Catalyst Preparation elemental sulfur ON Claus, METHOD OF PREPARATION AND METHOD OF Claus

摘要

1. Catalyst preparation of elemental sulfur, the Claus process based on aluminum oxide, characterized in that a mixture χ-, γ-AlOi amorphous phase of aluminum oxide, wherein the catalyst comprises the following amount of components, wt.%: 2. The catalyst according to claim 1, characterized in that it has a total pore volume 0,3-0,65 g / smpri largest specific surface area not less than 280 m / D.3. The catalyst according to claim 1, characterized in that it has a bulk density in the range of 0,55-0,7 g / smpri mechanical crushing strength not less than 6 MPa.4. The catalyst according to claim 2, characterized in that the volume of mesopores with a diameter of 3 to 10 nm is 0,12-0,35 cm / D.5. The catalyst according to claim 2, characterized in that the ratio of the volume of mesopores with a diameter of 3-10 nm to the volume ultramakropor diameter above 1000 nm less than or equal to 5.6. A method for preparing a catalyst producing elemental sulfur by the Claus process, comprising a granulation step of thermally activated nanostructured aluminum hydroxide, hydrated svezhesformovannyh spherical granules in isolated containers, drying and heat treatment, characterized in that the granulation step in nanostructured oxygenated compound of aluminum containing no more than 1500-1800 ppm NaO and having the following composition: AlO (OH) · nHO, where x is in the range 0-0,28, an - 0,1-0,4, injected blowing vygorayusch e and nevygorayuschie additives, resulting in a catalyst according to any one pp.1-5.7. A method according to claim 6, characterized in that the hydration is carried svezhesformovannyh granules in saturated water vapor due to self-heating of the pellets at a temperature of 60-95 ° C for 2-48 ch.8. A method according to claim 6, characterized in that the heat treatment gras