The Study of the Integrated Technology of the Dual Fluidized-bed Gasification for Producing Medium Heating Value Syngas 


Vol. 19,  No. 3, pp. 226-232, Sep.  2013
10.7464/ksct.2013.19.3.226


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  Abstract

A 5 kg/hr scale integral dual fluidized-bed gasifier for producing medium heating value syngas from biomass or combustible wastes was manufactured. The effect of operating variables including gasification temperature, rate of feeding, and weight ratio of steam/feed on the behavior of the gasifier was investigated. The contents of H2 and CO in syngas, flow rate of feeding, cold gas efficiency increased with the increased gasification temperature or rate of feeding, but decreased with the increased weight ratio of steam/feed within the experimental range. With wood powder as the feed, the concentrations of H2 and CO in the syngas were as high as 41% and 32%, and the cold gas efficiency and lower heating value of the syngas were as high as 70.1% and 3,428 kcal/Nm3. With food wastes as the feed, the concentrations of H2 and CO in the syngas were as high as 37% and 23.9%, and the cold gas efficiency and lower heating value of the syngas were as high as 66.7% and 3,670 kcal/Nm3.

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  Cite this article

[IEEE Style]

C. JM, K. JM, K. SH, S. YS, L. DM, C. JH, P. SY, K. SS, "The Study of the Integrated Technology of the Dual Fluidized-bed Gasification for Producing Medium Heating Value Syngas," Clean Technology, vol. 19, no. 3, pp. 226-232, 2013. DOI: 10.7464/ksct.2013.19.3.226.

[ACM Style]

Choi JM, Kim JM, Kim SH, Son YS, Lee DM, Choi JH, Park SY, and Kim SS. 2013. The Study of the Integrated Technology of the Dual Fluidized-bed Gasification for Producing Medium Heating Value Syngas. Clean Technology, 19, 3, (2013), 226-232. DOI: 10.7464/ksct.2013.19.3.226.

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