ATTRITION RESISTANT IRON-BASED FISCHER-TROPSCH CATALYSTS

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Description

Fischer-Tropsch (FT) synthesis to convert syngas (CO + H{sub 2}) derived from natural gas or coal to liquid fuels and wax is a well-established technology. For low H{sub 2} to CO ratio syngas produced from CO{sub 2} reforming of natural gas or from gasification of coal, the use of Fe catalysts is attractive because of their high water gas shift activity in addition to their high FT activity. Fe catalysts are also attractive due to their low cost and low methane selectivity. Because of the highly exothermic nature of the FT reaction, there has been a recent move away from ... continued below

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118 pages

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Jothimurugesan, K.; James G. Goodwin, Jr. & Gangwal, Santosh K. October 1, 1999.

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Description

Fischer-Tropsch (FT) synthesis to convert syngas (CO + H{sub 2}) derived from natural gas or coal to liquid fuels and wax is a well-established technology. For low H{sub 2} to CO ratio syngas produced from CO{sub 2} reforming of natural gas or from gasification of coal, the use of Fe catalysts is attractive because of their high water gas shift activity in addition to their high FT activity. Fe catalysts are also attractive due to their low cost and low methane selectivity. Because of the highly exothermic nature of the FT reaction, there has been a recent move away from fixed-bed reactors toward the development of slurry bubble column reactors (SBCRs) that employ 30 to 90 {micro}m catalyst particles suspended in a waxy liquid for efficient heat removal. However, the use of FeFT catalysts in an SBCR has been problematic due to severe catalyst attrition resulting in fines that plug the filter employed to separate the catalyst from the waxy product. Fe catalysts can undergo attrition in SBCRs not only due to vigorous movement and collisions but also due to phase changes that occur during activation and reaction.

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118 pages

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OSTI as DE00800764

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  • Other Information: PBD: 1 Oct 1999

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  • Report No.: FG22-96PC96217--06
  • Grant Number: FG22-96PC96217
  • DOI: 10.2172/800764 | External Link
  • Office of Scientific & Technical Information Report Number: 800764
  • Archival Resource Key: ark:/67531/metadc737914

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  • October 1, 1999

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  • Oct. 19, 2015, 7:39 p.m.

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  • March 24, 2016, 5:39 p.m.

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Jothimurugesan, K.; James G. Goodwin, Jr. & Gangwal, Santosh K. ATTRITION RESISTANT IRON-BASED FISCHER-TROPSCH CATALYSTS, report, October 1, 1999; Pittsburgh, Pennsylvania. (digital.library.unt.edu/ark:/67531/metadc737914/: accessed January 21, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.