Process for the regeneration of waste paper

Details Process for the regeneration of waste paper Process for the regeneration of waste paper

1981-05-22

1983-05-03

Smith, William F.

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

Waste paper or textile waste

162 6, 162 8, D21C 502

Patent

active

043819699

ABSTRACT:
Waste paper containing encapsulated constituents such as inks is bleached by pulping it in the presence of an aqueous alkaline solution which contains a peroxide compound such as hydrogen peroxide.

REFERENCES:
patent: 2505470 (1950-04-01), Green
patent: 2505471 (1950-04-01), Green
patent: 2505472 (1950-04-01), Green
patent: 2505488 (1950-04-01), Green
patent: 2505489 (1950-04-01), Geeen
patent: 3865685 (1975-02-01), Hebbel et al.
patent: 4264412 (1981-04-01), Hasler et al.
patent: 4356058 (1982-10-01), Fischer et al.
Tappi, vol. 62, No. 7, 7/79, pp. 27-30.

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