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Analysis on the Causes to Affect Sulfuric Acid Color and Its Treatment

Pei Mingjie (North Copper Industry Houma smeltering Factory, Houma, Shanxi 043000)  
As sulfuric acid, prepared from blowing furnace flue gas in the copper sulfide ore smelting, is easy to get reddish, blackish and greenish, reasons are found through analysis and detection, flame color reaction and hanging experiment in combination with the production process. Corresponding control measures are taken: reasonable feed distribution in the smelting system, strict and standard process operation, detailed management and timely cleanup of sediments, thus good results are obtained.
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