Method for clarification of wood having been treated with...

Details Method for clarification of wood having been treated with... Method for clarification of wood having been treated with...

B - Operations, Transporting

01

D

B01D 11/02 (2006.01) B09B 3/00 (2006.01) B27K 5/00 (2006.01)

Patent

CA 2526184

A method for clarification of the wood having been treated with a chemical containing copper, characterized in that it comprises immersing the wood having been treated with a chemical containing copper into an aqueous solution of at least one alkali metal salt of a carboxylic acid selected from the group consisting of an alkali metal salt of a monocarboxylic acid and an alkali metal salt of a dicarboxylic acid, to thereby extract components of said chemical from said wood. The method allows the clarification of the wood having been treated with a chemical containing copper with ease and simplicity with good efficiency, through the extraction of components of said chemical.

Procédé de clarification de bois traité au moyen d'un produit chimique contenant du cuivre, ce qui consiste à immerger ce bois dans une solution aqueuse d'au moins un sel de métal alcalin d'acide carboxylique sélectionné dans le groupe constitué par un sel de métal alcalin d'acide monocarboxylique et un sel de métal alcalin d'acide dicarboxylique, de manière à extraire les constituants dudit produit chimique de ce bois. Ce procédé permet de clarifier le bois traité par un produit chimique contenant du cuivre de façon simple et efficace, au moyen de l'extraction des constituants dudit produit chimique.

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