WASTE RECYCLING
Scott Bros enlists Teesside University’s help to recycle unwanted ‘filter cake’
WASTE recycling experts Scott Bros. Ltd are hoping academics from Teesside University can assist in finding a practical solution for utilising their own particular brand of unwanted ‘filter cake’.
The Teesside firm’s state-of-the-art £1m wash plant processes construction and excavation waste into high quality sand and aggregate for use in the building and construction industry.
However, 30% of every 20-tonnes which pass through the wash plant process is fine-grained clay-based ‘filter cake’ material which can only be used as a pond lining clay or inert fill.
Scott Bros. Ltd is working with experts from the university’s School of Science, Engineering and Design to find a practical and commercial use for the filter cake, whilst making positive contributions towards the circular economy in Teesside.
The research, which will conclude next summer, is already producing “encouraging results” in its quest to find a method of binding the material together to produce a commercial cementitious product. Possibilities include its use in the brick manufacturing process, floor screeds and, potentially, ground improvement.
The research carried out by the university is part-funded by a government grant and is part of the Knowledge Transfer Partnership (KTP) programme, designed to help businesses innovate through academic support.
Peter Scott, a director of Scott Bros, said: “This sustainable process is creating in-demand building products, but we are determined to achieve zero waste. We would dearly love to say that
(L-R) Bob Borthwick and Peter Scott of Scott Bros with Dr Paul Sargent and research graduate Feysal Shifa
we recycle 100% of everything passing through the wash plant into valuable construction material.”
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