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.

引用

页数：7

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