Siemens to provide IPS composting system in China

Guodian Northeast Environmental Protection Industry Group, Ltd. has selected Siemens Industry Automation Division to supply an IPS composting system using the new Mechanically Enhanced Biodrying (MEB) process for the Shenyang Wastewater Treatment Plant Sludge Treatment Project in Shenyang, China.

It will be the largest IPS composting facility ever built, and one of the largest sludge treatment processes in the world using non-thermal processing. The IPS composting system is scheduled to be commissioned in the fall of 2012.

Siemens to provide IPS composting system Shenyang that will be the largest sludge treatment plant ever built.

The IPS system for Guodian in Shenyang will be used in a new sludge treatment facility that will serve three existing wastewater treatment plants and one new plant. The plants have been landfilling or land applying wet (20% solids) sludge. China recently passed a law that sludge must be a minimum of 60% solids for land application and/or landfill disposal.

In the first commercial application of Siemens' IPS composting system's biodrying process, the Shenyang plant is designed to dewater 1,000 wet tonnes per day of wastewater sludge, from 20% solids to 65% solids without the need to add heat, as in a thermal process. Also, with the MEB process, there is no need to add a significant amount of carbon-rich amendment or bulking agent that is typically the case with most other sludge composting processes. For this application, the design basis is to use less than or equal to 2% (by weight) corn waste as amendment. An accelerated processing time of 22 days, maximum, is expected, even in this cold weather application.

Siemens conducted a six-month pilot test of the MEB process at an existing IPS composting system facility in Merrimack, New Hampshire, USA, from fall 2009 to winter 2010. The study showed that the IPS composting system's MEB process is able to dry and stabilize wastewater sludge that has a total solids content of 20% and a volatile solids content of 60% without the need to add any soil amendments. The MEB process provides a significantly lower energy usage alternative to traditional sludge dryers for reducing the mass of sludge sent to the landfill; thus, it is environmentally beneficial and also lowers operating costs. The study demonstrated that the operating cost savings over thermal drying was approximately 30%.

Based on the success of the pilot study and results of the public tender process, Guodian selected Siemens to execute the project.

To learn more about the MEB process, please stop by Booth # 407 at WEF Residuals and Biosolids 2012.

The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of innovative and environmentally friendly products and solutions for industrial customers. With end-to-end automation technology and industrial software, solid vertical-market expertise, and technology-based services, the Sector enhances its customers' productivity, efficiency, and flexibility. With a global workforce of more than 100,000 employees, the Industry Sector comprises the Divisions Industry Automation, Drive Technologies and Customer Services as well as the Business Unit Metals Technologies. For more information, visit http://www.siemens.com/industry

The Siemens Industry Automation Division (Nuremberg, Germany) supports the entire value chain of its industrial customers – from product design to production and services – with an unmatched combination of automation technology, industrial control technology, and industrial software. With its software solutions, the Division can shorten the time-to-market of new products by up to 50 percent. Industry Automation comprises five Business Units: Industrial Automation Systems, Control Components and Systems Engineering, Sensors and Communications, Siemens PLM Software, and Water Technologies. For more information, visit http://www.siemens.com/industryautomation

Reference Number: IIA2012032807e

Contact
Mr. Peter Jefimiec
Industry Automation Division
Siemens AG
Gleiwitzerstr. 555
90475 Nuremberg
Germany
Tel: +49 (911) 895-7975
peter.jefimiec@siemens.com
Contact USA
Ms. Allison Britt
Water Technologies Business Unit
Siemens Industry, Inc.
2501 N. Barrington Rd.
Hoffman Estates
IL 60192
USA
Tel: +1 (847) 713-8477
allison.britt@siemens.com

Media Contact

More Information:

http://www.siemens.com/water

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