| abstract |
THE INVENTION RELATES TO A PROCESS FOR SOFTENING A LOAD OF HYDROCARBONS CONTAINING SULFUR PRODUCTS. IT IS CHARACTERIZED BY THE USE OF A SUPPORTED CATALYST, TREATED WITH AN ANHYDROUS ALCOHOLIC SOLUTION CONTAINING AN ALKALINE AGENT, THE CATALYST BASED ON A CHELATE OF FORMULA MLH OR MLA IN WHICH M IS A TRANSITION METAL, HAS AN ANION . L COMES FROM A LIGAND LH TETRADENTE BASED ON A DIAMIDE OF SALICYLIC ACID OR ONE OF ITS DERIVATIVES. |