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- W343456108 abstract "We recently discovered that polynuclear heteroaromatic nitrogen compounds can be selectively reduced only in the nitrogen containing ring and have now turned our attention towards the cleavage of the carbon nitrogen bonds in this reduced ring. We are currently focusing on the use of highly loaded, supported nickel catalysts for the hydrodenitrogenation of the selectively reduced aromatic, 1,2,3,4-tetrahydroquinoline, as well as for the HDN of quinoline. The conditions we are investigating are mild, i.e., 1 atm hydrogen at 200/sup 0/C to 300/sup 0/C. We need to further characterize all of the products being formed in these reactions, both liquids and gases. We also need to determine the kinetics of the various reactions involved in the HDN process. We are currently planning to construct a new reactor system that will allow for on-line product sampling (both gas and liquid) and so facilitate the above studies. Highlights for this quarter are: (1) the Xytel semiautomated reactor system was modified, such that we can now study the various parameter of the HDN reaction we discovered with a commercial 50% nickel oxide catalyst supported on silica/alumina; (2) the important parameters we intend to study with the Xytel unit include kinetics of product formation asmore » a function of residence time, partial pressure of hydrogen, catalyst concentration, etc.; and (3) preliminary findings with quinoline as the substrate reveal significant product distributions as a function of residence time and will allow pertinent data to be obtained concerning the HDN reaction with the 50% nickel oxide catalyst.« less" @default.
- W343456108 created "2016-06-24" @default.
- W343456108 creator A5034701902 @default.
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- W343456108 date "1986-06-01" @default.
- W343456108 modified "2023-09-27" @default.
- W343456108 title "Chemistry and morphology of coal liquefaction. Quarterly report, April 1, 1986-July 1, 1986. [1,2,3,4-tetrahydroquinoline and quinoline]" @default.
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