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Energies 2017, 10(3), 349; doi:10.3390/en10030349

Effects of Syngas Cooling and Biomass Filter Medium on Tar Removal

Environmental Science Graduate Program, Oklahoma State University, Stillwater, OK 74078, USA
Biobased Products and Energy Center, Oklahoma State University, Stillwater, OK 74078, USA
Biosystems and Agricultural Engineering, Oklahoma State University, Stillwater, OK 74078, USA
Author to whom correspondence should be addressed.
Academic Editor: Jaya Shankar Tumuluru
Received: 19 December 2016 / Revised: 21 February 2017 / Accepted: 6 March 2017 / Published: 11 March 2017
(This article belongs to the Special Issue Woody Biomass for Bioenergy Production)
View Full-Text   |   Download PDF [5806 KB, uploaded 11 March 2017]   |  


Biomass gasification is a proven technology; however, one of the major obstacles in using product syngas for electric power generation and biofuels is the removal of tar. The purpose of this research was to develop and evaluate effectiveness of tar removal methods by cooling the syngas and using wood shavings as filtering media. The performance of the wood shavings filter equipped with an oil bubbler and heat exchanger as cooling systems was tested using tar-laden syngas generated from a 20-kW downdraft gasifier. The tar reduction efficiencies of wood shavings filter, wood shavings filter with heat exchanger, and wood shavings filter with oil bubbler were 10%, 61%, and 97%, respectively. View Full-Text
Keywords: biomass; gasification; tar; syngas cleaning; dry filter biomass; gasification; tar; syngas cleaning; dry filter

This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Thapa, S.; Bhoi, P.R.; Kumar, A.; Huhnke, R.L. Effects of Syngas Cooling and Biomass Filter Medium on Tar Removal. Energies 2017, 10, 349.

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