80333 München, de
Sinopec selects Siemens for wastewater treatment at Chinese refinery
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
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