A30.75kg of coal contains 24% phosphorus, 28% pyrites,0.01% nitrogen, 8% oxygen and moisture as basic impurities. it is desired that this coal will be used in the metallurgical industry, production of electricity through combustion and synthesis of ammonium compounds for fertilizer production.
(a) explain the analytical method used in estimating the percentage amount of impurities?
(b) is this coal sample suitable for the purposes stated above?
(c)explain the coal cleaning scheme unit operations.