Gaskell Bros, based at Winwick near Warrington, have experience in both the quarrying and recycling sectors. Their site, originally a quarry, is now used for landfill and recycling.The majority of material brought in is building, demolition, and public service waste from the surrounding Liverpool, Manchester, and Leigh areas. Gaskell directors Mike Broad and Mark Gaskell saw an opportunity for washing this waste and established their first system in 1999 using the standard aggregate and sand-washing systems popular at the time.
In 2002, however, Gaskell approached CDE for a solution to the excessive fines losses they were experiencing with their conventional bucket-wheel system. CDE supplied a 40 tonnes/h Compact Sands plant that improved the system’s performance with respect to fines recovery and sand dewatering. In 2004/2005 Gaskell decided to revise the complete operation with a view to replacing the existing system that had suffered wear in the harsh recycled aggregates environment.
After consultation with a number of leading plant suppliers Gaskell opted for a new turnkey system from CDE. Mike Broad commented:‘I believe that this is the most advanced aggregate recycling system in the UK. I know of no other manufacturer capable of delivering such a complete system, specifically designed around my individual feed characteristics and output requirements. CDE offered the complete turnkey package from design to commissioning.We were regularly consulted and made important contributions throughout the project.’
The system has to manage a widely varied feedstock that can include plastics, paper and polystyrene in addition to organic contaminants such as soil, clay and wood.When the plant is not washing reclaimed materials at a rate of 120 tonnes/h, it is employed to wash the site’s own reserves of fine sand to produce commercial-grade building sand.