Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst

Title: Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst

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Abstract

Experiments to study the cobalt-catalyzed and iron-catalyzed reactions of light 1-alkenes added to synthesis gas have been performed and analyzed. On cobalt, data have been obtained at 220{degrees}C, 0.45 to 1.48 MPA and a synthesis gas flow rate between 0.015 and 0.030 Nl/gcat/min with H{sub 2}/CO feeds of 1.45 to 2.25. On fused iron, data were collected at 248{degrees}C, 0.79 to 1.48 MPa and a synthesis gas flow rate between 0.005 and 0.030 Nl/gcat/min of H{sub 2}/CO feeds of 0.5 to 1.5 C{sub 2}H{sub 4}, C{sub 3}H{sub 6}, and 1-C{sub 4}H{sub 8} were added to the synthesis gas feed in concentrations ranging from 0.5 to 1.2 mol. % of total feed. 1-Alkenes incorporate into growing chains on the catalyst surface of both catalysts, probably by initiating and/or terminating the chain growth process. Only ethene is believed to propagate chain growth significantly. The propensity of the 1-alkenes to incorporate decreases with increasing carbon number of the 1-alkene. The double-{alpha} behavior which is exhibited by most Fischer-Tropsch catalysts can be explained as the sum of two growth processes, one stepwise single-carbon growth and the other 1-alkene incorporation. Both alkene addition study data and the effects of process variables on the selectivity ofmore »« less

Authors:: Chanenchuk, C A; Yates, I C; Satterfield, C N

Publication Date:: 1990-01-01

Research Org.:: Massachusetts Inst. of Tech., Cambridge, MA (USA)

Sponsoring Org.:: USDOE; USDOE, Washington, DC (USA)

OSTI Identifier:: 5568388

Report Number(s):: DOE/PC/79816-11
ON: DE91013913

DOE Contract Number:: AC22-87PC79816

Resource Type:: Technical Report

Country of Publication:: United States

Language:: English

Subject:: 01 COAL, LIGNITE, AND PEAT; COBALT; CATALYTIC EFFECTS; FISCHER-TROPSCH SYNTHESIS; CATALYSTS; IRON; ALKENES; PROGRESS REPORT; SHIFT PROCESSES; SYNTHESIS GAS; CHEMICAL REACTIONS; DOCUMENT TYPES; ELEMENTS; FLUIDS; GASES; HYDROCARBONS; METALS; ORGANIC COMPOUNDS; TRANSITION ELEMENTS; 010408* - Coal, Lignite, & Peat- C1 Processes- (1987-)

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                    Chanenchuk, C A, Yates, I C, and Satterfield, C N. Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst.  United States: N. p., 1990. 
        Web.

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                    Chanenchuk, C A, Yates, I C, & Satterfield, C N. Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst.  United States.

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                    Chanenchuk, C A, Yates, I C, and Satterfield, C N. Mon .  
        "Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst".  United States.

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@article{osti_5568388,

  title        = {Slurry phase Fischer-Tropsch synthesis: Cobalt plus a water-gas shift catalyst},

  author       = {Chanenchuk, C A and Yates, I C and Satterfield, C N},

  abstractNote = {Experiments to study the cobalt-catalyzed and iron-catalyzed reactions of light 1-alkenes added to synthesis gas have been performed and analyzed. On cobalt, data have been obtained at 220{degrees}C, 0.45 to 1.48 MPA and a synthesis gas flow rate between 0.015 and 0.030 Nl/gcat/min with H{sub 2}/CO feeds of 1.45 to 2.25. On fused iron, data were collected at 248{degrees}C, 0.79 to 1.48 MPa and a synthesis gas flow rate between 0.005 and 0.030 Nl/gcat/min of H{sub 2}/CO feeds of 0.5 to 1.5 C{sub 2}H{sub 4}, C{sub 3}H{sub 6}, and 1-C{sub 4}H{sub 8} were added to the synthesis gas feed in concentrations ranging from 0.5 to 1.2 mol. % of total feed. 1-Alkenes incorporate into growing chains on the catalyst surface of both catalysts, probably by initiating and/or terminating the chain growth process. Only ethene is believed to propagate chain growth significantly. The propensity of the 1-alkenes to incorporate decreases with increasing carbon number of the 1-alkene. The double-{alpha} behavior which is exhibited by most Fischer-Tropsch catalysts can be explained as the sum of two growth processes, one stepwise single-carbon growth and the other 1-alkene incorporation. Both alkene addition study data and the effects of process variables on the selectivity of Fischer-Tropsch catalysts can be explained within the framework of this theory. 19 refs., 12 figs., 2 tabs.},

  doi          = {},

  url          = {https://www.osti.gov/biblio/5568388},
  journal      = {},
number       = ,

  volume       = ,

  place        = {United States},

  year         = {1990},

  month        = {1}

}

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