Abstract
The proposal of this project is to use the ionic liquid (LI) 1-butyl-3-methylimidazolium hydroxide ([Bmim][OH]) synthesized in the previous project (Fapesp 2022/11043-1) as a catalyst in the transesterification form mixtures of virgin castor oil (OMV) with residual oils and fats (ROF), where the effects of the ROF content in the original raw material (20 to 55%) will be evaluated, as well…