METHOD OF PRODUCING BIOFUEL Russian patent published in 2015 - IPC C11C1/02 C10L1/02 

FIELD: chemistry.

SUBSTANCE: biofuel is obtained by neutralising plant oil fatty acids with an alkaline solution to obtain fatty acid salts, wherein the fatty acid salts are treated with oleum in ratio of 2:1, in the presence of jet steam at 90°C; fatty acids are separated from acidic water, rewashed with water to pH 6-7 and mixed with spent glycolic brake fuel in ratio of (8-9):(2-1).

EFFECT: obtaining biofuel with low cost and improved quality properties from industrial wastes and wider range of biofuels.

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