A Heat Exchanger Process for Removal of H{sub2}S Gas

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A heat exchanger process has been developed for the removal of H{sub 2}S and other noncondensable gases from geothermal steam. The process utilizes a heat exchanger to condense water from geothermal steam while allowing H{sub 2}S and other noncondensable gases to pass through in the vapor phase. The condensed water is evaporated to form a clean steam from which over 90 percent of the H{sub 2}S and other noncondensable gases have been removed. Some of the important advantages of the heat exchanger process are shown in Table 1. The system can be located upstream of a power plant turbine which ... continued below

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3-18-3-27

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Coury, Glenn E.; Babione, Robert A. & Gosik, Robert J. December 1, 1980.

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Description

A heat exchanger process has been developed for the removal of H{sub 2}S and other noncondensable gases from geothermal steam. The process utilizes a heat exchanger to condense water from geothermal steam while allowing H{sub 2}S and other noncondensable gases to pass through in the vapor phase. The condensed water is evaporated to form a clean steam from which over 90 percent of the H{sub 2}S and other noncondensable gases have been removed. Some of the important advantages of the heat exchanger process are shown in Table 1. The system can be located upstream of a power plant turbine which eliminates much of the potential for corrosion, as well as the requirement for removing H{sub 2}S from water collected in the main condenser. Since almost all noncondensables are removed, much less steam is needed for air ejector operation. The heat exchanger process is simple: it has no chemical addition requirements or sludge by-products and utilizes standard equipment found in many power plant applications. The regular power plant operators and maintenance crews can easily understand and run the system with minimal attention. Capital and operating costs are competitive with those for currently available H{sub 2}S-abatement technology, although significant economic advantages over downstream abatement processes may result due to the use of clean steam in the turbines.

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3-18-3-27

Source

  • Proceedings of the Fourth Annual Geothermal Conference and Workshop, Conference Proceedings, December 1980

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  • Report No.: EPRI-TC-80-907-7
  • Grant Number: None
  • Office of Scientific & Technical Information Report Number: 892083
  • Archival Resource Key: ark:/67531/metadc873341

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Office of Scientific & Technical Information Technical Reports

Reports, articles and other documents harvested from the Office of Scientific and Technical Information.

Office of Scientific and Technical Information (OSTI) is the Department of Energy (DOE) office that collects, preserves, and disseminates DOE-sponsored research and development (R&D) results that are the outcomes of R&D projects or other funded activities at DOE labs and facilities nationwide and grantees at universities and other institutions.

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Creation Date

  • December 1, 1980

Added to The UNT Digital Library

  • Sept. 21, 2016, 2:29 a.m.

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  • Dec. 5, 2016, 7:18 p.m.

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Coury, Glenn E.; Babione, Robert A. & Gosik, Robert J. A Heat Exchanger Process for Removal of H{sub2}S Gas, article, December 1, 1980; United States. (digital.library.unt.edu/ark:/67531/metadc873341/: accessed September 22, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.