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7/21/2019 Gold recovery using cyanide free technology
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Gold Processing Plant Using
Cyanide-Free TechnologyDaut – Maranan – Martizano – Mistio
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Outline
• Introduction
• Objectives
• Significance• Scope and Limitation
• Process Flow
• References
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INTRO!"TION
7/21/2019 Gold recovery using cyanide free technology
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Raw #aterial
• epit$ermal copper
%&gold'
• porp$(r( copper %&gold'
• grades ranging from )*+
to ),+ g-t .u
Source/ 0ictoria 1old eposit2 Lepanto
"onsolidated #ining "ompan(
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3enguet
•4526672585 metric tons of primar( gold ore
•49,7288)2:+8 metric tons of primar( copper ore
•+ large mining companies ; 3enguet "orporation
; P$ile< #ining
; Lepanto #ining corporation
• .ccount to ,9= of province>s e<port revenue
Source/ P$ilippine Statistics .ut$orit( %6?)6'
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#ar@et 0alue
Source/ 3enguet "orporation
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Source/ 3enguet "orporation
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Target Product
• 3rig$t (ellow
• Relativel( soft
metalA malleable• In form of c$ips for
easier transport
• "$emicall( inactive
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"urrent Production Process
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T$oug$ c(anidation $as $ig$ (ields2 t$epresence of c(anide in t$e tailings needs to
be treated due to its to<icit( to $umans and
t$e environment*
7/21/2019 Gold recovery using cyanide free technology
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Presence of to<ic substances in t$e current
process is an aspect t$at needs
improvement*
T$e proposed process will onl( includep$(sical processing suc$ as grinding2
gravit( concentrating and t$ic@ening of gold*
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Objectives
• To develop an ecoBfriendl( met$od for gold
e<traction*
• To produce t$e target product*
• To utiliCe t$e proposed process*
• To produce side products b( t$e sameprocess %if an('*
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Process Flow