Sorbents for Mercury Capture from Fuel Gas with Application to Gasification Systems
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- 作者：Evan J. Granite ; Christina R. Myers ; William P. King ; Dennis C. Stanko ; and Henry W. Pennline
- 刊名：Industrial & Engineering Chemistry Research
- 出版年：2006
- 出版时间：June 21, 2006
- 年：2006
- 卷：45
- 期：13
- 页码：4844 - 4848
- 全文大小：40K
- 年卷期：v.45,no.13(June 21, 2006)
- ISSN：1520-5045
文摘
In regard to gasification for power generation, the removal of mercury by sorbents at elevated temperaturespreserves the higher thermal efficiency of the integrated gasification combined cycle system. Unfortunately,most sorbents display poor capacity for elemental mercury at elevated temperatures. Previous experiencewith sorbents in flue gas has allowed for judicious selection of potential high-temperature candidate sorbents.The capacities of many sorbents for elemental mercury from nitrogen, as well as from four different simulatedfuel gases at temperatures of 204-371 
C, have been determined. The simulated fuel gas compositions containvarying concentrations of carbon monoxide, hydrogen, carbon dioxide, moisture, and hydrogen sulfide.Promising high-temperature sorbent candidates have been identified. Palladium sorbents seem to be the mostpromising for high-temperature capture of mercury and other trace elements from fuel gases. A collaborativeresearch and development agreement has been initiated between the Department of Energy's National EnergyTechnology Laboratory (NETL) and Johnson Matthey for optimization of the sorbents for trace element capturefrom high-temperature fuel gas. Future directions for mercury sorbent development for fuel gas applicationwill be discussed.
C, have been determined. The simulated fuel gas compositions containvarying concentrations of carbon monoxide, hydrogen, carbon dioxide, moisture, and hydrogen sulfide.Promising high-temperature sorbent candidates have been identified. Palladium sorbents seem to be the mostpromising for high-temperature capture of mercury and other trace elements from fuel gases. A collaborativeresearch and development agreement has been initiated between the Department of Energy's National EnergyTechnology Laboratory (NETL) and Johnson Matthey for optimization of the sorbents for trace element capturefrom high-temperature fuel gas. Future directions for mercury sorbent development for fuel gas applicationwill be discussed.