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Dry syngas purification processes for coal gasification systems
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Main Author: | |
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Corporate Author: | |
Format: | eBook |
Language: | English |
Published: |
Amsterdam :
Elsevier,
[2021]
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Physical Description: |
1 online resource (290 pages) |
Subjects: | |
Online Access: | Elsevier - Click here for access |
Contents:
- Front Cover
- Dry Syngas Purification Processes for Coal Gasification Systems
- Dry Syngas Purification Processes for Coal Gasification Systems
- Copyright
- Contents
- Preface
- Acknowledgments
- 1
- Introduction
- 1.1 Coal-derived syngas
- 1.2 Requirement for syngas cleaning for coal gasification systems
- 1.3 Wet syngas purification process
- 1.4 History of dry syngas purification processes
- 1.4.1 Basic strategy for developing dry sulfur removal process
- 1.4.2 Research history of candidates for dry sulfur removal sorbent
- 1.4.2.1 Sulfur removal performance.
- 1.4.2.2 Sorbent stability and regenerability
- 1.4.2.3 Binary oxide with sorbent stability
- 1.4.2.4 Moderate-temperature application of zinc ferrite
- 1.4.3 Research history of removal of various impurities in syngas
- 1.4.3.1 Hydrogen halides
- 1.4.3.2 Metal carbonyls
- 1.4.3.3 Nitrogen compounds
- 1.4.3.4 Alkali metals
- 1.4.3.5 Heavy metals
- 1.4.3.6 Tars
- 1.4.3.7 Remaining oxygen
- 1.4.3.8 Other trace elements
- 1.4.3.9 Summary of this section
- 1.5 Tasks to develop a dry syngas purification process
- References
- 2
- Advantages of dry syngas purification.
- 2.1 Retaining sensible heat and steam concentration
- 2.2 Simultaneous removal and separation of impurities
- 2.3 Lower reproduction of wastes
- 2.4 Elimination of wastewater treatment
- 2.5 Compact plant size
- References
- 3
- Measurement of impurities in syngas
- 3.1 Syngas composition and moisture
- 3.2 Sulfur compounds
- 3.3 Halides
- 3.4 Ammonia and nitrogen compounds
- 3.5 Mercury
- 3.6 Other expected impurities and status of identification
- 3.7 Related gas analyzer for process control
- References
- 4
- Development of sorbents used in dry syngas purification.
- 4.1 Metal oxide-based sulfur removal sorbents
- 4.1.1 Basic chemistry of zinc ferrite sorbent
- 4.1.1.1 Terms of step procedure in cyclic operation
- 4.1.1.2 Terms of chemical reaction in cyclic operation
- 4.1.1.3 Related terms
- 4.1.2 Preparation of zinc ferrite-based reactant material
- 4.1.3 Molding of honeycomb structure of zinc ferrite sorbent
- 4.2 Alkali metal-based halide removal sorbents
- 4.2.1 Basic chemistry of halide removal sorbent
- 4.2.2 Production of halide removal sorbent
- 4.3 Sorbents for mercury and other trace elements
- 4.4 Countermeasures for side reactions.
- 6
- Process development.