Formaldehyde-reduction composition and methods of use therefor

Details Formaldehyde-reduction composition and methods of use therefor Formaldehyde-reduction composition and methods of use therefor

1996-11-13

1997-12-16

McCarthy, Neil

Liquid purification or separation

Processes

Making an insoluble substance or accreting suspended...

210749, 210908, 252175, 252180, C02F 158

Patent

active

056981082

ABSTRACT:
A formaldehyde reduction composition which comprises from about 0.1% to about 0.6% by weight of a water soluble lignosulfonate salt, from about 22% to about 28% by weight of a di- or tri- alkylene amine, from 0% to about 28% by weight of di- or tri- alkanol amine, and from about 43.4 about 77.9% water. The composition is particularly useful in the treatment of aqueous media, especially calcium carbonate and kaolin mineral slurries which have been treated with a formaldehyde-releasing biocide.

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patent: 5606107 (1997-02-01), Smith

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