摘要 |
<p>Melting of materials containing mineral fibres and an organic substance. …<??>The process consists in melting the mineral fibres 1 in a furnace 2 in the presence of pure oxygen or of oxygen-enriched air originating from nozzles 9, whose oxygen content is at least 40 % by volume to burn the organic substance and to use the heat released for melting the fibrous material. …<??>Application to the treatment of waste mineral fibres. …<IMAGE>… </p> |