New process for coke-oven gas desulfurization
Journal Article
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· Iron and Steel Engineer
OSTI ID:131720
- Citizens Gas and Coke Utility, Indianapolis, IN (United States)
With the EPA reclassifying spent iron oxide as a hazardous waste material in 1990, an alternative technology was sought for desulfurizing coke-oven gas. Vacasulf technology was adopted for reasons that included: producing of coke battery heating gas without further polishing and high-quality elemental sulfur; lowest operating cost in comparison with other methods; no waste products; and integrates with existing ammonia destruction facility. Vacasulf requires a single purchased material, potassium hydroxide, that reacts with carbon dioxide in coke-oven gas to form potassium carbonate which, in turn, absorbs hydrogen sulfide. Operation of the system has been successful following the resolution of relatively minor start-up problems.
- OSTI ID:
- 131720
- Journal Information:
- Iron and Steel Engineer, Journal Name: Iron and Steel Engineer Journal Issue: 10 Vol. 72; ISSN IRSEA5; ISSN 0021-1559
- Country of Publication:
- United States
- Language:
- English
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