Table 2.
Examples of Remediation Technologies Supported by the SRP.
| Text Reference | Technology | Grantee | Grant numbers | Applications | Contaminant | Benefits |
|---|---|---|---|---|---|---|
| A | Phytostabilization-- plants that accumulate metals in the root zone | R. Maier, University of Arizona | P42ES004940 | Prevents metals from entering the food chain | Metals | Sustainable management of mining wastes |
| B | Poplar trees to remove chemicals from soil | J. Schnoor, University of Iowa | P42ES013661 | Remediation of wastewater | PCBs | Inexpensive, low energy footprint, easily maintained |
| C | Endophyte assisted phytoremediation | Edenspace Systems, Inc | R43ES025483 R44ES020099 | Contaminated soil (As); groundwater remediation | Arsenic and organic contaminants | Inexpensive, low energy footprint, easily maintained |
| D | Phytoextraction of cadmium from plant trichomes expressing a stabilized antibody | Phyllotech, LLC | R43ES021682 | Contaminated soil | Cadmium | Inexpensive, low energy footprint, easily maintained |
| E | Microbial-induced calcite precipitation by indigenous soil bacteria | BioCement Technologies | Reduce lead mobility in soils | Lead, other metals | Low-cost, novel in situ technology | |
| F | Microbial nanowire device | G. Reguera, Michigan State University | R01ES017052 | Uranium removal from water | Uranium | Based on metal reduction by Geobacter bacteria |
| G | Solar panels apply low direct electric currents through electrodes in wells to manipulate groundwater chemistry by electrolysis | A. Alshawabkeh, Northeaster University | P42ES017198 | Remediation of contaminated karst (i.e. cave) aquifers | TCE | Green technology, in situ remediation |
| H | Functionalized zero valent iron / palladium membrane filters | D. Bhattacharyya, University of Kentucky | P42ES007380 | Novel materials for remediation | PCBs, TCE | Green, cost effective, remediation without toxic byproducts |
| I | Magnetic nanocomposite platform | Z. Hilt, University of Kentucky | P42ES007380 | Novel materials for remediation | PCB congeners | Green, cost effective |
| J | Microorganism degradation processes coupled with nanomaterials | M. Weisner, Duke University | P42ES010356 | Remediation in sediments and water | Brominated flame retardants | Understanding of interactions between nanoparticle and microbial remediation processes |
| K | Graphene-based environmental barriers | R. Hurt, Brown University | P42ES013660 | Prevents release and transport of vapor toxicants | TCE, Hg | Low cost, pliable geometry for ease of space-filling |
| L | Membrane-enhancement technologies | Lynntech, Inc. | R4ES024625 | Treatment and recycling of wastewaters generated by industry | Many environmental chemicals in the form of dissolved solids | Reduces membrane fouling, reduces system maintenance |
| M | Activated fly ash with an innovating coating technology | Pollution Control Technologies | R43ES024620 | Capture mercury from coal-fired boiler/power facilities | Mercury | Low cost, reuses waste materials (fly ash) on site at power plant |
| N/A | Dual biofilm reactive barrier; granular activated carbon coated with anaerobic and aerobic microorganisms | E. Bouwer, Johns Hopkins University | R01ES024279 | Bioremediation of groundwater and sediments | Chlorobenzenes, benzenes | Novel in situ technology |
| N/A | High-throughput quantitative polymerase chain reaction tool | F. Loeffler, University of Tennessee, Knoxville | R01ES024294 | Groundwater bioremediation | Solvents such as TCE, tetrachloroethene | Identify conditions that may impede remediation by chloroflexi bacteria |
| N/A | Oxalic acid injection into groundwater to form mineral formations to trap dissolved arsenic | S. Chillrud, Columbia University | P42ES010349 | Remediation of arsenic in groundwater | Arsenic | Safe, inexpensive compound, could be a sustainable approach |
| N/A | In situ chemical oxidation using persulfate and hydrogen peroxide | D. Sedlak and F. Doyle | P42ES004705 | Aquifer remediation | Solvents, benzene, erfluorooctanoic acid | Relatively inexpensive, in situ |
| N/A | Oxidant-paraffin candles with pneumatic circulators | Airlift Environmental, Inc. | R42ES022530 | Aquifer remediation | Chlorinated solvents such as TCE | May improve remediation of hard-to-treat aquifers |
| N/A | Biocatalyst composite with a novel monoculture | Microvi Biotechnologies | R43/R44ES022123 | Water resource remediation | 1,4-dioxane and chlorinated co-contaminants | Less costly, no secondary waste stream |
| N/A | Patented technology for profitable dilute metal recovery | Blue Planet Strategies, LLC | R43ES020096 | Recover and reuse metal ore to clean up acid mines | Metals such as iron | Reuses materials, treats waste as a resource |