Catalyst for production of cyclohexylbenzene and preparation method thereof
A technology of cyclohexylbenzene and catalyst, applied in the direction of catalyst, molecular sieve catalyst, carbon compound catalyst, etc., can solve the problems of high yield of cyclohexylbenzene, low yield of cyclohexylbenzene, low yield of cyclohexane, etc. effect of dosage
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Embodiment 1
[0053] Catalyst preparation: weigh PtCl containing 0.8g Pt 2 And the ammonium molybdate that contains 0.2g Mo is dissolved in 1mol / L acetic acid aqueous solution and is made into 80g solution I; Measure 0.1L diameter and be the non-bonding cylindrical hydrogen type BEA zeolite molecular sieve of 1mm, length 5mm (silica / The molar ratio of alumina is 30); the above solution is loaded on the hydrogen-type BEA zeolite molecular sieve, impregnated at room temperature for 12 hours, dried at 100°C for 12 hours, and calcined at 450°C for 4 hours to prepare the desired catalyst.
[0054] Catalyst evaluation: get 10ml catalyst packing in the fixed-bed reactor, carry out activity evaluation after reduction activation, condition is as follows: the temperature of reaction is 150 ℃, and the mol ratio of benzene and hydrogen in the reaction raw material is 0.8, and the pressure of reaction is 2.0MPa ( Gauge pressure), the liquid volume space velocity of the raw material benzene of reaction ...
Embodiment 2
[0057] Catalyst preparation: weigh RuCl containing 0.8g Ru 3 ·3H 2 O and the ammonium molybdate containing 0.2g Mo are dissolved in 1mol / L acetic acid aqueous solution and are made into 80g solution I; The molar ratio of alumina / alumina is 30); the above solution is loaded on the hydrogen-type BEA zeolite molecular sieve, impregnated at room temperature for 12 hours, dried at 100°C for 12 hours, and calcined at 450°C for 4 hours to prepare the required catalyst.
[0058] Catalyst evaluation: get 10ml catalyst packing in the fixed-bed reactor, carry out activity evaluation after reduction activation, condition is as follows: the temperature of reaction is 150 ℃, and the mol ratio of benzene and hydrogen in the reaction raw material is 0.8, and the pressure of reaction is 2.0MPa ( Gauge pressure), the liquid volume space velocity of the raw material benzene of reaction is 0.5h -1 .
[0059] The catalyst has a Ru content of 8 g / L and a Mo content of 2 g / L. The calculated conv...
Embodiment 3
[0061] Catalyst preparation: weigh PtCl containing 0.2g Pt 2 , RuCl containing 0.6g Ru 3 ·3H 2 O and the ammonium molybdate containing 0.2g Mo are dissolved in 1mol / L acetic acid aqueous solution and are made into 80g solution; The molar ratio of alumina is 30); the above solution is loaded on the hydrogen-type BEA zeolite molecular sieve, impregnated at room temperature for 12 hours, dried at 100°C for 12 hours, and calcined at 450°C for 4 hours to prepare the desired catalyst.
[0062] Catalyst evaluation: get 10ml catalyst packing in the fixed-bed reactor, carry out activity evaluation after reduction activation, condition is as follows: the temperature of reaction is 150 ℃, and the mol ratio of benzene and hydrogen in the reaction raw material is 0.8, and the pressure of reaction is 2.0MPa ( Gauge pressure), the liquid volume space velocity of the raw material benzene of reaction is 0.5h -1 .
[0063] The Pt content of the catalyst is 2 g / L, the Ru content is 6 g / L, an...
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