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8/8/2019 Briquette.pptxIntroduction to Briquette
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BriquetteBriquetteAn introduction
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DefinitionDefinition
y A briquette (or briquet) is
a block of flammable
matter use as a fuel to start
and maintain a fire.
y Common types of
briquettes are charcoal
briquettes and biomassbriquettes
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Charcoal briquetteCharcoal briquette
yCharcoal is a desirable fuel because itproduces a hot, long-lasting, virtuallysmokeless fire.
y
Combined with other materials and formedinto uniform chunks called briquettes.
yIt is popularly used for outdoor cooking inthe United States. According to the barbecue
Industry Association, Americans bought883,748 tons of charcoal briquettes in 1997.
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Charcoal briquettesCharcoal briquettes
y Some briquettes are compressed and
dried brown coal extruded into hard
blocks.
y They are typically dried to 12-18 %
moisture, and are primarily used in
household and industry
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Charcoal briquettesCharcoal briquettes
Charcoal briquettes sold commercially forcooking food can include:
y Wood charcoal
y
Mineral chary Mineral carbon
y Limestone
y Starch
y
Boraxy Sodium nitrate
y Sawdust
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Biomass briquettesBiomass briquettes
y Biomass briquettes are made from agriculturalwaste and are a replacement for fossil fuel.
y Use of biomass briquettes can earn CarbonCredits for reducing emissions in the atmosphere.
y A popular biomass briquette emerging indeveloped countries takes a waste product suchas sawdust, compresses it and then extrudes it tomake a log that can replace firewood.
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A comparisonA comparison
y Burning a wood briquette is far more
efficient than burning firewood
y Moisture content of a briquette can be as
low as 4%, whereas green firewood may
be as high as 65%
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Raw materialRaw material
y Charcoal briquette made of two primary
ingredients and several minor ones.
y The primary ingredients are char and coal
y The minor material such as binding agent,
an accelerant, and an ash-whitening agent.
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Raw materialRaw material
y There is a wide range agro-forestry waste
that can be used for biomass briquette
plant such as sawdust briquetting.
y All the type of biomass material including:
wood pieces tree trimmings wood shavings wheat straw
Peanut shell empty fruit bunch rice husk corn cob
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Quality standard of charcoalQuality standard of charcoal
briquettebriquettey Below are the quality standard of charcoal
briquette (SNI, 2000):
No Parameter Charcoal briquette
1 Calor produce 5000 kcal/kg
2 Length of flame 3 hours/kg
3 Odor Odorless
4 Smoke Smokeless
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ASSESSMENT RUBRICASSESSMENT RUBRIC
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ReferencesReferences
y www.madehow.com/Volume-4/Charcoal-
Briquette.html
y www.biomas-briquette.com/biomas-
briquette-line.htm
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