Hybrid process improvement framework to reduce the eutrophication potential of in-situ leaching for uranium extraction: A qualitative study

The UK government has embarked on a comprehensive revaluation of its investment in Nuclear Power (NP), driven by factors such as rising oil and gas prices, independent energy extraction, and climate change concerns. Central to this revaluation is the Hinkley Point C (HPC) Project, which aligns with the UK’s decarbonisation and NetZero ambition but requires improvements in its Eutrophication Potential (EP). Eutrophication, originating from excessive nutrient loading, represents a significant environmental damage, particularly relevant in nuclear power due to emissions from uranium mining processes. This study develops a Hybrid Process Improvement Framework (HPIF) designed to mitigate EP associated with uranium extraction in nuclear plants, revealing diesel combustion connected to in-situ leaching techniques as the chief contributor to EP impact. Consequently, the research emphasizes the need for a novel HPIF aimed at reducing diesel combustion, thereby minimizing overall EP. By promoting sustainable practices, this research contributes to the UK’s Net Zero strategy toward more resource-efficient industrial processes. The DMADV methodology is employed to ensure a structured, data-driven approach in managing the HPIF configuration.