H2S-removal Processes for Low-BTU Coal Gas PDF Download
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Author: M. S. Edwards
Publisher:
ISBN:
Category : Gases
Languages : en
Pages : 232
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Book Description
Author: M. S. Edwards
Publisher:
ISBN:
Category : Gases
Languages : en
Pages : 232
Get Book Here
Book Description
Author: M. S. Edwards
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Book Description
Author:
Publisher:
ISBN:
Category : Gases
Languages : en
Pages :
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Book Description
Author: M. S. Edwards
Publisher:
ISBN:
Category : Hydrogen sulfide
Languages : en
Pages : 216
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Book Description
Author: Sidney Katell
Publisher:
ISBN:
Category : Air
Languages : en
Pages : 52
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Book Description
Author: Russell F. Robards
Publisher:
ISBN:
Category : Coal
Languages : en
Pages : 19
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Book Description
Author: Jiang Wu
Publisher: Springer
ISBN: 9811068178
Category : Science
Languages : en
Pages : 162
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Book Description
This book provides extensive information on high-temperature H2S removal for integrated gasification combined cycle (IGCC) coarse gas, together with briefly introductions to the concept of clean coal technology, and to the mechanism and kinetics of hot coal gas desulfurizers. Readers will gain a comprehensive understanding of available control methods for high-temperature H2S removal in IGCC coarse gas and how the technology has been adopted by industry. As such, the book offers a unique resource for researchers and engineers in the fields of energy science and technology, environmental science and technology, and chemical engineering.
Author: Russell F. Robards
Publisher:
ISBN:
Category : Desulfurization
Languages : en
Pages : 104
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Book Description
Author: L. H. Moore
Publisher:
ISBN:
Category : Coal gasification
Languages : en
Pages : 104
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
Coal may be used to generate electrical energy by any of several processes, most of which involve combustion or gasification. Combustion in a coal-fired boiler and power generation using a steam- cycle is the conventional conversion method; however, total energy conversion efficiencies for this type of process are only slightly over 30%. Integration of a gas-cycle in the process (combined cycle) may increase the total conversion efficiency to 40%. Conversion processes based on gasification offer efficiencies above 50%. H2S is the predominant gaseous contaminant in raw coal gas. Problems arise due to the corrosive nature of H2S on metal components contained in these cycles. Because of this, H2S concentrations must be reduced to low levels corresponding to certain power applications. An advanced process for the separation of hydrogen sulfide (H2S) from coal gasification product streams through an electrochemical membrane is being developed using funds from this grant. Past experiments using this concept dealt with identifying removal of 1-2% H2S from gases containing only H2S in N2, simulated natural gas, and simulated coal gas. Other goals include optimization of cell materials capable of improving cell performance. Once cell materials are defined, cell experiments determining maximum removal capabilities and current efficiencies will be conducted. Also, a model theoretically describing the preferred reduction of H2S, the transport of S2−, and the competing transport of CO2 will be investigated. The model should identify the maximum current efficiency for H2S removal, depending on variables such as flow rate, temperature, current application, and the total cell potential. 21 refs., 10 figs., 9 tabs.
