Nitrogen removal from piggery waste using the combined SHARON and ANAMMOX process

被引:44
|
作者
Hwang, IS
Min, KS
Choi, E
Yun, Z
机构
[1] Kyungpook Natl Univ, Dept Engn, Taegu 702701, South Korea
[2] Korea Univ, Dept Civil & Environm Engn, Seoul 136701, South Korea
[3] Korea Univ, Dept Environm Engn, Seoul 136701, South Korea
关键词
nitrogen removal; piggery wastewater; SHARON-ANAMMOX process;
D O I
10.2166/wst.2005.0727
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Nitrogen removal in piggery waste was investigated with the combined SHARON-ANAMMOX process. The piggery waste was characterized as strong nitrogenous wastewater with very low C/N ratio. For the preceding SHARON reactor, ammonium nitrogen loading and conversion rates were 0.97 kg NH4-N/m(3) reactor/day and 0.73 kg NH4-N/m(3) reactor/day, respectively. Alkalinity consumption for ammonium conversion was 8.5 gr bicarbonate utilized per gram ammonium nitrogen converted to NO2-N or NO3-N at steady-states operation. The successive ANAMMOX reactor was fed with the effluent from SHARON reactor. Nitrogen loading and conversion rates were 1.36 kg soluble N/m(3) reactor/day and 0.72 kg soluble N/m(3) reactor/day, respectively. The average NO2-N/NH4-N removal ratio by ANAMMOX reaction was 2.13. It has been observed that Candidatus "Kuenenia stuttgartiensis" were dominated in the ANAMMOX reactor based on FISH analysis.
引用
收藏
页码:487 / 494
页数:8
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