Technical and Economical Evaluation Of Landfill-Biogas Fired Combined Cycle Plants

Authors

  • José Ramos Saravia Ingenieros del Perú, Ingeniería sin Fronteras (España)
  • J.R. Vega Galaz Pontifical University of the Holy Cross in Rome, Italy
  • Amadeo Carrillo Villena HAMEK INGENIEROS ASOCIADOS SAC, Peru
  • Johnny Nahui Ortiz National University of Engineering, Perú

DOI:

https://doi.org/10.13052/dgaej2156-3306.2731

Keywords:

Combined Cycle, Energy Planning, Landfill Biogas, Internal Combustion Engine, Organic Rankine Cycle, Pinch Method, Urban Solid Waste

Abstract

Many cities are taking advantage of gas extracted from urban solid
waste or USW landfills. The landfill gas is used as fuel in internal combustion engines (ICE). This is possible when the gas has been previously
scrubbed and conditioned. Natural-gas-fired combined cycle plants (gas
turbine, heat recovery boiler and steam turbine) can achieve overall system electrical efficiencies of 60%. On the other hand, an Organic Rankine
Cycle (ORC) yields efficiencies of 10-20% by using low temperature heat
sources, such as solar heat, turbine or ICE exhaust gas. In this context,
by adding a power generator to an ORC and an ICE plant, it’s possible
to increase the overall power production by recovering 5-10% of the
fuel energy content. This is in addition to the 35-40% power generated
by the ICE. Thus, overall primary fuel-to-electricity efficiencies between
40% to 50% (based on the fuel’s lower heating value or LHV) are possible, while using a “free” waste-derived fuel. In this article, we present
a methodology based on heat integration for the conceptual design of
landfill-gas fired combined cycle plants which integrate ICE and ORC
technologies. The methodology has been applied to evaluate the repowering of landfill gas plant by retrofitting an ORC-based combined cycle
into an existing biogas fired ICE plant, with a nominal output of 6 MWe,
located in Monterrey, Mexico.

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Author Biographies

José Ramos Saravia, Ingenieros del Perú, Ingeniería sin Fronteras (España)

José Ramos Saravia (1966) is a Mechanical Engineer graduated
at Universidad Nacional de Ingeniería UNI, Perú (1994). He holds an
Advanced Thermal Engineering and Energy Optimization Diploma
from Universidad de Zaragoza, Spain (2000). Since 1994 until 1998, in
Peru, he was a plant engineer and consultant to companies such as
Pipe Service Internacional, Balones Andinos y Practical Action PERU
(ex-ITDG Intermediate Technology Dev. Group). At UNI (1996-1998) he
was a professor of Energy Economics and Hydraulic Turbo-Machinery.
At Universidad de Zaragoza (2002-2008) he was professor de Thermodynamics, Energy Technology and Energy Planning. He now teaches
graduate courses on Gas Turbines and Combined Cycles, Cogeneration and District Heating. In Spain, he consults with industrial and
service companies and he is a researcher with the Thermal Engineering
and Energy Systems Group (GITSE-I3A). His research focuses on the
analysis, simulation and design optimization and operation of energy
systems, such as combined cycles, cogeneration, trigeneration plants
as well as District Heating & Cooling. He is a member of Colegio de
Ingenieros del Perú, Ingeniería sin Fronteras (España) y COGEN España (part of COGEN Europe).

J.R. Vega Galaz, Pontifical University of the Holy Cross in Rome, Italy

J.R. Vega Galaz (B. Eng. 1985, M. Sc. 1988, Dr. Eng. 1993, B. A.
1997) received his B. Eng. in electromechanical engineering and his M.
Sc. in electrical engineering at ITESM. He received the Dr. Eng. in electrical engineering at UANL. He was awarded with the annual research
prize of the UANL in 1994 with the doctoral thesis Methodology to
evaluate the economical an electrical feasibility of cogeneration plants.
He received the Bachelor in Philosophy in the Pontifical University of
the Holy Cross in Rome, Italy. The thesis of the B. A. was related with
philosophy of the science. He now works for SEISA, a pioneer company
in Mexico dedicated to the design, investment, construction, operation
and maintenance of cogeneration and renewable energy sources. He also
teaches the subject of Cogeneration and renewable sources of energy at
ITESM in the Master in Engineering Program. He is a Certified Energy
Manager, CEM from the Association of Energy Engineers, AEE.

Amadeo Carrillo Villena, HAMEK INGENIEROS ASOCIADOS SAC, Peru

Amadeo Carrillo Villena is a senior mechanical engineer. He has
over 30 years of professional experience. He has graduate studies in energy and environmental engineering in Germany, Sweden and Spain. He
has led several energy planning, electric planning, and power generation
projects as well as energy efficiency and environmental studies in Peru
and other countries. He is currently the General Manager of HAMEK
INGENIEROS ASOCIADOS SAC, Peru, an energy and environmental
management consultancy

Johnny Nahui Ortiz, National University of Engineering, Perú

Johnny Nahui Ortiz a mechanical engineer from National University of Engineering, Perú. He earned an M.S. in Renewable Energy,
University of Oldenburg, Germany and a Ph.D. in Energy Efficiency
and Management, University of Missouri-Rolla, USA. Johnny is a Certified Energy Manager by the Association of Energy Engineers, United
States. He has over 20 years of professional experience in the analysis
and planning of energy systems considering technological, economic
and environmental issues. Prof. Nahui Ortiz is an energy efficiency and
renewable energy faculty member of National University of Engineering, Perú, and the general manager of M.E.N. INGENIEROS S.A.C., an
engineering consultancy in Perú

References

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Cities with power plants which opérate with landfill biongas

• Salinas Victoria (17 MWe), Monterrey, México (www.seisa.com.mx).

• Ciudades de España, Portugal y Reino Unido

(www.energiasurdeeuropa.com).

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Internal Combustion Engine Manufacturers:

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-MWM (www.mwm.net) antes DEUTZ

-GE-Jenbacher (www.gepower.com)

-Caterpillar Inc. (www. cat.com)

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Ramos, José et al. “Thermal Integration for Conceptual Design of High Efficiency Cogeneration Plants” (in Spanish). XVIII CONIMERA. Lima—Perú (2009).

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of Organic Rankine Cycle.” Journal of Engineering for Power. Transactions of

ASME. April 1973. Pages 75-83. (1973).

Nguyen, T. “Power generation from residual industrial heat.” Energy Conversion and Management, Vol. 51, Issue 11, pages 2220-2229 Published by Elsevier

Ltd. (2010).

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based on ORC turbogenerators feeding existing district heating networks.” Proceedings of the 17th European Biomass Conference, Hamburg, Germany (2009).

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,4 MWe to 1,5 MWe: Technology, efficiency, practical experiences and economy.” “7th Holzenergie—Synopsium.” ETH Zürich— Switzerland (2002).

Empresas que desarrollan tecnología ORC:

-ADORATEC (http://www.adoratec.com/company profilnav.html)

-TURBODEN (http://www.turboden.eu/it/home/index.php)

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power_systems/power_systems.asp-Tri-O-Gen (http://www.triogen.nl)

IEA—2010. “CO2 Emissions from Fuel Combustion. Highlights.” International

Energy Agency, 2010

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Published

2012-06-27

How to Cite

Saravia, J. R. ., Galaz, J. V. ., Villena, A. C. ., & Ortiz, J. N. . (2012). Technical and Economical Evaluation Of Landfill-Biogas Fired Combined Cycle Plants. Distributed Generation &Amp; Alternative Energy Journal, 27(3), 7–25. https://doi.org/10.13052/dgaej2156-3306.2731

Issue

2012: Vol 27 Iss 3

Section

Articles