Term: blowdown
https://doi.org/10.1351/goldbook.B00687

Definition:
hydrocarbons purged during refinery shutdowns and startups which should be piped to storage systems for safe venting, flaring or recovery. This term also applies to the purging of water in boiler operation, and serves in the control of dissolved solids in the boiler water.

Related Terms:
1) hydrocarbons (http://doi.org/10.1351/goldbook.H02889).
2) recovery (http://doi.org/10.1351/goldbook.R05206).

Source: PAC, 1990, 62, 2167. 'Glossary of atmospheric chemistry terms (Recommendations 1990)' on page 2176 (https://doi.org/10.1351/pac199062112167)

Citation: 'blowdown' 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.B00687

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