| 摘要 |
The present invention provides a method for refining a brass scrap and leadless manufactured thereby, wherein the method comprises the following steps of: (a) preparing a brass material in a molten state by putting a brass scrap into a melting furnace; (b) injecting chlorine gas into the inside of the brass material in a molten state; (c) injecting one or more types of gas selected in nitrogen gas or argon gas into the inside of the brass material in a molten state after injecting the chlorine gas in the (b) step; (d) spraying one or more types of borax and cryolite to slag floating on a surface of the brass material in a molten state after injecting gas in the (c) step; and (e) removing a slag mixture formed in the (d) step. |
