| abstract |
Process for the removal of organic oxygen molecules, such as alcohols and organic acids present in a liquid organic effluent or gaseous, characterized in that this elimination is carried out by adsorption on agglomerates of alumina such as: - their specific surface is greater or equal to 10 m / g, preferentially to 30 m / g - they contain optionally one or more doping compounds of alkali metals, of metals alkaline earth and rare earth elements with a lower total mass content or equal to 50%, preferably 25%, very preferentially included between 5000 ppm and 20%, even more preferably between 5000 ppm and 12%; - if their content of doping compounds is greater than or equal to 5000 ppm, their total pore volume is greater than or equal to 30 ml / 100g, very preferentially at 35 ml / 100 g, and their V70.ANG. is greater than or equal to 10ml / 100g, preferably greater than or equal to 15ml / 100g, very preferentially greater than or equal to 22ml / 100g, even more preferably greater than or equal to 28ml / 100g, optimally higher or equal to 35ml / 100g; - if their content of doping compounds is less than 5000 ppm, their total pore volume is greater than or equal to 45 ml / 100g, preferentially at 50 ml / 100 g very preferably at 55 ml / 100 g, and their V70.ANG. is greater than or equal to 15ml / 100g, preferentially to 22ml / 100g, very preferably at 28ml / 100g, optimally at 35ml / 100g. |