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微孔膜气体分布器对气液传质的影响 被引量:2

A Study on the Pergormance of Membranous Gas Distributor
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摘要 本文开发了一种新型微孔膜气体分布器,并对使用该分布器时鼓泡塔反应器内气液传质性能进行了研究。实验结果表明,使用这种新型膜气体分布器可以得到细小均匀的气泡,较大幅度地增大了气液传质比表面积,从而大大强化了反应器的传质能力。 An unique membranous gas distributor has been developed in laboratory in order to produce fine and uniformly distributed bubbles and hence to provide a large specific interracial area. The performance of such distributor was studied in a bubble reactor. The experimental results showed that the use of such new type membranous distributor a 3-fold increase of volumetric oxygen transfer coefficient even for coalescing media such as air-water system could be obtained, and the specific interracial area determined by sodium sulfite oxidation method was increased more than 10 times in comparison with the normal orifice.
出处 《高校化学工程学报》 EI CAS CSCD 1992年第2期147-152,共6页 Journal of Chemical Engineering of Chinese Universities
关键词 微孔膜 气体分布器 气液传质 Microporous membrane , Gas distributor , Bubble reactor, Mass transfer
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