In this paper two options for H2 production, by means of fossil fuels, are presented and their performances are evaluated when they are integrated with advanced H2/air cycles. In this investigation two different schemes have been analyzed: an advanced combined cycle power plant (CC) and a new advanced mixed cycle power plant (AMC). The two methods for producing H2 are as follows: • partial oxidation of methane; • gasification of coal. These hydrogen production plants require material and energetic integrations with the power section and the best interconnections must be investigated in order to obtain good overall performance. With reference to thermodynamic and economic performance, significant comparisons have been made between the above mentioned reference plants. An efficiency decrease and an increase in the cost of electricity have been obtained when power plants are equipped with a fossil fuel decarbonization section. The main results of the performed investigation are quite variable among the different H2 production technologies here considered: the efficiency decreases in a range of 5.5 percentage points to nearly 10 for the partial oxidation of the natural gas and in a range of 6.2–6.4 percentage points for the coal gasification. The electricity production cost increases in a range of about 33–37% for the first option and in a range of about 24–32% for the second one. The clean use of coal seems to have very good potentiality because, in comparison with natural gas decarbonisation, it allows lower energy penalizations (about 6 percentage points) and lower economic increases (about 24% for the CC).
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ASME 2007 Power Conference
July 17–19, 2007
San Antonio, Texas, USA
Conference Sponsors:
- Power Division
ISBN:
0-7918-4273-8
PROCEEDINGS PAPER
Performance Optimization of Advanced Power Plants Based on Fossil Fuel Decarbonization Technologies
Marco Gambini,
Marco Gambini
University of Rome “Tor Vergata”, Rome, Italy
Search for other works by this author on:
Michela Vellini
Michela Vellini
University of Rome “Tor Vergata”, Rome, Italy
Search for other works by this author on:
Marco Gambini
University of Rome “Tor Vergata”, Rome, Italy
Michela Vellini
University of Rome “Tor Vergata”, Rome, Italy
Paper No:
POWER2007-22025, pp. 843-855; 13 pages
Published Online:
April 21, 2009
Citation
Gambini, M, & Vellini, M. "Performance Optimization of Advanced Power Plants Based on Fossil Fuel Decarbonization Technologies." Proceedings of the ASME 2007 Power Conference. ASME 2007 Power Conference. San Antonio, Texas, USA. July 17–19, 2007. pp. 843-855. ASME. https://doi.org/10.1115/POWER2007-22025
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