Cooking with paper slug, char and clay at a London industrial park
Now the machine is in place the PhD research can go one step further than the ‘laboratory bench phase’. The machine can validate what are the best ways to produce lightweight aggregate at a commercial scale from residual wastes produced by local industrial processes. Local manufacturers include TEG (anaerobic digestion and composting plant), Chinook Urban Mining (gasification plant) and Closed Loop Recycling (Plastic Recycling Facility). Their residual products include for example hot water, paper slug, low grade plastics and char.
Together with clay from the London area the machine produces little ceramic balls that can be used as substrate for green rooftops or as building material for the London SIP area. Due to the used process the heavy metals, that may still be present in the substrate, are captured inside the globules and won’t leak into the environment. If the Space Shuttle can enter the atmosphere safely by using ceramic tiles it is easy for me to believe that these globules will hold and give residual waste a new and valuable purpose.
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