A fatty acid methyl ester (FAME) can be created by an alkali catalyzed reaction between fats or fatty acids and methanol. The molecules in biodiesel are primarily FAMEs. In chemistry, an alkali (from Arabic: al-qalyالقلوي, القالي ) is a basic, ionic salt of an alkali metal or alkali earth metal element. ... Fats consist of a wide group of compounds that are generally soluble in organic solvents and largely insoluble in water. ... In chemistry, especially biochemistry, a fatty acid is a carboxylic acid often with a long unbranched aliphatic tail (chain), which is either saturated or unsaturated. ... Methanol, also known as methyl alcohol, carbinol, wood alcohol, wood naptha or wood spirits, is a chemical compound with chemical formula CH3OH. It is the simplest alcohol, and is a light, volatile, colourless, flammable, poisonous liquid with a distinctive odor that is somewhat milder and sweeter than ethanol (ethyl alcohol). ... In some countries, filling stations sell bio-diesel more cheaply than conventional diesel. ...
Since every microorganism has its specific FAME profile (microbial fingerprinting), it can be used as a tool for Microbial Source Tracking (MST).
Method for producing fattyacidmethylester, including compounding saturated and unsaturated higher fatty substances from at least one of vegetable and animal with an alkaline solution dissolved in alcohol to form a mixture.
The target substances, such as the fattyacidmethylester, are correspondingly removed from the stages 18 of the distillation unit 15.
In accordance with the design of the unit 27, the individual phases, e.g., the fattyacidmethylester, are separated and removed at the recovery point 30.
The fattyacidmethylesters used in accordance with the invention are commercially available products which are produced by esterification of the free fattyacid by methods known per se or by transesterification of fattyacid triglycerides with methanol, generally in the presence of acidic catalysts.
Fattyacidmethylesters which have been produced by transesterification of natural triglycerides, such as coconut oil, soybean oil, rapeseed oil, sunflower oil, palm oil and tallow, are preferred for the purposes of the invention.
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