Scottish Water has officially opened its £21 million state-of-the-art waste water treatment works in Inverurie which has the potential to reduce the amount of energy used during the treatment process by half.
The new works, the first in Scotland to make use of the innovative Nereda technology, was opened by Minister for Rural Affairs and the Natural Environment Mairi Gougeon on Friday 6 December.
Mairi Gougeon commented:
“Developing new, more efficient ways of treating waste water through the deployment of new technology, is hugely important as Scotland takes decisive steps towards tackling the climate emergency we are facing around the world.”
The award-winning technology breaks sludge into granules, the structure of which enable multiple treatment processes to take place simultaneously (Granular Activated Sludge). This and the granules’ faster settlement make treating waste water significantly faster and more efficient, while avoiding the need for pumps and mixers. It means less energy and less space is needed to treat a higher quantity of waste water, reducing the operating costs of the site.
It also removes the need to chemically treat the effluent, increasing the protection of the rivers Don and Urie.
The project was delivered by Scottish Water alliance partner ESD and included building new sewer pipework, improving the resilience of the site to flooding and upgrading existing equipment.
Most construction work on site was completed in the Spring and the new treatment process has since been closely monitored during commissioning and beyond.
Chief Executive of Scottish Water Douglas Millican said:
“We are always looking for ways to innovate and protect the environment both locally and globally, so it is very exciting to see this new state-of-the-art treatment works officially opened here in Inverurie – the first of its kind in Scotland.
“Not only does it mean we can continue to treat waste water effectively and protect the environment for years to come, it also underlines our commitment to pursue new ways to lower our energy requirements, towards reaching our ambitious goal of achieving net zero emissions by 2040.”
ESD Chief Operating Officer Wendy Cooper said success in the project had involved close collaboration between Scottish Water, ESD, Royal HaskoningDHV (the suppliers of the Nereda technology) and the wider supply chain.
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