Compositions for scale inhibition for kraft digesters

Details Compositions for scale inhibition for kraft digesters Compositions for scale inhibition for kraft digesters

D - Textiles, Paper

21

H

9/62

D21H 21/02 (2006.01) C02F 5/14 (2006.01)

Patent

CA 1323470

ABSTRACT Inhibition of calcium scale under the extreme temperature conditions found in pulp digesters has been accomplished by employing certain mixtures of polyaminopoly(alkylenephosphonic acids) together with nonionic surfactants. Diethylenetriaminepenta- (methylenephosphonic acid) together with a poly- ethoxynonylphenol has been found especially effective for the purpose. 35,129-F

587464

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