O-11 籾・籾殻・玄米を原料とした2段階熱分解ガス化(セッション3:技術I,研究発表(口頭発表))

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Phyto-mediations of the contaminated farmlands with cadmium were down by the rice cultivation and cadmium was concentrated in the rice tissues. Disposal of the rice absorbed cadmium is becoming one of serious problems in Niigata area. On the other hand, it is required to keep the paddy field function in the closed farmlands for returning in Japan. Most effective method to keep the function is to continue the rice culture. The rice, of course, could not be harvested as the food in the closed farmlands. Therefore, the possibility of utilization of the rice as the energy resources was researched. Two-stage thermal gasification (carbonization and gasification) of unhusked rice, rice husk and hulled rice were tried in a laboratory scale using the steam as a gasification reagent. In this study, char yield of difference part of rice at the 1^<st> stage carbonization were discussed. In the 2^<nd> stage, the effect of tissues of the rice on gasification rate and gas composition and HHV of water-gas was discussed.
2011-01-12