Skip to content

Enum: FuelCycleStageEnum

Stages in the nuclear fuel cycle

URI: valuesets:FuelCycleStageEnum

Permissible Values

Value Title Meaning Description Duration Input Location Method Output Process Product Purpose Status Waste
MINING Uranium Mining Extraction of uranium ore from deposits mining and milling uranium ore concentrate (yellowcake)
CONVERSION Conversion Conversion of uranium concentrate to UF6 U3O8 yellowcake uranium hexafluoride (UF6)
ENRICHMENT Enrichment Increase of U-235 concentration natural UF6 enriched UF6 depleted uranium tails
FUEL_FABRICATION Fuel Fabrication Manufacturing of fuel assemblies enriched UF6 fuel assemblies pellet and rod manufacturing
REACTOR_OPERATION Reactor Operation Power generation in nuclear reactor 12-24 months per cycle fresh fuel assemblies electricity and spent fuel
INTERIM_STORAGE Interim Storage Temporary storage of spent fuel 5-40+ years reactor pools or dry casks cooling and decay
REPROCESSING Reprocessing Chemical separation of spent fuel components spent nuclear fuel uranium, plutonium, waste practiced in some countries
DISPOSAL Disposal Permanent disposal of nuclear waste permanent geological repository under development globally

Slots

Name Description
fuel_cycle_stage Stage in the nuclear fuel cycle

Identifier and Mapping Information

Schema Source

  • from schema: https://w3id.org/linkml/valuesets

LinkML Source

name: FuelCycleStageEnum
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Stages in the nuclear fuel cycle
title: Fuel Cycle Stage
from_schema: https://w3id.org/linkml/valuesets
contributors:
- orcid:0000-0002-6601-2165
- https://github.com/anthropics/claude-code
status: DRAFT
rank: 1000
permissible_values:
  MINING:
    text: MINING
    description: Extraction of uranium ore from deposits
    annotations:
      process:
        tag: process
        value: mining and milling
      product:
        tag: product
        value: uranium ore concentrate (yellowcake)
    title: Uranium Mining
  CONVERSION:
    text: CONVERSION
    description: Conversion of uranium concentrate to UF6
    annotations:
      input:
        tag: input
        value: U3O8 yellowcake
      output:
        tag: output
        value: uranium hexafluoride (UF6)
    title: Conversion
  ENRICHMENT:
    text: ENRICHMENT
    description: Increase of U-235 concentration
    annotations:
      input:
        tag: input
        value: natural UF6
      output:
        tag: output
        value: enriched UF6
      waste:
        tag: waste
        value: depleted uranium tails
    title: Enrichment
  FUEL_FABRICATION:
    text: FUEL_FABRICATION
    description: Manufacturing of fuel assemblies
    annotations:
      input:
        tag: input
        value: enriched UF6
      output:
        tag: output
        value: fuel assemblies
      process:
        tag: process
        value: pellet and rod manufacturing
    title: Fuel Fabrication
  REACTOR_OPERATION:
    text: REACTOR_OPERATION
    description: Power generation in nuclear reactor
    annotations:
      input:
        tag: input
        value: fresh fuel assemblies
      output:
        tag: output
        value: electricity and spent fuel
      duration:
        tag: duration
        value: 12-24 months per cycle
    title: Reactor Operation
  INTERIM_STORAGE:
    text: INTERIM_STORAGE
    description: Temporary storage of spent fuel
    annotations:
      purpose:
        tag: purpose
        value: cooling and decay
      duration:
        tag: duration
        value: 5-40+ years
      location:
        tag: location
        value: reactor pools or dry casks
    title: Interim Storage
  REPROCESSING:
    text: REPROCESSING
    description: Chemical separation of spent fuel components
    annotations:
      input:
        tag: input
        value: spent nuclear fuel
      output:
        tag: output
        value: uranium, plutonium, waste
      status:
        tag: status
        value: practiced in some countries
    title: Reprocessing
  DISPOSAL:
    text: DISPOSAL
    description: Permanent disposal of nuclear waste
    annotations:
      method:
        tag: method
        value: geological repository
      duration:
        tag: duration
        value: permanent
      status:
        tag: status
        value: under development globally
    title: Disposal