| 摘要 |
<p>A thermal and chemical treatment method for granulate less than 0.5 mm, e.g. for metallising iron ores, in which the material is both conveyed and treated by a gas, consists of effecting partial treatment of the material during conveying by the gas, then classifying the material according to grain size by gas dynamic effect, then completing treatment of the material in contraflow to the gas.</p> |
