Bi>98%, Ag<0.5%, Cu<0.5%
②Economic and technical indicators
a product: precious bismuth alloy (Ag~5%); crude bismuth alloy (Ag<3g/t)
b Capacity: 5~25 tons/day
c Energy consumption: 400~550kw h/t raw material
d The advantage of the equipment is that the process of adding zinc to remove silver is eliminated, and no silver slag is produced.