Process for extracting water from desizing liquors

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

1980-09-11

1982-06-08

Tungol, Maria Parrish

Bleaching and dyeing; fluid treatment and chemical modification

Fluid treatment

Special forms and forming

8158, 8138, D06B 310, D06L 114

Patent

active

043331904

ABSTRACT:
A process for desizing a fabric web comprising the steps of: first wetting the dry size-loaded fabric with the desizing liquor separated from a previous batch of fabric after desizing, so that the fabric, and the size adhering thereto, take up water from the desizing liquor by swelling and/or solvation, thereby increasing the concentration of the desizing liquor; separating the concentrated desizing liquor from the fabric; recycling the concentrated desizing liquor to a sizing operation; desizing the wetted fabric by a continuous fresh water wash; separating the desized fabric from the resulting desizing liquor; and recycling the desizing liquor to the first wetting step.

REFERENCES:
patent: 4095947 (1978-06-01), Wolf et al.

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