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Abstract |
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A feasibility study was conducted regarding the utilization by Tokai University Shimizu Campus in Shizuoka Prefecture of the electricity and heat supplied from biomass gasification and cogeneration systems which make use of driftwoods and lumbering chips occurring around the campus. The results of the study are as follows.
The utilization amount of lumbering chips which could be brought to the campus free of charge was 47.8t/day,this amount being the result of an investigation of the maximum biomass amount of the area between the Oigawa River and the Fujikawa River. When this was added to the amount of driftwoods in the basins of the Oigawa, the Abekawa, and the Fujikawa Rivers, the total amount of usable biomass was 73.6t/day.
The premise was made that energy and heat would be supplied to the Shimizu Campus Buildings No.1through 10and to Tokai University Shoyo Senior High School. Based on the amount of electricity and heat that would be used in the facilities, the place of project enforcement and the plans for the arrangement, electrical system, heat supplying system and system of waste water treatment were determined,and the biomass gasification and cogeneration systems were investigated and decided upon as follows:the generation power and heat supply for Plan One were 1,000kW and 1,100kW,respectively(total conversion efficiency is 60%);and those for Plan Two were500kW and 1,100kW, respectively (84%).
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