Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching

Ho utloisisa Ts'ebetso ea Leaching ea Carbon: Ore to Gold Ingot Steps

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 1picture

E butse k'habone e eketsoa ka tankeng ea ho ntša metsi, e leng se nolofalletsang ho etsahala ka nako e le 'ngoe ha ho ntša metsi le ho monya metsi, e leng ho ntša metsi ha ho ntse ho monya metsi, e leng mokhoa oa ho ntša metsi ha ho ntse ho monya metsi, o bitsoang mokhoa oa carbon-in-leach (CIL). E ntlafalitsoe ho latela mokhoa oa carbon-in-pulp, e fana ka melemo ea ho fokotsa palo ea litanka tsa ho ntša metsi le ho khutsufatsa phallo ea ts'ebetso. Ka lebaka leo, e ka fokotsa matsete a kaho ea motse-moholo le litšenyehelo tsa tlhahiso. Ho ntša metsi le ho monya metsi ka nako e le 'ngoe ho ntlafatsa maemo a kinetic a ho qhibiliha ha khauta, faCILho etsa hore kgauta e tsube le ho kgephoha. Mokhoa oa carbon-in-leach haholo-holo o akaretsa ts'ebetso e kang ea Tokisetso ea Leaching Raw Materials, Leaching e matlafalitsoeng le khabone e khahlano le khabone, ho senyeha ha carbon e tletseng khauta, Electrowinning le Electrolysis, ho qhibilihisa le ho etsa li-ingot, le ho tsosolosoa ha carbon.

01 Tokisetso ea Leaching Raw Materials

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 2picture


Ha ts'ebetso ea ho ntšoa ha khauta ea carbon-in-leach e amoheloa, ho lokisoa ha lisebelisoa tse tala ho kenyelletsa ho sithabela le ho hlopha ha 'mele. Ka tloaelo, ts'ebetsong ea ho ntšoa ha khauta ea carbon-in-leach, bokhabane ba ho phalla ho tloha ho lihlopha tsa ho sila hangata ho joalo hoo 85 - 95% e fetang -200 mesh.

02 Ts'ebetso ea ho Tlosa Lithōle

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 3picture


Li-chip tsa patsi le lintho tse omeletseng ka har'a pulp li ka baka litšitiso liphaepheng le li-screen. Ho feta moo, li atisa ho monya khauta ka har'a pulp ebe li e kopanya le khabone e ngata. Ka hona, li tlameha ho tlosoa pele li qhibilihisoa. Haeba ho hlokahala, ho teteana ha pulp le ho eketsoa ha lithibela-matla lia hlokahala. Thibela-matla e ka boela ea fokotsa ho qhibilihisoa holim'a E entsoe ka Carbon le skrine. Ka kakaretso, mesebetsi e 'meli ea ho tlosa lithōle e behiloe ts'ebetsong ea ho sila, ka ho latellana ha ho tlola ha sehlopha sa pele le sa bobeli sa ho sila. Lisebelisoa tsa ho tlosa lithōle hangata li sebelisa li-skrini tse thothomelang tse mahareng. Ts'ebetsong ea pele ea ho tlosa lithōle, li-skrini tse potolohang le li-skrini tse silindara le tsona li ka sebelisoa. Boholo ba lesoba la skrine la skrine ea ho tlosa lithōle bo lokela ho ba bo bonyenyane kamoo ho ka khonehang ha ho ntse ho netefatsoa hore ha ho na ho tlola holim'a skrine.

03 Ts'ebetso ea ho Thickening Pele ho Leaching

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 4picture


Ha bongata ba likhakanyo tsa ho sila li le 18 - 22%, ha lia lokela bakeng sa leaching e tobileng, 'me ho teteaneng ha makhasi ho tlameha ho etsoa. Ho eletsoa ho sebelisa setenya se matla se phahameng se nang le sebaka se senyenyane sa maoto le bokhoni bo phahameng ba ho tenya.

04 Stirred Leaching le Countercurrent Carbon Adsorption

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 5picture


Mokhoa oa carbon-in-leach o khetholloa ke tsoelo-pele e tšoanang ea ho tsoa ha khauta le ts'ebetso ea adsorption. Palo ea mekhahlelo ea leaching ka kakaretso ke 6 - 10 (litlhaloso le bongata ba litanka tsa leaching li khethoa ho latela bokhoni ba ho sebetsa ba concentrator). Ho tloha Sodium cyanide e sa tsoa eketsoa ho Tank No.1. bokaalo ba kgauta e kolobisitsoeng bo nyane. Kahoo, boholo ba limela tsa carbon-in-leach li sebelisa Tank No.1 e le tanka ea pele ho leaching, 'me litanka tse latelang e le litanka tsa leaching le adsorption. Tanka e 'ngoe le e' ngoe ea leaching le adsorption e na le skrine e arolang ea carbon ho arola carbon le makhasi. Litholoana li phalla ho ea pele, 'me khabone e kentsoeng e phalla morao, ke hore, pulp le khabone e kentsoeng li ka har'a adsorption e fapaneng. Khabone e ncha e kentsoeng e eketsoa ho tsoa tankeng ea ho qetela ea leaching le adsorption, 'me khabone e kentsoeng ea khauta e ntšoa ka tankeng ea pele ea leaching le adsorption. Khabone e kentsoeng e fetoha khauta - khabone e laitsoeng ka ho kenya khauta ka har'a makhasi. Ka mor'a hore adsorption e phethoe, makhasi a nang le khauta - carbon e tletseng carbon e fepeloa skrineng ea ho ntša carbon ka phahamiso ea moea. Sesene sa ho ntša carbon se arola khabone e kentsoeng le makhasi. Kamora ho hlahlojoa le ho hlatsoa, ​​​​e romelloa ts'ebetsong ea desorption le electrowinning. Kamora ho ts'oaroa ka mokhoa ona, boemo ba khauta ba tharollo ea pulp hangata ke 0.01 - 0.03g/m³. Ka kakaretso, khabone e sebelisoang hangata ke kokonate - khetla e kentsoeng ka khabone, e nang le likheo tse nyane, ts'ebetso e phahameng, ho hanyetsa le ho nchafatsoa. E na le ts'ebetso e ntle ea adsorption le abrasion - matla a ho hanyetsa, e ka eketsa sekhahla sa adsorption ka 30%, ea ntlafatsa haholo sekhahla sa ho khutlisa khauta litšepeng tse amanang, 'me ea ntlafatsa haholo melemo ea moruo le katleho ea tlhahiso.

05 Desorption ea Khauta - Carbon e laetseng, Electrowinning le Electrolysis

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 6picture


Khabone e tlatsitsoeng ka khauta le makhasi a phahamisetsoa skrineng se arolang k'habone (hangata ke skrine se thothomelang) ka pompo e ntšang k'habone kapa phahamiso ea moea. Li hlatsuoa ka metsi a hloekileng skrineng ho arola khabone le makhasi. Khabone ea khauta e kenang ka har'a tanka ea polokelo ea khabone, 'me makhasi le metsi a hlatsuoang a kena ka tanka ea pele ea sethala. Ho na le mekhoa e 'maloa ea ho senya khauta - khabone e kentsoeng. Hona joale, mokhoa o tloaelehileng oa ho fokotsa mocheso le khatello e phahameng ea khatello ea kelello o sebelisoa. Ke hore, anion e khabisoang habonolo ke khabone e kentsoeng e eketsoa tsamaisong ea desorption ho tlosa Au(CN)₂⁻ le ho fihlela ho senyeha ha khauta. Mokelikeli oa bohlokoa o fumanoeng ka ho senya khabone ea khauta - e kentsoeng e khutlisoa ka ionization ho fumana khauta e tiileng.

Ho ntšoa ha Khauta: Mehato ho tloha Ore ho ea Ingot ka Carbon Leaching Carbon-in-Leach Method CIL Tokisetso ea Raw Materials Stirred Desorption Gold-loaded Electrowinning and Electrolysis Recovery Rate No. 7picture


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