| 摘要 |
<p>The invention relates to a process for producing lightweight aggregates from cellulose fibres from waste products such as waste paper, rags, according to which the wet-processed cellulose fibres are granulated and then encapsulated with cement, where the moist cellulose fibres are treated, before or after granulation, with additives such as lead-containing materials, graphite, paraffin, aluminium powder and/or other radiation- absorbing materials.</p> |
