MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER

CIESC Journal

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MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER

王世昌; 徐世昌; 秦英杰

Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China

收稿日期:1991-08-26 修回日期:1992-07-10 出版日期:1993-09-28 发布日期:1993-09-28
通讯作者: 王世昌

MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER

WANG Shichang; XU Shichang; QIN Yingjie

Chemical Engineering Research Center, Tianjin University, Tianjin 300072, China

Received:1991-08-26 Revised:1992-07-10 Online:1993-09-28 Published:1993-09-28
Contact: WANG Shichang

摘要/Abstract

摘要： Hydrophobic membrane can provide fast mass transfer for absorption-desorption of gasesform liquid to absorbent.The removal of ammonia from ammonia water and absorption with dilutesulphuric acid was studied in a pilot plant with polypropylene hollow fiber column,The removalrate and influences of operation temperature,flow rate and concentration on mass transferperformances were discussed mathematically.Experimental results and computer calculation show thatthe ammonia removal rate is not affected by the feed concentration for a given system.Both partialand overall mass transfer coefficients vary along the axis of the fiber,and the mass transfer for themembrane process is controlled by membrane resistance.

关键词: mass transfer;membrane absorption-desorption;hollow fiber;ammonia water;ammonia removal rate

Abstract: Hydrophobic membrane can provide fast mass transfer for absorption-desorption of gasesform liquid to absorbent.The removal of ammonia from ammonia water and absorption with dilutesulphuric acid was studied in a pilot plant with polypropylene hollow fiber column,The removalrate and influences of operation temperature,flow rate and concentration on mass transferperformances were discussed mathematically.Experimental results and computer calculation show thatthe ammonia removal rate is not affected by the feed concentration for a given system.Both partialand overall mass transfer coefficients vary along the axis of the fiber,and the mass transfer for themembrane process is controlled by membrane resistance.

Key words: mass transfer, membrane absorption-desorption, hollow fiber, ammonia water, ammonia removal rate

王世昌, 徐世昌, 秦英杰. MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER[J]. CIESC Journal.

WANG Shichang, XU Shichang, QIN Yingjie. MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER[J]. .

MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER

MASS TRANSFER IN MEMBRANE ABSORPTIONDESORPTION OF AMMONIA FROM AMMONIA WATER

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