He Gaohong   

Professor
Supervisor of Doctorate Candidates
Supervisor of Master's Candidates

Title : Director of R & D Center of Membrane Science and Technology

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Language:English

Paper Publications

Title of Paper:中空纤维膜接触器脱除水中溶解氧的研究

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Date of Publication:2008-12-15

Journal:渤海大学学报(自然科学版)

Volume:29

Issue:4

Page Number:308-313

ISSN No.:1673-0569

Key Words:真空脱气;中空纤维;溶解氧;壳程;管程

Abstract:采用自制的聚丙烯中空纤维膜接触器脱除水中溶解氧,分别考察了水在中空纤维膜接触器的管程和壳程流动时,真空度、温度、进水流速以及中空纤维膜的有效长度对溶解氧脱除率的影响.实验结果表明:溶解氧脱除率随着系统真空度的增大而显著提高,在真空度为0.09MPa时,溶解氧脱除率可以达到80%以上;溶解氧脱除率随着流速的增加而增大,当流速达到一定数值之后,溶解氧脱除率保持不变;此外,溶解氧脱除率与中空纤维膜的有效长度密切相关,膜的有效长度越长,溶解氧脱除率越高,但其受进水温度并不明显.

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