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United Kingdom
United Kingdom
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Fuel reprocessing meaning
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What does Fuel reprocessing mean?
Fuel reprocessing is the chemical treatment of spent reactor fuel to separate reusable fissile material (usually uranium and plutonium) from radioactive residues and other waste.
Across England and Wales, Scotland, Northern Ireland and Ireland, it is a descriptive term used in nuclear, environmental and safeguards law; some legislation and guidance refer to “reprocessing of spent fuel”, but any definition is context-specific.
Legally, reprocessing is a high‑hazard activity that typically requires: a nuclear site licence (UK: Office for Nuclear Regulation); environmental authorisations/permits for the keeping, accumulation and disposal of radioactive substances and liquid and gaseous discharges (Environment Agency, SEPA, NIEA; EPA in Ireland); nuclear security and safeguards compliance; transport and export/import controls; and planning/development consent.
Intended reprocessing can affect whether spent fuel is treated as radioactive waste, with consequences for classification, consents, reporting and liabilities for storage, decommissioning and ultimate disposal.
In the UK, large‑scale civil reprocessing (for example at Sellafield) has largely ceased, but legacy operations, waste management and contractual obligations remain regulated. Ireland has no civil reprocessing facilities; the term mainly arises in relation to transboundary movements, radiation protection and emergency planning.
Usage and legal significance are broadly consistent across the jurisdictions, subject to differing regulatory frameworks and authorities.
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View the related Practice Notes about Fuel reprocessing
PRACTICE NOTES
Planning and Regulatory Framework for Radioactive Waste in England and Wales: Geological Disposal (NSIPs), Non-geological Routes (TCPA), Policy, Consents, Consultation and Case Law
Scope of this Practice Note This Practice Note sets out the main types of radioactive waste and examines disposal against the EU-defined waste hierarchy. It places contemporary management of radioactive waste within the historical development of the nuclear industry from a planning standpoint. Principal policy documents are reviewed to chart the evolution of government thinking over time. Geological disposal of Higher Activity Waste (HAW) under the Planning Act 2008 (PA 2008) is compared with alternative disposal routes under the Town and Country Planning Act 1990 (TCPA 1990) and the Planning (Wales) Act 2015. Consultation duties, application processes and required consents are identified for both regimes. Notable planning appeals and judicial review cases are highlighted before looking at international approaches to radioactive waste. What is radioactive waste? In the UK, radioactive waste arises—and will arise—from past, current and future programmes for electricity generation from nuclear fission, the reprocessing of nuclear fuel, the development of nuclear weapons, the nuclear submarine fleet and wastes from radioactive materials used for civil...
21 May
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PRACTICE NOTES
Civil nuclear energy in the UK: legal and regulatory overview of the fuel cycle, risks, financing (CfDs/RAB), new build, advanced technologies, fusion, and the 2025 Nuclear Regulatory Review
What is nuclear energy? Nuclear energy is the power released from the core of an atom (the ‘nucleus’). It can be produced in two ways: Fission — the split of a large atom into smaller atoms; Fusion — the joining of lighter atoms to create heavier atoms. Nuclear (fission) power plants split uranium atoms inside a reactor through fission. The heat generated produces steam, which turns a turbine to generate electricity. While fission is currently used commercially to produce energy, nuclear fusion is not yet commercially viable. See: What is the future of nuclear power generation in the UK? below. Various countries around the world are increasingly turning to nuclear energy to satisfy the rising need for clean energy and to strengthen their energy security. What is the nuclear fuel cycle? The set of industrial processes that results in electricity from nuclear reactions is known as the nuclear fuel cycle. It starts with the mining of uranium (or other ores...
21 May
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