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Basic components of a firefighting training area (US DOT 2010).

Basic components of a firefighting training area (US DOT 2010).

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Figure 1. Locations of ERH electrode field and supporting remedial...
Figure 1. Basic components of a firefighting training area (US DOT 2010).
Figure 1. Carbonaceous adsorbent, with non-dusting spherical form.
Figure 2. Oxidative degradation of PFOA (100 µg/L or 0.241 µM) by...
+4 Figure 2. Water adsorption isotherm for GAC versus synthetic media.
Bench-Scale Research on Options for In Situ Treatment of Perflourinated Compounds.
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  • Jan 2014
The U.S. Army Engineer Research and Development Center (ERDC) and Purdue University, with support from the Air Force Civil Engineer Center, are developing an in situ method for treatment of groundwater contaminated with perfluorinated compounds (PFCs).
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Context 1
... carbonaceous adsorbent used at the Massachusetts facility has demonstrated success in removing 1,4-dioxane occurring in a wide range of concentrations for water treatment elsewhere. The product (AMBERSORB TM 560) is produced through partial pyrolysis of a sulfonated styrene-divinylbenzene copolymer, which yields a hard adsorbent with high surface area and high porosity (Figure 1). When compared to broad-spectrum GAC, which consists of non- synthetic material, this adsorbent provides more specificity and selectivity for many non-polar compounds. ...
Context 2
... ERH design anticipated that the completed waste sugar injections would enhance reductive dechlorination in the groundwater plume onsite and downgradient. The design also accommodated conditions and infrastructure supporting ongoing industrial activities, including deep contamination below an active building, shallow contamination under an active rail spur, utility corridors, existing stormwater management trenches, and closed tanks (Figure 1). Other influential factors included the presence of mineral spirits, high groundwater flux, variability in soil resistivity values (such as 40- 120 ohm-meter versus 5-18 ohm-meter), and effective recovery of steam and vapors released from deeper soils. ...