Process for recovering salable cellulose ethers from an aqueous

Details Process for recovering salable cellulose ethers from an aqueous Process for recovering salable cellulose ethers from an aqueous

1994-03-14

1996-04-02

Nutter, Nathan M.

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

Organic compounds

Carbohydrates or derivatives

536 85, 536127, 536128, C07H 106, C07H 108

Patent

active

055042015

ABSTRACT:
A process for recovering salable cellulose ether solids in an aqueous slurry from a reactor wherein such cellulose ether solids are produced, or in an aqueous slurry from a centrifuge or filter wherein a portion of the cellulose ether solids from the reactor have been removed, comprising flowing the slurry into a hydraulic cyclone at a temperature above the gel point of the cellulose ether solids in such slurry and under conditions which are tailored to the particular cellulose ether solids in the slurry and to the process by which these have been made.

REFERENCES:
patent: 2791584 (1957-05-01), Anderson
patent: 2831852 (1958-04-01), Savage
patent: 2949452 (1960-08-01), Savage
patent: 3388082 (1968-06-01), Rodgers, Jr. et al.
patent: 4410693 (1983-10-01), Gibson et al.
patent: 4456751 (1984-06-01), Messelt et al.
patent: 4672113 (1987-06-01), Wallisch et al.

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