BUAT_BRAY
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4.3 Data Hasil Pengamatan1. Berat total feed danberat total konsentratTabel 4.1Berat Feed dan Kadar Mineral (SiO2, SnO2)MineralW Total Feed (gr)Feed (F)W Total Konsentrat (gr)
Berat (gr)Kadar (%)
SiO250022545243
SnO227555
Sumber : Data Praktikum PBG, 20152. Jumlah Butir SnO2 dan SiO2 dalam papan grain counting.Tabel 4.2Jumlah Butir SnO2 dan SiO2 dalam papan grain countingNo. KotakButir SiO2Butir SnO2No. KotakButir SiO2Butir SnO2
121226533
25112711837
373228828
4215229829
5152930622
6319311130
762432536
883533733
994234428
1092135723
1181936320
121220371227
13115138741
14839391635
1572840520
16123341726
171433421325
18838431548
19628441131
2072345327
21112946729
22528471328
231538481330
24623491143
2582850618
Jumlah4581490
Sumber : Data Praktikum PBG, 20154.4 Pengolahan Data1. Menghitung kadar konsentrat SnO2.
= 89,57%2. Menghitung Berat TailingT= F - C= 500 gr 243 gr= 257 gr3. Menghitung Metallurgical balanceF . f= C . c + T . t500 . 0,46= 119 . 0.9448 + 281 . t
T SiO2 = 100 2,85 %= 97,5 %4. Recovery (R)
5. Ratio Of concentration (K)
4.5 Hasil Pengolahan DataTabel 4.3Hasil Pengolahan DataMineralW Total Feed (gr)Feed (F)W Total Konsentrat (gr)KonsentratW Total Tailing (gr)Tailing
Berat (gr)Kadar (%)Berat (gr)Kadar (%)Berat (gr)Kadar (%)
SnO25002254524321,6589,572577,322,85
SiO22755525,3510,43249,6897,15