MASS-TRANSFER CHARACTERISTICS OF OXYGEN AND CARBON-DIOXIDE IN AN ARTIFICIAL GILL

被引：5

作者：

MATSUMOTO, H ^{[1
]}

KAKIMOTO, A ^{[1
]}

SATO, S ^{[1
]}

机构：

[1] MITSUBISHI HEAVY IND CO LTD,KOBE SHIPYARD & MACHINERY WORKS,KOBE 652,JAPAN

来源：

KAGAKU KOGAKU RONBUNSHU | 1991年 / 17卷 / 06期

关键词：

MEMBRANE SEPARATION; ARTIFICIAL GILL; ARTIFICIAL LUNG; SPACE DEVELOPMENT; MASS TRANSFER COEFFICIENT;

D O I：

10.1252/kakoronbunshu.17.1201

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

As a subsystem of a closed ecological life support system (CELSS), an artificial gill using a hydrophobic microporous hollow-fiber module was proposed. Dissolved oxygen and carbon dioxide can be exchanged between the aqueous phase in an algae cultivation tank and that in a fish habitation tank in opposite directions by contacting these two aqueous phases in the artificial gill. Two aqueous phases can be contacted as a liquid-gas membrane-liquid system in the present artificial gill, which allows simultaneous absorption and stripping of gases. In this system, mass transfer resistance through the microporous membrane can be ignored. The liquid-phase mass transfer coefficient inside the lumen k(Li) could be correlated by an equation similar to the Sieder-Tate equation proposed for heat transfer, and the mass transfer coefficient on the shell side was about 70% of k(Li). Also, a design method for the artificial gill is proposed on the basis of the data obtained.

引用

页码：1201 / 1208

页数：8

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