Metal sorbents for high temperature mercury capture from fuel gas

被引:105
作者
Poulston, Stephen [1 ]
Granite, Evan J.
Pennline, Henry W.
Myers, Christina R.
Stanko, Dennis P.
Hamilton, Hugh
Rowsell, Liz
Smith, Andrew W. J.
Ilkenhans, Thomas
Chu, Wilson
机构
[1] Johnson Matthey Technol Ctr, Reading RG4 9NH, Berks, England
[2] US DOE, Natl Energy Technol Lab, Pittsburgh, PA 15236 USA
[3] Stationary Source Emiss Control, Malvern, PA 19382 USA
关键词
mercury; coal; gasification;
D O I
10.1016/j.fuel.2007.05.015
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
have determined the Hg removal capacities of Pt and Pd supported on alumina at a range of different metal loadings from 2 to 9 wt%,, using Hg vapour in a simulated fuel gas feed. In the temperature range studied (204-388 degrees C) Pd proved far superior to Pt for Hg removal. The Hg removal capacity for both Pt and Pd increased with metal loading, though decreased with sorbent temperature. A shift in the 20 position of the Pd XRD diffraction peak from 82.1 to 79.5 after Hg adsorption at 204 degrees C was consistent with the formation of a solid solution of fig in Pd. (c) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码:2201 / 2203
页数:3
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