biotech
Using Dehalococcoides to Reduce Tricholorethene Contamination in Groundwater
Filed in archive Energy, Environment and Ecology , Microbiology by ruth on February 29, 2008
Using Dehalococcoides to Reduce Tricholorethene Contamination in Groundwater
Researchers have demonstrated that a water treatment system using microorganisms called membrane biofilm reactor (MBfR) is effective in eliminating the common contaminant chlorinated solvent trichloroethene (TCE) from groundwater.

They took an existing MBfR that was handling perchlorate removal and then introduced TCE into the system.

Rittmann's MBfR works by delivering hydrogen gas to the bacteria through tiny hollow tubes submerged in water. In the right environment, the tubes become coated with a biofilm containing microorganisms. The system provides the microorganisms with hydrogen gas, which must be present for the microorganisms to change the chemical composition of a contaminant and render it harmless.


In the process, the researchers were able to enrich the population of a new type of Dehalococcoides, a special dehalogenating bacteria that can take the hydrogen supplied by the MBfR and reduce TCE all the way to harmless ethene. Using the latest molecular techniques, they could not only identify the bacterial population to handle TCE, but also the genes within these populations that make enzymes that detoxify TCE to ethene.

Source

Permalink: Using Dehalococcoides to Reduce Tricholorethene Contamination in Groundwater
Tags: bioremediation  tricholoethene  TCE  groundwater  environment  2007  contamination+groundwater  tricholoret 
Trackback: http://publish.creative-weblogging.com/publish/mt-tb.pl/115405
img Addthis img Ask img Blinklist img del.icio.us img Digg img Fark img Facebook img Google img Lycos img Ma.gnolia Add this page to Mister Wong Mr Wong img Netscape img Netvousz img Newsvine img Reddit img StumbleUpon img Slashdot img Tailrank img Technorati img Wink img Yahoo

Vote for Using Dehalococcoides to Reduce Tricholorethene Contamination in Groundwater:

  • Currently 9.00/10
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
Rating: 9.00 out of 1 vote(s) cast.
 
Subscribe
Share It
Popular posts from our other blogs:
RSSrss
See all blog subscribe options
Google google
What is RSS?
Yahoo! yahoo
Addthis Subscribe using any feed reader!
Bloglines Bloglines
Newsletter

TwitterFollow us on Twitter!