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At Iron Duke Mine, South Australia, we established a haul road dust control program to demonstrate the success of using our HAUL-CAP product.

HAUL-CAP was applied to site water carts at a 1:100 ratio to make the solution. Water carts carry 60,000 litres of water, each load with 600 litres of product added each time. The water cart application rate was between 0.8-1.2 litres of solution for 1 square metre of road surface. A 9 kilometre length section of haul road (approximately 25 metres wide) was tested to ascertain the ideal spray profile and optimal product ratio (taking 3-6 days).

Water spray trucks were used 15 times in a 10 hour shift. After adding our solution, these trucks were instead used an average of 6 times in a 10 hour shift.

The product usage calculations after 6 days of the program were as follows:

  • Total of 1,000 litres of product to support 150,000 litres of solution;
  • 210,000 litres of water usage was saved for the day;
  • There was a 60% time reduction for water truck usage for the day.

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