Combination of ion exchange system and biological reactors for simultaneous removal of ammonia and organics

被引：13
|
作者：
Park, Wooshin [1 ]
Jang, Eunhee [1 ]
Lee, Myun-Joo [1 ]
Yu, Seungho [1 ]
Kim, Tak-Liyun [1 ]
机构：
[1] Korea Atom Energy Res Inst, Radiat Res Div Ind & Environm, Jeongeup 580185, Jeonbuk, South Korea
来源：
JOURNAL OF ENVIRONMENTAL MANAGEMENT | 2011年 / 92卷 / 04期
关键词：
Simultaneous removal of ammonia and organics; Cation exchange; Anion exchange; Nitrification; Denitrification; SIMULTANEOUS NITRIFICATION; NITROGEN; DENITRIFICATION; PHOSPHORUS; OXIDATION; CARBON; WATER; SBR;
D O I：
10.1016/j.jenvman.2010.11.028
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
A novel process for a simultaneous removal of ammonia and organics was developed on the basis of ion exchange and biological reactions. From batch experiments, it was found out that NH4+ could be removed effectively by combining cation exchange and biological nitrification showing 0.98 mg N/m(2).s of a maximum flux. On the other hand, the removal of NO3- was 3.5 times faster than NH4+ and the maximum flux was calculated to be 3.4 mg N/m(2.)s. The systems for NH4+ and NO3- removal were combined for establishing the IEBR process. When the process was operated in a continuous mode, approximately 95.8% of NH4+ was removed showing an average flux of 0.22 mg N/m(2).s. The removal efficiency of total nitrogen was calculated as 94.5% whereas that of organics was 99.5%. It was concluded that the IEBR process would be effectively used for a simultaneous removal of NH4+ and organics. (C) 2010 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1148 / 1153
页数：6
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