Optimal design of hydrogen‐blended natural gas pipeline network considering separation systems

Blending hydrogen into existing natural gas pipelines is considered the most feasible choice for long‐distance, large‐scale hydrogen transportation in the early stage of hydrogen economy development. To integrate the optimization of hydrogen‐blended natural gas pipeline network and subsequent hydrog...

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Vydáno v:AIChE journal Ročník 71; číslo 2
Hlavní autoři: Gu, Shiya, Bai, Yunhai, Dong, Yachao, Du, Jian
Médium: Journal Article
Jazyk:angličtina
Vydáno: Hoboken, USA John Wiley & Sons, Inc 01.02.2025
American Institute of Chemical Engineers
Témata:
Algorithms
Blending
Design
Design optimization
Developmental stages
Gas pipelines
Gas separation
Hydrogen
hydrogen infrastructure design
methane‐hydrogen separation
mixed‐integer nonlinear programming
Natural gas
Nonlinear programming
pipeline network
Pipelines
Separation processes
superstructure‐based optimization
ISSN:0001-1541, 1547-5905
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Shrnutí:Blending hydrogen into existing natural gas pipelines is considered the most feasible choice for long‐distance, large‐scale hydrogen transportation in the early stage of hydrogen economy development. To integrate the optimization of hydrogen‐blended natural gas pipeline network and subsequent hydrogen/natural gas separation process, this article presents a mixed‐integer nonlinear programming model, aiming to minimize the total annual project net cost. To tackle the computational complexity resulting from the large‐scale and nonlinear nature of practical design problems, a decomposition algorithm is tailored to the proposed model. Two case studies demonstrate that compared to stepwise model, the proposed pipeline‐separation integrated model offers economic benefits and practical value, incorporating separation processes and satisfying constraints of hydrogen demand, pressure and blending ratio requirements, which achieves an economically optimal design for both pipeline transportation and separation systems, and provides a viable solution for the broader application of hydrogen‐blended natural gas networks.
Bibliografie:ObjectType-Article-1
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ISSN:0001-1541
1547-5905
DOI:10.1002/aic.18648