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Fundamental Studies of Water Pretreatment of Coal

Description: During the seventh quarter, water pretreatment experiments were done at lower pressures (1000 psig), with early H{sub 2}O injection or continuous H{sub 2}O injection, and with demineralized coals. In addition, a set of blank experiments was done with all four coals in helium at the following conditions: 350{degrees}C; 4000 psig; 20 minutes. An additional experiment was done with the Zap lignite at atmospheric pressure. Helium was used instead of nitrogen since it can be obtained in highly pure … more
Date: October 25, 1991
Creator: Serio, M. A.; Solomon, P. R.; Kroo, E.; Charpenay, S. & Bassilakis, R.
Partner: UNT Libraries Government Documents Department
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Fundamental Studies of Water Pretreatment of Coal. Seventh Quarterly Report, April 1, 1991--June 30, 1991

Description: During the seventh quarter, water pretreatment experiments were done at lower pressures (1000 psig), with early H{sub 2}O injection or continuous H{sub 2}O injection, and with demineralized coals. In addition, a set of blank experiments was done with all four coals in helium at the following conditions: 350{degrees}C; 4000 psig; 20 minutes. An additional experiment was done with the Zap lignite at atmospheric pressure. Helium was used instead of nitrogen since it can be obtained in highly pure … more
Date: October 25, 1991
Creator: Serio, M. A.; Solomon, P. R.; Kroo, E.; Charpenay, S. & Bassilakis, R.
Partner: UNT Libraries Government Documents Department
open access

Iodine Exchange Reaction

Description: This report discusses an analysis on the exchange reaction between iodine and unipositive iodine with pyridine.
Date: August 25, 1948
Creator: Kleinberg, Jacob & Sattizahn, James
Partner: UNT Libraries Government Documents Department
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Development of vanadium-phosphate catalysts for methanol production by selective oxidation of methane. Quarterly technical progress report 8, January--March, 1995

Description: Activities during this quarter focused on fine tuning of catalyst characterization and synthesis techniques. Improvements in catalyst activity test methods were also implemented but more remains to be done. Specific accomplishments include: improved characterization of vanadyl pyrophosphate (VPO) and Si promoted VPO by FTIR and FTIR of chemisorbed bases; several minor improvements in catalyst preparation technique resulting in enhanced catalyst yield, better control of catalyst composition, and… more
Date: May 25, 1995
Creator: McCormick, R.L.
Partner: UNT Libraries Government Documents Department
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