A procedure for the recovery of carbonic acid, especially acetic acid, from a part containing carboxylic acid and impurities, including the separation of the part by gas trawling and the recovery of at least a part of pure carboxylic acid. 2. Wood production procedures processed by the above procedures.

摘要

The present Invention relates to a method for the recuperaciu00f4n of carboxylic u00e3cido from a fractionIncludes carboxylic acid and Impurities, and to a process for the production of Treated Wood, which comprises the step ofSubmit a fraction containing carboxylic acid and Impurities to a operaciu00e1n again by gas Drag.