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Techno-Economic Analysis of Methane Pyrolysis in Molten Metals: Decarbonizing Natural Gas

Journal Article · · Chemical Engineering and Technology
 [1];  [2];  [3];  [4];  [5]
  1. Univ. of Queensland, Brisbane, QLD (Australia); DOE/OSTI
  2. Loughborough Univ. (United Kingdom)
  3. Univ. of Queensland, Brisbane, QLD (Australia)
  4. Univ. of California, Santa Barbara, CA (United States)
  5. Univ. of Queensland, Brisbane, QLD (Australia); Univ. of California, Santa Barbara, CA (United States)
In this work, methane pyrolysis using a molten metal process to produce hydrogen is compared to steam methane reforming (SMR) for the industrial production of hydrogen. Capital and operating cost models for pyrolysis and SMR were used to generate cash-flow and production costs for several different molten pyrolysis systems. The economics were most sensitive to the methane conversion and the value obtained for the solid carbon by-product. The pyrolysis system at 1500 °C is competitive with a carbon tax of $$\$$78 t^{-1}$; however, if a catalytic process at 1000 °C were developed using a conventional fired heater, it would be competitive with SMR without a carbon dioxide cost penalty. Several pyrolysis alternatives become competitive with increasing carbon dioxide taxes.
Research Organization:
Univ. of California, Santa Barbara, CA (United States)
Sponsoring Organization:
USDOE; USDOE Office of Science (SC), Basic Energy Sciences (BES)
Grant/Contract Number:
FG02-89ER14048
OSTI ID:
1533129
Alternate ID(s):
OSTI ID: 1400609
Journal Information:
Chemical Engineering and Technology, Journal Name: Chemical Engineering and Technology Journal Issue: 6 Vol. 40; ISSN 0930-7516
Publisher:
WileyCopyright Statement
Country of Publication:
United States
Language:
English

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Cited By (3)

The pyrolysis of natural gas: A study of carbon deposition and the suitability of reactor materials journal December 2018
Hydrogenation of Inorganic Metal Carbonates: A Review on Its Potential for Carbon Dioxide Utilization and Emission Reduction journal August 2018
Catalytic molten metals for the direct conversion of methane to hydrogen and separable carbon journal November 2017

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