Milk protein concentration by ultrafiltration with rotating disk modules

被引：28
|
作者：
Ding, LH [1 ]
Al-Akoum, O [1 ]
Abraham, A [1 ]
Jaffrin, MY [1 ]
机构：
[1] Univ Technol Compiegne, CNRS, UMR 6600, F-60205 Compiegne, France
来源：
DESALINATION | 2002年 / 144卷 / 1-3期
关键词：
skim milk ultrafiltration; dynamic filtration; rotating disk;
D O I：
10.1016/S0011-9164(02)00334-X
中图分类号：
TQ [化学工业];
学科分类号：
0817 ;
摘要：
Ultrafiltration of UHT skimmed milk has been carried out using a smooth disk and a disk equipped with 6-mm-high vanes rotating at high angular velocity omega near a circular 50 kD membrane. Permeate turbidity was less than 2 NTU confirming complete casein micelles retention. The addition of vanes to the disk increases the permeate flux by about 56% due to higher fluid core velocity resulting in higher shear rate at the membrane The permeate flux increases as omega(0.9) and remains independent of concentration until a volume reduction ratio (VRR) of 3 at 2000 rpm. The maximum theoretical VRR corresponding to zero flux was 9.6 for a disk with vanes.
引用
收藏
页码：307 / 311
页数：5
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