Hydrocarbon autothermal reforming program. Final technical report, 28 September 1979-31 October 1981

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The goal of the PSI program was to understand the mechanisms of the formation of carbon deposits under conditions relevant to authothermal reformers (ATR). The first year of this two year program was dedicated almost entirely to investigations of gas phase soot formation. It was speculated that soot could form in the gas phase and deposit downstream in the catalyst bed. A high temperature experimental test rig was constructed and comptuer models developed to aid in understanding this process. The conclusion of these studies is that soot does not form in the gas phase upstream of the catalyst bed, under ... continued below

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Pages: 139

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Ham, D.O.; Lewis, P.F.; Lord, G.W.; Yarrington, R.M. & Hwang, H.S. February 1, 1982.

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Description

The goal of the PSI program was to understand the mechanisms of the formation of carbon deposits under conditions relevant to authothermal reformers (ATR). The first year of this two year program was dedicated almost entirely to investigations of gas phase soot formation. It was speculated that soot could form in the gas phase and deposit downstream in the catalyst bed. A high temperature experimental test rig was constructed and comptuer models developed to aid in understanding this process. The conclusion of these studies is that soot does not form in the gas phase upstream of the catalyst bed, under ATR conditions, at least, not under well mixed conditions. In the second year, the program was redirected to study carbon formation processes on surfaces and to perform testing and analysis of Engelhard's six inch ATR rig. This work has resulted in an operational computer code for use in modeling the Engelhard ATR. This code requires rate constant information for performance prediction. The PSI laboratory experiments have shown that coke formation on surfaces of nickel catalysts is very rapid, particularly from olefins. Filamentary carbon was formed. Various relevant processes and their relative rates were studied on various nickel surfaces. Coke was not observed when precious metal catalysts were used. Testing on the Engelhard reactor was performed. These preliminary tests show that the Engelhard catalysts can be used to reform number two fuel oil with no problems associated with carbonaceous deposits. Some hydrocarbon breakthrough was observed, increasing at low oxygen to carbon ratio (0.355). These limited data clearly indicate a high potential for a useful ATR. Further testing and analysis are clearly necessary.

Physical Description

Pages: 139

Notes

NTIS, PC A07/MF A01.

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  • Other Information: Portions of this report are illegible

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  • Other: DE82011724
  • Report No.: DOE/MC/12734-1138
  • Grant Number: AC21-79MC12734
  • DOI: 10.2172/5359690 | External Link
  • Office of Scientific & Technical Information Report Number: 5359690
  • Archival Resource Key: ark:/67531/metadc1074066

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Office of Scientific & Technical Information Technical Reports

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Creation Date

  • February 1, 1982

Added to The UNT Digital Library

  • Feb. 4, 2018, 10:51 a.m.

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  • March 28, 2018, 1:45 p.m.

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Ham, D.O.; Lewis, P.F.; Lord, G.W.; Yarrington, R.M. & Hwang, H.S. Hydrocarbon autothermal reforming program. Final technical report, 28 September 1979-31 October 1981, report, February 1, 1982; United States. (digital.library.unt.edu/ark:/67531/metadc1074066/: accessed August 15, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.