Process for the continuous granulation of carboxymethyl cellulos

Details Process for the continuous granulation of carboxymethyl cellulos Process for the continuous granulation of carboxymethyl cellulos

1984-03-08

1985-03-26

Griffin, Ronald W.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carbohydrates or derivatives

536 98, C08B 1120

Patent

active

045074739

ABSTRACT:
A continuous process for the granulation of alcohol- and water-moist carboxymethyl cellulose (CM) produced by standard methods, wherein the CMC still moist with adhering aqueous alcohol is continuously introduced into a stirring unit, of which the length-to-diameter ratio is greater than 1 and of which the radial stirring elements are mounted on a shaft extending longitudinally in the stirring unit, and is taken up by the stirring elements, which rotate at a peripheral speed of at least 2 m/sec, being percussively size-reduced, and at the same time is brought into contact with steam flowing in countercurrent, and after a residence time of at least 1 minute, is discharged from the stirring unit and dried in the usual way.

REFERENCES:
patent: 2607772 (1952-08-01), Rigby
patent: 3088943 (1963-05-01), Cordrey et al.
patent: 4236959 (1980-12-01), Reinhall

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