These membranes were effective in producing liquid fertilizers by combining ammonia with acids, thus creating valuable nitrogen-rich ... for livestock wastewater treatment revealed its ...
Failing private sewage systems have led to excess levels of ammonia and fecal coliform bacteria in Donegal Township’s Minnow Run. To help clean up that stream, whose waters ultimately wind up in ...
Instead of relying on energy-hungry reactors to generate high temperatures and pressure, researchers are looking underground at Earth's natural heat and forces to cook up ammonia for fertilizer. In a ...