Jaunolaine, Latvia

The technology start with Septage pumping station. The wastewater inlet to Balancing tank and it is distributed to aerobic tank by selector. Aerobic tank has two zones. The first zone is a Denitrication tank without aeration, that is mean the nitrate is transformed to nitrogen. Wastewater than continues to the Nitrification tank with aeration where ammonia nitrogen is transformed to nitrite and nitrate. The technology also consist of Sedimentation and Sludge holding tank.

Operation of Jaunolaine Wastewater Treatment Plant (WWTP) ensures primary mechanical and secondary biological treatment of sewage and septage delivered by road tankers and small industry effluents which totally is equal to 4300 Population Equivalents (PE). The raw sewage is collected from contributing area of Jaunolaine and conveyed to WWTP by a pressure piping system (pumping station in front of the WWTP). The treated final effluent flows to the river.