Siemens Water Technologies has commissioned a wastewater treatment system for the Wuxi Xincheng Plant in China's Jiangsu Province. An upgrade to the existing wastewater treatment plant, the system includes a Siemens advanced Membrane Biological Reactor (MBR) system. It is producing 30,000 cubic meters per day of high quality effluent that meets or exceeds the national discharge standard of Class I-A, allowing the treated water to be safely discharged to Taihu Lake.
The MBR system at Wuxi Xincheng integrates the conventional biological treatment process with membrane filtration using Siemens' Memcor membranes. It can significantly reduce both nitrogen and phosphorus in the treated effluent by breaking down the organic nutrients and filtering the solids. Compared with conventional technology, the MBR system requires about 75% less footprint to install, which is important for existing plants with limited space.
Siemens completed this MBR project within 12 months after signing the contract.
Located in the highly developed and densely populated Yangtze River Delta, the Taihu Lake has been increasingly polluted in recent years. As part of its efforts to clean up the Lake, Jiangsu province set out to improve sewage treatment capacities in cities surrounding the lake area.
The MBR system will allow the Xincheng plant to better serve over 100 high tech enterprises in the Wuxi New District's industrial park, which has experienced a 20 to 25 percent annual increase in wastewater.
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