Process for extracting water from desizing liquors

Details Process for extracting water from desizing liquors Process for extracting water from desizing liquors

D - Textiles, Paper

06

L

8/115

D06L 1/14 (2006.01)

Patent

CA 1150912

O.Z.0050/034040 Abstract of the disclosure: Though the recycling of sizing agents is increasingly practised, the concen- tration of sizing agent in the desizing liquor is in- sufficient for direct re-use in sizing, and hence the liquor must be strengthened. According to the invention this is achieved if the dry size-laden fabric (which may or may not have been singed) is first wetted, where relevant with simultaneous quenching, in counter- current with the desizing liquor,i.e., size solution obtained after washing, so that the fabric and the size adhering thereto take up water from the size solution by swelling and/or solvation, thereby increasing the concentration of the size solution. This strengthened solution is subsequently separated from the fabric and recycled, whilst the fabric is only then subjected to the actual washing process to remove the sizing agent.

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