... usable fuels of this plant include diesel, heavy oil and residual oil. 6.5 Kg diesel shall be cost to ... .3;Bitumen is ±0.1 and the tolerance of oil sand ratio is less than ±0.3.4. Dust ... proportioning system, drying system, hot elevator system, screening, storage, measuring system, mixing system, hot oil conducting system, bitumen supplying system, fine supplying system, dust collecting system and ...