A method for converting topped oil light hydrocarbons
A technology for light hydrocarbons and oils, which is used in the production of diolefins and high-octane gasoline components, can solve the problems of low utilization rate of isomerized olefins, and achieve the effect of increasing added value and improving utilization rate.
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Embodiment 1
[0047] Catalytic dehydrogenation catalyst adopts Haitai company HTPB-DH dehydrogenation catalyst, in which Al 2 o 3 As the carrier, Pt and Cl are used as active components, wherein the mass content of Pt is 1%, the mass content of chlorine is 2%, and the specific surface area is 200m 2 / g, pore volume 0.5ml / g, diameter 1.59mm, bulk density 0.6g / cm 3 . The catalyst for oxidative dehydrogenation of olefins was prepared by the preparation method of Example 2 in the patent CN102671714A. The specific preparation method was as follows: Dissolve 17 grams of magnesium nitrate hexahydrate in 20 ml of distilled water, then add 20 grams of zirconia, and carry out the above mixed solution at 80 ° C. After evaporation and drying for 12 hours, the resulting solid sample was heated in an air atmosphere at 550° C. for 3 hours in a muffle furnace, and then the sample was impregnated with an ammonium metavanadate aqueous solution. The ammonium metavanadate aqueous solution is prepared by dis...
Embodiment 2
[0049]The catalytic dehydrogenation catalyst is prepared by the method of Example 4 in CN101940922A. The specific steps are as follows: first weigh 117.5 grams of chromium oxide, dissolve it in deionized water and stir thoroughly, and prepare a chromium oxide solution with a weight concentration of 47%. Then configure a potassium nitrate aqueous solution with a weight concentration of 3.86%. Then 55.0 grams of pseudo-boehmite and 2.2 grams of bentonite were fully mixed with 7.59 grams of prepared chromium oxide solution, kneaded and extruded into pellets. Then dry at 120°C for 3 hours, then keep at 500°C for 3 hours, keep at 620°C for 2 hours, and finally bake at 760°C for 4 hours under 20% water and 80% air. Then take 11.39 g of the prepared chromium oxide solution, soak the roasted sample for 20 minutes, dry at 120°C for 3 hours, and roast at a constant temperature of 550°C for 5 hours. Then take the prepared potassium nitrate aqueous solution for dipping, dry at 120°C for...
Embodiment 3
[0051] The catalytic dehydrogenation catalyst was prepared by the method of Example 1 in the patent CN 101618319. Dissolve 2.24 grams of calcium oxide and 3.1 grams of polyethylene glycol in 120ml of deionized water, heat treatment at 240°C for 24 hours, and burn it at 600°C for 5 hours, then add it with an appropriate amount of absolute ethanol, 7.2 grams of chromium nitrate, 6 grams of trisodium Aluminum oxide is mixed evenly, dried for 12 hours, ground evenly, burned at 550°C for 3 hours, and then used for later use. The oxidative dehydrogenation catalyst of olefins was prepared by the method of Preparation Example 2 in patent 200780013916.9, and the specific steps were as follows: 69 grams of ammonium molybdate was dissolved in 500 ml of distilled water and stirred, and then 108.1 grams of bismuth nitrate was added to 5.3% nitric acid solution After stirring in the medium until completely dissolved, it was added dropwise to the ammonium molybdate solution. Then ammonia wa...
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