期刊
ADVANCES IN ENVIRONMENTAL SCIENCE AND ENGINEERING, PTS 1-6
卷 518-523, 期 -, 页码 5347-5350出版社
TRANS TECH PUBLICATIONS LTD
DOI: 10.4028/www.scientific.net/AMR.518-523.5347
关键词
sequencing batch reactor; screening; simultaneous nitrogen and phosphorus removal
The successful cultivation of aerobic granular sludge used for simultaneous nitrogen and phosphorus removal in sequencing batch reactor (SBR) was performed using a synthetic domestic wastewater and conventional flocculent activated sludge as seeding sludge. The removal efficiency of sludge for chemical oxygen demand (COD),ammonia nitrogen and phosphate was 92.4%,88.1% and 95.9%, respectively. After screening, a strain was obtained with high efficient in nitrogen and phosphorus removal. By analyzing, the strain was identified as Raoultella ornithinolytica. After strain accumulation, the strain cultured at 30 degrees C for 24h. The ammonia nitrogen and phosphate removal efficiency were 78.3% and 92%, respectively.
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