Aromatic olefin-reducing catalyst and use thereof
An olefin catalyst and catalyst technology, which is applied in molecular sieve catalysts, physical/chemical process catalysts, refining with metal salts, etc., can solve the problems of short clay life, frequent replacement, and high labor intensity, so as to prolong life and reduce carbon deposition rate , Improve the effect of anti-carbon deposition ability
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[0023] [Example 1]
[0024] Take Na 2 Pseudo-boehmite (α-Al) with O content less than 0.15% (weight) and 30% weight loss on ignition at 550℃ 2 O 3 ·H 2 O) 128.57 grams, with Na 2 11.10 grams of mordenite with an O content of less than 1.5% (weight) and a ignition loss of 10% are mixed uniformly, and a solution is prepared with 2.5 ml of chemically pure nitric acid and 65 ml of water. This mixed solution was added to the mixture of pseudo-boehmite and mordenite, mixed uniformly, kneaded and extruded into a shape, dried and calcined at 550°C for 3 hours to obtain alumina: molecular sieve = 90:10 catalyst A- 1.
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[0025] [Examples 2~3]
[0026] The preparation method of Example 1 was used to adjust the ratio of molecular sieve and pseudo-boehmite to prepare catalyst A-2 with alumina: molecular sieve=50:50 and catalyst A-3 with alumina: molecular sieve=10:90.
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[0027] 【Examples 4~10】
[0028] The mordenite used in A-2 was replaced with β zeolite, X zeolite, Y zeolite, ZSM-5 molecular sieve, SAPO-11 molecular sieve, MCM-41 molecular sieve, TS molecular sieve, and B, C, D, E, F, G, H catalysts.
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