Coal beneficiation: theory and practice
WEBJan 1, 2023 · The Coal washery Complex generally starts from receipt of ROM coal (size <200 mm) through Bottom Open Bottom Discharge (BOBR) wagons at track hopper or truck to truck dump hopper at the washery. ROM coal is crushed from (−) 200 mm size to (−) 50 mm for noncoking coal and (−) 13 mm for coking coal washery and carry out .