Wastewater treatment for jewelry facility in China to be supplied by Siemens

Nov. 29, 2010
WARRENDALE, PA, Nov. 29, 2010 -- Siemens will provide a wastewater treatment system capable of handling 9,000 tons per day of domestic wastewater for Shenzhen Lilang International Jewellery Industry Park (SZLIJIP)...
The Siemens' MemPulse membrane bioreactor (MBR) reduces energy consumption and decreases operation and maintenance costs. Photo: Siemens AG

WARRENDALE, PA, Nov. 29, 2010 -- Siemens (Tianjin) Water Technology Engineering Co. Ltd. (SWTE) has received an order from Shenzhen Zhongying Precious Metal Co. Ltd. worth several million US dollars. In the scope, Siemens will provide a wastewater treatment system capable of handling 9,000 tons per day of domestic wastewater for Shenzhen Lilang International Jewellery Industry Park (SZLIJIP). The solution will use Siemens advanced MemPulse membrane bioreactor (MBR) system. This engineering project will be the first of its kind for Siemens in China with underground MBR construction from a private-owned investment enterprise. The wastewater treatment system is scheduled to start up by mid of 2011.

"This is another successful MBR project right after Beijing BeiXiaoHe Wastewater Treatment Plant, and Wuxi XinCheng Wastewater Treatment Plant MBR project. The Zhongying MBR project proves Siemens' technology advance and competitiveness on MBR systems," said Alfred Ng, General Manager of Water Technologies of Siemens Ltd., China.

Membrane bioreactor systems combine the advantages of traditional biological treatment with membrane treatment process. Compared to traditional treatment processes, MBR systems can provide reduced land area, improved effluent quality and reduced sludge output. The MemPulse MBR system represents the latest in advanced water treatment technology: Instead of introducing air continuously to the membrane modules, the MemPulse system uses a mechanical device that supplies irregular pulses of air to scour the membranes. This reduces the aeration system energy consumption and decreases operation and maintenance costs.

As a significant construction project in Shenzhen, SZLIJIP covers land area of 120,000 sqm (construction area 530,000 sqm) with total investment of about 200 million US dollars. It is the biggest jewelry industry base in China covering, among others, jewelry processing, manufacturing, exposition, auction, wholesale and international trading. SZLIJIP incorporates environmental friendly and low carbon-emission design through an international environmental engineering consultant company for the overall industrial park planning and detailed engineering design works.

The MemPulse membrane bioreactor (MBR) is part of Siemens' Environmental Portfolio. In fiscal 2010, revenue from the Portfolio totaled about €28 billion, making Siemens the world's largest supplier of ecofriendly technologies. In the same period, our products and solutions enabled customers to reduce their carbon dioxide (CO2) emissions by 270 million tons, an amount equal to the total annual CO2 emissions of the megacities Hong Kong, London, New York, Tokyo, Delhi and Singapore.

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation, building and lighting technologies. With integrated automation technologies and comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 204,000 employees worldwide (September 30), Siemens Industry achieved in fiscal year 2010 total sales of approximately €34.9 billion. www.siemens.com/industry

The Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities comprising the business activities of Siemens VAI Metals Technologies, Water Technologies and Industrial Technologies. Activities include engineering and installation, operation and service for the entire life cycle. A wide-ranging portfolio of environmental solutions helps industrial companies to use energy, water and equipment efficiently, reduce emissions and comply with environmental guidelines. With around 29,000 employees worldwide (September 30), Siemens Industry Solutions posted sales of €6.0 billion in fiscal year 2010. http://www.siemens.com/industry-solutions

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