Kukunda Kushaikwa Kwemvura & Kuoma Kwematombo muBazi reGoridhe muNamibia: Mhinduro dzeKuburitsa Mvura Dzakakura
Namibia inzvimbo iri kusimukira munyika yekuchera goridhe pasi rose, ine mabasa epamusoro-soro akadai seNavachab Gold Mine muErongo Region, B2Gold's Otjikoto Mine inoshanda zvakanyanya muOtjozondjupa Region, uye mapurojekiti ari kukura nekukurumidza akadai seOsino Resources' Twin Hills . Zvisinei, kushanda kwezvirimwa zvesimbi muNamibia kune matambudziko akasiyana ezvakatipoteredza uye geology anoda ma reagents ane hunyanzvi hwakanyanya.
Kune Vakuru veMetallurgists neManeja eMiti muNamibia, nzvimbo nhatu dzinonyanya kukonzera kurwadziwa dzinotonga mashandiro ezuva nezuva. Chekutanga, Kushaikwa Kwemvura Yakawanda uye Kudzokorodza Kwakawanda: Iri munzvimbo yakaoma zvikuru, yerenje, makambani egoridhe eNamibia anofanira kudzokorodza mvura nesimba. Izvi zvinotungamira mukuunganidzwa kwemamiriro ehypersaline uye simbi dzinokuvadza muCIL (Carbon-in-Leach) circuits, izvo zvinoderedza zvakanyanya kinetics yegold leaching uye zvakanyanya fouls activated Carbon . Chechipiri, Complex Skarn Ore Mineralogy: Madhaka akaita seNavachab anozivikanwa ne complex skarn uye quartz-sulfide veins. Madhaka aya anowanzo kuve nehuwandu hwakawanda hwecyanicides (senge copper ne pyrrhotite) iyo inoshandisa cyanide yakasununguka zvakanyanya , zvichikwira mitengo yekushanda. Chechitatu, Mitemo Yakakomba yeKudzivirira Mvura Pasi Pevhu: Ministry of Environment, Forestry and Tourism (MEFT) yeNamibia inosimbisa mitemo yakaoma maererano nekuchengetwa kwetsvina uye kusvibiswa kwemvura yepasi pevhu, zvichiita kuti kutarisira makemikari ane njodzi echinyakare kuve mutoro mukuru wezvekufambisa uye wezvemari.
United Chemical yakagadzira boka rezvinhu zvinogadzirisa goridhe repamusoro-soro zvakagadzirirwa kukunda matambudziko akaomarara ekuchera goridhe muNamibia. Nekubatanidza kuchena kwakanyanya. Sodium Cyanide, inogara kwenguva refu Yakagadziriswa Carbon, uye nzira itsva dzekubvisa goridhe dzisina njodzi, tinovimbisa kudzoserwa kwegoridhe kwakawanda, marara mashoma e reagent, uye kutevedzera nharaunda zvizere.
Matrix Yepamusoro yeMakemikari yezvirimwa zvegoridhe zveNamibia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Kugadzirisa matombo akaomarara ane mhangura eDamara Belt kunoda mushonga unonatsa muviri kuti urambe uine cyanide yakasununguka pasina kunwa zvakanyanya.
Kukunda Kushandiswa Kwakawanda kweCyanicide: Nekuchena kwakavimbiswa kwe ≥98.3%, AuCyan™ inopa ma CN⁻ ions anoshanda zvakanyanya. Izvi zvinoderedza kuumbwa kwema base-metal thiocyanate complexes asingadiwe, zvichiita kuti huwandu hwakanyanya hwe reagent hushandiswe mukunyungudika kwegoridhe chete, zvichideredza zvakanyanya mwero wekushandiswa kwese patani yematombo anogayiwa.
Kutevedza Mutemo weKupinza Zvinhu muWalvis Bay: Yakarongedzwa mumadhiramu esimbi akasimba akaedzwa zvakasimba, ane chitupa cheUN ane mabhegi ePVC anorema mukati, AuCyan™ yakagadzirwa kuti ikwanise kutsungirira kupisa kwakanyanya kwegwenga reNamib panguva yekufambisa kubva kuPort of Walvis Bay kuenda kunzvimbo dziri kure dzemigodhi.
AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kuoma)
Munzvimbo dzeCIL dzinoshandiswa zvakanyanya muNamibia, kabhoni inoshandiswa mumhepo inogadziriswa inobatwa nemunyu wakawanda uye inokonzereswa nemagetsi. Kabhoni isina simba inokonzera kurasikirwa negoridhe zvakanyanya.
Kusadonha kwemvura muHypersaline Circuits: Yakagadzirwa kubva kuIndonesian Coconut Shell ine huremu hwakanyanya , AuCarb™ ine huremu hwakanyanya hwekuomarara hwe ≥99%. Inoramba isina kuumbwa kunyangwe ichiramba ichipomba uye ichikweshwa zvakanyanya, zvichibvisa kugadzirwa kwemafuta egoridhe ane kabhoni anowanzo rasirwa mugomba remusana.
Kuramba Kusvibiswa Nezvinhu Zvakagadzirwa Nenyama: Maumbirwo akagadzirwa nemachubhu madiki nemadiki eAuCarb™ anoita kuti gold adsorption kinetics ikurumidze [Au(CN)₂⁻], zvichibudirira kukunda zvinhu zvisina kugadzirwa nemakemikari uye zvisingashandiswi zvinowanikwa mumvura yeNamibia inoshandiswazve.
AuLeach™ Gold Leaching Agent (GDA) - Isina Ngozi
Kuchengetedza mvura yemugwenga muNamibia isina kusimba chinhu chakakosha munyika. AuLeach™ inopa nzira itsva yekuburitsa mvura isina cyanide inoenderana nemitemo yakasimba yeMEFT.
Mvura Yepasi Yakachengeteka Uye Isina Cyanide: Sechinopa reagent chisina njodzi, AuLeach™ inobvisa njodzi yekudonha kwecyanide ine chepfu ichipinda munzvimbo dzakakosha dzepasi pevhu. Inoderedza zvakanyanya mutengo uye kuoma kwezvinodiwa zvekutarisira Tailings Storage Facility (TSF) uye detoxification yecyanide (INCO process).
Zvinhu Zvisina Kukakavadzana kubva kuWalvis Bay: Nekuti AuLeach™ haina kuiswa muchikamu cheClass 6.1 Dangerous Goods, inodarika maitiro ekubvumidza njodzi kwenguva refu paPort of Walvis Bay. Izvi zvinoita kuti kubviswa kwemotokari kuitwe nekukurumidza, mitengo yekutakura zvinhu munyika isingadhuri, uye kuwanikwa nekukurumidza kwemabasa ekugadzira michina pasina kuda mari yekuwedzera.
Nzvimbo Yekutakura Zvinhu Yakagadziriswa: Chiteshi cheWalvis Bay kuenda kuGedhi reMine
Munyika yakakura seNamibia, zvinhu zvinovimbika zvakakosha sekushandiswa kwemakemikari. United Chemical inoshandisa mukana wehurongwa hwe Port yeWalvis Bay kuve nechokwadi chekuti reagent haipindirwi.
Kugadziriswa Kwetsika Nekugadziriswa Kwemachiteshi: Tinoshanda zvakananga nevamiriri veNamibia vane marezenisi ekubvisa zvinhu vane hunyanzvi mukutakura zvinhu zvine njodzi (NaCN) uye zvisina njodzi (Carbon, GDA), tichiona kuti hapana kunonoka kwekubviswa kwezvinhu kuWalvis Bay.
Kutakurwa Kwakachengeteka Munyika: Tichishandisa nzira dzeTrans-Kalahari nedzechitima/migwagwa yemuno, tinovimbisa kuendesa kwakachengeteka, kunoenderana nemitemo, uye nekukurumidza zvakananga kunzvimbo dzemigodhi munzvimbo dzeKaribib (Erongo) neOtavi (Otjozondjupa).
Ratidza Kubudirira Kwekudzoreredza Mari Yako yeNamibia
Rega kurasikirwa nemaunzi nekuda kwemafuta akakangwa uye kushandiswa kwakawanda kwecyanicides. Tinokoka Maneja eMiti muNamibia neVatariri veLaboratory kuti vakumbire sampuro dzemahara dzeAuCyan™, AuCarb™, kana AuLeach™ kuti dziongororwe zvakakwana mubhodhoro uye CIL pilot.
Kumbira Sampuli dzeLab dzeMahara Iye Zvino
Mibvunzo Inowanzo bvunzwa: Makemikoro Ekuchera Goridhe muNamibia
1. AuCyan™ inobata sei mhangura yakawanda inowanikwa mumatombo eNamibia?
MaSkarn deposits munzvimbo dzakadai seErongo anowanzo kuve ne copper sulfides inoshanda se cyanicides ine simba, ichidya cyanide yakajairwa nekukurumidza. AuCyan™ (≥98.3% purity) inopa sosi yakasimba uye yakagadzikana ye CN⁻ ions dzakasununguka, iyo inobatsira kugutsa kudiwa kwesimbi yebase uku ichisiya cyanide inoshanda yakakwana kuchengetedza mwero wepamusoro wekunyungudika kwegoridhe.
2. Sei AuCarb™ ichikurudzirwa kune zvirimwa zvinoshandisa mvura yakawanda munzvimbo dzakaoma?
Zvivako zvegoridhe zvekuNamibia zvinodzokorora mvura inenge yese inogadzirwa, zvichikonzera kuwanda kwemunyu uye kuunganidzwa kwemafuta anonhuwirira emuchadenga. AuCarb™ Coconut Activated Carbon ine chimiro chakanyatsojeka chemesopore/micropore chinotarisa zvakanyanya aurocyanide complex, ichidzivirira kusvibiswa nemvura inodzokororwa zviri nani kupfuura macarboni akajairwa anobva mumalahle.
3. AuLeach™ inotevedzera mitemo yeNamibian Ministry of Environment, Forestry and Tourism (MEFT) here?
Zvechokwadi. AuLeach™ GDA chinhu chisina cyanide, chisingakuvadzi goridhe. Inoenderana zvakakwana nemirairo yakasimba yeMEFT yekuchengetedza masisitimu emvura yepasi pevhu ari mugwenga, zvichideredza zvakanyanya mutoro wezvakatipoteredza wemugodhi uye zvichiita kuti kuvandudzwa kweEnvironmental Clearance Certificate (ECC) kuve nyore.
4. Ndedzipi nzira dzekutakura zvinhu dzinoshandiswa pakupinza zvinhu kunze kwenyika? United Chemical ma reagents muNamibia?
Mishonga yedu yese yemakemikari inoenda kuNamibia inofambiswa nepachiteshi cheWalvis Bay chinoshanda zvakanaka . Kubva ipapo, kuburikidza neTrans-Kalahari corridor nemigwagwa yenyika, tinoendesa zvakananga kunzvimbo huru dzekuchera migodhi munzvimbo dzeErongo neOtjozondjupa.
5. Kupisa kwakanyanya kwegwenga kunokanganisa kuchengetwa kana kushanda kweAuCyan™ here?
Kwete. AuCyan™ inogadziriswa panguva yekugadzira uye inoiswa mumadhiramu esimbi ane gauge yakakura ine mabhegi emukati anodzivirira hunyoro, akavharwa zvakanaka. Chero bedzi yakachengetwa mubunker yemakemikari yakaoma, ine mhepo inofefetera zvakanaka kure nezuva rakananga, inoramba yakagadzikana 100% mukutonhora kwegwenga reNamibia.
6. AuLeach™ inogona kushandiswa here mumiti iripo yeCarbon-in-Leach (CIL) seOtjikoto isina kugadziriswazve?
Ehe. AuLeach™ inotsiva zvakananga sodium cyanide . Inoshandisa matangi akafanana e "agitation tanks", pH control systems, uye activated carbon adsorption (CIL/CIP) circuits, zvisingade mari yakawanda yekugadzirisa zvirimwa.
7. AuCarb™ inodzivirira sei kurasikirwa nekabhoni muzvishandiso zvinopisa zvakanyanya?
Kurasikirwa nekabhoni kunoreva kurasikirwa negoridhe zvakananga. AuCarb™ inobatwa nekukurumidzira kwemhepo uye kubvisa guruva, zvichiita kuti kuomarara kwemuchina kuve ≥99%. Inokwanisa kutsungirira simba rekucheka remaimpeller makuru mumatangi eCIL, zvichideredza zvikuru kugadzirwa kweguruva rakatsetseka rekabhoni.
8. Munopa rutsigiro rwehunyanzvi here pakugadzirisa maCIL circuits muNamibia?
Zvakanaka. United Chemical Haasi mutengesi chete; isu tiri vadyidzani vesimbi. Tinopa mazano ehunyanzvi nguva dzose, ongororo yedata redunhu riri kure, uye gwara rekushandisa reagent zvakanaka paprofile yenyu yesimbi yeNamibia.
9. Ndeipi nzira yekubvisa AuLeach™ kuburikidza netsika dzekuNamibia zvichienzaniswa neSodium Cyanide?
Sodium Cyanide (Kirasi 6.1) inoda mvumo dzakasimba dzekuchengetedza njodzi, vaperekedzi vakachengeteka, uye magwaro akawanda kuburikidza neWalvis Bay. AuLeach™ , sezvo isina njodzi, inobvumidza mitero yemumaindasitiri semitoro yemumaindasitiri, ichibvisa kunonoka kwemavhiki ekutonga uye ichideredza zvakanyanya mitengo yekutakura zvinhu munyika.
10. Mugodhi wangu kuNamibia ungawana sei sampuro dzekuyedzwa mahara?
Zviri nyore. Tibatei kuburikidza newebhusaiti yedu neruzivo rwekutanga rwemugodhi wenyu (rudzi rweore, throughput yezuva nezuva). Tichatumira Kit yeSample yeLab yemahara (AuCyan™, AuCarb™, kana AuLeach™) kuburikidza nekutumira tsamba dzekunze zvakananga kurabhoritari yenyu iri panzvimbo kuti iongororwe yega.
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