METHOD FOR COLLECTING HYDROGEN GAS PRODUCED FROM LEACHING DURING HYDROMETALLURGICAL PROCESS AND APPARATUS FOR RECYCLING OF COLLECTED HYDROGEN GAS

摘要

the present invention is a method for recovering hydrogen gas generated from the leaching step of the hydrometallurgical process and relates to a device for recycling the recovered hydrogen gas , by performing a plurality of leaching a superposed manner , to reduce the flow rate of the hydrogen gas is recovered and recycled to the stable hydrogen reduction process of the metal oxide . In addition, the present invention allows to reduce the production cost by reducing the amount of hydrogen gas consumed in the reduction of the metal oxide . ;