Supported catalyst for pyridine synthesis by tetrahydrofurfuryl alcohol and preparation process thereof
A supported catalyst, tetrahydrofurfuryl alcohol technology, applied in chemical instruments and methods, metal/metal oxide/metal hydroxide catalysts, physical/chemical process catalysts, etc., can solve the problems of pyridine selectivity and low yield , to achieve the effects of convenient production, simple equipment, high selectivity and high yield
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Embodiment 1
[0012] Using molybdenum oxide, vanadium oxide and lanthanum oxide supported on γ-Al 2 o 3 on the carrier. Its preparation is: 6.2g (NH 4 ) 6 Mo 7 o 24 .4H 2 O, 6.42 g NH 4 VO 3 , 5.4g La(NO 3 ) 3 .6H 2 O was dissolved in 100mL water, and then the dried 50g γ-Al 2 o 3 The carrier is put into the solution and mixed, stirred to make the solution evenly absorbed into the micropores of the alumina carrier, and dried at room temperature; then the catalyst dried at room temperature is dried at 150°C for 4 hours, and burned at 800°C for 4 hours to make a supported catalyst , wherein the load of molybdenum oxide is 10% of the mass of the support, the load of vanadium oxide is 10% of the mass of the support, and the load of lanthanum oxide is 4% of the mass of the support.
Embodiment 2
[0014] Using molybdenum oxide, vanadium oxide, cerium oxide supported on γ-Al 2 o 3 on the carrier. Its preparation is: 12.4g (NH 4 ) 6 Mo 7 o 24 .4H 2 O, 6.42 g NH 4 VO 3 , 2.53g Ce(NO 3 ) 3 .6H 2 O was dissolved in 100mL water, and then the dried 50g γ-Al 2 o 3 The carrier is put into the solution and mixed, stirred to make the solution evenly absorbed into the micropores of the alumina carrier, and dried at room temperature; then the catalyst dried at room temperature is dried at 120°C for 4 hours, and burned at 500°C for 8 hours to make a supported catalyst , wherein the load of molybdenum oxide is 20% of the mass of the support, the load of vanadium oxide is 10% of the mass of the support, and the load of cerium oxide is 2% of the mass of the support.
Embodiment 3
[0016] Using molybdenum oxide, vanadium oxide, cadmium oxide loaded on γ-Al 2 o 3 on the carrier. Its preparation is: 6.2g (NH 4 ) 6 Mo 7 o 24 .4H 2 O, 12.84 g NH 4 VO 3 , 4.8g Cd(NO 3 ) 2 .4H 2 O was dissolved in 100mL water, and then the dried 50g γ-Al 2 o 3 The carrier is put into the solution and mixed, stirred to make the solution evenly absorbed into the micropores of the alumina carrier, and dried at room temperature; then the catalyst dried at room temperature is dried at 150°C for 4 hours, and burned at 800°C for 4 hours to make a supported catalyst , wherein the load of molybdenum oxide is 10% of the mass of the support, the load of vanadium oxide is 20% of the mass of the support, and the load of cadmium oxide is 4% of the mass of the support.
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