Method for purifying biodiesel fuel
AssigneeKagoshima University
InventorHirokazu Takanashi
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Abstract
Provided is a method for purifying a biodiesel fuel while completely preventing or greatly reducing generation of waste water. The present invention relates to a method for purifying a biodiesel fuel characterized by applying an electric field to or heating a crude biodiesel fuel and a method for purifying a biodiesel fuel characterized by adding water (preferably containing a demulsifier such as an inorganic calcium salt or a magnesium salt) to a crude biodiesel fuel to form W/O emulsion, and breaking the emulsion by application of an electric field or heating, etc.
Claims25
A method for purifying a biodiesel fuel characterized in that an electric field is applied to a crude biodiesel fuel.
A method for purifying a biodiesel fuel characterized by comprising heating a crude biodiesel fuel.
A method for purifying a biodiesel fuel, characterized by comprising adding water to a crude biodiesel fuel to form W/O emulsion, followed by breaking the emulsion.
Dependencies are inferred from the claim text.