scholarly journals Calcium looping combustion for high-efficiency low-emission power generation

2017 ◽  
Vol 161 ◽  
pp. 245-255 ◽  
Author(s):  
Dawid P. Hanak ◽  
Vasilije Manovic
Keyword(s):  
Power Generation ◽  
High Efficiency ◽  
Emission Power ◽  
Calcium Looping ◽  
Low Emission

The Reheat Concept: The Proven Pathway to Ultra-Low Emissions and High Efficiency and Flexibility

2007 ◽  
Author(s):  
Felix Gu¨the ◽  
Jaan Hellat ◽  
Peter Flohr
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
Flame Propagation ◽  
High Efficiency ◽  
Flame Stabilization ◽  
Auto Ignition ◽  
Fuel Flexibility ◽  
Stage Combustion ◽  
Low Emission ◽  
Key Topics

Reheat combustion has proven now in over 80 units to be a robust, and highly flexible gas turbine concept for power generation. This paper covers three key topics to explain the intrinsic advantage of reheat combustion to achieve ultra-low emission levels. First, the fundamental kinetic and thermodynamic emission advantage of reheat combustion is discussed analyzing in detail the emission levels of the first and second combustor stages, optimal firing temperatures for minimal emission levels, as well as benchmarking against single-stage combustion concepts. Secondly, the generic operational and fuel flexibility of the reheat system is emphasized, which is based on the presence of two fundamentally different flame stabilization mechanisms, namely flame propagation in the first combustor stage and auto-ignition in the second combustor stage. Finally, the present fleet status is reported by highlighting the latest combustor hardware upgrade and its emission performance.

scholarly journals High-efficiency negative-carbon emission power generation from integrated solid-oxide fuel cell and calciner

2017 ◽  
Vol 205 ◽  
pp. 1189-1201 ◽  
Author(s):  
Dawid P. Hanak ◽  
Barrie G. Jenkins ◽  
Tim Kruger ◽  
Vasilije Manovic
Keyword(s):  
Power Generation ◽  
Fuel Cell ◽  
Solid Oxide Fuel Cell ◽  
Carbon Emission ◽  
High Efficiency ◽  
Solid Oxide ◽  
Oxide Fuel ◽  
Emission Power

Proposal of ultra-high-efficiency zero-emission power generation systems

2020 ◽  
Vol 448 ◽  
pp. 227459 ◽  
Author(s):  
Yasuharu Kawabata ◽  
Tatsuya Nakajima ◽  
Kazuo Nakamura ◽  
Toru Hatae ◽  
Yuya Tachikawa ◽  
...  
Keyword(s):  
Power Generation ◽  
High Efficiency ◽  
Emission Power ◽  
Zero Emission ◽  
Power Generation Systems

Integration of coal gasification and packed bed CLC for high efficiency and near-zero emission power generation

2014 ◽  
Vol 27 ◽  
pp. 28-41 ◽  
Author(s):  
V. Spallina ◽  
M.C. Romano ◽  
P. Chiesa ◽  
F. Gallucci ◽  
M. van Sint Annaland ◽  
...  
Keyword(s):  
Power Generation ◽  
Coal Gasification ◽  
High Efficiency ◽  
Packed Bed ◽  
Emission Power ◽  
Zero Emission

scholarly journals Integration of Coal Gasification and Packed Bed CLC process for High Efficiency and Near-zero Emission Power Generation

2013 ◽  
Vol 37 ◽  
pp. 662-670 ◽  
Author(s):  
Vincenzo Spallina ◽  
Matteo C. Romano ◽  
Paolo Chiesa ◽  
Giovanni Lozza
Keyword(s):  
Power Generation ◽  
Coal Gasification ◽  
High Efficiency ◽  
Packed Bed ◽  
Emission Power ◽  
Zero Emission

Design, Testing and Performance of the Recently Developed 37 MW Siemens SGT-750

2012 ◽  
Author(s):  
Anders Hellberg ◽  
Thomas Andersson ◽  
Anders Häggmark
Keyword(s):  
Power Generation ◽  
Gas Turbine ◽  
High Performance ◽  
High Efficiency ◽  
Combined Cycle ◽  
Easy Access ◽  
Gas Generator ◽  
Gas Industry ◽  
Low Emission ◽  
And Performance

The 37MW Siemens SGT-750 is a high-performance twin-shaft gas turbine with a free power turbine. It can be employed both for power generation and as a mechanical drive. This gas turbine attains a simple cycle efficiency level of 40% and excellent performance in cogeneration as well as in combined cycle. Requirements from the oil & gas industry as well as industrial power generation have been heeded in the design. Since customer earnings are dependant upon turbine availability, uptime has been a major focus. Long service intervals, rapid gas generator exchange and easy access for borescope inspection all guarantee optimized availability. Maintenance work can be performed on site on the installed machine, alternatively the gas generator can be exchanged to minimize downtime. With this solution, maintenance downtime can be cut to a mere 17 days in 17 years. Furthermore, the hot-section blade temperatures can be monitored during operation as a “health check” to ensure availability. The SGT-750 is a “low-emission engine” equipped with a dry low emission (DLE) combustion system minimizing NOx and CO emissions. The high efficiency leads to a reduction of greenhouse gases with the further possibility to reduce the relative CO2-emissions in cogeneration or combined cycle. This paper will describe the development and testing of the SGT-750 gas turbine and the additional features which have been incorporated. A new development process has made it possible to increase uptime and serviceability; special attention has been brought to this aspect during the design phase, as will be highlighted in the paper.

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