Method and use involving naphthalene sulphonate salt(s) and...

D - Textiles – Paper – 21 – H

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D21H 17/09 (2006.01) D21H 17/53 (2006.01) D21H 21/10 (2006.01) D21H 17/72 (1990.01)

Patent

CA 2127696

The present invention relates to a method and a use of naphthalene sulphonate salts) under granulated form or as a con- densed or diluted solution, and a solution of one or several polyethylene oxide having a molecular weight varying from 1 x 10 6 to 13 x 10 6, allowing for a mixture comprising lignocellulosic particles and an aqueous medium to significantly improve the retention of particles such as fines and fibers, on a wire screen and the drainage of the aqueous medium.

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