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November 15, 2008 6:00 AM PST

"Smart" wastewater bio-treatment takes over where porta-potty leaves off

by Mark Rutherford
(Credit: SHSU)

In wars of yore, the slit-trench was state-of-the art field sanitation, filled to the brim and then maybe backfilled; but today, when even losers are litigious, it's not a good idea to leave that kind of mess.

Now, the Texas Research Institute for Environmental Studies (TRIES) at Sam Houston State University and PCDworks, a technology innovation firm, have developed a self-sustaining, portable and "smart" wastewater treatment system that promises to take over where the porta-potty leaves off. (PDF)

Housed in the ubiquitous 40-foot shipping container, the Deployable Aqueous Aerobic Bioreactor (DAAB,) can convert a battalion's worth of wastewater (the effluent from approximately 600 soldiers) to something that meets Environmental Protection Agencystandards within 24 to 48 hours, according to TRIES.

A self-contained, bio-digestion unit uses specially selected bacteria to remove organic and inorganic materials from the waste, and then releases "clean" water into the environment "with no harmful consequences." The system is completely autonomous. It adjusts flow and fluid levels automatically, and can dispatch reports and alerts, and be turned on and off via the Internet.

It runs on common household 120-volt, and while the treated runoff is not potable (yet), it's good enough for other uses like irrigation, according to PCDworks.

"The potential implications of this technology are huge," SHSU's Sabin Holland, told Waste World magazine. "We can increase the health and safety of our troops overseas by eliminating the need for unreliable wastewater treatment contractors, clean up Katrina-type disaster sites more rapidly, and deliver safer water supplies to third world countries."

DAAB units are expected to be deployed to Iraq in 2010--another reason to stick around.

Mark Rutherford is a West Coast-based freelance writer. He is a member of the CNET Blog Network, and is not an employee of CNET. Email him at markr@milapp.com. Disclosure.
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by bowlie1 November 15, 2008 10:42 AM PST
So, it runs on common household 120-volt, does it? That will come in handy should you invade Mexico, Canada or Japan.
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by November 16, 2008 7:31 AM PST
Very hi-tech. NOT. My company was selling similar units to remote mining camps in Canada 30 YEARS ago and we just now figured out they may be useful in Iraq! Doh!
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by bsharkey November 16, 2008 2:24 PM PST
2 words: travel converters
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by ttshell December 18, 2008 12:52 PM PST
Wow...very impressive... There are several <a rel="follow" href="http://www.mesawasteservices.com/state-TX.html">Texas Portable Potty & Sanitation Companies</a> that would make the trip to dump here if there were not cost... some info on that please?
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About Military Tech

The military establishment's ever increasing reliance on technology and whiz-bang gadgetry impacts us as consumers, investors, taxpayers and ultimately as the "defended." Our mission here is to bring some of these products and concepts to your attention based on carefully selected criteria such as importance to national security, originality, collateral damage to the treasury and adaptability to yard maintenance-but not necessarily in that order.

Mark Rutherford is a member of the CNET Blog Network and is not an employee of CNET.

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