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Energies 2016, 9(12), 1080; doi:10.3390/en9121080

Production of Synthetic Natural Gas from Refuse-Derived Fuel Gasification for Use in a Polygeneration District Heating and Cooling System

1
IDMEC, Instituto Superior Técnico, Universidade de Lisboa, 1049-001 Lisboa, Portugal
2
Department of Energy Technology, KTH Royal Institute of Technology, S-100 44 Stockholm, Sweden
3
Department of Materials Science and Engineering, KTH Royal Institute of Technology, S-100 44 Stockholm, Sweden
*
Author to whom correspondence should be addressed.
Academic Editor: Ola Eriksson
Received: 30 August 2016 / Revised: 24 November 2016 / Accepted: 12 December 2016 / Published: 17 December 2016
(This article belongs to the Special Issue Energy and Waste Management)
View Full-Text   |   Download PDF [1690 KB, uploaded 17 December 2016]   |  

Abstract

Nowadays conventional district heating and cooling (DHC) systems face the challenge of reducing fossil fuel dependency while maintaining profitability. To address these issues, this study examines the possibility of retrofitting DHC systems with refuse-derived fuel (RDF) gasifiers and gas upgrading equipment. A novel system is proposed based on the modification of an existing DHC system. Thermodynamic and economic models were established to allow for a parametric analysis of key parameters. The study revealed that such an upgrade is both feasible and economically viable. In the basic scenario, the retrofitted DHC system can simultaneously produce 60.3 GWh/year of heat, 65.1 GWh/year of cold, 33.2 GWh/year of electricity and 789.5 tons/year of synthetic natural gas. A significant part of the heat load can be generated from the waste heat of the upgrading equipment. The investment in retrofitting the polygeneration DHC system presents a payback period of 3 years. View Full-Text
Keywords: polygeneration; synthetic natural gas; district heating and cooling systems; refuse derived fuels; gasification polygeneration; synthetic natural gas; district heating and cooling systems; refuse derived fuels; gasification
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MDPI and ACS Style

Kabalina, N.; Costa, M.; Yang, W.; Martin, A. Production of Synthetic Natural Gas from Refuse-Derived Fuel Gasification for Use in a Polygeneration District Heating and Cooling System. Energies 2016, 9, 1080.

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