A kind of metal-doped catalyst for the selective synthesis of bisphenol-F and its preparation method and application
A technology of metal doping and catalyst, applied in the field of catalyst for synthesizing bisphenol F
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Embodiment 1
[0026] Metal Sn 4+ doped TiO 2 The preparation method of the catalyst comprises the following process steps: adding 2 mL of tetrabutyl titanate to 25 mL of isopropanol to prepare A solution, then adding 40 mg of NaOH and 50 mg of Sn(OH) 4 Dissolve 25 mL of isopropanol to prepare solution B, then add solution B to solution A dropwise, and keep stirring. Transfer the solution obtained in the above process to a 100mL hydrothermal kettle, 170 o C for 24 h. After the completion of the hydrothermal treatment, take it out and cool to room temperature, and use 0.1 mol·L -1 Wash with hydrochloric acid solution followed by three washes with distilled water (20x3 mL) to pH = 7. The sample obtained by suction filtration was at 80 o After drying at C for 48 hours, put it into the muffle furnace and burn it with 10 o C·min -1 The rate of heating up to 650 o After holding at C for 12 hours, the metal Sn 4+ doped TiO 2 catalyst.
[0027] X-ray diffraction characterization (XRD) of ...
Embodiment 2
[0030] Metal Cu 2+ doped TiO 2 The preparation method of the catalyst comprises the following process steps: adding 10 mL tetrabutyl titanate to 200 mL isopropanol to prepare A solution, and then mixing 100 mg NaOH with 50 mg Cu(OH) 2 Dissolve 150mL of isopropanol to prepare solution B, then add solution B to solution A dropwise, and keep stirring. Transfer the solution obtained in the above process to a 500 mL hydrothermal kettle, 170 o C for 48 h. After the completion of the hydrothermal treatment, take it out and cool to room temperature, and use 0.1 mol·L -1 Wash with hydrochloric acid solution followed by three washes with distilled water (20x3 mL) to pH = 7. The sample obtained by suction filtration was at 80 o After drying at C for 24 hours, put it into a muffle furnace and burn it with 10 o C·min -1 The rate of heating up to 650 o After holding at C for 12h, metal Cu was obtained. 2+ doped TiO 2 catalyst.
[0031]X-ray diffraction characterization (XRD) of t...
Embodiment 3
[0035] Metal Fe 3+ doped TiO 2 The preparation method of the catalyst comprises the following process steps: adding 20 mL tetrabutyl titanate to 120 mL isopropanol to prepare A solution, and then mixing 80 mg NaOH with 30 mg Fe(OH) 3 Dissolve 110 mL of isopropanol as solution B, then add solution B to solution A dropwise, stirring continuously. The solution obtained by the above process was moved to a 1000mL hydrothermal kettle, 170 o C for 48 h. After the completion of the hydrothermal treatment, take it out and cool to room temperature, and use 0.1 mol·L -1 Wash with hydrochloric acid solution followed by three washes with distilled water (20x3 mL) to pH = 7. The sample obtained by suction filtration was at 80 o After drying at C for 48 hours, put it into the muffle furnace and burn it with 10 o C·min -1 The rate of heating up to 650 o C and then keep it warm for 8 hours to obtain metal-doped titanium dioxide.
[0036] X-ray Diffraction Characterization (XRD) of Fe-...
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