A kind of preparation method for the preparation method of synthesis gas catalyst for carbon dioxide reforming of methane
A carbon dioxide and catalyst technology, which is applied in the field of preparation of a catalyst for methane-carbon dioxide reforming to syngas, can solve the problems of high cost, easy carbon deposition of the catalyst, complicated preparation process, etc., achieves reduction of metal consumption, is beneficial to industrial amplification, Simple preparation process
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Embodiment 1
[0027] The spent hydrotreating catalyst (MoCo / Al 2 o 3), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 6.1wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.8wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 2.3wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.9wt% of the weight of the catalyst precursor A in terms of elements; Activation in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 2.54g of zirconium nitrate is dissolved in 16mL of deionized water to obtain solution B, And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to th...
Embodiment 2
[0029] The spent hydrotreating catalyst (MoCo / Al 2 o 3 ), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 5.2wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.2wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 1.5wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.3wt% of the weight of the catalyst precursor A in terms of elements; Activate in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 0.99g of zirconium nitrate is dissolved in 16mL of deionized water to obtain solution B. And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to the...
Embodiment 3
[0031] The spent hydrotreating catalyst (MoCo / Al 2 o 3 ), the oil on the catalyst surface was removed by petroleum ether extraction, dried at 110°C for 8 h, and the obtained catalyst was calcined at 450°C for 4 h to obtain catalyst precursor A, wherein Mo accounted for 6.1wt% by weight of catalyst precursor A in terms of elements, Co accounts for 1.8wt% of the weight of the catalyst precursor A in terms of elements, Ni accounts for 2.3wt% of the weight of the catalyst precursor A in terms of elements, and V accounts for 1.9wt% of the weight of the catalyst precursor A in terms of elements; Activate in a mixed atmosphere of hydrogen, the volume content of hydrogen in the mixed gas is 80%, the reduction conditions are 450°C, 0.2MPa (absolute pressure), and the reduction time is 4h; 7.25g of zirconium nitrate is dissolved in 20mL of deionized water to obtain solution B. And mix it with 40% furfural aqueous solution with a mass fraction of 4 times its mass, and then add it to the...
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