What is the current state of play?

Throughout European countries, quarry and road stone producers have used traditional asphalt plant to manufacture the majority of asphalt products.

Such conventional plant has limitations:

  • These are designed to produce coated products in larger commercially viable quantities.
  • Changing product recipes can be more difficult and cause waste, due to the continuous nature of the process.
  • Static plant creates a significant environmental footprint, due to the impact of high transport requirements and mobile heating.
  • Operational plant requires large storage areas to maintain operational levels of feedstock.
  • Operational difficulties matching the various elements of the process may cause wastage.
  • Conventional systems have high fuel consumption, wasting both electric and gas/ oil, through an inability to modulate burners and dryers.
  • Conventional plant has higher maintenance costs.
  • Conventional plant has a higher running cost.
  • Conventional plant is static, and therefore causes high transport costs for the road-stone, both financial and environmental.
What are we trying to achieve?
  • Demonstrate a mobile plant of 4 modules each transportable on 40 tonne lorries, able to be installed and operational within days.
  • Reduce the size of the site required from 120 M2 to 20M2, and reduce by up to 60% the land required for materials storage.
  • Demonstrate a low level plant with improved visual impact through a structure height of 12 Metres compared to 25 Metres currently.
  • Demonstrate an innovative filtration system reducing emissions to less than 10mg/M3 against an industry standard of 100mg/M3.
  • Reduce consumption of fuel (gas/oil) by up to 30% compared to existing plants through burner control system development.
  • Reduce consumption of power (electricity) by up to 75% compared to existing plants through new design green motors, inverters and computerised control systems.
  • Increase levels of mixed recycled materials used to produce road-stone coating from a current level of 10%, to 50%.
  • Reduce noise levels of the system to 40Db(A), enabling it to be situated in urban areas.
  • Demonstrate a programmable IT control system to maximise plant efficiency and production quality, integrating all plant processes.