BAUER Group to expand the world’s biggest constructed wetland treatment plant in Oman

BAUER Expansion wetland treatment plant Oman 2 GroThe wetlands are home to more than 140 species of animalsThe BAUER Group has been awarded the contract to expand the world’s biggest industrial constructed wetland in the Sultanate of Oman on behalf of Petroleum Development Oman (PDO)

The plant's first stage was completed in 2011 by the local subsidiary of BAUER Resources GmbH (BAUER Nimr LLC). The flagship project for treating contaminated water from oil extraction in the Sultanate of Oman in Nimr has won numerous international awards for excellence in sustainability, innovation and safety.

The innovative wetland treatment technology is unique in utilising gravity-flow and natural processes to remove a heavy load of hydrocarbons from the water. In addition to the excellent treatment performance, with the hydrocarbon content in water being reduced to below 0.5 ppm at the outlet of the wetlands, almost 95 per cent of the crude oil entering the 10.5km2 facility is recovered or removed without the use of electricity or chemicals. Following an expansion in 2014, 115,000 m3 can now run through the plant every day. Furthermore, the desert site has been converted into a home to more than 140 species of animals, including a multitude of birds, fish and reptiles.

The commissioned expansion will now see the plant’s capability being expanded by 60,000 m3 per day to reach a total capacity of 175,000 m3 per day. BAUER Nimr LLC will be responsible for designing, constructing and operating the plant until 2044. The entire project is worth over EUR 160mn. Construction will be finished by the end of 2019, after which Bauer will operate the plant on a 25-year basis. 

"The Nimr water treatment plant in Oman is one of our most innovative and significant projects in the Resources segment and the Group as a whole," said  Prof. Thomas Bauer, chairman of the Management Board of BAUER AG. "The outstanding cooperation with our partners in the company in Oman and the work accomplished will enable us to continue on this path of joint success and build on it."

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