Flux decline during ultrafiltration of kraft black liquor using different flow modules: a comparative study

被引：55

作者：

Satyanarayana, SV

Bhattacharya, PK

De, S ^{[1
]}

机构：

[1] Indian Inst Technol, Dept Chem Engn, Kharagpur 721302, W Bengal, India

[2] Indian Inst Technol, Dept Chem Engn, Kanpur 208016, Uttar Pradesh, India

来源：

SEPARATION AND PURIFICATION TECHNOLOGY | 2000年 / 20卷 / 2-3期

关键词：

black liquor; ultrafiltration; radial cell; rectangular cell; stirred cell; observed rejection; flux analysis;

D O I：

10.1016/S1383-5866(00)00086-1

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Ultrafiltration of black liquor was studied in three different modules, namely, radial cross flow, rectangular cross flow and stirred cell over a wide range of operating conditions. Effects of different cut-off membranes on the permeate flux and observed rejection were also studied in the stirred cell module. Effects of operating conditions, e.g. pressure difference, Reynolds number and feed concentration on the permeate flux and observed rejection were also investigated. Such comparative study may be useful to select a suitable module, membrane and a set of optimum operating conditions to achieve a desired quantity and quality of permeate flux. A comparative analysis of flux decline for different modules is also presented using a simple resistance-in-series model. (C) 2000 Elsevier Science B.V. All rights reserved.

引用

页码：155 / 167

页数：13

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