Rd = reduction ratio (x 1 /x 2) and wi = work index. In this work Q = .356 t/hr and x 1 = 7.5mm. A roll gap of 5mm had already been specified and x 2 ...The Ranger RP-20FC oil-filter crusher applies 10 tons of air-operated pressure to just about any used oil filter or can. Reduce filters to 20% – 25% of their original size and remove 95% of the oil. An integrated collection chamber
