TOWN MINING CO., LTD
TOWN MINING CO., LTD Patent applications | ||
Patent application number | Title | Published |
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20130264217 | RECOVERY METHOD OF TIN AND NICKEL FROM SCRAPS OF STEEL BALL FOR BARREL PLATING - The present invention relates to a method of recovering tin and nickel compounds with high purity at a high yield from scrap steel balls for barrel plating through simple processes without using an excess amount of a solvent, the method using an eco-friendly dry pretreatment and subsequent processes including hydrogen reduction and electrolytic refining under certain conditions. | 10-10-2013 |