Kuwedzera Goho Kubva kuZambian Cupriferous Gold Ores: Advanced Reagent Solutions
Zambia inozivikanwa pasi rose nekuda kwehupfumi hwayo hwakawanda hwemhangura, asi chikamu chayo chegoridhe chiri kukura nekukurumidza. Kubva kumatunhu makuru ekuwana goridhe kubva kuzvinhu zvitsva mumabasa makuru akadai seFirst Quantum's Kansanshi Mine muSolwezi (North-Western Province), kusvika kumapurojekiti makuru egoridhe mumatunhu eMumbwa, Kasenseli, neRufuna. Zvisinei, kuwana goridhe munzvimbo yeZambia ine geological geology kune zvipingamupinyi zvakanyanya zvesimbi uye zvekutakura zvinhu zvinoda nzira dzakanyanya dzekugadzirisa goridhe.
Kune Vakuru veMetallurgists neVatungamiriri veKutenga muZambia, nzvimbo nhatu dzinorwadza zvakanyanya dzinotonga mabasa ezuva nezuva. Chekutanga, Highly Cupriferous Ores (Copper-Gold Cyanicides): Goridhe rakawanda reZambia rinochengetwa mumatrices ane mhangura yakawanda. Zvicherwa zvemhangura (senge chalcocite, bornite, uye malachite) zvinoshanda se "cyanicides" zvine simba, zvichireva kuti zvinokurumidza kushandisa cyanide yakawanda isina kunyungudutsa goridhe. Izvi zvinowedzera mutengo we reagent uye zvinoderedza goho regoridhe. Chechipiri, Landlocked Logistics & Border Bottlenecks: Senyika isina gungwa, makemikari anopinzwa munyika anofanira kupfuura nepaPort of Dar es Salaam (Tanzania), Beira (Mozambique), kana Durban (South Africa). Kubvisa Zvinhu Zvine Hazardous Goods (NaCN) kuburikidza nenzvimbo dzemiganhu dzine mukurumbira seNakonde/Tunduma kana Kasumbalesa kunowanzo kukonzera kunonoka kwemavhiki. Chechitatu, Strict ZEMA Regulations: Zambia Environmental Management Agency (ZEMA) iri kusimbisa mitemo yakaoma pakuburitswa kwecyanide uye kuchengetwa kwemakemikari ane njodzi, ichida kuti vashandi vemumigodhi vatevedzere mitemo inodhura.
United Chemical yakagadzira matrix yakagadzirwa nenzira yakasarudzika yekugadzirisa matambudziko esimbi dzemuZambia pamwe nemabasa ekufambisa zvinhu. Nekubatanidza zvinhu zvinonyungudutsa mvura zvakanyanya, zvinokwanisa kushanda nesimba. kabhoni, uye dzimwe nzira dzekubvisa tsvina dzisina njodzi, tinopa simba kumigodhi yeZambia kuderedza mari yekushandisa, kubvisa kunonoka kwemiganhu, uye kuwana mukana wekuvandudza simbi zvakanyanya.
Matrix yemakemikari yakagadzirirwa zvirimwa zvemhangura negoridhe zveZambia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Pakugadzira matombo ane mhangura akawanda muCopperbelt neNorth-Western province, kuchengetedza huwandu hwakawanda hwecyanide isina simba hazvigoneke kuti zvisanyanya kushandiswa nesimbi.
Kukunda Cupriferous Cyanicides: AuCyan™ ine hutsanana hwakasimba hwe ≥98.3%. Hutsanana uhwu hwakanyanya hunoita kuti CN⁻ ions iwane huwandu hwakawanda hwe CN⁻ ions, zvichigutsa complexation yekutanga ye copper-cyanide [Cu(CN)₃²⁻] ukuwo ichisiya cyanide yakakwana inoshanda kuti iite kuti goridhe rinyungudike nekukurumidza [Au(CN)₂⁻], zvichidzivirira goridhe kuti risanyungudike uye zvichivandudza kupora kwese.
Kurongedza Kwakaomarara: Kuti zvirambe zviri nyore kufamba kubva kuDar es Salaam kana kuDurban, AuCyan™ yakachengetedzwa mumadhiramu esimbi ane certification yeUN ane mapurasitiki akasimba, asingapindi mvura, zvichiita kuti chigadzirwa chive chakasimba kana chasvika kuNdola kana kuSolwezi.
AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Kuoma)
Mafekitori eCIL/CIP ekuZambia anowanzo shanda nemarara akakora uye ane simba guru. Kabhoni inoshandiswa inofanira kunge iine simba guru rekugadzira kuti isaparare uye isaparare.
Kusadonha kwemvura mumatope akaomarara: Yakagadzirwa kubva kuIndonesian Coconut Shell yakasarudzwa zvakanaka kuburikidza nekushandiswa kwemhepo inopisa, AuCarb™ ine chiyero chinoshamisa chekuomarara kwe ≥99%. Inodzivirira simba rekurwisa repakati pezvikamu uye kumutswa kwakanyanya, ichidzivirira kuumbwa kwemafuta egoridhe ane kabhoni anobuda mumadziva emuZambia.
Kushanda Nesimba Kwakanaka Kwekushongedza: Maumbirwo eAuCarb akagadzirwa zvakanaka uye ane mesopore anobvumira kurodha zvine simba muCIL circuit uye kubviswa kwegoridhe nekukurumidza, kwakazara muAARL kana Zadra elution uye electrowinning circuits.
AuLeach™ Gold Leaching Agent (GDA) - Isina Ngozi
Kune Zambia isina gungwa, kunonoka kwenjodzi dzinongoitika pamiganhu yenharaunda injodzi huru yekushanda. AuLeach™ inopa nzira inoenderana neZEMA, isina njodzi inodarika zvipingamupinyi zvemiganhu zvachose.
Kunonoka kweHazmat Border: Nekuti AuLeach™ inoonekwa sezvinhu zvemaindasitiri zvakajairika, haidi mapemiti akaomarara eClass 6.1, mapurisa anoperekedza, kana magwaro ekufambisa akasarudzika. Inobvisa miganhu yeNakonde/Tunduma neChirundu nekukurumidza, ichichengetedza nguva yekufamba kwemavhiki uye ichideredza zvakanyanya mitengo yekutakura zvinhu mukati menyika.
Kutevedzera ZEMA Environmental Compliance: Semushonga usina cyanide, AuLeach™ inoita kuti hukama hwako neZambia Environmental Management Agency huve nyore. Izvi zvinobvisa kudiwa kwenzvimbo dzinodhura dzeINCO dzinobvisa tsvina kubva munyama uye zvinopa marezenisi ekushanda kwenguva refu pasina njodzi kumvura yepasi pevhu yemuno.
Kutakura Zvinhu Kwakavimbika uye Kuendesa Zviteshi Zvakarongeka
United Chemical Tinonyanya kukoshesa kushanda zvakanaka uye pachena mucheni yedu yekugovera. Isu tine hunyanzvi mukutakura zvinhu zvekutengesa kunze kwenyika kwakasimba uye kwakanyatsogadzirwa kuitira kuti ma reagents enyu asvike pamagedhi echiteshi zvakachengeteka uye zvakachengeteka.
Hunyanzvi hweGlobal Logistics: Tinoshandisa nzira dzekutumira zvinhu zvakakosha kumachiteshi makuru ekumabvazuva nekuSouth Africa, kusanganisira Port of Dar es Salaam nePort of Durban, tichiona kuti odha yenyu inobatwa nemazinga epamusoro ekuchengetedza kutakura zvinhu pasi rose.
Kuchinjika kweCIF & FOB: Tinopa nzira dzekutumira dzeCIF (Mutengo, Inishuwarenzi, uye Kutakura) dzinokwikwidzana uye dzakavimbika uye FOB (Mahara Mubhodhi) dzakagadzirwa zvinoenderana nezvinodiwa zvako zvekutengesa.
Kupa Zvinhu Zvisina Kurongeka: Tinonyanya kutarisisa kuendesa makemikari akachena zvakanyanya kunzvimbo yekupinda nekukasika, tichipa magwaro ese anodiwa kuti titsigire nzira yekupa zvinhu zvakanaka kune vanotumira zvinhu munharaunda yenyu kuti vagone kutakura zvinhu zvavo kusvika kunzvimbo yenyu yemugodhi.
Kukunda Kushandiswa Kwakawanda kweCyanicides Nhasi
Zvicherwa zvemhangura zviri kuwedzera mitengo ye reagent here? Tinokoka Vatariri veMiti neVanoongorora Zvesimbi muZambia yese kuti vakumbire sampuro dzemahara dzeAuCyan™, AuCarb™, kana AuLeach™ dzekuti dziongororwe bottle-roll uye adsorption kinetic.
Kumbira Sampuli dzeLab dzeMahara Iye Zvino
Mibvunzo Inowanzo bvunzwa: Makemikoro Ekuchera Goridhe muZambia
1. AuCyan™ inobata sei nematombo egoridhe ane mhangura (akapfuma mugoridhe) anowanikwa muZambia?
Zvicherwa zvemhangura zvinoshanda se cyanicides, zvichikurumidza kunwisa cyanide goridhe risati ranyungudutswa. AuCyan™ (≥98.3% kuchena) inopa huwandu hwakawanda hwe CN⁻ ions dzakasununguka. Nekushandisa nzira dzakadai seammonia-cyanide leaching kana kungochengetedza huwandu hwakawanda hwe active free cyanide, AuCyan™ inoita kuti goridhe risanyungudutswe nekukanganiswa kwemhangura.
2. Kushandisa AuLeach™ kunogadzirisa sei kunonoka kwekufambisa zvinhu pamuganhu weNakonde?
Kutakura Sodium Cyanide (Class 6.1) kubva kuDar es Salaam kuenda kuZambia kunoda mvumo dzakasimba dzehashmat uye vaperekedzi, zvichikonzera kunonoka kwemavhiki pamiganhu yakaita seNakonde/Tunduma. AuLeach™ GDA haina njodzi uye haina kuiswa muzvikamu. Inobvumidza mitero yemutero semitoro yakajairika, ichideredza nguva yekufambisa uye ichideredza zvakanyanya mari yekutakura zvinhu.
3. AuLeach™ inotevedzera zvinodiwa neZambia Environmental Management Agency (ZEMA) here?
Zvechokwadi. AuLeach™ haina cyanide uye haina njodzi kune zvakatipoteredza. Inoderedza zvakanyanya chepfu munzvimbo dzekuchengetera tsvina (TSF), ichienderana zvakakwana nemirairo yakasimba yeZEMA yekudzivirira nharaunda uye inoita kuti kuongororwa kwekutevedzera mitemo yemugodhi wenyu kuve nyore.
4. Sei AuCarb™ coconut carbon iri nani pane carbon yemarasha yemuno yezvirimwa zveCIP zvekuZambia?
Maseketi eCIP ekuZambia anowanzo sanganisira maslurry akakora, ane simba guru rekukanda simbi pazvimedu zvekabhoni. Kabhoni inobva mumarara yakapfava uye inopwanyika nyore nyore, zvichikonzera kurasikirwa negoridhe. AuCarb™ (≥99% kuomarara) inogadzirwa nemagoko ekokonati ane simba guru, zvichiita kuti isakwanise kudonha muzvimedu zvinokanda simbi zvine simba guru.
5. AuLeach™ inoenderana here nemiti yegoridhe iripo mudunhu reSolwezi kana reRufuna?
Ehe, inotsiva donhwe. AuLeach™ GDA inoshandisa matangi akafanana e leaching, pH levels (10.5-11.5), uye Activated Carbon adsorption/elution circuits seSodium Cyanide . Hapana mari inoshandiswa kana kugadziriswa kwemiti kunodiwa.
6. Ndedzipi nzira dzinokurudzirwa dzekutumira makemikari kuZambian Copperbelt?
Nzira dzinoshanda zvakanyanya dzeCopperbelt (Ndola, Kitwe) neNorth-Western province (Solwezi) dzinopfuura nepaChiteshi cheDar es Salaam (Tanzania) dzichishandisa mugwagwa mukuru weTANZAM, kana kuti nepaChiteshi cheDurban (South Africa) dzichifamba dzichienda kuchamhembe dzichipfuura nepamuganhu weZimbabwe (muganhu weChirundu).
7. Mvura zhinji inonaya muZambia inokanganisa sei kuchengetwa kweAuCyan™?
Zambia ine mwaka wemvura yakawanda. AuCyan™ inorongedzwa mumadhiramu esimbi akavharwa zvakasimba, ane chitupa cheUN ane mabhegi ePVC akakora, asingapindi mvura mukati. Chero bedzi akachengetwa mudura rakavharwa, rakaoma, uye rinofefetera, haakanganisike zvachose nehunyoro hwemhepo nemvura yemwaka.
8. AuCarb™ inogona kubvisa goridhe zvinobudirira here muZadra electrowinning circuits?
Ehe. Nekuti AuCarb™ ine maitiro ekushanda anonyatsodzorwa, inochengetedza chimiro chakasimba chemukati mepore. Izvi zvinoibvumira kupinza goridhe nekukurumidza muchikamu cheCIL, asiwo kuiburitsa zvachose panguva yekudzikisa kumanikidzwa kwakanyanya (Zadra kana maitiro eAARL).
9. Vashandi vemigodhi vane hunyanzvi nevepakati muZambia vanochinja sei votanga kushandisa AuLeach™?
Pakukura kwemabasa eASM achitsvaga kusimudzira nekushandisa matangi ekuburitsa midziyo yekuchenesa kana mafekitori madiki eCIP, AuLeach™ ndiyo nzvimbo yakachengeteka yekupinda. Inobvisa njodzi dzinouraya dzinosanganisirwa nekubata cyanide pasina michina yepamusoro yekuchengetedza, zvichiita kuti kugadzirwa kwegoridhe kuve kwakachengeteka.
10. Nyanzvi dzesimbi dzekuZambia dzingawana sei makit ekuyedzwa murabhoritari?
Vashandi vemugodhi vekuZambia vanogona kutibata kuburikidza newebhusaiti yedu kuti vakumbire Kiti yeMuenzaniso weLab Yemahara . Ticharonga kuendeswa kweAuCyan™, AuCarb™, kana AuLeach™ zvakananga kuLab yenyu yesimbi muZambia kuti vaongorore bottle-roll kana column leach.
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