Results 1 - 10 of 492 for denitrification within all areas of the EPA. Only web pages are included. Search all document formats.

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Controls on Denitrification and Ammonia Production in Constructed Wetlands Designed for Nitrate Removal (NO3- >1 mg L-1)
"Describes a project on controls on denitrification and ammonia production in constructed wetlands designed for nitrate removal."
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
EPA 540 R - 01 501 & 540 R - 01 501A: EcoMat Inc. Biological Denitrification Process07-17-2009
"Provides information about the EcoMat, Inc. biological denitrification process."
http://www.epa.gov/nrmrl/pubs/540r01501/540r01501.htm (HTML)
Use of Multiple Isotope Tracers (d15N, d34S, d13C, d18O) To Track Changes in Denitrification Electron Donors02-10-2004
... in this research project starts with a detailed study of denitrification mechanisms near an incised headwater stream, where metal sulfides are likely to play an important role in the denitrification budget ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Use of Multiple Isotope Tracers (d15N, d34S, d13C, d18O) To Track Changes in Denitrification Electron Donors02-10-2004
... in this research project starts with a detailed study of denitrification mechanisms near an incised headwater stream, where metal sulfides are likely to play an important role in the denitrification budget ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Nitrogen Removal in Constructed Wetlands: Enhancement of Nitrate Mass Transfer in the Denitrification Zone
... microcosms and field-scale mesocosms will be used to measure denitrification rates and nitrate mass transfer under four experimental conditions... I expect to find that episediment denitrification is greater than denitrification in a purely sediment-based wetland.
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Final Report | A Low-Cost UV Raman Instrument Measuring Nitrate and Nitrite for Improved Operation and Control of Nitrification/Denitrification Treatment Processes03-20-2006
... and economical approach to nitrogen removal is biological nitrification and denitrification... During biological denitrification, biological reactors are operated without oxygen addition, so that the ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Denitrification in Permeable Continental Shelf Sediments on the South Atlantic Bight10-07-2004
EPAADDEDTEXT rfa; funding Denitrification in Permeable Continental Shelf Sediments on the South Atlantic Bight Denitrification in Permeable Continental Shelf Sediments on the South Atlantic Bight ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Denitrification in Permeable Continental Shelf Sediments on the South Atlantic Bight10-07-2004
Preliminary results indicate that denitrification occurs in the presence of oxygen, probably within suboxic microenvironments ... Coupled nitrification-denitrification may quantitatively consume regenerated nitrogen within the upper oxic zone ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Denitrification Coupled Biotreatment of PAHs for Treating Wet Soils05-23-2004
EPAADDEDTEXT rfa; funding Denitrification Coupled Biotreatment of PAHs for Treating Wet Soils Denitrification Coupled Biotreatment of PAHs for Treating Wet Soils ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)
Biological Denitrification With a Mixed Hydrogen-Oxidizing Culture in a Membrane Reactor02-11-2004
Supplemental Keywords: fellowship, groundwater, nitrate, denitrification, biological denitrification, mixed hydrogen-oxidizing denitrifying culture, process-development experiments, membrane reactor ... EPAADDEDTEXT rfa; funding Biological Denitrification With a Mixed Hydrogen-Oxidizing Culture in a Membrane Reactor Biological Denitrification With a Mixed Hydrogen-Oxidizing Culture in a Membrane Reactor ...
http://cfpub.epa.gov/ncer_abstracts/index.cfm/fuseaction/display.abstr... (HTML)

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