Performance evaluation of enhanced SBR in simultaneous removal of nitrogen and phosphorous

被引：15
|
作者：
Ghehi, Tahereh Jafarzadeh [1 ]
Mortezaeifar, Soheil [2 ]
Gholami, Mitra [3 ]
Kalantary, Roshanak Rezaei [3 ]
Mahvi, Amir Hossein [4 ]
机构：
[1] Univ Tehran Med Sci, Sch Publ Hlth, Dept Environm Hlth Engn, Tehran, Iran
[2] Islamic Azad Univ, Fac Environm & Energy, Sci & Res Branch, Dept Environm Engn Water Resources, Tehran, Iran
[3] Iran Univ Med Sci, Sch Publ Hlth, Dept Environm Engn, Tehran, Iran
[4] Univ Tehran Med Sci, Inst Environm Res, Ctr Water Qual Res, Tehran, Iran
来源：
JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE AND ENGINEERING | 2014年 / 12卷
关键词：
Biological nutrient removal; Enhanced biological SBR; Phosphorous removal; Nitrification-denitrification; C/N/P ratio; SEQUENCING BATCH REACTOR; WASTE-WATER TREATMENT; BIOFILM REACTOR; NUTRIENT REMOVAL; STEP-FEED; BIOLOGICAL PHOSPHORUS; NITRIFICATION; NITRITE; SYSTEM; CARBON;
D O I：
10.1186/s40201-014-0134-2
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Background: Simultaneous nitrogen, phosphorous and COD removal in a pilot-scale enhanced Sequencing Batch Reactor (eSBR) was investigated. Methods: The reactor consisted of a pre anoxic zone and internal recycle and was fed with synthetic wastewater. The study was performed by operating the reactor in 6-hour cycles in three different operational modes during a time frame of 279 days. Results: Under the best operational conditions, the average removal rate of COD, TN, and TP were obtained as 93.52, 88.31, and 97.56%, respectively. Conclusions: A significant denitrifying phosphorus removal (more than 80%) occurred at run1 and 3 which started the cycle under anoxic condition.
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页数：7
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