NDLI: Thermodynamic Analysis of a Novel Process With Integrated CO2 Capture for the Production of Electric Power and Hydrogen

Content Provider	The American Society of Mechanical Engineers (ASME) Digital Collection
Author	Tsatsaronis, George Kapanke, Kerstin
Copyright Year	2005
Abstract	This paper presents a detailed description and thermodynamic analysis of a novel process generating electric energy and hydrogen, i. e. two important energy products for the future. Coal and high-temperature heat are used as input energy to the process. The process is a true “zero emission process” because (a) no NOX is formed during coal combustion with sulfuric acid, and (b) the combustion products SO2 and CO2 are removed as compressed liquids from the overall process. The commercial process simulator Aspen Plus was used for the thermodynamic modeling of this process. Detailed results of the simulation are presented. The overall process is characterized by very high energetic and exergetic efficiencies in comparison with other energy conversion systems in which electric power or hydrogen are generated using the same energy inputs. The influence of important process parameters, e.g. the concentration of the sulfuric acid solution on the overall efficiency is discussed. The evaluation of the thermodynamic performance of the process, which is based on a detailed exergetic analysis, represents the first step in a comprehensive evaluation of this concept to be conducted in the future.
Sponsorship	Advanced Energy Systems Division
Starting Page	257
Ending Page	264
Page Count	8
File Format	PDF
ISBN	0791842118
DOI	10.1115/IMECE2005-79785
e-ISBN	0791837696
Volume Number	Advanced Energy Systems
Conference Proceedings	ASME 2005 International Mechanical Engineering Congress and Exposition
Language	English
Publisher Date	2005-11-05
Publisher Place	Orlando, Florida, USA
Access Restriction	Subscribed
Subject Keyword	Hydrogen Carbon dioxide Combustion High temperature Modeling Electricity (physics) Emissions Heat Simulation Coal Energy conversion Nitrogen oxides Carbon capture and storage
Content Type	Text
Resource Type	Article

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