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E-M:/ Environmental Engineering seminar series

------------------------------------------------------------------------- Enviro-Mich message from Kirk Riley ------------------------------------------------------------------------- Spring 2007 Environmental Engineering seminar series (http://www.egr.msu.edu/cee/programs/ENE_Seminar_Series_SS07.htm))

The seminar is open to public

If you plan to attend, please notify Lori Hasse at hasse@egr.msu.edu *no later than March 9, 2007*

Thursday, March 15, 2007
4:10pm – 5:00pm
Location: 2320 Engineering Building
Refreshments Provided

*Dr. Francis A. DiGiano*
Department of Environmental Sciences and Engineering
University of North Carolina at Chapel Hill

*Advancing Water Sustainability and Improving Drinking Water Quality*

A futuristic look at water infrastructure weaves together seemingly disparate themes of water reclamation, decentralized wastewater treatment, water quality in distribution systems and fire protection. While the dual water concept is not new, a decentralized approach to water reclamation, inclusive of a shift of fire protection from the potable to non-potable water reuse system could become the new infrastructure model.  The membrane bioreactor technology is particularly well-suited to decentralized water reclamation.  While not reducing the demand on water resources, shifting fire protection to non-potable water will greatly reduce the potable water pipe diameters in suburban regions of existing water distribution systems and in new, small community developments.  Aside from the cost savings in use of smaller pipes, water residence time within the potable water distribution system will decrease sharply because pipe volume is much smaller.  Reducing the residence time will improve drinking water quality because there is less time for unwanted reactions such as disinfectant decay, bacterial regrowth and formation of disinfection by-products.  Smaller pipe diameters may also make economically feasible the use of materials such as stainless steel that are more resistant to chemical and microbial reactions.  Case studies of both existing and planned water reclamation projects will illustrate the concepts.

Sponsored by the Department of Civil and Environmental Engineering, MSU

For further information please contact Dr. Volodymyr Tarabara, Department of Civil and Environmental Engineering at tarabara@egr.msu.edu

Accommodations for persons with disabilities may be requested by contacting Lori Hasse (hasse@egr.msu.edu).

Kirk S. Riley
University Outreach and Engagement
Michigan State University
Kellogg Center, Garden Level
East Lansing, MI  48824
(517) 353-8977  Fax: (517) 432-9541
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