Conceptual design of a fixed bed N2O decomposition reactor with a heat pipe heat exchanger
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Dong He
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Shuo Lin
Abstract
This paper introduces a novel process for decomposing N2O through interstage cooling utilizing a heat pipe heat exchanger. The reactor design involves segmenting the fixed bed reactor into multiple layers and integrating heat pipe heat exchangers between these layers to efficiently dissipate the high heat generated by the upper fixed bed reactor. This innovative approach facilitates the direct decomposition of N2O feedgas with high concentrations, obviating the need for gas dilution. The study conducted in this paper employed Fluent and ASPEN PLUS to investigate N2O decomposition with interstage cooling using heat pipe heat exchangers, as well as decomposition after dilution. A comparison between the two methods was made based on catalyst dosage, temperature uniformity, and reactor energy consumption. The results demonstrate that the proposed method for N2O decomposition via interstage cooling with a heat pipe heat exchanger is a viable option, offering the desired temperature control and enhanced efficiency. Furthermore, this reactor design effectively reduces both catalyst usage and energy consumption, providing substantial advantages over traditional approaches.
Acknowledgments
The computational resources generously provided by the High Performance Computing Center of Nanjing Tech University are greatly appreciated.
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Research ethics: Not applicable.
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Author contributions: The author(s) have (has) accepted responsibility for the entire content of this manuscript and approved its submission.
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Competing interests: The authors state no conflict of interest.
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Research funding: None declared.
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Data availability: The raw data can be obtained on request from the corresponding author.
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Supplementary Material
This article contains supplementary material (https://doi.org/10.1515/j_ijcre-2023-0227).
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Artikel in diesem Heft
- Frontmatter
- Articles
- Study on mixing characteristics of viscoplastic fluid in a rigid-flexible impeller stirred tank
- Emission and performance investigation of mango seed oil biodiesel supplied with n-pentanol and n-hexanol additives and optimization of fuel blends using modified deep neural network
- Study of chlorophyll dye from peppermint (mentha spicata) used as a sensitizer in TiO2 solar cells
- Dry reforming of methane over Ni–Mg–Al and Ni–Ca–Al type hydrotalcite-like catalysts: effects of synthesis route and Ru incorporation
- CFD-DEM simulation of chemical looping hydrogen generation in a moving bed reactor
- Conceptual design of a fixed bed N2O decomposition reactor with a heat pipe heat exchanger
- Investigation of polymers pyrolysis in a solid-gas conical spouted bed: CFD simulation
- CFD simulation study of internal mixing and flow of a modified airlift bioreactor
- Mechanism analysis and mixing characterization of variable-speed mechanical mixing enhancement
- Enhanced sonocatalytic degradation of Acid Red 27 with Fe2O3 catalyst: a kinetic study
