Stabilized sodium hydrosulfite composition and process for...

Details Stabilized sodium hydrosulfite composition and process for... Stabilized sodium hydrosulfite composition and process for...

D - Textiles, Paper

21

C

8/81

D21C 9/10 (2006.01)

Patent

CA 1061509

ABSTRACT An aqueous composition for bleaching wood pulp containing sodium hydrosulfite, and at least 2 weight percent hexamethylenetetramine based upon the weight of sodium hydrosulfite, wherein the solution has a pH between about 4 and about 11. The hexamethylenetetramine prevents or substantially reduces hydrogen sulfide formation during bleaching of the wood pulp.

236910

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