Content tagged "gas-permeable membranes"

Recovery of Ammonia and Production of High-Grade Phosphates from Digester Effluents

Animal Manure Management Updated: May 10, 2017

 Conservation and recovery of nitrogen and phosphorus from animal wastes and municipal effluents are important because of economic and environmental reasons....

Early Stage Economic Modeling of Gas-permeable Membrane Technology Applied to Swine Manure after Anaerobic Digestion

Animal Manure Management Updated: March 21, 2017

The objective of this study was to conduct cost versus design analysis for a gas-permeable membrane system using data from a small pilot scale experiment and...

Improved Recovery of Ammonia From Swine Manure Using Gas-Permeable Membrane Technology and Aeration

Animal Manure Management Updated: May 15, 2015

Significant efforts are required to abate NH3 emissions from livestock operations. In addition, the costs of fertilizers have rapidly increased in recent...

Development of Pilot Modules for Recovering Gaseous Ammonia from Poultry Manure

Animal Manure Management Updated: March 18, 2015

There is major interest from producers and the public in implementing best control technologies that would abate ammonia (NH3) emissions from confined...

Ammonia Recovery from Livestock Wastewater with Gas Permeable Membranes

Animal Manure Management Updated: November 18, 2013

Waste to Worth home | More proceedings....This presentation shows a novel system that uses gas-permeable membranes to capture and recover ammonia from liquid...

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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.