摘要 |
<p>The present invention relates to a washing machine in which a composition is used comprising at least one liquid-liquid interface, with an interfacial tension of at least 5 mN/m. The washing machine comprises a heatable wash drum, means for storing dispensing and mixing the liquids, means for introducing the liquids into the drum, and means for filtering, separating, distilling and condensing the wash liquor and vapours and recovering the solvents. Use of the machine enables discharge of waste water with only low levels of solvent, and facilities recovering of the solvents.</p> |