Biodiesel is a fuel that can be made from any kind of
animal or vegetable oil through a process called transesterification. In this process, oil is combined with a strong base
and alcohol. The result is biodiesel, which floats to the top of the processor, and glycerin, which sinks to the bottom
of the processor. Glycerin, a byproduct of the biodiesel production process, is used in many products, including lotions
and creams.
Oil (Animal or Vegetable) + NaOH or KOH + Methanol
or Ethanol
=> Biodiesel + Glycerin
The biodiesel production process is very simple and can
be performed with inexpensive, easily acquired equipment. Many individuals make their own biodiesel at home from waste
vegetable oil. The simplicity of this process allows home producers the opportunity to produce biodiesel in rural
locations with minimal capital investment.
Biodiesel can be used in an unmodified diesel engine,
which means that current diesel engine users can switch to biodiesel without incurring any costs. In fact, the use of
biodiesel improves the performance of diesel engines by acting as a lubricant.
In addition, biodiesel is more safe to use than regular
diesel (that is petroleum based). Biodiesel is non-toxic, quickly biodegrades should a spill occur, and is a non-irritant
if exposed to the skin. Also, due to its high flash point, biodiesel can be safely stored without special precautions.
The use of biodiesel is also good for the environment.
In comparison to regular diesel, engines using biodiesel emit 47% less carbon monoxide and particulate matter, 67% fewer
hydrocarbons and smog, and no sulfur dioxide. In addition, the use of biodiesel adds no net carbon dioxide to the
atmosphere, which helps to reduce human contribution toward global warming.
Dave R. Mason
Atrizona Bio Fuels Research
AZBioFuels@phoenixcomputerlabs.com
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