Human activities add large quantities of nitrogen to the environment, much of which gets washed into streams and rivers.

Three methods for assaying nitrification and denitrification were compared in agricultural field plots in the Southeastern USA. Nitrification was measured using the chlorate inhibition enzyme assay, ...

Underground environments like soil and aquifers teem with microbial life. These tiny microbes play a big role in cycling ...

After more than a decade of inquiry, a Princeton-led team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans. For ...

During combustion - one of the most popular industrial processes across all industry sectors - the chemical energy in fuels, such as natural gas, coal, or oil, is converted into heat by oxidization.

Denitrification bioreactors are engineered systems designed to remove nitrate from contaminated waters, particularly those influenced by agricultural practices. By utilising a solid carbon ...

Limnology and Oceanography, Vol. 63, No. 2 (March 2018), pp. 687-701 (15 pages) We investigated anaerobic nitrogen (N) cycling in the water column of Lake Kivu, a deep meromictic tropical lake in East ...

In the new cycle of AMPs in the UK, the Environment Agency (EA) is starting to impose total nitrogen limits in accordance with the European Urban Wastewater Directive for nutrient sensitive zones.

As ice sheets melted during the deglaciation of the last ice age and global oceans warmed, oceanic oxygen levels decreased and "denitrification" accelerated by 30 to 120 percent, a new international ...

After more than a decade of inquiry, a team of scientists has turned the tables on a long-standing controversy to re-establish an old truth about nitrogen mixing in the oceans. After more than a ...