Enum: FuelCycleStageEnum

Stages in the nuclear fuel cycle

Permissible Values

Value	Meaning	Description
MINING	None	Extraction of uranium ore from deposits
CONVERSION	None	Conversion of uranium concentrate to UF6
ENRICHMENT	None	Increase of U-235 concentration
FUEL_FABRICATION	None	Manufacturing of fuel assemblies
REACTOR_OPERATION	None	Power generation in nuclear reactor
INTERIM_STORAGE	None	Temporary storage of spent fuel
REPROCESSING	None	Chemical separation of spent fuel components
DISPOSAL	None	Permanent disposal of nuclear waste

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
description: Stages in the nuclear fuel cycle
from_schema: https://w3id.org/linkml/valuesets
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