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Catalytic coating for reduced coke formation in steam cracking reactors

Carl Schietekat (UGent) , Sarris Sarris (UGent) , Pieter Reyniers (UGent) , L Kool, W Peng, P Lucas, Kevin Van Geem (UGent) and Guy Marin (UGent)
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Abstract
A novel catalytic coating that converts coke to carbon oxides through a reaction with steam has been developed. Several coating formulations were tested in a jet-stirred reactor setup, and the best performing formulation was further evaluated in a pilot plant setup. Application of the coating during steam cracking of ethane at industrially relevant conditions resulted in a reduction of the asymptotic coking rate by 76%. The coating activity remained constant over several coking/decoking cycles. Coupled furnace-reactor run length simulations of an industrial ethane cracking unit were performed and resulted in an increase of the run length by a factor of 6. However, the simulated CO2 yield is higher than the design value of a typical caustic tower.
Keywords
HIGH-EMISSIVITY COATINGS, COMPUTATIONAL FLUID-DYNAMICS, DIMETHYL DISULFIDE, NAPHTHA PYROLYSIS, REACTION-KINETICS, SULFUR-COMPOUNDS, RUN-LENGTH, HYDROCARBONS, SIMULATION, FURNACE

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Citation

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Chicago
Schietekat, Carl, Stamatis Sarris, Pieter Reyniers, L Kool, W Peng, P Lucas, Kevin Van Geem, and Guy Marin. 2015. “Catalytic Coating for Reduced Coke Formation in Steam Cracking Reactors.” Industrial & Engineering Chemistry Research 54 (39): 9525–9535.
APA
Schietekat, C., Sarris, S., Reyniers, P., Kool, L., Peng, W., Lucas, P., Van Geem, K., et al. (2015). Catalytic coating for reduced coke formation in steam cracking reactors. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH, 54(39), 9525–9535.
Vancouver
1.
Schietekat C, Sarris S, Reyniers P, Kool L, Peng W, Lucas P, et al. Catalytic coating for reduced coke formation in steam cracking reactors. INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH. 2015;54(39):9525–35.
MLA
Schietekat, Carl, Stamatis Sarris, Pieter Reyniers, et al. “Catalytic Coating for Reduced Coke Formation in Steam Cracking Reactors.” INDUSTRIAL & ENGINEERING CHEMISTRY RESEARCH 54.39 (2015): 9525–9535. Print.
@article{7036852,
  abstract     = {A novel catalytic coating that converts coke to carbon oxides through a reaction with steam has been developed. Several coating formulations were tested in a jet-stirred reactor setup, and the best performing formulation was further evaluated in a pilot plant setup. Application of the coating during steam cracking of ethane at industrially relevant conditions resulted in a reduction of the asymptotic coking rate by 76\%. The coating activity remained constant over several coking/decoking cycles. Coupled furnace-reactor run length simulations of an industrial ethane cracking unit were performed and resulted in an increase of the run length by a factor of 6. However, the simulated CO2 yield is higher than the design value of a typical caustic tower.},
  author       = {Schietekat, Carl and Sarris, Sarris and Reyniers, Pieter and Kool, L and Peng, W and Lucas, P and Van Geem, Kevin and Marin, Guy},
  issn         = {0888-5885},
  journal      = {INDUSTRIAL \& ENGINEERING CHEMISTRY RESEARCH},
  language     = {eng},
  number       = {39},
  pages        = {9525--9535},
  title        = {Catalytic coating for reduced coke formation in steam cracking reactors},
  url          = {http://dx.doi.org/10.1021/acs.iecr.5b02263},
  volume       = {54},
  year         = {2015},
}

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