(b) roasting of the ore in air the ore roasting usually takes place in a fluidised bed furnace at around k, with air being blown in at the bottom. the most important reaction is the conversion of zinc sulfide to zinc oxide: however, any iron sulfide present in the ore will be converted to iron(iii) oxide...
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microbiological, chemical and physical; the controls expected to be in place to manage contamination; the practices to be applied when receiving birds into the lairage; and the different stages of the production process. start the raw poultry category learning module now . category : alcoholic drinks and fermented...