Valuable metal

There was a corresponding text as follows～2Reviews～

• 2.02.05 Technology Development Survey for the collection technology of valuable metals in sludge 2003（Ｈ15）～2005(H17）
Search for keyword:Metal-surface treatment, Nonferrous metal, Refinement works, Valuable metal

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• 3.01.38 Research into the technology of collecting valuables contained in produced water (2020)
Search for keyword:electrodialysis, Produced Water treatment technique, Valuable metal

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