1、Reid Simmer,Emily Jansen,Joel Burken,Lou Licht,Tim Mattes,and Jerry SchnoorRemTEC&Emerging Contaminants SummitOctober 15,2024BioaugmentationCO21,4-D1,4-D1,4-D1,4-DioxaneChlorinatedSolventsBioaugmented Phytoremediation to Treat 1,4-Dioxane Contaminated GroundwaterER21-5096ER-2719Data Source:EPA UCMR3
2、UCMR3:1,4-Dioxane Contamination in Finished Drinking Water US Public Water Systems,2013-2015Simmer et al.,20202“1,4-Dioxane in drinking water:emerging for 40 years and still unregulated”3-McElroy,Hyman and Knappe,Current Opinion in Environmental Science&Health,20193ITRC,2021 EPA HRL=0.35 ppb3Source:
3、ITRChttps:/14d-1.itrcweb.org/regulatory-framework/#2_2Common remediation strategies are costlyAdvanced Oxidation Facility for Dioxane Treatment,Tucson,AZAdvanced Oxidation Facility for Dioxane Treatment,Arden Hills,MN4MetabolitesEvapotranspirationPhytoremediation is a low cost,greenremediation techn
4、ology for 1,4-dioxane mass removal5Phytoremediation is a low cost,greenremediation technology for 1,4-dioxane mass removal6“76 to 83%of the dioxane taken up by poplars was transpired from leaf surfaces”MetabolitesEvapotranspiration6ChlorinatedSolventsInterstate Technology and Regulatory Council,2021
5、MetabolitesEvapotranspiration77Bioaugmented phytoremediation speeds treatment of 1,4-dioxaneCO2MineralizationMetabolitesEvapotranspirationBioaugmentation88CO2MineralizationBioaugmentationCO2MetabolitesEvapotranspirationBioaugmentationChlorinatedSolventsBioaugmentationCO2MineralizationMetabolitesEvap
6、otranspiration1111ChlorinatedSolventsBioaugmentationCO2MineralizationMetabolitesEvapotranspiration12Limit of Detection:1 mg/L(GC/FID)12ChlorinatedSolventsBioaugmentationCO2MineralizationMetabolitesEvapotranspiration1313ER-27191314Does Mycobacterium sp.PH-06 utilize root exudates as a supplementary c