Siemens Water Technologies ( will supply membrane technologies to the Beijing Bei Xiaohe Wastewater Treatment Plant (Bei Xiaohe WWTP). The plant will also serve the recreational water and reuse water for the Olympic Park in 2008. Beijing is the host city for the 2008 Olympic Games. According to Siemens, the project is currently the largest of its kind in the world and will be finished at the end of 2007. The contract is worth an estimated $18 million.

Bei Xiaohe WWTP, located at the Asia Games Village venue in the northern part of Beijing City, has a capacity of 40,000 m3 per day with a service population of 400,000 and a service area of 30 square kilometers. According to the long-term plan, the plant will be expanded to 100,000 m3/day. The plant was put into service since in 1990 and served the municipal wastewater and recreational water for the Beijing Asia Game in the same year.

The plant will be equipped with a membrane bioreactor (MBR), using Siemens’s Memcor ultrafiltration membranes. Thus, the capacity will increase to 60,000 m3 per day, including 50,000 m3 municipal water and 10, 000 m3 recreational water for the Olympic Park at the end of 2007, to fully meet the requirements of increasing demands of water utilization. Also, the Siemens scope of delivery includes mechanism, electrical and automation systems, instruments, and services.