Primitive Technology: Geopolymer Cement (Ash and Clay)

Primitive Technology: Geopolymer Cement (Ash and Clay)
Transcript
At the brick making hut Making fire by friction Wood is burnt for ash (also drying bricks) The wood ash To the brick hut The ash is sifted to get most of the charcoal out Water is mixed with the ash to form a paste The ash is formed into pellets or clinkers to be fired one pellet is set aside to air dry only The rest of the pellets are calcined in ... Read More
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