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blast roasting

noun
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Definition of blast roasting

: the process of roasting finely divided ores by means of a blast maintaining internal combustion in the charge (as in desulfurizing ores of lead or copper)

— called also roast sintering

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“Blast roasting.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/blast%20roasting. Accessed 14 December 2019.

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