Carbon-free green hydrogen production process with induction heating-based ammonia decomposition reactor

Jaewon Lee; Seongbin Ga; Dongha Lim; Seongchan Lee; Hyungtae Cho; Junghwan Kim

doi:10.1016/j.cej.2022.141203

Carbon-free green hydrogen production process with induction heating-based ammonia decomposition reactor

Jaewon Lee, Seongbin Ga, Dongha Lim, Seongchan Lee, Hyungtae Cho, Junghwan Kim

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

This study presents an induction heating-based reactor for ammonia decomposition and to achieve a 150 Nm³/h carbon-free green hydrogen production process. The developed metallic monolith reactor acts by increasing the reactor temperature through an electromagnetic induction method using renewable-based electricity. As a result, hydrogen is produced without the generation of air pollutants such as CO₂, which are formed via the conventional production pathway. Furthermore, techno-economic analysis was conducted based on exergy and economic analysis to evaluate the feasibility of the developed process. Experimentally, the proposed reactor showed an ammonia conversion of 90.0 % at 600 ℃ and 7 barg. Exergy analysis indicated that the total unused exergy accounted for 45.79 % of the total exergy input, giving an exergy efficiency of 54.21 % for the overall process. Furthermore, the CAPEX and OPEX values are calculated as 1,599,567 USD and 644,719 USD/y, respectively; therefore, the levelized cost of hydrogen (LCOH) was calculated to be 6.98 USD/kgH₂. This study also demonstrated that the LCOH varies with the ammonia feed price and the process capacity, and so it would be expected to decrease from 6.98 to 5.33 USD/kgH₂ as the hydrogen production capacity is increased from 150 to 500 Nm³/h. Overall, our results confirm the feasibility of carbon-free green hydrogen production on on-site hydrogen refueling stations, and they will be expected to advance the development of an environmental hydrogen economy.

Original language	English
Article number	141203
Journal	Chemical Engineering Journal
Volume	457
DOIs	https://doi.org/10.1016/j.cej.2022.141203
Publication status	Published - 2023 Feb 1

Bibliographical note

Funding Information:
Funding: This work was supported by the Technology Innovation Program (20005690, Development of three-dimensional metal structured De-NOx catalyst) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea).

Funding Information:
Funding: This work was supported by the Korea Institute of Industrial Technology within the framework of the “Development and application of carbon-neutral engineering platform based on carbon emission database and prediction model“ project [Grant No. KM-22-0348] and the “Development of Global Optimization System for Energy Process” project [Grant Nos. IR-22-0040, IZ-22-0049, UR-22-0031].

Publisher Copyright:
© 2022 The Authors

All Science Journal Classification (ASJC) codes

Chemistry(all)
Environmental Chemistry
Chemical Engineering(all)
Industrial and Manufacturing Engineering

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

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10.1016/j.cej.2022.141203

Cite this

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title = "Carbon-free green hydrogen production process with induction heating-based ammonia decomposition reactor",

abstract = "This study presents an induction heating-based reactor for ammonia decomposition and to achieve a 150 Nm3/h carbon-free green hydrogen production process. The developed metallic monolith reactor acts by increasing the reactor temperature through an electromagnetic induction method using renewable-based electricity. As a result, hydrogen is produced without the generation of air pollutants such as CO2, which are formed via the conventional production pathway. Furthermore, techno-economic analysis was conducted based on exergy and economic analysis to evaluate the feasibility of the developed process. Experimentally, the proposed reactor showed an ammonia conversion of 90.0 % at 600 ℃ and 7 barg. Exergy analysis indicated that the total unused exergy accounted for 45.79 % of the total exergy input, giving an exergy efficiency of 54.21 % for the overall process. Furthermore, the CAPEX and OPEX values are calculated as 1,599,567 USD and 644,719 USD/y, respectively; therefore, the levelized cost of hydrogen (LCOH) was calculated to be 6.98 USD/kgH2. This study also demonstrated that the LCOH varies with the ammonia feed price and the process capacity, and so it would be expected to decrease from 6.98 to 5.33 USD/kgH2 as the hydrogen production capacity is increased from 150 to 500 Nm3/h. Overall, our results confirm the feasibility of carbon-free green hydrogen production on on-site hydrogen refueling stations, and they will be expected to advance the development of an environmental hydrogen economy.",

author = "Jaewon Lee and Seongbin Ga and Dongha Lim and Seongchan Lee and Hyungtae Cho and Junghwan Kim",

note = "Funding Information: Funding: This work was supported by the Technology Innovation Program (20005690, Development of three-dimensional metal structured De-NOx catalyst) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea). Funding Information: Funding: This work was supported by the Korea Institute of Industrial Technology within the framework of the “Development and application of carbon-neutral engineering platform based on carbon emission database and prediction model“ project [Grant No. KM-22-0348] and the “Development of Global Optimization System for Energy Process” project [Grant Nos. IR-22-0040, IZ-22-0049, UR-22-0031]. Publisher Copyright: {\textcopyright} 2022 The Authors",

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doi = "10.1016/j.cej.2022.141203",

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AU - Lee, Jaewon

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AU - Lim, Dongha

AU - Lee, Seongchan

AU - Cho, Hyungtae

AU - Kim, Junghwan

N1 - Funding Information: Funding: This work was supported by the Technology Innovation Program (20005690, Development of three-dimensional metal structured De-NOx catalyst) funded by the Ministry of Trade, Industry & Energy (MOTIE, Korea). Funding Information: Funding: This work was supported by the Korea Institute of Industrial Technology within the framework of the “Development and application of carbon-neutral engineering platform based on carbon emission database and prediction model“ project [Grant No. KM-22-0348] and the “Development of Global Optimization System for Energy Process” project [Grant Nos. IR-22-0040, IZ-22-0049, UR-22-0031]. Publisher Copyright: © 2022 The Authors

PY - 2023/2/1

Y1 - 2023/2/1

N2 - This study presents an induction heating-based reactor for ammonia decomposition and to achieve a 150 Nm3/h carbon-free green hydrogen production process. The developed metallic monolith reactor acts by increasing the reactor temperature through an electromagnetic induction method using renewable-based electricity. As a result, hydrogen is produced without the generation of air pollutants such as CO2, which are formed via the conventional production pathway. Furthermore, techno-economic analysis was conducted based on exergy and economic analysis to evaluate the feasibility of the developed process. Experimentally, the proposed reactor showed an ammonia conversion of 90.0 % at 600 ℃ and 7 barg. Exergy analysis indicated that the total unused exergy accounted for 45.79 % of the total exergy input, giving an exergy efficiency of 54.21 % for the overall process. Furthermore, the CAPEX and OPEX values are calculated as 1,599,567 USD and 644,719 USD/y, respectively; therefore, the levelized cost of hydrogen (LCOH) was calculated to be 6.98 USD/kgH2. This study also demonstrated that the LCOH varies with the ammonia feed price and the process capacity, and so it would be expected to decrease from 6.98 to 5.33 USD/kgH2 as the hydrogen production capacity is increased from 150 to 500 Nm3/h. Overall, our results confirm the feasibility of carbon-free green hydrogen production on on-site hydrogen refueling stations, and they will be expected to advance the development of an environmental hydrogen economy.

AB - This study presents an induction heating-based reactor for ammonia decomposition and to achieve a 150 Nm3/h carbon-free green hydrogen production process. The developed metallic monolith reactor acts by increasing the reactor temperature through an electromagnetic induction method using renewable-based electricity. As a result, hydrogen is produced without the generation of air pollutants such as CO2, which are formed via the conventional production pathway. Furthermore, techno-economic analysis was conducted based on exergy and economic analysis to evaluate the feasibility of the developed process. Experimentally, the proposed reactor showed an ammonia conversion of 90.0 % at 600 ℃ and 7 barg. Exergy analysis indicated that the total unused exergy accounted for 45.79 % of the total exergy input, giving an exergy efficiency of 54.21 % for the overall process. Furthermore, the CAPEX and OPEX values are calculated as 1,599,567 USD and 644,719 USD/y, respectively; therefore, the levelized cost of hydrogen (LCOH) was calculated to be 6.98 USD/kgH2. This study also demonstrated that the LCOH varies with the ammonia feed price and the process capacity, and so it would be expected to decrease from 6.98 to 5.33 USD/kgH2 as the hydrogen production capacity is increased from 150 to 500 Nm3/h. Overall, our results confirm the feasibility of carbon-free green hydrogen production on on-site hydrogen refueling stations, and they will be expected to advance the development of an environmental hydrogen economy.

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Carbon-free green hydrogen production process with induction heating-based ammonia decomposition reactor

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

UN SDGs

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