Biological Treatment Plays an Important Role in Reducing Selenium to Safe Levels
Biological Treatment Plays an Important Role in Reducing Selenium to Safe Levels
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Biological Treatment Plays an Important Role in Reducing Selenium to Safe Levels
By: Bryce Jones Sean O'Mara 1 minute read

Selenium occurs naturally and is safe and nutritionally necessary for human life in small amounts. At higher concentrations, however, it becomes toxic. Crude oil contains high concentrations of selenium, so refineries must treat effluent wastewater discharge to be compliant with new environmental regulations.

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