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Siemens AG

Sinopec selects Siemens for wastewater treatment at Chinese refinery

(PresseBox) (Warrendale, Pennsylvania, USA, )
Siemens Water Technologies will provide a system to treat wastewater at China Petroleum & Chemical Corporation (Sinopec Corp.)'s Anqing refinery, in Anhui Province, China. The complete wastewater treatment solution will include a powdered activated carbon treatment (PACT) system, a Zimpro wet air regeneration (WAR) hydrothermal unit, and a Hydro-Clear sand filtration system. The three-tier system will be used to treat salty and oily wastewater from refining and petrochemical production activities from existing and upgraded units. The wastewater needs to meet the Chinese specifications for surface discharge. The system will become operational in 2012.

The 1,000 m3/h Anqing system will help Sinopec discharge a cleaner effluent and also generate approximately 500 m3/h of reusable water. The refinery will reuse the water in its cooling tower system, which will help to further offset the strain on China's surface water bodies.

To treat the refinery's wastewater, Siemens will install a PACT system, which combines biological treatment and carbon adsorption into a single, synergistic treatment step to remove organics. The solids are pumped as slurry to the Zimpro WAR unit where the carbon is regenerated and biological solids are destroyed. As it will generate virtually no sludge that requires landfill disposal or incineration, the WAR system will help to lower operating costs for the Anqing refinery's wastewater treatment. The Hydro-Clear filter system makes it possible to filter large volumes of water and return it to the cooling circuit, resulting in large savings in the amount of fresh water required and thus further reducing costs. The entire wastewater treatment system's small footprint design will also reduce land requirements.

The Sinopec refinery discharges its treated wastewater into the Yangtze - the third largest river in the world and the largest in China. Preserving and maintaining this major waterway's water quality and ecosystems is one of the Chinese government's main environmental initiatives. Siemens' approach will help reduce the environmental impact of the treated effluent. The new wastewater treatment system is the seventh project that Siemens Water Technologies has worked on with Sinopec Corp.

Sinopec Corp. is one of the largest crude oil and petrochemical companies in China and Asia. It is also one of the largest gasoline, diesel and jet fuel and other major chemical products producers and distributors in the region. The principal operations of Sinopec Corp. and its subsidiaries include: exploring, developing, producing and trading crude oil and natural gas; processing crude oil into refined oil products; producing, trading, transporting, distributing and marketing refined oil products; and producing and distributing chemical products.

PACT, Zimpro, and Hydro-Clear are trademarks of Siemens and its affiliates in some countries.

Further information about solutions for water treatment is available at: http://www.siemens.com/water

Siemens AG

The Siemens Industry Sector (Erlangen, Germany) is the worldwide leading supplier of environmentally friendly production, transportation and building 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. In fiscal 2010, which ended on September 30, 2010, revenue from continuing operations of the Industry Sector (excluding Osram) totaled around €30.2 billion. At the end of September 2010, Siemens Industry Sector had around 164,000 employees worldwide without consideration of Osram. Further information is available on the Internet at: 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/...

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The publisher indicated in each case is solely responsible for the press releases above, the event or job offer displayed, and the image and sound material used (see company info when clicking on image/message title or company info right column). As a rule, the publisher is also the author of the press releases and the attached image, sound and information material. The use of information published here is generally free of charge for personal information and editorial processing. Please clarify any copyright issues with the stated publisher before further use. In case of publication, please send a specimen copy to service@pressebox.de.