木質バイオマスの直接液化反応の研究(<特集>バイオマス資源のエネルギー利用)

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The biomass is noticed as an alternative energy source to oil, because its energy volume of production is more than 10 times as much as of fossil resources consumption. However, the biomass is solid of irregular form and has high moisture content, so that it cannot be utilized effectively as an energy resource. Then the direct liquefaction of material wood for the architecture, on the assumption of architecture waste wood that is one of the promising biomass, was carried out. The following results were obtained; 1) It does not need to segregate material wood for the architecture as a raw material for the liquefaction, because it shows similar grinding characteristics regardless of the wood species. 2) First, the thermal decomposition reaction of material wood for the architecture occurs, and WIAI (water-insoluble and acetone-insoluble fraction) forms with the dehydration. Secondary, it thermally decomposes and forms WIAS (water-insoluble but acetone-soluble fraction, liquid oil), hydrolyzes and forms WS (water-soluble fraction, organic acids). The dehydration of WIAS and WS generates water. The decarboxylation of WIAS and WS generates carbon dioxide. 3) The pulverizing of material wood for the architecture and the rising of the liquefaction temperature promote the thermal decomposition reaction, and the liquid oil yield can be improved. 4) The material wood for the architecture shows similar liquefaction characteristics regardless of the wood species.
一般社団法人日本エネルギー学会の論文
2004-10-20

木質バイオマスの直接液化反応の研究(<特集>バイオマス資源のエネルギー利用)

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