Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process
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A system containing a reactor vessel including zero valent iron media, a source of a conditioning additive, a source of a reaction additive, and a process control subsystem is disclosed. A method for reducing a concentration of one or more contaminants in contaminated water including contacting zero valent iron media with a conditioning additive, contacting contaminated water with conditioned zero valent iron media, and introducing a reaction additive is also disclosed. The conditioning additive and reaction additive may each contain an aluminum salt.
Huang, Yongheng; Wismer, Michael; reyes, Lew Andrew; Qiao, Xiangyi; Dukes, Simon; Sassaman, Frank; Berger, David (2019). Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process. United States. Patent and Trademark Office; Texas A&M University. Libraries. Available electronically from