Boiler Ash

What is it?

Ash produced during the burning of wood waste and other biomass fuels.

- General Info

Beneficial Uses
  • Alternative liming material
  • Soil stabilizer
  • Odor absorbent for compost and waste treatment
  • Possible concrete additive/cement replacement

- Beneficial Uses
- Case Studies

Properties
  • Properties varied depending on source of ash
  • Similar to activated carbon with a high unburned carbon content
  • High surface area - absorbent
  • Composed mainly of CaO
  • Trace elements can include: iron, aluminum, sodium, lead, chromium, nickel, cadmium, selenium, mercury, cobalt, molybdenum, arsenic, copper, boron, zinc
  • High pH (alkaline)

- Engineering Properties
- Environmental Properties

Producers
  • Power producers
  • Pulp and paper industry

- Current Disposal
- Material Source
- Economic Template

 

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The University of Maine

 ŠThis is an official publication of The University of Maine.  "Beneficial Use of Solid Waste in Maine."

March 12, 2006.  http://useit.umaine.edu/