Analisis Persentase Fraksi Massa Lolos Ayakan Batu Granit Hasil Peremukan Jaw Crusher dan Double Roll Crusher
Granite is one type of acid rock widely used in the construction sector. Granite mining results
are sometimes still large, to reduce the size of granite is need comminution process. Comminution
is one of the stages in the processing of minerals that aims to minimize the size of minerals. This
study purpose to analysis percentage of mass fraction passing sieve from granite that has been
crushed through a jaw crusher and double roll crusher followed by fraction analysis using sizing
process. The result of analysis showed that the percentage of mass fraction passing sieve from
granite sieve resulted from crushing and sizing of jaw crusher was 15.8 mm = 93,7%, 12,7 mm =
67,2%, 7,9 mm = 34% 4.75 mm = 23.9% and 1.18 mm = 9.7%. In the analysis of percentage mass
fraction escaped sieve granite result from crushing and sizing from tool double roll crusher is size
6,3 mm = 97,8%, 2,36 mm = 49,9%, 1,18 mm = 29,2 %, 0.425 mm = 13.6% and 60 mesh = 8.8%.
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