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