
Dhinaca macdanta, gaar ahaan hababka soo saarista dahabka halkaasoo cyanidation ay tahay hab caadi ah, fahamka xiriirka ka dhexeeya Darajada macdanta iyo Sodium cyanide isticmaalka waa muhiim. Sodium cyanide waxa uu door muhiim ah ka ciyaaraa kala dirida dahabka macdanta macdanta, laakiin cadadka loo baahan yahay si weyn ayay u kala duwanaan kartaa iyadoo ku xidhan darajada macdanta la warshadeeyay.
Fahamka Fasalka Macdanta
Heerarka macdanta waxaa loola jeedaa isku-ururinta macdanta qiimaha leh, sida dahabka, gudaha macdanta. Macdanta darajada sare waxay ka kooban tahay xaddi aad u badan oo macdan ah oo la rabo, halka macdanta darajada hoose ay leeyihiin xooga hoose oo aad u hooseeya. Tusaale ahaan, macdanta dahabka ah ee darajada sare waxay ku jiri kartaa dhowr garaam oo dahab ah tan macdan ah, halka macdanta darajada hoose ay yeelan karto wax ka yar hal garaam halkii tan.
Habka Cyanidation-ka
The Habka Cyanidation isticmaalka sodium cyanide xalalka si looga falceliyo dahabka macdanta. Marka ay jirto ogsijiin, ions cyanide ee ku jira Sodium cyanide xalku waxay ku daraan dahab si ay u sameeyaan kakan milmay. Falcelintan kiimikaad ayaa u oggolaanaysa dahabka in laga sooco matrixka macdanta, taas oo sahlaysa in la soo saaro. Habka ayaa si weyn loo isticmaalaa sababtoo ah waxay waxtar u leedahay soo saarista dahabka noocyada kala duwan ee macdanta.
Saamaynta Fasalka Macdanta ee Isticmaalka Sodium Cyanide
Sare - Heerarka darajada
Isticmaalka Qaraabada Hoose: Markaad la tacaalayso macdan heersare ah, cadadka sodium cyanide ee looga baahan yahay halbeeg kasta oo macdan qiimo leh (tusaale, garaamkii dahabka ah) ayaa badanaa ka hooseeya. Tani waa sababta oo ah waxaa jira fiirsashada sare ee macdanta la beegsanayo ee mugga yar ee macdanta. Tusaale ahaan, haddii macdanta dahabka ah ee heerka sare ah ay ka kooban tahay 10 garaam oo dahab ah halkii ton, waxayna u baahan tahay 2 kg oo sodium cyanide ah tan oo macdanta ah si loo gaaro heer wax-soo-saar hufan, Isticmaalka sodium cyanide Halkii garaam oo dahab ah waa 0.2 kg. Qadarka yar ee gangue (macdanta aan qiimaha lahayn ee macdanta) ee macdanta darajada sare waxay ka dhigan tahay in ay jiraan falcelino dhinac ah oo yar oo cuni kara cyanide.
Kinetics Falcelinta Degdega ahMacdanta darajada sare waxay u janjeertaa inay si degdeg ah uga falceliso xalka cyanide. Isku-dhafka sare ee macdanta bartilmaameedka ah ayaa bixiya goobo badan oo loogu talagalay cyanide - falcelinta dahabiga ah si ay u dhacdo. Natiijo ahaan, habka soo saarista waxaa lagu dhameyn karaa waqti gaaban, taas oo sidoo kale gacan ka geysan karta hoos u dhigista isticmaalka guud ee cyanide. Tani waa sababta oo ah muddada dheer ee xalka cyanide uu la xiriiro macdanta, waxay u badan tahay in ay u badan tahay in lagu isticmaalo falcelinta dhinaca sida hydrolysis ama falcelinta wasakhaha kale ee macdanta.
Hoose - Heerarka darajada
Isticmaalka Qaraabada SareMacdanta heerka hoose ah waxay guud ahaan u baahan tahay xaddi sare oo sodiyam cyanide ah unug kasta oo macdan qiimo leh. Tixgeli macdano dahab ah oo hooseeya oo ka kooban 0.5 garaam oo dahab ah tankiiba. Si loo gaaro heerka soo saarista macquulka ah, waxay u baahan kartaa 1.5 kg oo sodium cyanide ah tan oo macdan ah. Xaaladdan oo kale, isticmaalka sodium cyanide halkii garaam oo dahab ah waa 3 kg, taas oo aad uga sareysa tusaale ahaan heerka sare ee macdanta. Sababta tani waa iyada oo ay jirto mugga weyn ee macdanta gangue ee macdanta darajada hoose. Macdanta gangue-gani waxay la falcelin karaan cyanide, ha ahaato iyaga oo samaynaya dhismo ama iyaga oo isticmaalaya oksijiinta xalka, labaduba waxay kordhiyaan baahida cyanide.
Heerarka falcelinta qunyar socodka ahHabka soo saarista macdanta darajada hoose ayaa badanaa ah mid gaabis ah. Isku-duubnaanta hoose ee macdanta la beegsanayo waxay ka dhigan tahay in ions cyanide ay tahay inay raadiyaan mugga weyn ee macdanta si ay u helaan ugana falceliyaan dahabka. Waqtigan dheer ee falcelinta waxay keeni kartaa korodhka isticmaalka cyanide sababtoo ah falcelinta dhinaca. Intaa waxaa dheer, xaaladaha qaarkood, si loo magdhabo heerka falcelinta gaabiska ah, uruurinta cyanide sare ayaa laga yaabaa in loo isticmaalo xalka, taasoo sii kordhinaysa isticmaalka guud.
Waxyaalaha kale ee saameeya xidhiidhka
Macdanta macdanta: Joogitaanka macdanta kale ee macdanta waxay si weyn u saameyn kartaa isticmaalka cyanide iyada oo aan loo eegin heerka macdanta. Macdanta sida naxaasta, zinc, arsenic, iyo antimony waxay la falcelin karaan cyanide, samaynta dhismayaal xasilan oo sidaas awgeed cunaya cyanide-ka haddii kale diyaar u ah soo saarista dahabka. Tusaale ahaan, macdanta naxaasta ah waxay la falgali karaan cyanide si ay u sameeyaan naxaas - dhismooyinka cyanide, iyo haddii macdanta ay ka kooban tahay qadar aad u badan oo naxaas ah, isticmaalka cyanide ayaa si aad ah u kordheysa, xitaa kuwa dahabka ah ee darajada sare leh.
Baaxadda Walxaha iyo Meesha Dusha sare: Baaxadda qaybaha macdanta iyo bedkooda oogada ayaa iyaguna door ka ciyaara. Macdanta dhulka dhuuban waxay leeyihiin dhul ballaaran, kaas oo kor u qaadi kara xiriirka ka dhexeeya xalka cyanide iyo qaybaha dahabka. Si kastaba ha noqotee, haddii macdantu ay dhaafto - dhulka, waxay sidoo kale kordhin kartaa qadarka macdanta gangue ee la soo bandhigay oo la heli karo si looga falceliyo cyanide. Qodobkani wuxuu si kala duwan u saameyn karaa isticmaalka cyanide-ka ee macdano heer sare ah iyo mid hooseeya, laakiin guud ahaan, xakamaynta saxda ah ee cabbirka walxaha ayaa lagama maarmaan u ah kor u qaadista isticmaalka cyanide.
Ugu Dambeyn
Marka la soo koobo, heerka macdanta ayaa saameyn weyn ku leh qadarka sodium cyanide ee looga baahan yahay habka cyanidation-ka. Macdanta heerka sare sida caadiga ah waxay u baahan yihiin in ka yar sodiyam cyanide halkii cutub ee macdanta qiimaha leh waxayna leeyihiin falcelinta falcelinta degdega ah, halka macdanta darajada hoose ay u baahan tahay xaddi sare oo cyanide ah oo inta badan leh heerar falcelin ah oo gaabis ah. Si kastaba ha ahaatee, arrimo kale sida macdanta macdanta iyo xajmiga qaybta ayaa sidoo kale u baahan in si taxadar leh loo tixgeliyo marka la go'aaminayo qiyaasta sodium cyanide ee ugu fiican ee hawlaha macdanta. Fahamka cilaaqaadyadan, macdan qodayaashu waxay si hufan oo qiimo leh u soo saari karaan - si wax ku ool ah u soo saaraan macdanta qiimaha leh iyada oo la yareynayo saameynta deegaanka ee la xiriirta isticmaalka sodium cyanide.
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