Alkyl xanthogen formate mixture as flotation agent

Details Alkyl xanthogen formate mixture as flotation agent Alkyl xanthogen formate mixture as flotation agent

1981-06-04

1984-06-12

Jiles, Henry R.

Compositions

Physical separation agents

Froth-flotation or differential adherence

266168, 260455B, B03D 102, C22B 300, C07C15402

Patent

active

044540515

ABSTRACT:
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.

REFERENCES:
Reid, Organic Chemistry of Bivalent Sulfur, Chem. Publishing Co., Inc., 1962, New York, p. 149.

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