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Gasification applicability study of polyurethane solid refuse fuel fabricated from electric waste by measuring syngas and nitrogenous pollutant gases

  • SPECIAL FEATURE: ORIGINAL ARTICLE
  • 2nd 3R International Scientific Conference (2nd 3RINCs 2015)
  • Published:
Journal of Material Cycles and Waste Management Aims and scope Submit manuscript

Abstract

To recycle polyurethane foam waste generated from electric appliance recycling centers for use as fuel in a gasification process, polyurethane solid refuse fuel fabricated as pellets was analyzed for the characteristics of elemental composition, proximate analysis, heating value, and thermo-gravimetric testing. It has a high heating value of 29.06 MJ/kg with a high content of combustibles, which could be feasibly used in any thermal process. However, the nitrogen content, of up to 7 %, was comparably higher than for other fuels such as coal, biomass, and refuse-derived fuel, and may result in the emission of nitrogenous pollutant gases of HCN and NH3. By conducting gasification experiments on polyurethane solid refuse fuel in a fixed-bed reactor, a syngas with a heating value of 9.76 kJ/m3 and high content of both H2 and CO were produced with good gasification efficiency; carbon conversion 54 %, and cold gas efficiency 60 %. The nitrogenous pollutant gases in syngas were measured at the concentrations of 160 ppm hydrogen cyanide and 40 ppm ammonia, which may have to be reduced using proper cleaning technologies prior to the commercialization of gasification technology for polyurethane waste.

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Acknowledgments

This subject is supported by the Korea Ministry of Environment (MOE) as a “Waste-to-Energy Technology Development Project” and as a “Knowledge-based Environmental Service (Waste to energy and recycling) Human Resource Development Project”. This work was also supported by the KIST Institutional Program (2014 India-Republic of Korea Joint Applied R&D Programme).

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Authors and Affiliations

  1. Department of Environmental Engineering, Yonsei University, Wonju, 220-710, South Korea

    Won-Seok Yang, Jang-Soo Lee, Se-Won Park, Jae-Jun Kang, Tanvir Alam & Yong-Chil Seo

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  1. Won-Seok Yang
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  2. Jang-Soo Lee
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Correspondence to Yong-Chil Seo.

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Yang, WS., Lee, JS., Park, SW. et al. Gasification applicability study of polyurethane solid refuse fuel fabricated from electric waste by measuring syngas and nitrogenous pollutant gases. J Mater Cycles Waste Manag 18, 509–516 (2016). https://doi.org/10.1007/s10163-016-0512-1

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