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Industrial process for the manufacture of alkyl xanthogen formates
Industrial process for the manufacture of alkyl xanthogen formates
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机译:烷基黄原酸甲酸酯的工业生产方法
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摘要
A batch process including a circulating reactor and an agitated reactor for the production of dialkyl xanthogen formates, including means to increase yields of products, inhibiting chloroformate hydrolysis, suppress production of xanthic anhydride as a byproduct, and generally control product/byproduct yields based on intended use. Certain product mixtures are particularly useful as flotation reagents, specifically collectors in the flotation of molybdenum-bearing copper ores, where molybdenum recovery has been increased by more than 10% without adverse effects on copper recovery.
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