中級濃度硫酸の浸透したシラカンバチップの石油留分の蒸気を用いる乾燥操作による糖化反応

概要

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As a method of saccharification of wood with a small amount of concentrated sulfuric acid, drying operation using the vapor of petroleum fractions, mainly n-hexane, instead of air was employed to dry shirakamba (Betula platyphylla SUKAT. var. japonica HARA) wood chips impregnated with about 46% sulfuric acid solution. Experiments were carried out at vapor velocities ranging from 0.61 to 3.57 cm/sec and heights of bed from 0.7 to 6.5 cm.The rate of drying could be expressed as a functions of the flow rate of n-hexane and the water content of the azeotropic vapor when a drying bed of 1.2 cm was used.If hexane vapor is used at a volumetric flow rate of 0.77 times that of dehumidified air, the rate of drying using the vapor is expected to be the same as that using air.
社団法人日本生物工学会の論文
1975-09-25