| abstract |
In this process: i) the mixture to be treated is simultaneously ground and diluted in an organic solvent lighter than the organic phase used in the composition of the mixture, this solvent containing at least one nonionic surfactant, ii) the mixture thus diluted is then contacted with an aqueous washing solution, iii) the diluted and washed mixture is finally decanted into at least three distinct phases, two liquid phases, organic and aqueous respectively, and a solid phase. |