Shuihuan Pure Water provides its largest denitrification deep bed filter for China's sewage treatment plants.

Shanghai, China, March 25, 2013 - Severn Trent Services (STS), the world's leading supplier of water and wastewater treatment solutions, recently signed a contract with Tianjin Electromechanical Import & Export Co., Ltd., which will be Tianjin Jinnan Wastewater. The first phase of the treatment plant provides TETRA Denite denitrification deep bed filter technology. The first phase of the plant is 550,000 tons of sewage per day. With the implementation of water resources management regulations, sewage treatment discharge and reuse water quality standards are strictly required. The installation of this filter tank can ensure that the total nitrogen (TN) emission of Tianjin Jinnan Wastewater Treatment Plant meets Grade A standard. The STS has designed a 30-mesh filter with a size of 28.45 m*3.56 m and a total filtration area of ​​over 3,000 m2. According to the plan, the project will be commissioned in October this year.
Tianjin Jinnan Wastewater Treatment Plant is the relocation project of Jizhuangzi Wastewater Treatment Plant. It is strongly promoted by Tianjin Construction and Transportation Committee, Planning Bureau, Water Affairs Bureau, Municipal Highway Bureau, Chengtou Group, and Jinnan District and Xiqing District Government.
TETRA Denite is a fixed-film bio-denitrification process that removes total nitrogen and suspended solids in a single step compared to the single function of other filtration technologies. Therefore, TETRA Denite has a lower overall investment cost and lower cost. Small footprint, free operation and maintenance.
Over the past 40 years, TETRA Denite has been used in a wide range of markets to meet the stringent requirements of customers for wastewater treatment. This technology of STS officially entered China in 2002, and the system has been successfully applied to many domestic projects.

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