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Carolinas Chapter Winter Meeting
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1/25/2018
When: January 25, 2018
5:30 PM
Where: Draught
601 S Cedar St
Charlotte, North Carolina 
United States
Contact: Jenn Thomas

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AEG Carolinas Winter Meeting

Date: Thursday, January 25, 2018
Time: 5:30 pm social begins, 7:00 pm buffet dinner, 8:00 pm presentation
Location: Draught, 601 S Cedar St, Charlotte, NC
Presentation by: Dr. Kevin T. Finneran, Associate Professor, Clemson University Environmental Engineering
Cost: Members $30, Non-members $40, Public sector $15, Teachers $10; Non-members $60; Students free with ID
Reservation Deadline: Thursday, January 18, 2018
Contact: jen@jenntecllc.com
Details: http://www.aegcarolinas.org/charlotte-dinner-meeting-jan-25-2018

Presentation Abstract:

Cr(VI) bioremediation has generally been predicated on stimulating strictly microbial reactions, in which the cells must directly interact with the contaminant(s) to transform it. While this can be effective and efficient, there are times when direct cellular interactions are slow, incomplete, or completely impossible. We have been investigating combined microbial-chemical reactions for both organic and inorganic contaminants, and how to best promote different microbial populations for increasing the rate and extent of attenuation. One effective approach has been microbially mediated reactions, which promote secondary chemical reactions that transform contaminants of concern. This has been particularly effective with metals and metalloids, and Cr(VI) in particular. The cells reduce electron acceptors including Fe(III) or reducible natural organic matter (humic substances), and the reduced Fe(II) or humic material chemically transfers electrons to Cr(VI). This process has been referred to as extracellular electron shuttling, but in reality, is more of an understanding of how electron transfer takes place within contaminated water/solid environments.

We will discuss new approaches in this technology including electron transfer via activated carbon. An alternative approach is when chemical treatment precedes microbial treatment, such as when chemical oxidants or reductants are applied for contaminant transformation, and microbial activity is then promoted to degrade residual contamination.

Laboratory and field data will be presented.

Presenter Resume:

Kevin T. Finneran, Ph.D., Associate Professor, Department of Environmental Engineering and Earth Sciences, Department of Microbiology, Clemson University. Kevin is an associate professor of environmental engineering at Clemson University; he received his Ph.D. in microbiology in 2001 at the University of Massachusetts at AMherst. He has been a professor at the University of Illinois Urbana Champaign, and a consultant at Geosyntec. His expertise is environmental remediation using microbial an chemical reactions. He is a Kavli Fellow of the National Academy of Sciences (NAS), which recognizes young researchers considered experts in their field. He owns and operates Finneran Environmental, LLC, which support clients on the most difficult or problematic environmental remediation projects.  

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