Process for producing mixtures of cyclohexanone and cyclohexanol
A technology of cyclohexanone and cyclohexanol, which is applied in the field of preparing mixtures of cyclohexanone and cyclohexanol, can solve the problems of increasing process complexity and cost, and achieve the effect of reducing the need
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Embodiment 1
[0112] Embodiment 1: Preparation of 1.0% Pt / Al 2 o 3 catalyst
[0113] Use Al 2 o 3 Extrudates as catalyst supports for preparation of Pt-containing catalysts, Al 2 o 3 The surface area of the extrudate is 306m 2 / g, pore volume 0.85cm 3 / g, and aperture by BETN 2 Adsorption measurement. Passed (NH 3 ) 4 Pt(NO 3 ) 2 Aqueous solution impregnated the support, adding Pt to Al 2 o 3 carrier. Pt metal loading on the support was adjusted to 1.0%. After impregnation, the samples were equilibrated in glass dishes at room temperature for 60 min. The samples were then dried in air at 250°F (120°C) for 4 hours and then in a box oven at 680°F (360°C) in air for 3 hours. The furnace was ramped at 3°F / minute to the calcination temperature and the calcination gas flow rate was adjusted to 5 volumes per catalyst volume per minute.
Embodiment 2
[0114] Embodiment 2: Preparation of 1.0% Pd / Al 2 o 3 catalyst
[0115] The difference of repeating the preparation of Example 1 is that the Al 2 o 3 The carrier adopts tetraammonia palladium nitrate ((NH 3 ) 4 Pd(NO 3 ) 2 ) aqueous solution impregnation. Pd metal supported on the support was adjusted to 1.0%.
Embodiment 3
[0116] Embodiment 3: Preparation of 1.0% Pd / SiO 2 catalyst
[0117] The 1 / 20" (1.27mm) four-lobed silica extrudate containing Pd was passed through tetraammonia palladium nitrate ((NH 3 ) 4 Pd(NO 3 ) 2 ) aqueous solution incipient wetness dipping preparation. The Pd metal supported on the support was adjusted to 1.0%. After immersion, the samples were allowed to equilibrate in glass dishes at room temperature for 60 minutes. The samples were then dried in air at 250°F (120°C) for 4 hours and then in a box oven at 680°F (360°C) in air for 3 hours. The furnace was ramped at 3°F / minute to the calcination temperature and the calcination gas flow rate was adjusted to 5 volumes per catalyst volume per minute.
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