Sulphur-free lignin and derivatives thereof for reducing the...

Details Sulphur-free lignin and derivatives thereof for reducing the... Sulphur-free lignin and derivatives thereof for reducing the...

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D21H 21/04 (2006.01) C08H 7/00 (2011.01) C02F 1/50 (2006.01) C02F 1/68 (2006.01) C02F 5/08 (2006.01) C02F 5/14 (2006.01) C08L 97/00 (2006.01)

Patent

CA 2403364

The invention relates to a method for reducing the formation of slime and deposits in industrial plants, in which water, or aqueous process fluids are circulated. Said method comprises the addition of sulphur-free lignin or a derivative thereof, in an amount proportional to the amount of slime- and deposit-forming substances.

L'invention concerne un procédé pour réduire la formation de dépôts dans des installations industrielles, dans lesquelles circulent de l'eau ou des liquides de processus aqueux. Selon l'invention, de la lignine ou un dérivé de cette dernière sont ajoutés au système dans des quantités proportionnelles à la quantité de substances présentes dans l'eau et provoquant la formation de dépôts.

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