Long-term Demonstration of 25 % Reduction in CO2 Emissions using Bio-coke from Mixed Feedstock at Incineration Facilities

Kakumazaki Junichi, Hashimoto Keiichiro, Uchiyama Takeshi, Okuyama Keiichi, Horiuchi Satoshi

doi:10.3985/mcwmr.28.53

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Other Title

多原料バイオコークス (BIC) による一般廃棄物処理施設での CO2 排出量 25 % 削減の長期実証
多原料バイオコークス(BIC)による一般廃棄物処理施設でのCO₂排出量25%削減の長期実証
タゲンリョウバイオコークス(BIC)ニヨルイッパンハイキブツショリシセツデノ CO ₂ ハイシュツリョウ 25%サクゲンノチョウキジッショウ

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Description

Municipal waste incineration facilities in Japan often use gasification melting furnaces due to their high environmental performance and ash volume reduction. This project tests bio-coke made from various types of biomass, fed into a furnace for several months as a substitute for coal coke. Bio-coke is considered to be a carbon-neutral fuel and has been verified to reduce CO₂ emissions by at least 25 %, as compared to conventional fuel. 　The project aims to achieve four objectives : (1) steady collection of biomass in Yokote City, Akita Prefecture (mainly rice husks and bark, but their availability varies with harvest and snow seasons, respectively, so various types of biomass will be collected to provide a steady year-round supply of mixed feedstock); (2) development of effective and economic technology to produce bio-coke from mixed feedstock; (3) long-term demonstration of operations using bio-coke at Morioka/Shiwa District Environmental Facilities Association; and (4) investigation of the applicability of bio-coke from mixed feedstock in other industries.

Journal

Material Cycles and Waste Management Research

Material Cycles and Waste Management Research 28 (1), 53-62, 2017-02-28

Japan Society of Material Cycles and Waste Management

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Long-term Demonstration of 25 % Reduction in CO<sub>2</sub> Emissions using Bio-coke from Mixed Feedstock at Incineration Facilities