Stability of multi-permeable reactive barriers for long term removal of mixed contaminants

Jai Young Lee; Kui Jae Lee; Sun Young Youm; Mi Ran Lee; Seralathan Kamala-Kannan; Byung Taek Oh

doi:10.1007/s00128-009-9918-y

Stability of multi-permeable reactive barriers for long term removal of mixed contaminants

Jai Young Lee, Kui Jae Lee, Sun Young Youm, Mi Ran Lee, Seralathan Kamala-Kannan, Byung Taek Oh

School of Environmental Engineering

Research output: Contribution to journal › Article › peer-review

10 Scopus citations

Abstract

The Permeable Reactive Barriers (PRBs) are relatively simple, promising technology for groundwater remediation. A PRBs consisting of two reactive barriers (zero valent iron-barrier and bio-barrier) were designed to evaluate the application and feasibility of the barriers for the removal of wide range of pollutants from synthetic water. After 470 days of Multi-PRBs column operation, the pH level in the water sample is increased from 4 to 7, whereas the oxidation reduction potential (ORP) is decreased to -180 mV. Trichloroethylene (TCE), heavy metals, and nitrate were completely removed in the zero valent iron-barrier. Ammonium produced during nitrate reduction is removed in the biologically reactive zone of the column. The results of the present study suggest that Multi-PRBs system is an effective alternate method to confine wide range of pollutants from contaminated groundwater.

Original language	English
Pages (from-to)	250-254
Number of pages	5
Journal	Bulletin of Environmental Contamination and Toxicology
Volume	84
Issue number	2
DOIs	https://doi.org/10.1007/s00128-009-9918-y
State	Published - Feb 2010

Keywords

Bio-barrier
Groundwater
Multi-PRBs
Zero-valent iron

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abstract = "The Permeable Reactive Barriers (PRBs) are relatively simple, promising technology for groundwater remediation. A PRBs consisting of two reactive barriers (zero valent iron-barrier and bio-barrier) were designed to evaluate the application and feasibility of the barriers for the removal of wide range of pollutants from synthetic water. After 470 days of Multi-PRBs column operation, the pH level in the water sample is increased from 4 to 7, whereas the oxidation reduction potential (ORP) is decreased to -180 mV. Trichloroethylene (TCE), heavy metals, and nitrate were completely removed in the zero valent iron-barrier. Ammonium produced during nitrate reduction is removed in the biologically reactive zone of the column. The results of the present study suggest that Multi-PRBs system is an effective alternate method to confine wide range of pollutants from contaminated groundwater.",

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AU - Lee, Kui Jae

AU - Youm, Sun Young

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AU - Kamala-Kannan, Seralathan

AU - Oh, Byung Taek

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Stability of multi-permeable reactive barriers for long term removal of mixed contaminants

Abstract

Keywords

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