Enum: FuelCycleOperationEnum

Nuclear fuel cycle operational activities

URI: valuesets:FuelCycleOperationEnum

Permissible Values

Value	Title	Meaning	Description	Activities	Burnup	Configuration	Cooling	Destination	Duration	Frequency	Handling	Input	Isolation	Method	Methods	Output	Procedure	Process	Processing	Purpose	Recovery	Safety	Separation	Standards	Timing	Treatment	Waste
URANIUM_EXPLORATION	Uranium Exploration		Search and evaluation of uranium deposits	geological surveys, drilling, sampling											airborne surveys, ground exploration					locate economically viable deposits
URANIUM_EXTRACTION	Uranium Extraction		Mining and extraction of uranium ore												open pit, underground, in-situ leaching	uranium ore			crushing and grinding
URANIUM_MILLING	Uranium Milling		Processing of uranium ore to produce yellowcake									uranium ore				uranium concentrate (U3O8)		acid or alkaline leaching
URANIUM_CONVERSION	Uranium Conversion		Conversion of yellowcake to uranium hexafluoride									uranium concentrate (U3O8)				uranium hexafluoride (UF6)				prepare for enrichment
URANIUM_ENRICHMENT	Uranium Enrichment		Increase U-235 concentration in uranium									natural uranium (0.711% U-235)			gas centrifuge, gaseous diffusion	enriched uranium (3-5% typical)											depleted uranium tails
FUEL_FABRICATION	Fuel Fabrication		Manufacturing of nuclear fuel assemblies									enriched uranium				fuel assemblies		pellet production, rod assembly
REACTOR_FUEL_LOADING	Reactor Fuel Loading		Installation of fresh fuel in reactor			specific loading pattern				every 12-24 months							careful criticality control
REACTOR_OPERATION	Reactor Operation		Power generation and fuel burnup		fuel depletion over time				12-24 months typical cycle							electricity and fission products
SPENT_FUEL_DISCHARGE	Spent Fuel Discharge		Removal of used fuel from reactor					spent fuel pool storage			underwater fuel handling														end of fuel cycle
SPENT_FUEL_STORAGE	Spent Fuel Storage		Interim storage of discharged fuel				decay heat removal		5-100+ years						pools, dry casks
SPENT_FUEL_REPROCESSING	Spent Fuel Reprocessing		Chemical separation of spent fuel components																		recovers usable materials		uranium, plutonium, waste				high-level waste production
WASTE_CONDITIONING	Waste Conditioning		Preparation of waste for storage or disposal																	stable waste form				waste acceptance criteria		solidification, encapsulation
WASTE_DISPOSAL	Waste Disposal		Permanent disposal of nuclear waste										long-term containment	geological repository								protect public and environment

Slots

Name	Description
fuel_cycle_operation	Nuclear fuel cycle operational activity

Identifier and Mapping Information

Schema Source

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

LinkML Source

name: FuelCycleOperationEnum
instantiates:
- valuesets_meta:ValueSetEnumDefinition
description: Nuclear fuel cycle operational activities
title: Fuel Cycle Operation
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:
  URANIUM_EXPLORATION:
    text: URANIUM_EXPLORATION
    description: Search and evaluation of uranium deposits
    annotations:
      activities:
        tag: activities
        value: geological surveys, drilling, sampling
      purpose:
        tag: purpose
        value: locate economically viable deposits
      methods:
        tag: methods
        value: airborne surveys, ground exploration
    title: Uranium Exploration
  URANIUM_EXTRACTION:
    text: URANIUM_EXTRACTION
    description: Mining and extraction of uranium ore
    annotations:
      methods:
        tag: methods
        value: open pit, underground, in-situ leaching
      output:
        tag: output
        value: uranium ore
      processing:
        tag: processing
        value: crushing and grinding
    title: Uranium Extraction
  URANIUM_MILLING:
    text: URANIUM_MILLING
    description: Processing of uranium ore to produce yellowcake
    annotations:
      input:
        tag: input
        value: uranium ore
      output:
        tag: output
        value: uranium concentrate (U3O8)
      process:
        tag: process
        value: acid or alkaline leaching
    title: Uranium Milling
  URANIUM_CONVERSION:
    text: URANIUM_CONVERSION
    description: Conversion of yellowcake to uranium hexafluoride
    annotations:
      input:
        tag: input
        value: uranium concentrate (U3O8)
      output:
        tag: output
        value: uranium hexafluoride (UF6)
      purpose:
        tag: purpose
        value: prepare for enrichment
    title: Uranium Conversion
  URANIUM_ENRICHMENT:
    text: URANIUM_ENRICHMENT
    description: Increase U-235 concentration in uranium
    annotations:
      input:
        tag: input
        value: natural uranium (0.711% U-235)
      output:
        tag: output
        value: enriched uranium (3-5% typical)
      waste:
        tag: waste
        value: depleted uranium tails
      methods:
        tag: methods
        value: gas centrifuge, gaseous diffusion
    title: Uranium Enrichment
  FUEL_FABRICATION:
    text: FUEL_FABRICATION
    description: Manufacturing of nuclear fuel assemblies
    annotations:
      input:
        tag: input
        value: enriched uranium
      output:
        tag: output
        value: fuel assemblies
      process:
        tag: process
        value: pellet production, rod assembly
    title: Fuel Fabrication
  REACTOR_FUEL_LOADING:
    text: REACTOR_FUEL_LOADING
    description: Installation of fresh fuel in reactor
    annotations:
      frequency:
        tag: frequency
        value: every 12-24 months
      procedure:
        tag: procedure
        value: careful criticality control
      configuration:
        tag: configuration
        value: specific loading pattern
    title: Reactor Fuel Loading
  REACTOR_OPERATION:
    text: REACTOR_OPERATION
    description: Power generation and fuel burnup
    annotations:
      duration:
        tag: duration
        value: 12-24 months typical cycle
      burnup:
        tag: burnup
        value: fuel depletion over time
      output:
        tag: output
        value: electricity and fission products
    title: Reactor Operation
  SPENT_FUEL_DISCHARGE:
    text: SPENT_FUEL_DISCHARGE
    description: Removal of used fuel from reactor
    annotations:
      timing:
        tag: timing
        value: end of fuel cycle
      handling:
        tag: handling
        value: underwater fuel handling
      destination:
        tag: destination
        value: spent fuel pool storage
    title: Spent Fuel Discharge
  SPENT_FUEL_STORAGE:
    text: SPENT_FUEL_STORAGE
    description: Interim storage of discharged fuel
    annotations:
      cooling:
        tag: cooling
        value: decay heat removal
      duration:
        tag: duration
        value: 5-100+ years
      methods:
        tag: methods
        value: pools, dry casks
    title: Spent Fuel Storage
  SPENT_FUEL_REPROCESSING:
    text: SPENT_FUEL_REPROCESSING
    description: Chemical separation of spent fuel components
    annotations:
      separation:
        tag: separation
        value: uranium, plutonium, waste
      recovery:
        tag: recovery
        value: recovers usable materials
      waste:
        tag: waste
        value: high-level waste production
    title: Spent Fuel Reprocessing
  WASTE_CONDITIONING:
    text: WASTE_CONDITIONING
    description: Preparation of waste for storage or disposal
    annotations:
      treatment:
        tag: treatment
        value: solidification, encapsulation
      purpose:
        tag: purpose
        value: stable waste form
      standards:
        tag: standards
        value: waste acceptance criteria
    title: Waste Conditioning
  WASTE_DISPOSAL:
    text: WASTE_DISPOSAL
    description: Permanent disposal of nuclear waste
    annotations:
      method:
        tag: method
        value: geological repository
      isolation:
        tag: isolation
        value: long-term containment
      safety:
        tag: safety
        value: protect public and environment
    title: Waste Disposal