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GOLDMINING
PROCESS Achmad Rosid A. (135061107111013)Gilang Ramadhan
(125061107111013)Mila Baarik I. (14506110111100 )
M!hammad "ah#! (13506110011102$)
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PRETREATMENT
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ComminutionPemecahan
M%r%d!ksi !k!ran &%&a'!an #ang m%ngand!ng &i ih
%mas.
1 . 2 .
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Crushing
%r%m!kan or% ( &i ih ) %mas *rim%r dari hasil
*%nam&angan m%lal!i *%rlak!an m%kanis+ dari !k!ran&a'!an
'am&ang ,40 cm m%n adi ,12+5 mm.
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MILLING%ngg%r!san lan !'an dari crushing hingga m%nca*ai
!k!ran sl!rr# dari hasil milling #ang dihara*kan
#ai'!&%rk!rang minimal $0- dari !k!ran a al.
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Diagram Alir Operasi Kominusi
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Mesin Kominusi Dan Gaya Serta Distribusi Ukuran YangDihasi
kannya
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Panning S ui!e "o#
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Shaking $ab e
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Liquation Separation
M%r!*akan *ros%s *%misahan #ang dilak!kand%ngan cara
m%manaskan min%ral di a'as 'i'ik l%l%h logam+s%hinggacairan
logam akan '%r*isahkan dari *%ngo'or.
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!lotation Separation
• %knik o'asi adalah s!a'! '%knik*%misahan #ang
&%rdasarkan*%r&%daan &%ra' %nis dari masingmasing
kand!ngan &a'!an
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THANK YOU
