Ash

Basics

• The non-combustible components of a Solid Fuel
• Thus left behind when it is burned (possibly along with some Charcoal / Coke )

Types

• Wood Ash
• Bottom Ash
• Economizer Ash
• Fly Ash
• Slag

Usage

• As a component of some Cements
• As a Fertilizer (In Biomass farming/harvesting schemes, this essentially returns the non-water/(hydro)carbon elements)
• As a chemical feedstock

Internal Links

• Charcoal Washing Experimentation

External Links

• The Wikipedia Page on Ash
• An Article Titled "Ash Handling Terminology and Primer"