Replace the reverberatory furnace and gas producer etc. , there is no light fire producing when heating, and it accords with national fire protection safety rules.

Or make it have a reverberatory furnace of molten pool, installing electric heating body on top.

The Mo recovery process was tested from the smelting slag of Bi reverberatory furnace by water quench leaching, and the tested process was compared with the present soda leaching process.