使用中空纤维膜向液相系统中供氧时,无肉眼可见的气泡产生.与传统的泡式供氧相比,这种新颖的膜式无泡供氧具有传氧效率高、无泡沫产生和能耗低等优点,特别适宜应用于发酵、活性污泥废水处理和动物细胞培养等生物反应和人工控制的生命过程中.本文对中空纤维膜无泡供氧过程的传质机理、传质阻力、传质方程和影响传质系数的操作参数等传质性能进行深入探讨,并提出了"边界层压缩"模型,以解释在无泡供养中传质系数随压力变化的原因.
参考文献
| [1] | Cǒté P L;Bersillon J L;Huyard A.Bubblefree aeration using membranes:process analysis[J].Journal of the Water Pollution Control Federation,1988(11):1986-1992. |
| [2] | Cǒté P L;Bersillon J L;Huyard A.Bubble-free aeration using membranes:mass transfer analysis[J].Journal of Membrane Science,1989(01):91-106. |
| [3] | Ahmed T;Semmens M J.The use of independently sealed microporous hollow fiber membranes for oxygenation of water[J].Journal of Membrane Science,1992(01):1-20. |
| [4] | 沈志松,钱国芬,朱晓慧,王猛.无泡式中空纤维膜发酵供氧的初步研究[J].膜科学与技术,1998(06):42-48. |
| [5] | 虞星炬.膜生物反应器研究进展[J].化工进展,1993(01):11-16. |
| [6] | Zwischenberger J B;Tao W;Bidani A .Intravascular membrane oxygenator and carbon dioxide removal devices:a review of performance and improvements[J].ASAIO Journal,1999,45:41-46. |
| [7] | Voss M A;Ahmed T;Semmens M J.Long-term performance of paralled-flow,bubbleless,hollow-fiber-membrane aerators[J].Water Environment Research,1999(01):23-30. |
| [8] | Johnson D W;Semmens M J;Gulliver J S.A rotating membrane contactor:application to biologically active systems[J].Water Environment Research,1999(12):163-168. |
| [9] | 秦麟源.废水生物处理[M].上海:同济大学出版社,1989:164-166. |
| [10] | Semmens M J;Voss MA.An analysis of bubble formation using microporous hollow fiber membrane[J].Water Environment Research,1999(03):307-315. |
| [11] | 王东文,陈洁,支正良,王猛,沈志松.新型活性污泥废水处理供氧方式--中空纤维膜无泡式供氧研究进展[J].环境污染治理技术与设备,2001(01):71-76. |
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