flash roast

flash roast

[′flash ‚rōst]
(mining engineering)
Rapid removal of sulfur from ore by having finely divided sulfide mineral fall through a heated oxidizing atmosphere. Also known as suspension roast.
References in periodicals archive ?
An infra-red oven used to flash roast honey-glazed hams at Trophy Foods of Smethwick has resulted in annual cost savings in excess of [pounds] 200,000.