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KCI등재후보 학술저널

순산소 순환유동층 연소에 의한 슬러지 및 바이오매스 혼소특성

Oxy-Fuel Co-Combustion of Waste Sludge and Biomass Using A Circulating Fluidized Bed

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Pilot bed tests using circulating fluidized bed (CFB) were conducted to apply oxy-fuel technology for waste sludge and biomass combustion as a carbon capture and storage technology. In the pilot test, air and oxy-fuel combustion experiments for waste sludge and biomass were conducted with a flue-gas recirculation (FGR) unit. By the various tests, the oxygen injection ratio and biomass mixing ratio for oxy-fuel combustion was decided as 25 % and 30 %, respectively. FGR test was conducted to increase the purity of carbon dioxide in the flue-gas. At a flue-gas recirculation ratio of 15 %, over 90 % of purity for carbon dioxide concentration in flue gas was achieved, which verified the possibility of oxy-fuel CFB technology for burning waste sludge as CCS-ready system. for burning waste sludge and biomass.

1. Introduction

2. Facilities and Experimental Method

3. Results and discussion

4. Conclusion

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