### Procedure for Determination of Ball Bond Work Index in the ...

Procedure for determination of ball Bond work index in the commercial operations R. Ahmadi *, Sh. Shahsavari Iran Mineral Processing Research Center (IMPRC), Karaj, Tehran, Islamic Republic of Iran a r t i c l e i n f o a b s t r a c t The Bond ball mill grindability test is run in a laboratory until a circulating load of 250% is developed.