Keywords external air lift reactor;Rhodopseudomonas sphaeroides;monosodium glutamateprocessing wastewater;BOD_5;biological load;oxygentransfer coefficient;single cell protein.;

• 外循环气升式反应器;球形红假单胞菌;味精废水;生物负荷;氧转移总系数;单细胞蛋白;