Technoeconomic Evaluation of the Industrial Implementation of Catalytic Direct Nonoxidative Methane Coupling

Rolf S. Postma; Dylan J. Keijsper; Bart F. Morsink; Erwin H. Siegers; Muhammed E. E. Mercimek; Lance K. Nieukoop; H. van den Berg; A.G.J.  van der Ham; Leon Lefferts

doi:10.1021/acs.iecr.1c03572

Technoeconomic Evaluation of the Industrial Implementation of Catalytic Direct Nonoxidative Methane Coupling

Rolf S. Postma, Dylan J. Keijsper, Bart F. Morsink, Erwin H. Siegers, Muhammed E. E. Mercimek, Lance K. Nieukoop, H. van den Berg, A.G.J. van der Ham, Leon Lefferts^*

^*Corresponding author for this work

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Abstract

This paper presents a process design for catalytic nonoxidative natural gas conversion to olefins and aromatics, highlighting the opportunities and challenges concerning industrial implementation. The optimal reactor conditions are 5 bar and 1000 °C. Heat exchange over the reactor is challenging due to the high temperature and low gas pressure. Recovery of ethylene is economically unattractive due to the low ethylene concentration in the product stream, leading to a methane-to-aromatics process, recycling ethylene. Benzene is the most valuable product at an efficiency of 0.31 kgbenzene/kgmethane with hydrogen as a major valuable byproduct. Naphthalene, with a low value, is unfortunately the dominant product, at 0.52 kgnaphthalene/kgmethane. It is suggested to hydrocrack the naphthalene to more valuable BTX products in an additional downstream process. The process is calculated to result in a 107 $ profit per ton CH4.

Original language	English
Pages (from-to)	566-579
Number of pages	14
Journal	Industrial & engineering chemistry research
Volume	61
Issue number	1
Early online date	15 Dec 2021
DOIs	https://doi.org/10.1021/acs.iecr.1c03572
Publication status	Published - 12 Jan 2022

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Postma, R. S., Keijsper, D. J., Morsink, B. F., Siegers, E. H., Mercimek, M. E. E., Nieukoop, L. K., van den Berg, H., van der Ham, A. G. J., & Lefferts, L. (2022). Technoeconomic Evaluation of the Industrial Implementation of Catalytic Direct Nonoxidative Methane Coupling. Industrial & engineering chemistry research, 61(1), 566-579. https://doi.org/10.1021/acs.iecr.1c03572

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title = "Technoeconomic Evaluation of the Industrial Implementation of Catalytic Direct Nonoxidative Methane Coupling",

abstract = "This paper presents a process design for catalytic nonoxidative natural gas conversion to olefins and aromatics, highlighting the opportunities and challenges concerning industrial implementation. The optimal reactor conditions are 5 bar and 1000 °C. Heat exchange over the reactor is challenging due to the high temperature and low gas pressure. Recovery of ethylene is economically unattractive due to the low ethylene concentration in the product stream, leading to a methane-to-aromatics process, recycling ethylene. Benzene is the most valuable product at an efficiency of 0.31 kgbenzene/kgmethane with hydrogen as a major valuable byproduct. Naphthalene, with a low value, is unfortunately the dominant product, at 0.52 kgnaphthalene/kgmethane. It is suggested to hydrocrack the naphthalene to more valuable BTX products in an additional downstream process. The process is calculated to result in a 107 $ profit per ton CH4.",

author = "Postma, {Rolf S.} and Keijsper, {Dylan J.} and Morsink, {Bart F.} and Siegers, {Erwin H.} and Mercimek, {Muhammed E. E.} and Nieukoop, {Lance K.} and {van den Berg}, H. and {van der Ham}, A.G.J. and Leon Lefferts",

note = "Funding Information: The authors acknowledge support from the Dutch National Science Foundation (NWO) and the industrial partners SABIC, Sasol, and BASF. Publisher Copyright: {\textcopyright} 2021 The Authors. Published by American Chemical Society.",

year = "2022",

month = jan,

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doi = "10.1021/acs.iecr.1c03572",

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AU - Postma, Rolf S.

AU - Keijsper, Dylan J.

AU - Morsink, Bart F.

AU - Siegers, Erwin H.

AU - Mercimek, Muhammed E. E.

AU - Nieukoop, Lance K.

AU - van den Berg, H.

AU - van der Ham, A.G.J.

AU - Lefferts, Leon

N1 - Funding Information: The authors acknowledge support from the Dutch National Science Foundation (NWO) and the industrial partners SABIC, Sasol, and BASF. Publisher Copyright: © 2021 The Authors. Published by American Chemical Society.

PY - 2022/1/12

Y1 - 2022/1/12

N2 - This paper presents a process design for catalytic nonoxidative natural gas conversion to olefins and aromatics, highlighting the opportunities and challenges concerning industrial implementation. The optimal reactor conditions are 5 bar and 1000 °C. Heat exchange over the reactor is challenging due to the high temperature and low gas pressure. Recovery of ethylene is economically unattractive due to the low ethylene concentration in the product stream, leading to a methane-to-aromatics process, recycling ethylene. Benzene is the most valuable product at an efficiency of 0.31 kgbenzene/kgmethane with hydrogen as a major valuable byproduct. Naphthalene, with a low value, is unfortunately the dominant product, at 0.52 kgnaphthalene/kgmethane. It is suggested to hydrocrack the naphthalene to more valuable BTX products in an additional downstream process. The process is calculated to result in a 107 $ profit per ton CH4.

AB - This paper presents a process design for catalytic nonoxidative natural gas conversion to olefins and aromatics, highlighting the opportunities and challenges concerning industrial implementation. The optimal reactor conditions are 5 bar and 1000 °C. Heat exchange over the reactor is challenging due to the high temperature and low gas pressure. Recovery of ethylene is economically unattractive due to the low ethylene concentration in the product stream, leading to a methane-to-aromatics process, recycling ethylene. Benzene is the most valuable product at an efficiency of 0.31 kgbenzene/kgmethane with hydrogen as a major valuable byproduct. Naphthalene, with a low value, is unfortunately the dominant product, at 0.52 kgnaphthalene/kgmethane. It is suggested to hydrocrack the naphthalene to more valuable BTX products in an additional downstream process. The process is calculated to result in a 107 $ profit per ton CH4.

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Technoeconomic Evaluation of the Industrial Implementation of Catalytic Direct Nonoxidative Methane Coupling

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