Selenium removal using aluminum salt at conditioning and reaction stages to activate zero-valent iron (ZVI) in pironox process
Abstract
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.
Subject
C02F 1/281B01J 20/0225
C02F 1/5245
B01J 20/0229
C02F 1/705
C02F 2209/005
B01J 37/0201
B01J 21/02
C02F 2103/18
C02F 2209/40
C02F 2103/365
C02F 1/74
C02F 2101/20
C02F 2101/103
B01J 23/745
C02F 1/001
C02F 2101/106
C02F 1/66
C02F 2103/06
Collections
Citation
Huang, Yongheng; Wismer, Michael; Reyes, Lew Andrew; Qiao, Xiangyi; Dukes, Simon; Sassaman, Frank; Berger, David (2021). 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 https : / /hdl .handle .net /1969 .1 /195033.