Purification of regenerated sizing liquors

Details Purification of regenerated sizing liquors Purification of regenerated sizing liquors

1981-03-10

1982-05-25

Therkorn, Ernest G.

Liquid purification or separation

Processes

Treatment by living organism

162 4, 162189, C02F 302

Patent

active

043315399

ABSTRACT:
A method of processing regenerated liquors of polyacrylate, polyvinyl alcohol and carboxymethylcellulose (CMC) sizes for reuse, wherein the impurities are substantially removed, without noticeably changing the properties of the size, by constantly aerating the liquor and separating off the precipitate thereby formed.

REFERENCES:
patent: 2865853 (1958-12-01), Batdorf
patent: 3354082 (1967-11-01), Dubach
patent: 3926796 (1975-12-01), Fujita

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