Styrene catalyst and preparation method thereof
A catalyst and styrene technology, applied in chemical instruments and methods, physical/chemical process catalysts, organic chemistry, etc., can solve the problems of insufficient catalyst activity and low stability
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Embodiment 1
[0037] 195 grams of iron oxide red, 80.5 grams of iron oxide yellow, 60.6 grams of potassium carbonate, 90.5 grams of persimmon nitrate, 13.3 grams of ammonium molybdate, 1.1 grams of molybdenum carbide, 10.4 grams of magnesium oxide, 19.5 grams of calcium oxide, 15 grams of cement and 10 grams of carboxylate Stir the methylcellulose in a kneader for 1 hour, add 83 grams of deionized water, and stir for another half an hour, take out the extruded strips, extrude them into particles with a diameter of 3 mm and a length of 5 to 10 mm, put them in an oven, and bake at 80 ° C for 4 Hours, and then placed in a muffle furnace, calcined at 780 ° C for 6 hours to prepare the catalyst.
[0038] For the convenience of comparison, the feed amount in catalyst preparation is listed in Table 1, and the results of catalyst evaluation for 200 hours are listed in Table 2.
Embodiment 2
[0040] 130.3 grams of iron oxide red, 152.6 grams of iron oxide yellow, 60.3 grams of potassium carbonate, 80.3 grams of persimmon nitrate, 10.6 grams of ammonium molybdate, 6.2 grams of molybdenum carbide, 8.4 grams of magnesium oxide, 19.5 grams of calcium oxide, 25 grams of cement and 8 grams of carboxylate Stir the methylcellulose in a kneader for 1 hour, add 76 grams of deionized water, and stir for another half an hour, take out the extruded strips, extrude them into particles with a diameter of 3 mm and a length of 5 to 10 mm, put them in an oven, and bake at 80 ° C for 4 Hours, and then placed in a muffle furnace, calcined at 780 ° C for 6 hours to prepare the catalyst.
[0041] For the convenience of comparison, the feed amount in catalyst preparation is listed in Table 1, and the results of catalyst evaluation for 200 hours are listed in Table 2. The evaluation results of 200 hours and other evaluation time are listed in Table 3.
Embodiment 3
[0043] 130.3 grams of iron oxide red, 152.6 grams of iron oxide yellow, 60.3 grams of potassium carbonate, 80.3 grams of persimmon nitrate, 10.6 grams of ammonium molybdate, 6.2 grams of tungsten carbide, 8.4 grams of magnesium oxide, 19.5 grams of calcium oxide, 25 grams of cement and 8 grams of carboxylate Stir the methylcellulose in a kneader for 1 hour, add 76 grams of deionized water, and stir for another half an hour, take out the extruded strips, extrude them into particles with a diameter of 3 mm and a length of 5 to 10 mm, put them in an oven, and bake at 80 ° C for 4 Hours, and then placed in a muffle furnace, calcined at 780 ° C for 6 hours to prepare the catalyst.
[0044] For the convenience of comparison, the feed amount in catalyst preparation is listed in Table 1, and the results of catalyst evaluation for 200 hours are listed in Table 2. The evaluation results of 200 hours and other evaluation time are listed in Table 3.
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