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ベンチスケール流動層ガス化炉における亜炭及び固体回収燃料（SRF）の蒸気ガス化
Steam gasification of lignite and solid recovered fuel (SRF) in a bench scale fluidized bed gasifier.
PMID: 32688066 DOI: 10.1016/j.wasman.2020.07.016.
抄録
CO 排出量の削減と固形廃棄物処理は、環境保護のために重要な課題であり、その重要性は非常に高い。ガス化は、燃焼に比べて温室効果ガスの排出量が少なく、幅広い種類の有機質原料から汎用性の高いガス状燃料を製造できることから、持続可能なエネルギー生産のための有望なプロセスである。本研究では、褐炭と褐炭と固体回収燃料（SRF）の混合物を用いてガス化試験を実施し、廃棄物の共ガス化から生成されるガスの品質を評価しました。ベンチスケールの流動床ガス化炉を用いて、異なる運転温度でガス化実験を実施し、ガス組成、タール含有量、転換率の観点から評価を行った。さらに、試験前後の材料の特性分析を行い、流動層在庫の流動化品質を評価するために圧力変動信号を分析した。
The reduction of CO emissions and solid waste disposal are critical issues with high importance for the environmental protection. Gasification is a promising process for sustainable energy production, because it can produce a versatile gaseous fuel starting from a wide range of organic feedstocks, and with reduced greenhouse gas emissions compared to combustion. Lignite is an abundant carbonaceous resource in Europe and in this work, gasification tests were carried out with lignite and a lignite and Solid Recovered Fuel (SRF) mixture, to evaluate the quality of gas produced from co-gasification of waste materials, in view of the final uses of the gas. Experimental gasification tests were carried out in a bench scale fluidized bed gasifier at different operating temperatures; the results were evaluated in terms of gas composition, tar content and conversion rates. In addition, characterization analyses were carried out on materials before and after the tests, and pressure fluctuation signals were analysed in order to evaluate the fluidization quality of the bed inventory.
Copyright © 2020. Published by Elsevier Ltd.