English | 简体中文 | 繁體中文 | 한국어 | 日本語
Monday, 4 July 2011, 14:27 HKT/SGT
Share:
    

Source: Siemens
Siemens Successfully Concludes R&D Project on Low-energy Seawater Desalination: Technology Ready for Full-scale Testing
- Results presented at Singapore International Water Week, new process reduces desalting energy by over 50% compared to best available technology
- To set up full-scale system in cooperation with Singapore's PUB by 2013

SIWW, Singapore, July 4, 2011 - (ACN Newswire) - Having set a new energy saving benchmark for seawater desalination, Siemens is now poised to transition their ground-breaking technology to the product development phase. As a result of an R&D initiative that commenced in October 2008, a demonstration plant was built in Singapore to treat seawater to drinking water quality. The results, which will be presented at Singapore International Water Week, show that the new process reduces desalting energy by over 50% compared to best available technology. The next step for Siemens is to set up a full-scale system in cooperation with Singapore's national water agency PUB by 2013.

In Singapore, which is an island nation, and in other regions, seawater is becoming increasingly important in replenishing the supply of drinking water. However, to desalinate it for potable use is an extremely energy-intensive process. "Our new technology marks a revolution in seawater desalination," said Ruediger Knauf, Vice President of Siemens Water Technologies' Global R&D. "The results of our pilot facility show that the new process not only functions in the laboratory but also on a larger scale in the field. Because of its high energy efficiency and thus good CO2 footprint, electrochemical seawater desalination can play a major role in regions suffering from freshwater shortages."

Since December 2010, the Siemens demonstration unit has been treating 50 m3 of seawater per day at a PUB facility in Singapore. The project goal was to produce World Health Organization standard drinking water quality from seawater, at the same time cutting energy consumption by half compared to current technologies. Instead of using reverse osmosis, which requires highpressure pumps to force water through semi-permeable membranes, the Siemens engineers turned to electrochemical desalination. The process combines Electrodialysis (ED) and Continuous Electrodeionization (CEDI), both applying an electric field to draw sodium and chloride ions across ion exchange membranes and out of the water. As the water itself does not have to pass through the membranes, the process can be run at low pressure, and hence low power consumption.

The seawater is pre-treated with a self-cleaning disk filter, followed by Memcor ultrafiltration modules. The pilot desalination plant is composed of three ED units arranged in series to handle high concentrations of salt. They are followed by three CEDI units assembled in a parallel flow configuration to remove smaller amounts of salt. The energy demand of the whole process including pumping, pre-treatment, desalting, and post-treatment is less than half of what is used by the best available seawater desalination technologies today, which is typically between 3.4 - 4.8 kWh/m3. Besides the energy savings, other advantages are low vibration and noise levels, improved safety, and only minimal pre- and post-treatment.

These achievements have been attained in close partnership with Singapore's national water agency PUB and Singapore's Environment & Water Industry Programme Office (EWI), which awarded an R&D grant to co-fund Siemens as a result of a Challenge Call in 2007. "We are very pleased that our joined efforts have come to fruition and show such promising results," said Harry Seah, Director Technology and Water Quality of PUB. "Now we are working with Siemens Water Technologies to construct a full-scale customer pilot in our upcoming desalination testing facility in Tuas." Setting up this pilot by 2013 is the next milestone in transitioning the electrochemical desalination technology to a viable product offering.

The Challenge Call is part of EWI's focus to raise Singapore's status as a global hydrohub with R&D as the key driver. With a research funding of S$330 million from the National Research Foundation, EWI aims to create a vibrant and thriving R&D landscape in Singapore.

For more information, please visit http://www.siemens.com/siww.
Further information about solutions for water treatment is available at: http://www.siemens.com/water


About Siemens

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 EU30.2 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 EU6.0 billion in fiscal year 2010. http://www.siemens.com/industry-solutions.

Contact:
Stefanie Schiller
Media Relations
Siemens AG
Industry Sector - Industry Solutions Division
Tel: +49 9131 7-42913
E-mail: [email protected]

Contact USA:

Ms. Allison Britt
Corporate Communications
Siemens Industry, Inc.
Water Technologies Business Unit
Tel: +1-847-713-8477
E-mail: [email protected]


Source: Siemens

Topic: Research and development
Sectors: Water, Environment
http://www.acnnewswire.com
From the Asia Corporate News Network


Copyright © 2018 ACN Newswire. All rights reserved. A division of Asia Corporate News Network.

 

Siemens Releated News
July 7, 2015 12:00 HKT/SGT
Strong International Presence at MTA VIETNAM2015 Set to Boost Vietnam's Manufacturing Scene
Dec 5, 2014 20:00 HKT/SGT
OSEA2014 and OGmTech2014 Provide Point of Entry to Asia's Oil & Gas Arena
July 4, 2011 15:21 HKT/SGT
Siemens Provides Carbon Media Replacement and Reactivation Services for the Dow Companies in Thailand's Wastewater Treatment Plant
July 4, 2011 14:48 HKT/SGT
Linking Water, Energy and Environmental Sustainability: Siemens R&D Projects Hit Key Milestones
July 27, 2010 22:07 HKT/SGT
POWER-GEN Asia Launches Preliminary Conference Programme for Annual Gathering of Power Industry Professionals
More news >>
Copyright © 2018 ACN Newswire - Asia Corporate News Network
Home | About us | Services | Partners | Events | Login | Contact us | Privacy Policy | Terms of Use | RSS
US: +1 800 291 0906 | Beijing: +86 10 8405 3688 | Hong Kong: +852 2217 2912 | Singapore: +65 6304 8926 | Tokyo: +81 3 6721 7212

Connect With us: