Mean residence time

{
  "id": "MLC-T-CHM-007078",
  "term": "Mean residence time",
  "field": "Chemistry",
  "definition": "The average time a molecule or particle spends within a defined system or compartment before leaving it. This concept is widely applied in chemical reactors, environmental studies, and biological systems to characterize the dynamics of material flow. It is calculated as the ratio of the total amount of substance in the system to its outflow rate.",
  "subject": "Physical and Biophysical Chemistry",
  "see_also": [
    "adsorbent",
    "desorption"
  ],
  "references": [
    "PAC, 1976, 46, 71. 'Manual of Symbols and Terminology for Physicochemical Quantities and Units - Appendix II. Definitions, Terminology and Symbols in Colloid and Surface Chemistry. Part II: Heterogeneous Catalysis' on page 79 (https://doi.org/10.1351/pac197646010071)"
  ],
  "url": "https://mlchart.com/terminology/chemistry/mean-residence-time/"
}