Filtering particulate cellulosic-based material

Details Filtering particulate cellulosic-based material Filtering particulate cellulosic-based material

1993-05-24

1994-12-06

Eley, Timothy V.

Solid material comminution or disintegration

Processes

With application of fluid or lubricant material

241 24, 241 49, 241 60, 241 75, 241 791, B02C 700, B02C 1702

Patent

active

053703227

ABSTRACT:
A method is provided for filtering shredded cellulose-based material, for example to enable the formation of a mixture containing cellulose dispersed in a solvent for cellulose such as amine oxide. The shredding operation creates both fine particles of cellulosic material ("pulp dust") and large particles of cellulosic material. The shredded cellulosic material is passed through a separator to separate the pulp dust from the large particles of cellulosic material and the pulp dust is subsequently recovered in a filtering process.

REFERENCES:
patent: 2972171 (1961-02-01), Heritage
patent: 3411720 (1968-11-01), Jones et al.
patent: 4504016 (1985-03-01), Wikdahl
patent: 4572440 (1986-02-01), Tao
patent: 5133507 (1992-07-01), Sepling

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