濃硫酸による木材糖化プロセスに関する研究(第15報) : 乾燥糖化プロセスの研究(その3) : 乾燥糖化物の連続多段抽出について

概要

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In a new wood saccharification process using a strong sulfuric acid and by employing a through-flow drying operation, it was necessary to determine the ideal number of stages in the counter current multi-stage extractor, which had to be used for leaching the main-hydrolysis products with water in place of the difficult conventional filtering operation using slurries.The solvent ratio and the concentration of the ideal final overflow were estimated by means of a preliminary beaker experiment with a contact time of 2 hours at 30℃.As the result of the experiment, the optimal solvent ratio was found to be 1.2,and the ideal number of theoretical stages of the multistage countercurrent extractor was istimated to be 6 by the graphic method using the right-angle triangular coordinates and with the data obtained by the experiment. The expected composition of the final overflow was calculated to be 36.3% sulfuric acid, 17.5% reducing sugar and 46.2% water.
社団法人日本生物工学会の論文
1962-09-15