Kukunda Kushaikwa Kwemvura & Kuoma Kwematombo muBazi reGoridhe muNamibia: Mhinduro dzeKuburitsa Mvura Dzakakura
Namibia inzvimbo iri kusimukira munyaya dzekuchera goridhe pasi rose, ine mabasa epamusoro-soro akadai se Mugodhi wegoridhe weNavachab muDunhu reErongo, B2Gold inoshanda zvakanyanya Mugodhi weOtjikoto muDunhu reOtjozondjupa, uye mapurojekiti ari kukura nekukurumidza akadai seOsino Resources' Twin HillsZvisinei, kushanda kwezvirimwa zvesimbi muNamibia kune matambudziko akasiyana-siyana ezvakatipoteredza uye geology ayo anoda mishonga yemakemikari ine hunyanzvi hwakanyanya.
Kune Vakuru veMakambani eMetallurgists neManeja eMafekitori muNamibia, nzvimbo nhatu dzinorwadza zvakanyanya dzinotonga mashandiro ezuva nezuva. Chekutanga, Kushaikwa Kwemvura Yakanyanya Uye Kudzokorodza Kwakawanda: Zviri munzvimbo yakaoma zvikuru, gwenga, mafekitori egoridhe ekuNamibia anofanira kudzokorodza mvura nekukurumidza. Izvi zvinotungamira mukuunganidzwa kwemvura ine munyu wakawanda uye simbi dzinokuvadza muCIL (Carbon-in-Leach), izvo zvinoderedza zvakanyanya kinetics yekubvisa gold leaching uye kukanganiswa kwakanyanya kunokonzerwa nekuita kwefouls. kabhoni. Chechipiri, Complex Skarn Ore Mineralogy: Madhaka akadai seNavachab anozivikanwa ne complex skarn uye quartz-sulfide veins. Matombo aya anowanzo kuve nehuwandu hwakawanda hwe cyanicides (senge copper ne pyrrhotite) iyo inodya zvakanyanya mahara. cyanide, mitengo yekushanda iri kukwira zvakanyanya. Chechitatu, Mitemo Yakakomba Yekudzivirira Mvura Yepasi: Bazi reZvenharaunda, Masango neKushanya muNamibia (MEFT) rinoisa mitemo yakaoma pamusoro pekuchengetwa kwemarara 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 kweCyanicides: Nekuchena kwakavimbiswa kwe ≥98.3%, AuCyan™ inopa ma CN⁻ ions anoshanda zvakanyanya. Izvi zvinoderedza kuumbwa kwema base-metal thiocyanate complexes asingadiwe, zvichiita kuti huwandu hwakawanda hwe reagent hushandiswe mukunyungudika kwegoridhe chete, zvichideredza zvakanyanya mwero wekushandiswa kwese kwese patani yematombo anogayiwa.
Kutevedzera 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.
Kusava Nekusimba Mumacircuits eHypersaline: Yakagadzirwa kubva kuIndonesian yepamusoro-soro, ine vanhu vakawanda Kozi Shells, AuCarb™ ine chiyero chakanaka chekuomarara kwe ≥99%. Inoramba isina kuumbwa pasinei nekupomba nguva dzose uye kukweshwa kwakanyanya, zvichibvisa kugadzirwa kwemafuta egoridhe ane kabhoni anowanzo rasirwa kudhamu remusana.
Kuramba Kusvibiswa Nezvinhu Zvisikwa: Maumbirwo emacro nema micro-pore akagadzirwa zvakanaka eAuCarb™ anoita kuti gold adsorption kinetics ikurumidze [Au(CN)₂⁻], zvichibudirira kukunda organic ne inorganic foulants zvinowanzowanikwa mumvura yeNamibia yakadzokororwa zvakanyanya.
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 Pasi Yakachengeteka uye Isina Cyanide: Semushonga unoshanda usina njodzi, AuLeach™ Inobvisa njodzi yekudonha kwecyanide ine chepfu ichipinda munzvimbo dzakakosha dzepasi pevhu. Inoderedza zvakanyanya mutengo nekuoma kwezvinodiwa zvekutarisira Tailings Storage Facility (TSF) uye kubvisa cyanide muropa (INCO process).
Zvinhu Zvisingakanganisike 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 nekukurumidza, mitengo yekutakura zvinhu munyika isingadhuri, uye kuwanikwa nekukurumidza kwemabasa emufekitori 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.
Tsika Dzakagadziriswa uye Kubata Zviteshi: 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 zvinhu zvakachengeteka, zvinoenderana nemitemo, uye nekukurumidza kunzvimbo dzemigodhi dziri 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% kuchena) inopa sosi yakasimba uye yakasimba yeCN⁻ ions, iyo inobatsira kugutsa kudiwa kwesimbi yesimbi 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 yese inogadzirwa, zvichiita kuti munyu wakawanda uye kuunganidza zvinhu zvinosvibisa zvisikwa. AuCarb™ Kokonati Yakagadziriswa Kabhoni ine chimiro che mesopore/micropore chakanyatsotsanangurwa chinonanga zvakanyanya aurocyanide complex, ichidzivirira kusvibiswa nemvura yakadzokororwa zviri nani kupfuura macarboni akajairika akavakirwa pamalahle.
3. AuLeach™ inotevedzera mitemo yeNamibian Ministry of Environment, Forestry and Tourism (MEFT) here?
Zvakanaka. AuLeach™ GDA imushonga unobvisa goridhe usina cyanide, usingakuvadzi. Inoenderana zvakakwana nemirairo yakasimba yeMEFT yekuchengetedza masisitimu emvura yepasi pegwenga ari munjodzi, 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?
Kutumirwa kwemakemikari edu ese kuenda kuNamibia kunoendeswa kuburikidza nemagetsi anoshanda zvakanyanya. Port yeWalvis BayKubva 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?
Aihwa. AuCyan™ inogadzikana panguva yekugadzira uye inorongedzwa mumadhiramu esimbi ane gauge yakakura ane 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 "kusvika" sodium cyanideInoshandisa matangi akafanana e "agitation tanks", "pH control systems", uye "activated carbon adsorption" (CIL/CIP), zvisingade mari yekuchinja michina.
7. AuCarb™ inodzivirira sei kurasikirwa nekabhoni muzvishandiso zvinopisa zvakanyanya?
Kurasikirwa nekabhoni kunoreva kurasikirwa negoridhe zvakananga. AuCarb™ Inoshandiswa zvakanyanya mukugadziriswa kwemhepo uye kubviswa kweguruva, zvichiita kuti kuomarara kwemuchina kuve ≥99%. Inokwanisa kutsungirira masimba ekuchekerera emagetsi 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, nzvimbo dzakachengeteka dzekuchengetedza, uye magwaro akawanda kuburikidza neWalvis Bay. AuLeach™, sezvo isina njodzi, inobvumidza mitero yemutero semitoro yeindasitiri, 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 rwekushanda kwemugodhi wenyu (rudzi rweore, throughput yezuva nezuva). Tichatumira a Kiti Yemuenzaniso Yekurabhoritari Yemahara (AuCyan™, AuCarb™, kana AuLeach™) kuburikidza nekutumira zvinhu kubva kune dzimwe nyika zvakananga kurabhoritari yenyu kuti muongororwe mabhodhoro ega.
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