NSF Org:	CBET Division of Chemical, Bioengineering, Environmental, and Transport Systems
Recipient:	VIRGINIA POLYTECHNIC INSTITUTE & STATE UNIVERSITY
Initial Amendment Date:	September 18, 1997
Latest Amendment Date:	January 11, 2000
Award Number:	9712047
Award Instrument:	Standard Grant
Program Manager:	Geoffrey Prentice CBET  Division of Chemical, Bioengineering, Environmental, and Transport Systems ENG  Directorate for Engineering
Start Date:	October 1, 1997
End Date:	September 30, 2001 (Estimated)
Total Intended Award Amount:	$270,000.00
Total Awarded Amount to Date:	$270,000.00
Funds Obligated to Date:	FY 1997 = $250,000.00 FY 1998 = $5,000.00 FY 2000 = $15,000.00
History of Investigator:	S. Ted Oyama (Principal Investigator) OYAMA@VT.EDU
Recipient Sponsored Research Office:	Virginia Polytechnic Institute and State University 300 TURNER ST NW BLACKSBURG VA  US  24060-3359 (540)231-5281
Sponsor Congressional District:	09
Primary Place of Performance:	Virginia Polytechnic Institute and State University 300 TURNER ST NW BLACKSBURG VA  US  24060-3359
Primary Place of Performance Congressional District:	09
Unique Entity Identifier (UEI):	QDE5UHE5XD16
Parent UEI:	X6KEFGLHSJX7
NSF Program(s):	Catalysis, AMERICAS PROGRAM
Primary Program Source:	app-0100  app-0197  app-0198
Program Reference Code(s):	0000, 5911, 5913, 9188, 9231, EGCH, OTHR
Program Element Code(s):	140100, 597700
Award Agency Code:	4900
Fund Agency Code:	4900
Assistance Listing Number(s):	47.041

ABSTRACT

Prof. Oyama will continue studying the low-temperature catalytic oxidation of organic compounds with ozone over transition metal oxide catalysts. Oxygenate and aromatic compounds, such as ethanol and toluene, will be oxidized competitively over Mn or Mo oxides supported on zirconia, titania, alumina and silica. The various supports will provide different reductibility - thus electron-accepting capability-to the oxides. The kinetics and mechanism of reactions, and the key steps determining selectivity will be studied by isotopic distribution. The adsorbed intermediates will be investigated by in situ laser Raman spectroscopy. The chemistry of oxidation with ozone will also be studied in separate flow reactor at high flow-rates on other oxides of interest. Oxides of Ti, V, Cr, Fe, Co and Ni, wash-coated on open-cell foam substrate, will be tested in terms of activity for low-temperature catalytic oxidation of VOC model compounds with ozone.

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