Download - Biodiesel :An introduction to the begainers
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Welcome
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Out
lines
:
Title
What is it?
Properties:
Process
Methods
Applications:
Current status:
Thank you
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Biodiesel:
vegetable oil- or animal fat-based diesel fuel
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• a vegetable oil- or animal fat-based diesel fuel consisting of long-chain alkyl: methyl, propyl or ethyl esters.
• typically made by chemically reacting lipids (e.g., vegetable oil, animal fat (tallow) with an alcohol producing fatty acid esters.
• The National Biodiesel Board (USA) also has a technical definition of "biodiesel" as a mono-alkyl ester.
What is it?
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Properties:
• has better lubricating properties
• much higher cetane ratings than today's lower sulfur diesel fuels.
• reduces fuel system wear
• The calorific value of is about 37.27 MJ/kg
• varies in color —between golden and dark brown —depending on the production feedstock.
• virtually no sulfur content
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Process steps
Feedstock pretreatme
nt
Determination and treatment of free fatty
acids
Reactions
Product purification
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Production methods:
Some methods
are:
Supercritical process
Ultra- and high-shear in-line and batch reactors
Lipase-catalyzed method
Ultrasonic reactor method
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Applications:
Tran
sport
Heat
solvent
In Generators
Cle
anin
g O
il Sp
ills
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Current status: Biodiesel production by country 2010
Germany Brazil USA Argentina France Spain Italy Indonesia Others
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Thank you.