| 摘要 |
<p>Process for the treatment of waste paper, of the type comprising pulping and prepurification stages, fractionation of the pulp into long fibres and short fibres, deinking by flotation and thickening of the short-fibre fraction, fine purification and thickening of the long-fibre fraction, characterised in that the long-fibre fraction is subjected to at least one thickening-washing (12) and in that the aqueous liquor from thickening is reemployed in the treatment line by recycling in order to reduce simultaneously the volume of water discharged, the pollution and the water consumption. …<IMAGE>… </p> |
