Method and apparatus for reducing residual ammonia content...

Details Method and apparatus for reducing residual ammonia content... Method and apparatus for reducing residual ammonia content...

D - Textiles, Paper

06

M

68/5, 8/93.6

D06M 11/61 (2006.01) D06B 19/00 (2006.01)

Patent

CA 1075407

AMMONIA PROCESSING OF FABRICS Abstract of the Disclosure The disclosure relates to equipment and techniques for the removal from fabrics of excess residual ammonia, remaining in the fabric after liquid ammonia processing. The process in- volves contacting the opposed surfaces of the fabric with a thin film of water, followed by removal of the water from the fabric. The amount of water which contacts the fabric is insufficient to wet the fabric, so that it does not require a subsequent dry- ing step, but is sufficient to release most of the residual ammonia, causing the ammonia to be extracted from the fabric. To advantage, the thin film of water is achieved by condensation of steam on chilled rollers.

261736

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