Energetic and Exergetic Analyses of Biomass Derived Syngas for Triple Cycle Power Generation

Authors

  • Faizan Ahmad department of Chemical Engineering, Aligarh Muslim University, Aligarh
  • Abdul Khaliq Thermal engineering from IIT Delhi
  • Mohammad Idrees Department at Aligarh Muslim University, India

DOI:

https://doi.org/10.13052/dgaej2156-3306.3242

Keywords:

Gasification, synthetic gas, combined cycle, ORC, triple power cycle, energetic, exergetic

Abstract

To rise the thermal efficiency of power generation systems and
to meet stricter environmental regulations, improved system inte -
gration based on renewable energy is a viable option. In this context,
a syngas fuelled Brayton/Rankine combined power cycle integrated
with the Organic Rankine Cycle (ORC) is proposed and analysed
from both energetic and exergetic point of views. A thermo-chemical
model was developed to predict the composition of syngas produced
after biomass gasification, and also, a thermodynamic model was
developed, to determine the energetic and exergetic performance of
the proposed triple cycle power generation system. We show that
both first-law and second-law efficiencies of triple power cycle de -
creases with the increase in pressure ratio and increases with higher
gas turbine inlet temperature. It is further shown that first-law and
second-law efficiencies of solid-waste-derived syngas fuelled triple
power cycle are considerably higher than the rice husk derived syn -
gas fuelled cycle. The worst performing components from irrevers-
ibility point of view in the proposed triple cycle are the combustor,
Heat Recovery Steam Generator (HRSG), and gasifier, respectively.
Our results show that integration of ORC with the Biomass-Fuelled
Integrated Gasification Combined Cycle (BIGCC) is very effective in
improving the thermal performance of the power plant and in reduc-
ing external waste emissions.

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Author Biographies

Faizan Ahmad, department of Chemical Engineering, Aligarh Muslim University, Aligarh

Faizan Ahmad has done his M.Tech in Chemical Engineering
(Process Modeling and Simulation) from Aligarh Muslim University,
Aligarh. He has three years of teaching experience in the department of
Chemical Engineering, Aligarh Muslim University, Aligarh. He is work-
ing as assistant professor in the department of Post Harvest Engineer -
ing and Technology, Faculty of Agricultural Sciences, Aligarh Muslim
University, Aligarh. He has published technical articles in various jour -
nals of international repute. His area of interest is heat transfer, fluid
mechanics, computational fluid dynamics and food processing. Email:
f4faizahmad1989@gmail.com.

Abdul Khaliq, Thermal engineering from IIT Delhi

Abdul Khaliq, corresponding author, has a Ph.D. in thermal engi -
neering from IIT Delhi and post doctoral research in energy engineering
from UOIT Canada. He is working as a professor of mechanical engi -
neering at King Fahd University of Petroleum and Minerals, Dhahran,
Saudi Arabia. He has guided 7 Ph.D. theses as a sole supervisor and
published a large number of research papers in various peer reviewed
journals of international repute. His research referenced internationally
with an H-index of 15. He has won many awards from the government
of India for his excellent teaching and research record. Emails: akhaliq@
kfupm.edu.sa, khaliqsb@gmail.com Tel.: +966 561303088.

Mohammad Idrees, Department at Aligarh Muslim University, India

Mohammad Idrees received his Ph.D. in chemical engineering
from IIT Kanpur. He is a professor of chemical engineering and chair -
person of the Department at Aligarh Muslim University, India. His
teaching experience spans more than three decades including those at
IIT Kanpur (as SRA and TA) and five years at University Technology
Malaysia, Kuala Lumpur, and Johor Bahru. Current activities of his
research group focus on hazardous waste management, nanocomposite
synthesis, mathematical modeling and simulation, reaction engineer -
ing, energy studies and process integration. He has been principal
investigator of many major research projects, has supervised 5 PhDs
and published numerous research papers in journals of international
repute. Email: idreesingenieur@gmail.com.

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Published

2017-10-23

How to Cite

Ahmad, F. ., Khaliq, A. ., & Idrees, M. (2017). Energetic and Exergetic Analyses of Biomass Derived Syngas for Triple Cycle Power Generation. Distributed Generation &Amp; Alternative Energy Journal, 32(4), 26–53. https://doi.org/10.13052/dgaej2156-3306.3242

Issue

2017: Vol 32 Iss 4

Section

Articles