# Steam stripping

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alt=steam-distillation-diagram-koch|thumb|Diagram of how to economically clean up plant wastewater streams. Steam is use as a stripping gas to remove hydrocarbons from the waste water.
'''Steam stripping''' is a process used in [petroleum refineries](/source/Oil_refinery) and [petrochemical](/source/petrochemical) plants to remove [volatile](/source/Volatile_(astrogeology)) contaminants, such as [hydrocarbon](/source/hydrocarbon)s and other [volatile organic compounds](/source/volatile_organic_compounds) (VOCs), from [wastewater](/source/wastewater).<ref name=beych1967>Beychok, M.R., ''The Design of Sour Water Strippers'', Individual Paper 61, Proceedings of Seventh World Petroleum Congress, Mexico City, April 1967</ref><ref name=Kister>{{cite book|author=Kister, Henry Z.|title= [Distillation Design](/source/Distillation_Design)|edition=1st |publisher=McGraw-Hill|year=1992|isbn=0-07-034909-6}}</ref> It typically consists of passing a stream of [superheated steam](/source/superheated_steam) through the wastewater. 

This method is effective when the volatile compounds have lower [boiling point](/source/boiling_point)s than water or have limited [solubility](/source/solubility) in water.

==References==
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Category:Petroleum engineering
Category:Petrochemical industry
Category:Industrial emissions control

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Adapted from the Wikipedia article [Steam stripping](https://en.wikipedia.org/wiki/Steam_stripping) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Steam_stripping?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.