化工学报 ›› 2010, Vol. 61 ›› Issue (5): 1157-1162.
• 分离工程 • 上一篇 下一篇
王斐,南碎飞,窦梅,胡岸松
出版日期:
发布日期:
WANG Fei,NAN Suifei,DOU Mei,HU Ansong
Online:
Published:
关键词: 超滤, 泡沫分离, 内耦合的分离, 浓差极化
超滤,
Abstract:
Membrane separation and foam separation are widely used separation techniques.To make use of their advantages,membrane separation and foam separation were integrated to dispose waste water with low concentration of linear alkylbenzene sulfonate(LAS).A method of forcing bubbles through a single hollow fiber ultrafiltration tube was put forward to study the separation efficiency of the integrated process.The effects of pressure,gas-liquid ratio and LAS concentration on the separation efficiency were investigated.Under the conditions of pressure 0.03—0.1 MPa,gas-liquid ratio 0—0.9,and LAS concentration 0—70 mg·L-1,the membrane permeate flux was raised from 26.5 to 38.6 L·m-2·h-1,increased by 48.6%,and the retention rate was raised from 37.0% to 64.9%,increased by 75.5%.The results show that the integrated process can reduce the concentration polarization and membrane fouling.Moreover,this method reduces the back-mixing of foam separation and increases the concentration of bulk liquid phase for foam separation.Therefore,the integrated separation promotes mass transfer and improves separation efficiency.
Key words: 超滤, 泡沫分离, 内耦合的分离, 浓差极化
王斐, 南碎飞, 窦梅, 胡岸松. 超滤与泡沫分离内耦合应用于表面活性物质浓缩分离的实验研究 [J]. 化工学报, 2010, 61(5): 1157-1162.
WANG Fei, NAN Suifei, DOU Mei, HU Ansong. Experimental study on process integration for ultrafiltration and foam separation[J]. CIESC Journal, 2010, 61(5): 1157-1162.
0 / / 推荐
导出引用管理器 EndNote|Ris|BibTeX
链接本文: https://hgxb.cip.com.cn/CN/
https://hgxb.cip.com.cn/CN/Y2010/V61/I5/1157