
In ka Warshadaha macdanta dahabka, ka Habka Cyanidation wuxuu door muhiim ah ka ciyaaraa soo saarista dahabka macdanta. 30 t/d oo cabir yar oo kaarboon-in-pulp ah (CIP) ah oo ah miinada dahabka gaar ah, isbedel weyn ayaa la sameeyay oo ku saabsan goobta dheeriga ah Sodium cyanide, kaas oo isbeddel muuqda ku keenay hawl-soo-saarka.
Hordhac
Habka asalka ah ee warshadda macdanta dahabka ee CIP waxay ku lug lahayd ku-darka Sodium cyanide hal mar taangiga kicinta. Si kastaba ha ahaatee, dadaalka lagu hagaajinayo Dahab soo saarid habka, hagaajinta tilmaamayaasha habka, iyo kor u qaadida hufnaanta dhaqaalaha, waxaa la gaaray go'aan lagu hagaajinayo goobta lagu daro sodium cyanide. Habka cusub waa in lagu daro sodium cyanide ka dib laba marxaladood oo shiidi.
Faahfaahinta Habraaca Habraaca
Hawlgalka shiididda laba-heer ah ee farsamaynta macdanta dahabka ah waa tallaabo muhiim ah oo lagu xoraynayo qaybo dahab ah oo ka mid ah matrixka macdanta. Marka lagu daro sodium cyanide isla markiiba ka dib labadan marxaladood ee wax shiida, waxa la filayaa in ions cyanide ay si waxtar leh ula soo xiriiri karaan sagxadaha dahabka ah ee cusub. Tani waa sababta oo ah geeddi-socodka shiidadu wuxuu soo bandhigayaa qaybo badan oo dahab ah, iyo ku-darka wakhtiga ku-meel-gaadhka ah ee sodium cyanide wuxuu u oggolaanayaa falcelin degdeg ah oo hufan. Habka asalka ah ee lagu daro sodium cyanide ee taangiga kicinta, waxaa jiray wakhti go'an ka hor inta aan cyanideku la falgalin qaybaha dahabka, iyo qaar ka mid ah dahabka ayaa laga yaabaa in la heli karo sababtoo ah joogitaanka macdanta kale ama agglomeration ee qaybaha.
Qiimaynta Tilmaamayaasha Habraaca
Heerka Soo kabashada Dahabka
Ka dib markii la hagaajiyay goobta lagu daro sodium cyanide, horumar weyn oo ku saabsan heerka soo kabashada dahabka ayaa la arkay. Xidhiidhka tooska ah ee u dhexeeya qaybaha cyanide iyo dahabka ayaa horseeday kala diris dhammaystiran oo dahab ah. Nidaamkii hore, heerka soo kabashada dahabka ayaa isbeddelay ilaa [X]%. Si kastaba ha ahaatee, habka cusub ee lagu daray, heerka soo kabashada ayaa si joogto ah kor loogu qaaday ilaa [X + Y]%, taas oo muujinaysa soo saarista dahabka ee macdanta.
Daahirnimada Alaabta Dahabka
Marka lagu daro heerka soo kabashada, nadiifinta alaabta dahabka ah ayaa sidoo kale muujisay isbeddel wanaagsan. Habka la wanaajiyey ayaa hoos u dhigay isku-dhafka qaar ka mid ah wasakhda, maadaama ku daridda hore ee sodium cyanide ay awood u siisay fal-celin badan oo xulasho leh oo dahab ah. Nadiifnimada badeecadda dahabiga ah ee kama dambaysta ah waxay ka korodhay [boqolkiiba daahirnimada asalka ah] ilaa [boqolkiiba daahirnimo], taas oo muhiimad weyn u leh hagaajinta tayada badeecada dahabka iyo qiimaheeda suuqa.
Falanqaynta Kharashka Wax-soo-saarka
Isticmaalka Sodium Cyanide
Mid ka mid ah welwelka ugu weyn ee habka cyanidation waa isticmaalka sodium cyanide. Waxaa la yaab leh, ka dib marka la hagaajiyo goobta lagu daro, isticmaalka sodium cyanide ayaa hoos u dhacay. Habka asalka ah, sababtoo ah xiriirka waxtarka yar ee walxaha dahabka ah, qadar aad u badan oo sodium cyanide ah ayaa loo baahan yahay si loo hubiyo falcelin ku filan. Si kastaba ha ahaatee, habka cusub, ku darida badan ee la beegsaday ee sodium cyanide waxay keentay ka faa'iidaysi waxtar leh. Isticmaalka sodium cyanide halkii ton oo macdanta ah ayaa hoos uga dhacday [qiimihii isticmaalka asalka ahaa] ilaa [lacagta cusub ee isticmaalka], taas oo keentay kayd qiimo badan.
Isticmaalka Tamarta
Inkasta oo goobta dheeraadka ah ee sodium cyanide ay is beddeshay, isticmaalka guud ee tamarta ee habka ma kordhin. Dhab ahaantii, ilaa xad, isticmaalka tamarta ee la xidhiidha kicinta marxaladda dambe ee habka wax yar ayaa hoos u dhacay. Tani waa sababta oo ah falcelinta waxtarka leh ee marxaladdii hore waxay hoos u dhigtay baahida loo qabo kicinta xad-dhaafka ah ee taangiga kicinta si kor loogu qaado falcelinta u dhaxaysa cyanide iyo dahabka.
Faa'iidooyinka Dhaqaale
Kaydinta Kharashka
Yaraynta isticmaalka sodium cyanide waxay si toos ah u keentay kaydinta kharashka. Iyadoo la tixgelinayo wax-soo-saarka baaxadda leh ee macdanta dahabka, xitaa hoos u dhigista isticmaalka sodium cyanide halkii tan oo macdanta ah waxay ku ururin kartaa qadar la taaban karo waqti ka dib. Intaa waxaa dheer, hoos u dhaca isticmaalka tamarta ayaa sidoo kale ka qayb qaatay kaydinta kharashka. Guud ahaan, kaydinta kharashka bishiiba waxay gaadhay [caddad gaar ah], taas oo ah horumar la taaban karo oo ku yimid qaab dhismeedka qiimaha macdanta dahabka.
Dakhli Kordhin
Heerka sare ee soo kabashada dahabka iyo nadiifinta wax soo saarka dahabka ayaa keenay dakhli kordhay. Iyada oo heerka soo kabashada sare, dahab badan ayaa laga soo saaray qadar isku mid ah oo macdanta ah. Nadiifinta la hagaajiyayna waxay ka dhigan tahay in alaabta dahabka ah lagu iibin karo qiimo ka wanaagsan suuqa. Saamaynta is biirsaday ee labadan arrimood ayaa horseeday koror laxaad leh oo ku yimid dakhliga bilaha ah ee macdanta dahabka, oo gaadhay [caddad gaar ah].
Ugu Dambeyn
Hagaajinta goobta dheeriga ah ee sodium cyanide ee geeddi-socodka cyanidation-ka dahabka ee 30 t/d-yar ee warshadda CIP waxay muujisay saameyn togan oo cajiib ah. Marka laga eego dhinaca tilmaamayaasha habka, labadaba heerka soo kabashada dahabka iyo nadiifinta alaabta dahabka ayaa la hagaajiyay. Marka la eego kharashka wax-soo-saarka, isticmaalka sodium cyanide ayaa hoos u dhacay, waxaana yaraaday isticmaalka tamarta. Isbeddelladani waxay ugu dambeyntii u tarjumeen faa'iidooyin dhaqaale oo muhiim ah, labadaba kharashka kaydinta iyo dakhliga kordhay. Dhaqankani wuxuu bixiyaa waayo-aragnimo qiimo leh oo loogu talagalay macdanta kale ee dahabka ah iyada oo la tixgelinayo habka wanaajinta habka cyanidation, waxayna muujinaysaa in hagaajin sahlan oo si fiican loo fekeray ee goobta dheeraadka ah ee reagents muhiimka ah ay yeelan karto saameyn togan oo fog oo ku saabsan guud ahaan wax soo saarka iyo waxqabadka dhaqaalaha ee macdanta dahabka.
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