Capturing and recycling ammonia from livestock waste is possible using a process developed by U.S. Department of Agriculture (USDA) researchers. This invention could help streamline on-farm nitrogen management by allowing farmers to reduce potentially harmful ammonia emissions and concentrate nitrogen in a liquid product to sell as fertilizer.
URL: http://feeds.sciencedaily.com/~r/sciencedaily/earth_climate/recycling_and_waste/~3/_pMSvNFRFSs/121101131601.htm
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