Microbial responses to combined oxidation and catalysis treatment of 1,4-dioxane and co-contaminants in groundwater and soil

2018, Volume 12, Issue 5

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Frontiers of Environmental Science & Engineering >> 2018, Volume 12, Issue 5 doi: 10.1007/s11783-018-1071-6

Microbial responses to combined oxidation and catalysis treatment of 1,4-dioxane and co-contaminants in groundwater and soil

¹. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, USA
². Department of Chemical and Biomolecular Engineering, Rice University, Houston, TX 77005, USA
³. Department of Health Science, California State University, Fullerton, CA 92834, USA
⁴. GSI Environmental Inc., Houston, TX 77098, USA

Available online: 2018-09-14

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Abstract

Groundwater microbial community was altered after catalysis and chemical oxidation.

The coupled treatment train removed 90% 1,4-dioxane regardless of co-contaminants.

Dynamics of microbial populations varied along with different treatment stages.

Many microbial taxa exhibited resilience against oxidative and catalytic treatments.

Metagenomic analysis will be valuable for long-term management of polluted sites.

Keywords

Coupled treatments ; Chlorinated solvents ; Diethylene ether ; Biological diversity ; Microbial populations ; Biomarkers

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