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Kinetics of Water-soluble Agents Extraction from Spruce and Pine Bark under Water-alkaline Treatment

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E.V. Shkol`nikov, G.F. Ananjeva

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630*86:631.571:66.061.3

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Abstract

The kinetics of dry spruce and pine bark extraction in the water solution of sodium sulfite has been studied at different temperatures. The rate and activation energy constants have been determined for the graded processes of the extraction itself and hydrolysis accompanied by accumulating the reducing agents, tannins and organic acids.

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Kinetics of Water-soluble Agents Extraction from Spruce and Pine Bark under Water-alkaline Treatment

 

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