Method for treating black liquor using acrylic acid polymer

Details Method for treating black liquor using acrylic acid polymer Method for treating black liquor using acrylic acid polymer

1979-08-16

1981-04-21

Chin, Peter

Paper making and fiber liberation

Processes of chemical liberation, recovery or purification...

With cleaning, preserving or conditioning of apparatus

159 47WL, 162 30K, 162 72, 203 7, P21C 1100

Patent

active

042630924

ABSTRACT:
A method is disclosed for inhibiting soft scale precipitation in black liquor systems by adding thereto polyacrylic acid.

REFERENCES:
patent: 3293152 (1966-12-01), Herbert
patent: 3514376 (1970-05-01), Salutsky
patent: 3516910 (1970-06-01), Engman et al.
patent: 3766077 (1973-10-01), Hwa et al.

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