Preparation method of catalyst for synthetic gas preparation through reforming of methane and carbon dioxide
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 complicated preparation process, high cost, easy carbon deposition of the catalyst, etc. Beneficial for industrial amplification
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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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