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Abstract

Summary

This paper proposes a novel mathematical optimization methodology for the conceptual design of an offshore wind-based ammonia plant (OWAP), aiming to provide critical insights for determining utility-scale specifications for renewable ammonia production. The study assumes the OWAP is located in the East Sea gas field, South Korea, utilizing DTU 10 MW turbines, with power outputs precomputed using the Jensen wake model.

The problem formulation considers a PEM electrolyzer with high responsiveness to power fluctuations, where produced hydrogen is directed to the Haber-Bosch line or pressurized storage tanks. Importantly, operational specifications of the OWAP facilities are defined as decision variables.

Results indicate that battery capacity significantly impacts the Levelized Cost of Ammonia (LCOA) and ammonia production yield. Hydrogen tanks also play a crucial role as an alternative storage medium. Furthermore, sensitivity analysis highlights the hydrogen compression system’s performance as highly sensitive to hydrogen tank capacity.

The study concludes by identifying key factors influencing the economic viability of OWAP due to its nonlinear cost structure. A key contribution involves examining the complex interplay of equipment and process elements within renewable ammonia production, thereby yielding vital insights for defining utility-grade specifications.

© EAGE Publications BV
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/content/papers/10.3997/2214-4609.202521042
2025-10-27
2026-01-12

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Interplay Considerations for Design Optimization in Renewable Ammonia Production System
Conference Proceedings 2025, 1 (2025); https://doi.org/10.3997/2214-4609.202521042
/content/papers/10.3997/2214-4609.202521042
/content/papers/10.3997/2214-4609.202521042
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