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Passive Treatment Technologies

By Environmental Protection Agency

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Book Id: WPLBN0000084800
Format Type: PDF eBook
File Size: 0.3 MB
Reproduction Date: 2007
Full Text

Title: Passive Treatment Technologies  
Author: Environmental Protection Agency
Language: English
Subject: Ecology, Natural resource issues, Environemtal protection
Collections: Environmental Awareness Library Collection
Publication Date:
Publisher: United States Environmental Protection Agency


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Agency, E. P. (n.d.). Passive Treatment Technologies. Retrieved from

Excerpt: Passive treatment encompasses a series of engineered treatment facilities that require very little to no maintenance once constructed and operational. Passive water treatment generally involves natural physical, biochemical, and geochemical actions and reactions, such as calcium carbonate dissolution, sulfate/iron reduction, bicarbonate alkalinity generation, metals oxidation and hydrolysis, and metals precipitation. The systems are commonly powered by existing water pressure created by differences in elevation between the discharge point and the treatment facilities.


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