0

Full Content is available to subscribers

Subscribe/Learn More  >

Energy and Exergy Analysis of Gasifier-Based Coal-to-Fuel Systems

[+] Author Affiliations
Yunhua Zhu, Sriram Somasundaram, James W. Kemp

Pacific Northwest National Laboratory, Richland, WA

Paper No. ES2008-54106, pp. 321-330; 10 pages
doi:10.1115/ES2008-54106
From:
  • ASME 2008 2nd International Conference on Energy Sustainability collocated with the Heat Transfer, Fluids Engineering, and 3rd Energy Nanotechnology Conferences
  • ASME 2008 2nd International Conference on Energy Sustainability, Volume 1
  • Jacksonville, Florida, USA, August 10–14, 2008
  • Conference Sponsors: Advanced Energy Systems Division and Solar Energy Division
  • ISBN: 978-0-7918-4319-2 | eISBN: 0-7918-3832-3
  • Copyright © 2008 by ASME

abstract

Interests in coal-to-liquid (CTL) and other fuels have grown greatly in the last couple of years with steadily increasing oil prices. National energy security concerns related to liquid transportation fuels also have revived interests in alternative liquid fuel sources. Coal-to-fuel technologies feature high efficiency energy conversion and environmental advantages. While a number of factors are driving coal-to-fuel projects forward, there are several barriers to wide commercialization, such as financial, construction, operation, and technical risks. The purpose of this study is to investigate the performance features of CTL and other coal-to-fuel systems based on different gasification technologies. The target products are Fischer-Tropsch (F-T) crude and synthesis natural gas (SNG). Two types of entrained-flow gasifier based coal-to-fuel systems are simulated and their performance features are discussed. One is single-stage water quench (WQ) cooling entrained-flow gasifier, and another is two-stage syngas cooling (SC) entrained-flow gasifier. The conservation of energy (first law of thermodynamics) and the quality of energy (second law of thermodynamics) for the systems are both investigated. The results of exergy analysis provide insights about the potential targets for technology improvement. The features of different gasifier-based coal-to-fuel systems are discussed. The results provide information about the research and development priorities in future.

Copyright © 2008 by ASME
Topics: Fuels , Coal , Exergy analysis

Figures

Tables

Interactive Graphics

Video

Country-Specific Mortality and Growth Failure in Infancy and Yound Children and Association With Material Stature

Use interactive graphics and maps to view and sort country-specific infant and early dhildhood mortality and growth failure data and their association with maternal

NOTE:
Citing articles are presented as examples only. In non-demo SCM6 implementation, integration with CrossRef’s "Cited By" API will populate this tab (http://www.crossref.org/citedby.html).

Some tools below are only available to our subscribers or users with an online account.

Related Content

Customize your page view by dragging and repositioning the boxes below.

Related eBook Content
Topic Collections

Sorry! You do not have access to this content. For assistance or to subscribe, please contact us:

  • TELEPHONE: 1-800-843-2763 (Toll-free in the USA)
  • EMAIL: asmedigitalcollection@asme.org
Sign In