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Making concrete construction bricks from incinerator fly ash has just become viable. The Environment Agency have announced that this new innovative end-use for incinerator fly ash meets the ‘end-of-waste criteria’. Castle Environmental and sister company Castle Construction Products are now investing in additional facilities to increase production and product range. Although there are discussions within DEFRA about reviewing fly ash guidelines for landfill, this still appears to be an ideal solution as it removes all soluble salts from the ash. Full article can be found here

Other Uses for Fly Ash (also known as bottom ash)

  • Production of Concrete (substitute material for Portland cement)
  • Embankments
  • Grout production
  • Waste solidification & stabilization
  • Cement clinkers production
  • Stabilization of soft soils
  • Road sub-base construction
  • Aggregate substitute material

Agricultural uses:

  • Fertilizers
  • Cattle feeders
  • Soil stabilization in stock feed yards
  • Loose application for ice control

Asides from these uses – fly ash is also present in the production of cosmetics, toothpastes, paints, PVCs and many other everyday items.

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