High-purity siliceous material using copper smelting slag as raw material and method for producing the same

摘要

PROBLEM TO BE SOLVED: To provide a method of reusing slag generated by in a copper smelting process.SOLUTION: Copper smelting slag is treated with aqueous solution comprising hydrochloric acid or nitric acid to generate hydrogel and dry it, to produce adsorbent comprising high-purity silicic acid. Furthermore, burning of the adsorbent provides conductive adsorbent and acid leaching provides adsorbent with a high surface area.