Siemens to equip Jeddah sewage treatment plant with one of largest odor control systems in Saudi Arabia

WARRENDALE, PA, Oct. 30, 2009 -- Siemens Water Technologies will supply a nine-piece odor control system at the 250,000 m³/d North Jeddah Sewage Treatment Plant (STP) in the Kingdom of Saudi Arabia...

Pennwell web 300 225
Pennwell web 300 225
Multiple technologies allow Siemens to offer the most efficient odor control solution.

WARRENDALE, PA, Oct. 30, 2009 -- Siemens Water Technologies will supply a nine-piece odor control system at the 250,000 m³/d North Jeddah Sewage Treatment Plant (STP) in the Kingdom of Saudi Arabia. As the STP is located next to the King Abdullah Aziz Airport in Jeddah, the Ministry of Water and Electricity requested that odor control equipment be installed. Valued at more than US$2 million, the system will consist of three different technologies located at five areas throughout the plant. Once completed by year's end, this will be one of the largest odor control installations in all of Saudi Arabia.

The Ministry selected Siemens for its odor control experience and number of installations in the Kingdom. Siemens is one of the few bidding companies that was able to provide a multitude of odor control solutions, including a combination of biological, chemical, and activated carbon. Siemens will also guarantee the overall system's efficiency.

Two two-stage bio-trickling filters will remove the bulk of hydrogen sulfide (H2S) in the aerated grit chambers and bio-phosphorus tanks, followed by a LO/PRO two-stage chemical scrubber to reduce overall odors. A three-stage chemical scrubber will remove 99.9% of H2S and other odors in the sludge thickener and tanks area. Three additional scrubbers will be installed in the sludge dewatering building to treat ammonia and amines, H2S, and organic sulfur compounds in three separate stages. A ZABOCS biofiltration unit installed in the return and excess sludge pumping station will remove H2S and various other odorous compounds. A single-stage packed tower chemical scrubber in the aeration tanks rounds out the system, treating a high volume of air and a range of odors and concentrations in a small footprint.

For this project, Siemens again teamed up with Riyadh-headquartered project manager Aziz.

Siemens Water Technologies has a number of odor control installations in the Kingdom of Saudi Arabia, including a chemical scrubber in Wady Al Dawasir; six carbon systems in Riyadh; seven biological systems and four carbon systems in Dhahran; and two biological systems in Taif.

About The Siemens Industry Sector
The Siemens Industry Sector (Erlangen, Germany) is the world's leading supplier of production, transportation, building and lighting technologies. With integrated automation technologies as well as comprehensive industry-specific solutions, Siemens increases the productivity, efficiency and flexibility of its customers in the fields of industry and infrastructure. The Sector consists of six Divisions: Building Technologies, Drive Technologies, Industry Automation, Industry Solutions, Mobility and Osram. With around 222,000 employees worldwide Siemens Industry posted in fiscal year 2008 a profit of EUR3.86 billion with revenues totaling EUR38 billion. www.siemens.com/industry

About Siemens Industry Solutions Division
With the business activities of Siemens VAI Metals Technologies, (Linz, Austria), Siemens Water Technologies (Warrendale, Pa., U.S.A.), and Industrial Technologies, (Erlangen, Germany), the Siemens Industry Solutions Division (Erlangen, Germany) is one of the world's leading solution and service providers for industrial and infrastructure facilities. Using its own products, systems and process technologies, Industry Solutions develops and builds plants for end customers, commissions them and provides support during their entire life cycle. With around 31,000 employees worldwide Siemens Industry Solutions achieved an order intake of EUR 8.415 billon in fiscal year 2008.

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