space velocity

in catalysis
https://doi.org/10.1351/goldbook.S05779
Defined as vm, vv, and va where the vis represent the rate of feed of the given reactant fed per unit mass, volume or surface area of the catalyst.
Source:
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 82 [Terms] [Paper]
Citation: 'space velocity' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.S05779 RIS BibTex EndNote
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