@article {Shiskowski:2008:1938-6478:307,
	author = "Shiskowski, Dean M.",
	title = "GHG EMISSIONS, NITROUS OXIDE AND YOUR BIOREACTOR THINGS TO THINK ABOUT",
	journal = "Proceedings of the Water Environment Federation",
	volume = "2008",
	number = "6",
	year = "2008",
	abstract = "Greenhouse gas (GHG) emissions and the carbon footprint of wastewater treatment facilities have quickly become important topics of interest to municipalities and utilities. Nitrous oxide (N<SUB>2</SUB>O) is a powerful GHG with a global warming potential approximately 300 x carbon dioxide and it can be generated by microorganisms within a bioreactor. Oxygen is a key substrate that influences the N<SUB>2</SUB>O generation potential. Provision of excess oxygen to the bioreactor can practically eliminate N2O generation, but such an approach comes at a cost in terms of power needed to supply oxygen and carbon dioxide equivalents associated with off-site electrical power generation. This paper examines the sensitivity of a strategy to reduce the bioreactor N<SUB>2</SUB>O generation potential, in the context of minimizing total GHG emissions, in a hypothetical treatment facility where off-site electricity is produced by one of three primary sources: hydropower, nuclear and coal (no carbon capture/sequestration) that reflect primary electricity production in the Canadian provinces of British Columbia, Ontario and Alberta, respectively.",
	pages = "307-317",
	url = "http://www.ingentaconnect.com/content/wef/wefproc/2008/00002008/00000006/art00021",
	doi = "doi:10.2175/193864708788808465"
}