A viable alternative to landfill If it can’t be recycled what happens to your household waste


since burying it in the ground has become a thing of the past (thankfully)? Well you burn it – rather, bespoke high temperature incineration plants burn it – so please don’t try this at home!


But what happens once your waste has been burnt at super high temperatures? Well there’s a residue of course which is known in the trade as IBA – Incinerator Bottom Ash and Day Group Ltd trading as Day Aggregates with depots across the whole of the south of England and headquartered in Brentford Middlesex, has been a pioneer in processing IBA for the last eight years. The VOICE paid a visit to Day Aggregates’ new IBA processing facility at Greenwich and met up with Plant Manager Stuart Holmes to find out more, especially so because the company had recently purchased a Volvo EC250E excavator and an L150H loading shovel for the new operation.


Starting out, Stuart Holmes provided some background to Day Aggregates’ interest in processing IBA. “We began


6 THE VOICE MAGAZINE No31 2017


processing IBA at our Brentford facility about eight years ago and it has become a growth part of our product portfolio, to the extent that we decided to convert some of our existing processing facilities at Greenwich and acquire new facilities elsewhere,” says Stuart. “Here at Greenwich the process of developing the new facility started in February last year and following a multi- million pound investment the plant was up and running at the start of this year. We are on target to bring in some 100,000 tonnes of IBA to Greenwich for processing per annum.” The ash which is processed at the Greenwich facility comes in by road from an incineration plant in nearby Deptford. Likewise, Day Aggregates’ Brentford facility takes in IBA from a local incineration plant and another in East Sussex, with the IBA transported by rail. As part of the


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