| 摘要 |
PURPOSE:To pretreat continuously a biomass for liquid fuel or chemical raw material in a short time with a small amount of heat, by blending the biomass with an alkali compound, introducing the blend into a twin-screw extruder, kneading and reacting it. CONSTITUTION:A biomass (e.g., bagasse, Japanese beech, silver fir, old paper, etc.) having preferably <=15mm. average particle diameter is blended with an alkali compound such as NaOH, Na2S, etc., introduced into a twin-screw extruder preferably at 60-230 deg.C, kneaded and reacted.
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