Quaternized polyvinylamines for deinking loop clarification

Details Quaternized polyvinylamines for deinking loop clarification Quaternized polyvinylamines for deinking loop clarification

1993-01-04

1993-12-14

Hruskoci, Peter

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

162 5, 210734, 210735, 210736, 210928, C02F 156

Patent

active

052699420

ABSTRACT:
The use of quaternized polyvinylamine for use in clarification of water in a deinking loop of a paper, such as newspaper, recycling operation.

REFERENCES:
patent: 3624019 (1971-11-01), Anderson et al.
patent: 3715336 (1973-02-01), Nowak et al.
patent: 4217214 (1980-08-01), Dubin
patent: 4808683 (1989-02-01), Itagaki et al.
patent: 4824913 (1989-04-01), Murao et al.
patent: 4835206 (1989-05-01), Farrar et al.
patent: 4957977 (1990-09-01), Itagaki et al.
patent: 5013456 (1991-05-01), St. John et al.
Betz Handbook of Industrial Water Conditioning; 9th ed., 1991; pp. 23-30.
Pulp & Paper Chemistry & Chemical Technology; 3d ed., vol. III, 1981; pp. 1593-1607.

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