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| 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.
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| 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.
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