Click here for an abstract of the study. A detailed paper about the trials is available upon request by contacting Lars Larsson. Email: email@example.com ; telephone: +46 8 475 63 60 / Cell: +46 76 127 40 60*WEF. 2009. MOP No. 32: Energy Conservation in Water and Wastewater Facilities **EPA (2010). Evaluation of Energy Conservation Measures for wastewater treatment facilities. EPA 832-R10-005. About Sanitaire Sanitaire, a Xylem brand, is committed to providing innovative diffused aeration and biological wastewater treatment solutions to help meet the growing challenge of clean water. Installed in thousands of municipal and industry wastewater treatment applications worldwide, Sanitaire equipment and technologies ensure quality, energy efficient and dependable operations. Standard and customized solutions are designed with deep process capability, experience and regulatory insight to meet any demand from design through installation and ownership with integrity. For more information about Sanitaire, visit www.sanitaire.com About Xylem Xylem (XYL) is a leading global water technology provider, enabling customers to transport, treat, test and efficiently use water in public utility, residential and commercial building services, industrial and agricultural settings. The company does business in more than 150 countries through a number of market-leading product brands, and its people bring broad applications expertise with a strong focus on finding local solutions to the world’s most challenging water and wastewater problems. Launched in 2011 from the spinoff of the water-related businesses of ITT Corporation, Xylem is headquartered in White Plains, N.Y., with 2011 revenues of $3.8 billion and 12,500 employees worldwide. The name Xylem is derived from classical Greek and is the tissue that transports water in plants, highlighting the engineering efficiency of our water-centric business by linking it with the best water transportation of all -- that which occurs in nature. For more information, please visit us at www.xyleminc.com.