Answer to Question #139086 in Chemical Engineering for Anvesh

Question #139086
A ore with a work index of 12.5 kWhr/t is ground in a lab ball mill for 10 minutes using a
20,125 gram charge of half-inch stainless steel balls. The 80 % passing size of the ore was
initially 4 mm while the 80 % passing size after grinding was 93 microns. A second sample of
a similar ore was subjected to the identical procedure. The sample had an 80 % passing size of
3 mm and the product showed an 80 % passing size of 107 microns. What is the work index
of this second ore sample?
1
Expert's answer
2020-10-19T08:15:17-0400
Dear Anvesh, your question requires a lot of work, which neither of our experts is ready to perform for free. We advise you to convert it to a fully qualified order and we will try to help you. Please click the link below to proceed: Submit order

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