Fundamental studies of catalytic processing of synthetic liquids. Quarterly progress report, January 1, 1992--March 31, 1992 [electronic resource].
- Published:
- Washington, D.C. : United States. Dept. of Energy, 1992.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy. - Physical Description:
- 9 pages : digital, PDF file
- Additional Creators:
- United States. Department of Energy and United States. Department of Energy. Office of Scientific and Technical Information
Access Online
- Restrictions on Access:
- Free-to-read Unrestricted online access
- Summary:
- This project revolves around understanding the fundamental processes involved in the catalytic removal of harmful oxygenated organics present in coal liquids. We are modelling the complex type of sulfided Mo catalyst proposed for these reactions with simple single crystal surfaces. These display a controlled range and number of reaction sites and can be extensively characterized by surface science techniques. We then investigate the reaction pathways for representative simple oxygenates upon these surfaces. We have made considerable progress in characterizing the adsorption site of sulfur on the Mo(110) surface. The sulfur is probably located in the quasi-fourfold center hollow site on the surface at a vertical distance of about 1.5Å above the topmost metal layer. At present the calculations assume no reconstruction of the metal layer and this tentative finding may change when we allow the metal to reconstruct. We have also progressed in our understanding of the reactions of furan on these surfaces. The data is therefore consistent with propane adsorption being hindered relative to either ethylene or furan, but the release of hydrogen from adsorbed furan is a higher energy process than the equivalent process for a simple hydrocarbon. The effect of preadsorbed S on furan and hydrocarbon adsorption is consistent with an adsorption site blocking role.
- Report Numbers:
- E 1.99:doe/pc/89783--t10
doe/pc/89783--t10 - Subject(s):
- Other Subject(s):
- Note:
- Published through SciTech Connect.
04/23/1992.
"doe/pc/89783--t10"
"DE94008174"
"AA1525050"
Watson, P.R.
Oregon State Univ., Corvallis, OR (United States) - Type of Report and Period Covered Note:
- Quarterly; 01/01/1992 - 03/31/1992
- Funding Information:
- FG22-89PC89783
View MARC record | catkey: 13837882