Catalytic conversion of light alkanes. Final report, January 1, 1990--October 31, 1994

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During the course of the first three years of the Cooperative Agreement (Phase I-III), we uncovered a family of metal perhaloporphyrin complexes which had unprecedented activity for the selective air-oxidation of fight alkanes to alcohols. The reactivity of fight hydrocarbon substrates with air or oxygen was in the order: isobutane>propane>ethane>methane, in accord with their homolytic bond dissociation energies. Isobutane was so reactive that the proof-of concept stage of a process for producing tert-butyl alcohol from isobutane was begun (Phase V). It was proposed that as more active catalytic systems were developed (Phases IV, VI), propane, then ethane and finally methane ... continued below

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212 p.

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Creator: Unknown. December 31, 1998.

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Description

During the course of the first three years of the Cooperative Agreement (Phase I-III), we uncovered a family of metal perhaloporphyrin complexes which had unprecedented activity for the selective air-oxidation of fight alkanes to alcohols. The reactivity of fight hydrocarbon substrates with air or oxygen was in the order: isobutane>propane>ethane>methane, in accord with their homolytic bond dissociation energies. Isobutane was so reactive that the proof-of concept stage of a process for producing tert-butyl alcohol from isobutane was begun (Phase V). It was proposed that as more active catalytic systems were developed (Phases IV, VI), propane, then ethane and finally methane oxidations will move into this stage (Phases VII through IX). As of this writing, however, the program has been terminated during the later stages of Phases V and VI so that further work is not anticipated. We made excellent progress during 1994 in generating a class of less costly new materials which have the potential for high catalytic activity. New routes were developed for replacing costly perfluorophenyl groups in the meso-position of metalloporphyrin catalysts with far less expensive and lower molecular weight perfluoromethyl groups.

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212 p.

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OSTI as DE96011336

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  • Other Information: PBD: [1998]

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  • Other: DE96011336
  • Report No.: DOE/MC/26029--5274
  • Grant Number: FC21-90MC26029
  • DOI: 10.2172/589274 | External Link
  • Office of Scientific & Technical Information Report Number: 589274
  • Archival Resource Key: ark:/67531/metadc691732

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  • December 31, 1998

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  • Aug. 14, 2015, 8:43 a.m.

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  • Nov. 10, 2015, 7:13 p.m.

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Catalytic conversion of light alkanes. Final report, January 1, 1990--October 31, 1994, report, December 31, 1998; United States. (digital.library.unt.edu/ark:/67531/metadc691732/: accessed October 18, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.