Removing iron impurities from glass-making sand

B - Operations – Transporting – 03 – D

Patent

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B03D 1/02 (2006.01) B03D 1/012 (2006.01) C03C 1/02 (2006.01)

Patent

CA 1154179

Abstract of the Disclosure A method for removing iron impurities from glass-making sand employing alkanethiol as a collecting agent in a froth flotation process. In embodiments of the invention the alkanethiol is used in conjunction with frothing agent and is selected from compounds represented by the formula CnH2n+lSH wherein n is an integer in the range from 5 to 17.

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