Himmerfjarden Municipal Sewage Treatment Plant, in Sweden
The DeAmmon process of the Himmerfj ä rden sewage treatment plant in Stockholm, Sweden was officially put into use in 2007. The Himmerfj ä rden sewage treatment plant is currently running well. The nitrogen design load of the plant is 600 kg/day and the nitrogen removal rate is 80%. Hartingen sewage plant in Germany has been put into operation since 2003. The designed nitrogen load of the water plant is 120 kg/day, and the actual operating load is 180 kg/day. The nitrogen removal rate is more than 80%, and no additional carbon source is required, resulting in less sludge.
Process operation parameters
|
Ammonia nitrogen concentration (mg/l) |
Ammonia nitrogen load (kg/d) |
Removal rate (%) |
2008 |
891 |
177 |
73.4 |
2009 |
963 |
193 |
77.8 |
2010 |
1022 |
255 |
62.0 |
2011 |
1183 |
267 |
79.3 |