Method for determining the mass conductivity coefficient of wood when extracting biologically active substances from it

Author:

Safina A V,Valeev K V,Ziatdinova D F

Abstract

Abstract The article presents a method for determining the mass conductivity coefficient of wood when extracting biologically active substances from it. To implement the method, there was an installation developed, the internal cavity of which is divided into two zones filled with liquids with different concentrations of the extracted substance. The installation zones are separated by the investigated wood material. The determination of the mass conductivity coefficient is made according to the equation obtained from Fick’s first law. As an approbation of the proposed method, we carried out studies on the mass conductivity coefficient of larch wood during the extraction of dihydroquercetin from it with a water-ethanol extractant and arabinogalactan with distilled water. As a result of experimental data processing, mathematical dependences of the larch mass conductivity coefficient during the extraction of dihydroquercetin and arabinogalactan on the process temperature were obtained, which can be used in mathematical modeling in order to optimize the operating parameters of the process.

Publisher

IOP Publishing

Subject

General Physics and Astronomy

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