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Membrane purification of anaerobic digester gas
AbstractTwelve membrane materials with different composition were tested for their permeability to CH4, CO2 and H2S. Two of the most promising membranes for selective permeability were tested over a range of temperature and pressure. Cellulose acetate gave the best ideal separation factor for all the conditions of temperature and pressure studied. Best results were obtained at low temperatures and high differential pressures. This membrane was further tested for its ability to selectively remove CO2 and H2S from a mixture of CH4, CO2 and H2S approximating biogas. For the temperatures, pressures, and stage cuts tested, the best separation occurred at 25°C, 550 kPa, and a stage cut of 0·45.
Membrane purification of anaerobic digester gas
AbstractTwelve membrane materials with different composition were tested for their permeability to CH4, CO2 and H2S. Two of the most promising membranes for selective permeability were tested over a range of temperature and pressure. Cellulose acetate gave the best ideal separation factor for all the conditions of temperature and pressure studied. Best results were obtained at low temperatures and high differential pressures. This membrane was further tested for its ability to selectively remove CO2 and H2S from a mixture of CH4, CO2 and H2S approximating biogas. For the temperatures, pressures, and stage cuts tested, the best separation occurred at 25°C, 550 kPa, and a stage cut of 0·45.
Membrane purification of anaerobic digester gas
Kayhanian, Masoud (author) / Hills, David J. (author)
Biological Wastes ; 23 ; 1-15
1987-03-23
15 pages
Article (Journal)
Electronic Resource
English
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