Energetic and economic analysis of a Brazilian compact cogeneration system: Comparison between natural gas and biogas

Federico Brizi, Jose Luz Silveira, Umberto Desideri, Joaquim Antonio dos Reis, Celso Eduardo Tuna and Wendell de Queiroz Lamas

Renewable and Sustainable Energy Reviews, 2014, vol. 38, issue C, 193-211

Abstract: Cogeneration may be defined as the simultaneous production of electric power and useful heat from the burning of a single fuel. This technique of combined heat and power production has been applied in both the industrial and tertiary sectors. It has been mainly used because of its overall efficiency, and the guarantee of electricity with a low level of environmental impact. The compact cogeneration systems using internal combustion engine as prime movers are thoroughly applied because of the good relationship among cost and benefit obtained in such devices. The cogeneration system of this study consists of an internal combustion engine using natural gas or biogas as fuel, combined with two heat exchangers and an absorption chiller utilising water–ammonia as working mixture. This work presents an energetic and economic comparison between natural gas and biogas as fuel used for the system proposed. The results are useful to identify the feasible applications for this system, such as residential sector in isolated areas, hotels, universities etc.

Keywords: Absorption chiller; Biogas; Cogeneration; Internal combustion engine; Natural gas (search for similar items in EconPapers)
Date: 2014
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (14)

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Persistent link: https://EconPapers.repec.org/RePEc:eee:rensus:v:38:y:2014:i:c:p:193-211

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DOI: 10.1016/j.rser.2014.05.088

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