味精废水母液对嗜酸性酵母菌生长及有机质降解影响因素分析  

Analysis on Effects of Monosodium Glutamate Wastewater on Acidophilus Yeast Growth and Degradation of Organic Matter

作　　者：张玉辉[1] 叶永忠[1] 贾翠英[2] 丛威[2] 

机构地区：[1]河南农业大学生命科学学院,河南郑州450002 [2]中国科学院过程工程研究所国家生化重点实验室,北京100080

出　　处：《河南农业大学学报》2006年第2期173-176,180,共5页Journal of Henan Agricultural University

基　　金：国家重点基础研究发展规划资助项目(2003CB716007)

摘　　要：研究了味精废水母液的稀释倍数、pH值、摇床转速、(NH4)2SO4浓度及葡萄糖浓度处理对酵母菌生长和降解有机质能力的影响.结果表明,母液稀释5倍,pH值3.5,250 r.min-1培养20 h,最大生物量(干重)为8 g.L-1,COD(化学需氧量)去除率为80.2%;高浓度(NH4)2SO4对酵母菌生长和降解有机质能力有一定的抑制作用,添加葡萄糖能促进酵母菌生长和提高有机质降解能力.Studies were conducted on the effect of dilution ratio, pH value, rotation speed, and （NH4）2SO4 and glucose concentration of monosodium glutamate wastewater on the growth and organic matter degradation ability of acidophilus yeast. The results showed that the highest biomass 8 g·L^-1, and COD removal efficiency of 80.2% ,were respectively obtained under the conditions of 5 times dilution wastewater, at pH 3.5, 250 r·min^- 1 for 20 h. On the other hand, high contents of ammonium sulphate （（NH4）2SO4） could restrain and added with glucose, could enhance the growth and ability of biodegradation of acidophilus yeast.

关 键 词：味精废水母液 嗜酸性酵母菌 影响因素 有机质 降解能力 

分 类 号：TQ920.1[轻工技术与工程—发酵工程]