Methods of deinking secondary fibers

Details Methods of deinking secondary fibers Methods of deinking secondary fibers

1983-01-17

1985-05-21

Smith, William

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 8, 162 13, 162 80, 252352, 252358, D21C 502

Patent

active

045184593

ABSTRACT:
Washing methods of deinking secondary cellulose fiber (i.e., removing unwanted non-cellulose materials therefrom) are disclosed. These washing methods (as opposed to flotation methods) generally involve deinking the fiber with surface active agent (surfactant).
The present invention utilizes a single foam-suppressing surface active agent consisting essentially of

REFERENCES:
patent: 2856434 (1958-10-01), Niederhauser et al.
patent: 2903486 (1959-09-01), Brown et al.
patent: 3021372 (1962-02-01), Dupre et al.
patent: 3340309 (1967-09-01), Wiepert
patent: 3444242 (1969-05-01), Rue et al.
patent: 3625909 (1971-12-01), Berg et al.
patent: 3808089 (1974-04-01), Van Koeppan
patent: 4162186 (1979-07-01), Wood et al.

Affiliated with

Also associated with

Rating

Methods of deinking secondary fibers does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Methods of deinking secondary fibers, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Methods of deinking secondary fibers will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1536660