| abstract |
The utility model relates to an autotrophic denitrification reactor, which is characterized in that the denitrification reactor comprises a tank body, and the interior of the tank body is divided into a water distribution area, a denitrification reaction area, a filtering area, a three-phase separation area and a nitrogen gas chamber from bottom to top; the sulfur oxidizing bacteria enrichment material is arranged in the denitrification reaction area and is used for treating sewage; a water inlet pipe is arranged at the bottom of the outer side of the tank body, an air supply pipe is arranged above the water inlet pipe, and the water inlet pipe and the air supply pipe are both communicated with a water distribution area; the top outside the jar body is equipped with the nitrogen gas trachea, and the tracheal one end of nitrogen gas intercommunication nitrogen gas chamber, the other end is parallelly connected inlet tube and air supply pipe for it is internal to flow back the jar with the nitrogen gas that sulfur oxidizing bacteria treated sewage and produced. |