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United States Environmental Protection Agency
Superfund Research Program Small Business Water Innovation Progress in Research: Session I - Sustainable Approaches to Remediation
Sponsored by: NIEHS Superfund Research Program
Original Time/Date of Presentation:

March 21, 2016, 1:00 PM - 3:00 PM, EDT (17:00-19:00 GMT)

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Presentation Overview:

The National Institute of Environmental Health Sciences (NIEHS) Superfund Research Program (SRP) is hosting a series of webinars to highlight SRP-funded projects around the country that support innovation in water technologies and research. The Superfund Research Program Small Business Water Innovation Progress in Research series will feature SRP Small Business Innovation Research / Small Business Technology Transfer Research (SBIR/STTR) grantees working on new technologies for detection and remediation of hazardous substances in water, including arsenic, dioxane, and trichloroethylene and other chlorinated solvents.

The webinars are free and open to the public. Each webinar will begin with a brief update of the technology followed by an open question and answer session. This format is meant to facilitate a dialogue between the small business innovators and stakeholders during the early in the stages of research progress - to ensure successful technology transfer and application by end users.

This session, "Sustainable Approaches to Remediation," will feature presentations from Lynntech Inc., Airlift Environmental LLC, MicroChemica LLC, and Microvi Biotechnologies. Their presentation abstracts are presented below.

Enhanced Non-fouling Membranes for Water Purification and Recycling
David Battaglia, Ph.D., Lynntech Inc.

Lynntech has developed advanced osmosis membrane technology with greatly improved anti-fouling characteristics capable of greatly reducing system maintenance and component consumables within membrane based purification systems.

Remediating Contaminated Groundwater with Slow-Release Oxidants
Steve Comfort, Ph.D., Airlift Environmental LLC

Airlift Environmental has been manufacturing oxidant-wax cylinders (i.e., candles) for the last few years and inserting them at field sites to quantify their efficacy to treat contaminated groundwater. To improve oxidant coverage and prevent downward migration, we bubble air beneath the oxidant candles. Current efforts are underway to deploy the oxidant candles with aerators by direct-push, design refillable injection points and test alternative slow-release (i.e., wax-less) oxidant delivery systems.

Rapid and Inexpensive Alternative for Ion Analysis: Online Microchip Electrophoresis
Philippe Dekleva and Scott Noblitt, Ph.D., MicroChemica LLC

MicroChemica's research involves developing microchip capillary electrophoresis (MCE) instrumentation and associated chemistry to detect ionic species in raw and remediated waters, aerosols, and other environmental applications. It can be used in an on-line manner for continuous monitoring with detection levels <10 ppb and time resolution of ~1 min in addition to traditional offline analyses. Example analytes include sulfate, nitrate, perchlorate, phosphate, fluoride, alkali metals, divalent metals, and oxidized selenium.

High Performance Bioprocess for Eliminating 1,4-Dioxane in Water
Fatemeh Shirazi, Ph.D., Microvi Biotechnologies

1,4-Dioxane is a probable human carcinogen with high persistence in groundwater. Conventional advanced oxidation processes for treating 1,4-dioxane are costly, energy-intensive, and have a significant risk of producing harmful byproducts. Microvi has developed a new, low-cost biocatalytic technology which can fully degrade nearly any concentration of 1,4-dioxane to less than 5 parts-per-billion. The technology is currently being demonstrated in San Jose, CA.

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