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08/22/12 Aeration Strategies for THM WEBINAR IEPA#5195
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08/22/12 Aeration Strategies for THM WEBINAR IEPA#5195

8/22/2012
When: Wednesday, August 22, 2012
From 10:00 am to 11:00 am pm CST
Where: At your home or office computer
Contact: Lisa Hoffhines


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Aeration Strategies for THM

ONLINE REGISTRATION IS CLOSED FOR THIS EVENT - TO VIEW THE ARCHIVED WEBINAR - PLEASE USE A CONTACT FORM AND WE WILL SEND YOU THE WEBINAR WHEN IT BECOMES AVAILABLE

IEPA#5195

The Stage 2 Disinfection Byproducts Rule has led some water utilities to consider aeration as a potential, cost effective treatment approach to remove TTHMs after formation and in the distribution system.  Aeration of TTHMs is controlled by Henry’s Law constants - with chloroform the most and bromoform the least volatile.  Since HAA5s are not volatile, they are not removed by aeration.  While substantial information regarding aeration treatment of TTHMs is available from the literature going back to the 1980s, new interest in the topic has focused on applying aeration in distribution systems to minimize TTHM concentrations at localized distribution system "hot spots.”

This webinar will introduce THM aeration strategies including bubble, surface, and spray aeration and highlight important design considerations.  Modeling and testing approaches will be described.  Full-scale demonstration results will be shared including water quality and operational data regarding reservoir mixing, pH changes, headspace ventilation requirements, and reduction of chlorinated and brominated TTHM species within the distribution system. 

PRESENTER: Chad Seidel & Steve Acqufredda, Jacobs Engineering Group

REGISTRATION & HOURS: This webinar will begin at 10:00am and conclude by 11:00am CST. Earn up to 1 PDH or RTC hour. After registering with Illinois Section AWWA, attendees will be furnished via email with all materials and links needed to participate in the webinar. Questions? Call 866-521-3595 Ext. 3

COST:
Early Bird Registration: Free for Illinois Section AWWA Members • $30.00 for non members
Day of Event Registration: Free for Illinois Section AWWA Members • $50.00 for non members

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