Deposition control in pulp and papermaking systems using a compo

Details Deposition control in pulp and papermaking systems using a compo Deposition control in pulp and papermaking systems using a compo

1996-05-22

1998-07-14

Czaja, Donald E.

Paper making and fiber liberation

Processes and products

Non-fiber additive

162174, 162199, 162DIG4, D21H 2102, D21H 1706, D21H 1722

Patent

active

057798583

ABSTRACT:
Compositions and methods for inhibiting the deposition of organic contaminants from pulp in pulp and papermaking systems are disclosed. The methods add to the pulp or to the deposition prone surface of the papermaking system a composition comprising a polyvinyl alcohol having 50 to 100% hydrolysis and a high molecular weight gelatin having a molecular weight of about 100,000 or higher.

REFERENCES:
patent: 4871424 (1989-10-01), Dreisbach et al.
patent: 4886575 (1989-12-01), Moreland
patent: 4956051 (1990-09-01), Moreland
patent: 5474655 (1995-12-01), Schulte et al.
Pulp and Paper, James Casey, vol. III, 3d ed., pp. 1587-1588.

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