Treatment of ion-exchange monosodium glutamate waste water by yeast

被引：0
|
作者：
Yang, Q. [1 ]
Yang, M. [1 ]
Zheng, S. [1 ]
Liu, F. [1 ]
机构：
[1] State Key Laboratory of EAC, Res. Ctr. for Eco-Environmental Sci., Chinese Academy of Sciences, Beijing 100085, China
来源：
Huanjing Kexue/Environmental Science | 2001年 / 22卷 / 06期
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摘要：
Two strains of yeasts, Candida halophila and Rhodotorula glutinis, were acquired through screening from ion-exchange monosodium glutamate wastewater(IEMGW) which was characterized by its high contents of COD (40690mg/L), NH4+ -N (16914mg/L) and SO42- (18000mg/L). The mixture of the two species had a good COD removal performance for treating IEMGW in a pH rang of 4 [similar to] 9. The yeast technology was superior to the conventional activated sludge in terms of COD removal and COD decomposition rate, In a dilution rate range of wastewater from 1:1 to 1:9, a COD removal of 84.5% and an average COD decomposition rate of over 1.0 kg/(kg·d) were obtained under an initial pH of 4.
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页码：44 / 48
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