Denitrification rates in these areas estimated from nitrate deficits and water-mass age tracers yield a global rate of water-column denitrification in the range of 60–90 Tg N yr −1 (refs 9, 10 ...

Des Moines Water Works said costs for removing nitrates from our water were $1.5 million in 2015.The special facility used to remove it from the water operated for a record 177 days last year.

To simulate pore-water advection, the dominant transport process in the upper layer of the permeable sand beds, intact sediment cores were perfused with aerated seawater. This perfusion increased ...

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 ...

Denitrification, Its Importance Once Diluted, May Be Back On Top Date: September 4, 2009 Source: Princeton University ... But when they took samples of water in the Arabian Sea, ...

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 ...

In 2005, they confirmed that bacteria supporting the anammox reaction dominated the removal of nitrogen in a low-oxygen region off the Peru coast. But when they took samples of water in the Arabian ...

In this episode of the Ohio Ag Net Podcast, Joel Penhorwood speaks with Sam Park, Ohio Channel Technical Agronomist. Sam ...

The technology to retrofit activated sludge with denitrification and solids removal in a downflow deep-bed filter was first patented in 1973. This was followed by a series of patents for other ...

Denitrification, its importance once diluted, may be back on top, ... a marine technician, collect water samples from the Arabian Sea for their study of the nitrogen cycle.

Hampton Roads waterways give the region and state an economic competitive advantage, local leaders say. “The blue economy is ...