs?
Ee. Ores nwere carbonaceous shale (ihe e ji eme ihe n'oge a na-anapụ) nwere ike ịmịnye ọlaedo agbazere ọzọ n'oge. AuCarb™ nwere kinetics adsorption ngwa ngwa na nhazi pore dị elu, na-enye ya ohere ịmịnye mgbagwoju anya gold-cyanide ngwa ngwa ma sie ike karịa ihe ndị sitere n'okike preg-rapping organic na slurry.
5. Kedu ụkpụrụ njem njem maka ibuga AuCyan™ site na Durban Port gaa na ogbunigwe Gauteng?
Mbupu niile nke AuCyan™ (Class 6.1 Dangerous Goods) na-agbaso ụkpụrụ SANS 10228 na SANS 10231 nke ọma. A na-etinye ihe ndị na-eme ka ihe ndị na-eme ka ihe dị nro n'ime drum ígwè UN nke e mechiri emechi ma na-ebuga ha site na ụgbọala hazmat nwere ikike ozugbo site na Durban Port gaa n'ụlọ nkwakọba ihe ndị a na-egwupụta ihe na Johannesburg, Carletonville, na Welkom.
6. AuLeach™ ọ dakọtara na sekit eletion na electrowinning nke South Africa dị ugbu a?
N'ezie. AuLeach™ GDA achọghị mgbanwe isi obodo. Ọ na-emepụta ihe ndị siri ike nke na-abanye nke ọma na Coconut Shell Activated Carbon ma na-enwu nke ọma na osisi Anglo American ma ọ bụ Zadra elution na electrowinning (EW).
7. Kedu ka AuCyan™ si arụ ọrụ n'ime ihe ndị na-eme ka mmiri ghara ịdị ike (HLR) dịka sistemụ Acacia?
Ngwakọta ihe na-eme ka ihe na-amịpụta ihe na-esi ísì ụtọ nke ukwuu, nke na-ahazi ike ndọda ọlaedo, chọrọ ihe ndị na-eme ka ihe dị ọcha dị elu. AuCyan™ (≥98.3%) na-agbaze ngwa ngwa ma kpamkpam, na-eme ka ihe fọrọ nke nta ka ọ bụrụ 99% nke ihe ndị na-eme ka ihe dị nro na nke dị mma na-agbaze n'ime usoro ihe na-amịpụta ihe na-eme ka ihe dị n'ime ihe ndị ...
8. Gịnị mere osisi ọlaedo ndị dị na South Africa ji kwesị ịhọrọ carbon aki oyibo nke Indonesia karịa carbon coal nke obodo?
Ọ bụ ezie na a na-emepụta kabọn ndị e ji kol mee n'ógbè a, kabọn a na-arụ ọrụ na shei aki oyibo na-enye nnukwu oghere dị elu na ike igwe dị elu (≥99%). Kabọn Aki oyibo AuCarb™ na-enye ikike ibu ọlaedo dị elu (uru K) ma na-ebelata ọnụego mmịpụta nke ukwuu ma e jiri ya tụnyere kabọn kol.
9. Kedu oge a na-eji ebuga ihe ndị e ji eme ihe n'ọdụ ụgbọ mmiri Durban ruo ebe a na-egwupụta ihe?
Ozugbo ụgbọ mmiri oké osimiri kwụsịrị na Durban Port, usoro omenala anyị edoziri tupu oge eruo na-eme ka nnyefe akpaetu dị mfe n'ime ụbọchị azụmahịa 3 ruo 5. Njem okporo ụzọ gaa Gauteng, Free State, ma ọ bụ Barberton na-ewe awa 24 ruo 48 ọzọ, na-eme ka a mara na njikwa ngwa ahịa dị adị.
10. Kedu ka ndị ọkachamara n'ihe gbasara ígwè na osisi na mba South Africa ga-esi rịọ maka ihe nlele efu maka nnwale karama ụlọ nyocha?
Ndị isi ọkachamara n'ihe gbasara ígwè na ndị njikwa ụlọ nyocha na South Africa nwere ike ịrịọ maka ihe nlele nnwale efu nke AuCyan™, AuCarb™, ma ọ bụ AuLeach™ site na fọm kọntaktị weebụsaịtị anyị. Anyị na-eziga ngwa nlele ozugbo na ụlọ nyocha saịtị gị maka nyocha CIL maka karama na ntinye kinetic.
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