|Table of Contents|

APPLICATION OF UF/NF IN RESOURCE RECLAMATION OF SOYBEAN WHEY(PDF)

《大豆科学》[ISSN:1000-9841/CN:23-1227/S]

Issue:
2007年04期
Page:
597-602
Research Field:
Publishing date:

Info

Title:
APPLICATION OF UF/NF IN RESOURCE RECLAMATION OF SOYBEAN WHEY
Author(s):
LU Si-hao1; 2; ZHANG Cong-liang1; CHEN Fu-ming2; WANG Yan1; WANG Xiao-yu3
1School of Chemical Engineering，Zhengzhou University，Zhengzhou，450002;
2Research Institute of Tsinghua University in Shenzhen，Shenzhen，518057;
3Hongxing Water Treatment Technology Corporation，Harbin，150090
Keywords:
Ultrafiltration; Nanofiltrationm soybean whey; Soy protein; Oligosaccharides; Isoflavones .
PACS:
TQ932
DOI:
10.3969/j.issn.1000-9841.2007.04.028
Abstract:
The application of ultrafiltration and nanofiltration in the resource reclamation of soybean whey was studied.The results revealed that while a hydrophilic PS UF membrane (MWCO 5kDa) was adopted in filtrating the soybean whey under a crossflow manner，the permeate flux declined with the increase of volume concentration ratio (VCR )，on condition that VCR was larger than 8，the decline rate was slower comparatively.The UF retaining ratios of protein，salinity，sugar and isoflavones were around 90%，3%，7.2% and 6.1% respectively.The UF permeate was treated with a polyamide NF (NF-1812，MWCO360Da，FILMTECT) which had a salinity retaining ratio below 20%，sugar and isoflavones retaining ration about 95% and 85%.While VCR was less than 3，the NF permeate flux would decline linearly with the increase of VCR，thereafter，it changed relatively slowly.

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Last Update: 2014-10-21