Recovery and concentration by electrodialysis of tartaric acid from fruit juice industries waste waters

被引:0
|
作者
Andres, LJ [1 ]
Riera, FA [1 ]
Alvarez, R [1 ]
机构
[1] UNIV OVIEDO,DEPT CHEM ENGN,E-33071 OVIEDO,SPAIN
关键词
tartaric acid; electrodialysis; waste waters; recovery; fruit juice;
D O I
10.1002/(SICI)1097-4660(199711)70:3<247::AID-JCTB763>3.0.CO;2-8
中图分类号
Q81 [生物工程学(生物技术)]; Q93 [微生物学];
学科分类号
071005 ; 0836 ; 090102 ; 100705 ;
摘要
Electrodialysis (ED) has been used as a membrane technique to concentrate tartaric acid from ion exchange regeneration waters obtained in grape juice treatment. The initial ion tartrate concentration in these streams varies between 1 and 10 kg m(-3) and can be concentrated more than 60% (53.2 kg m(-3) after 13 300 s). Permeate flux of ether common ionic components has been shown. Optimum intensities and current efficiency have been calculated with synthetic solutions. A mathematical approach has been used to predict final tartaric acid concentration and electro-osmotic effects.
引用
收藏
页码:247 / 252
页数:6
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