Vinylamine polymers for removing color from paper mill effluents

Details Vinylamine polymers for removing color from paper mill effluents Vinylamine polymers for removing color from paper mill effluents

1994-05-09

1995-12-19

McCarthy, Neil

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210735, 210917, 210928, C02F 156

Patent

active

054765943

ABSTRACT:
The invention comprises a process for removing true and apparent color from pulp and paper waste waters. It comprises treating these waste waters with a vinylamine polymer including from about 1 to about 100 mole percent vinylamine and from about 1 to about 99 mole percent of at least one monomer selected from the group consisting of amidine vinylformamide, vinyl alcohol, vinyl acetate, vinyl pyrrolidinone and the esters, amides, nitriles and salts of acrylic acid and methacrylic acid.

REFERENCES:
patent: 4089780 (1978-05-01), Svarz et al.
patent: 4217214 (1980-08-01), Dubin
patent: 4808683 (1989-02-01), Itagaki et al.
patent: 4957977 (1990-09-01), Itagaki et al.
patent: 5185083 (1993-02-01), Smigo et al.
patent: 5209854 (1993-05-01), Reed et al.
patent: 5269942 (1993-12-01), Harrington, IV et al.
patent: 5314627 (1994-05-01), Ramesh et al.
patent: 5326479 (1994-07-01), Sarkar et al.

Affiliated with

Also associated with

Rating

Vinylamine polymers for removing color from paper mill effluents does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Vinylamine polymers for removing color from paper mill effluents, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Vinylamine polymers for removing color from paper mill effluents will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-990284