Membrane oxygen enrichment : I. Demonstration of membrane oxygen enrichment for natural gas combustion |
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| Affiliation: | 1. State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China;2. Army Aviation Institute, Beijing 101116, China;1. State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian 116024, PR China;2. Department of Chemical and Biomolecular Engineering, the Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China;3. State Key Laboratory of Catalysis, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, PR China |
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| Abstract: | Combustion with oxygen-enriched air can substantially reduce fuel consumption in certain industrial applications. The use of membranes is a potentially attractive approach for producing oxygen-enriched air. A variety of membrane materials and operating conditions can be used to produce oxygen concentrations in the range of interest, which is generally 25 to 35% O2. To determine the optimum system, a trade-off must be made between capital cost (membrane area) and operating cost (pumping power). A silicone-based membrane oxygen enricher was fabricated and factory tested. As expected, a substantial reduction in natural gas consumption was achieved. During the test period some membrane degradation was experienced due to pinhole formation. It was determined that pinholes were not a result of the factory environment, and that use of a membrane oxygen enricher to achieve fuel savings is technically feasible. |
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