Oleochemical

From Academic Kids

Oleochemical are chemicals derived from biological oils or fats.They are analogous to petrochemicals which are chemicals derived from petroleum.

The hydrolysis or alcoholysis of oils or fats from the basis of the industry and use the same oleochemical general formula:

RCOOCH2-CHOOCR-RCOOCH2 + RŽOH →

RCOORŽ-RCOORŽ-RCOORŽ + CH2OH-CHOH-CH2OH

(bio-oil or fats) + RŽOH →(Fatty acids or esters) + Glycerol


The hydrolysis of the triglycerides composing oils and fats produces fatty acids and glycerol.

In hydrolysis RŽ= H. So water (H2O) is added.


RCOOCH2-CHOOCR-RCOOCH2 + H2>O →

RCOOH-RCOOH-RCOOH + CH2OH-CHOH-CH2OH


If oils or fats are made to react with an alcohol instead of with water, the process is alcoholysis and the product are fatty acid esters and glycerol.

In alcoholysis RŽ= alkyl group. So alcohol is added

RCOOCH2-CHOOCR-RCOOCH2 + CnH2n+1OH

RCOOCnH2n+1-RCOOCnH2n+1-RCOOCnH2n+1 + CH2OH-CHOH-CH2OH

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