WASTES FROM REFINING OF VEGETABLE OILS

It is a waste that is generated out from the physical refining (distillation) of crude oil. Their characteristics vary depending on the type of seed from which they come (rapeseed, soy or palm mainly) and are usually the following

CHARACTERISTICS OF FREE FATTY ACIDS

A Pre-treatment (esterification) is necessary to reduce acidity prior to convert into biodiesel.

FFA min 70%

Sulfur max 20ppm

Phosphorus max 20ppm

MIU max 1%

Lodine Value vary depending on the kind of seed: Palm min 50, Soy and Rape min 100