Using Recycled Glass for Pressure Blasting Steel Surfaces and the Waste produced in Firing Heavy Clay Constructed Products

The GREENBLAST project will be marketing the innovative solution of recycling glass twice which will prevent thousands of tonnes of waste going to landfill. Currently waste glass is collected from homes (and businesses) for recycling. Due to the lack of demand there is an excess of green coloured glass which must be stored or sent to landfill. This project proposes an eco-innovative process and business model to make use of this in two different industries, effectively “double recycling” the waste glass, as shown below

i) Waste glass can be used in place of copper slag or grit for metal surface preparation. This technique, called blasting forms a large part of shipyard work. Using recycled glass for blasting has been proven in small scale applications in previous projects. The waste from this process consists of glass powder containing metal and paint particles

ii) The waste product from blasting is suitable for use in the heavy clay industry in the manufacture of bricks, pipes and tiles. The use of glass enables low temperature kiln firing and/or higher quality end products, which can reduce costs and the environmental impact

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