Status of coal gasification

Journal Article · Wed Dec 31 23:00:00 EST 1975 · Environ. Sci. Technol.; (United States)

DOI:https://doi.org/10.1021/es60112a002· OSTI ID:7301901

Tillman, D A

A survey was made of economic and environmental trade-offs, in terms of land disturbance from mining, and water consumption, to be considered in choosing the Wellman-Galusha, Koppers-Totzek, or Lurgi coal gasification processes. Performance maximization, in terms of process efficiency or water consumption, was found to be application specific and site specific. Relatively small energy requirements appear to be best met through application of the Wellman-Galusha system, if water is not scarce; large users may opt for the other systems. The Lurgi system is advantageous for electrical power generation because its pressure enhances the economics of combined cycle plants. If methanation becomes the dominant mode because of an existing transportation network, the Lurgi units profit from their somewhat higher efficiencies. However, Koppers-Totzek units require less water. Descriptions of process technologies, system efficiencies, and water consumption for each of the processes are presented.

• OSTI ID: 7301901
• Journal Information: Environ. Sci. Technol.; (United States), Journal Name: Environ. Sci. Technol.; (United States) Vol. 10:1; ISSN ESTHA
• Country of Publication: United States
• Language: English

Related Subjects

01 COAL, LIGNITE, AND PEAT
010404* -- Coal
Lignite
& Peat-- Gasification
COAL GASIFICATION
COAL GASIFICATION PLANTS
COMPARATIVE EVALUATIONS
ECONOMICS
ENVIRONMENTAL IMPACTS
GASIFICATION
INDUSTRIAL PLANTS
KOPPERS-TOTZEK PROCESS
LURGI PROCESS
THERMOCHEMICAL PROCESSES
WATER REQUIREMENTS
WELLMAN-GALUSHA PROCESS