Abstract
The gasification power generation and the system of making the fuel and the chemical raw material from biomass are paid attention to as one of the environmentally friendly energy technology. The present study applies two step process of pyrolysis and gasification to biomass, and the aim of the study is to establish an efficient gasification method that can process various biomass. We report the effectiveness of an efficient gas cooling by the endothermic gasification reaction of the pyrolysis carbide and the high temperature flue gas in the latter part gasification furnace, which is confirmed with the bench scale experimental device. The gas cooling in hundreds of degrees was observed in any case in the carbide gasification reaction zone from the result of the gasification experiment that used various carbides, and it was confirmed to be able to achieve the gas cooling by using the gasification reaction without water spraying. The addition of steam improved effectively the gasification rate and the cold gas efficiency.
