Optimal discrete pipe sizing for tree-shaped CO2 networks

Jaap Pedersen (), Thi Thai Le, Thorsten Koch and Janina Zittel
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Jaap Pedersen: Zuse Institute Berlin
Thi Thai Le: Zuse Institute Berlin
Thorsten Koch: Zuse Institute Berlin
Janina Zittel: Zuse Institute Berlin

OR Spectrum: Quantitative Approaches in Management, 2024, vol. 46, issue 4, No 4, 1163-1187

Abstract: Abstract For industries like the cement industry, switching to a carbon-neutral production process is impossible. They must rely on carbon capture, utilization and storage (CCUS) technologies to reduce their production processes’ inevitable carbon dioxide ( $$\textrm{CO}_2$$ CO 2 ) emissions. For transporting continuously large amounts of $$\textrm{CO}_2$$ CO 2 , utilizing a pipeline network is the most effective solution; however, building such a network is expensive. Therefore minimizing the cost of the pipelines to be built is extremely important to make the operation financially feasible. In this context, we investigate the problem of finding optimal pipeline diameters from a discrete set of diameters for a tree-shaped network transporting captured $$\textrm{CO}_2$$ CO 2 from multiple sources to a single sink. The general problem of optimizing arc capacities in potential-based fluid networks is already a challenging mixed-integer nonlinear optimization problem. The problem becomes even more complex when adding the highly sensitive nonlinear behavior of $$\textrm{CO}_2$$ CO 2 regarding temperature and pressure changes. We propose an iterative algorithm splitting the problem into two parts: (a) the pipe-sizing problem under a fixed supply scenario and temperature distribution and (b) the thermophysical modeling, including mixing effects, the Joule–Thomson effect, and heat exchange with the surrounding environment. We demonstrate the effectiveness of our approach by applying our algorithm to a real-world network planning problem for a $$\textrm{CO}_2$$ CO 2 network in Western Germany. Further, we show the robustness of the algorithm by solving a large artificially created set of network instances.

Keywords: Carbon capture and storage; $$\textrm{CO}_2$$ CO 2 pipeline transport; Network design; Discrete pipeline sizing; Mixed integer linear programming; Thermophysical modeling (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s00291-024-00773-z

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