Iron catalyst for producing low-carbon olefins from syngas and preparation method thereof
A technology for carbon olefin iron and low carbon olefin, which is applied to the synthesis gas to low carbon olefin iron catalyst and its preparation field, can solve the problems of low carbon olefin selectivity, low CO conversion rate and the like, and achieves improved selectivity and thermal stability. Good sex and stable effect
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Embodiment 1
[0027] Weigh 55.0 grams of iron oxide (Fe 2 o 3 ), 16.0 grams of titanium oxide (TiO 2 ), 16.0 grams of molybdenum oxide (MoO 3 ), 5.0 grams of vanadium pentoxide (V 2 o 5 ), 5.0 grams of lanthanum oxide (La 2 o 3 ) and 3.0 g tin oxide (SnO 2 ) Six kinds of raw materials and 3 grams of carbon black powder with a weight percentage of 3% by weight of the total amount of raw materials were mixed in a ball mill for 2 hours; The kneaded material is kneaded until soft; the kneaded material is sent into the extruder, made into a strip with a diameter of 5mm, and cut into a column with a length of 20mm. After natural drying, it is sent to the drying equipment , dried at 120°C for 8 hours for later use; the dried precursor was sent into a high-temperature furnace, calcined at 1400°C for 6.0 hours, and after cooling, it was crushed and sieved into 60-80 meshes to obtain the required high-temperature sintered iron catalyst. The prepared catalyst comprises the following components...
Embodiment 2
[0029] Weigh 88.0 grams of iron oxide (Fe 2 o 3 ), 5.79 grams of titanium oxide (TiO 2 ), 5.79 grams of molybdenum oxide (MoO 3 ), 0.06 g vanadium pentoxide (V 2 o 5 ), 0.06 g lanthanum oxide (La 2 o 3 ) and 0.3 g tin oxide (SnO 2 ) Six kinds of raw materials and 3 grams of carbon black powder with a weight percentage of 3% by weight of the total amount of raw materials were mixed in a ball mill for 2 hours; The kneaded material is kneaded until soft; the kneaded material is sent into the extruder, made into a strip with a diameter of 5mm, and cut into a column with a length of 20mm. After natural drying, it is sent to the drying equipment , dried at 120°C for 8 hours for later use; the dried precursor was sent into a high-temperature furnace, calcined at 1400°C for 6.0 hours, and after cooling, it was crushed and sieved into 60-80 meshes to obtain the required high-temperature sintered iron catalyst. The prepared catalyst comprises the following components in weight p...
Embodiment 3
[0031] Weigh 29.2 grams of iron oxide (Fe 2 o 3 ), 12.5 grams of titanium oxide (TiO 2 ), 12.5 grams of molybdenum oxide (MoO 3 ), 18.0 grams of vanadium pentoxide (V 2 o 5 ), 18.0 grams of lanthanum oxide (La 2 o 3 ) and 9.8 g tin oxide (SnO 2 ) Six kinds of raw materials and 3 grams of carbon black powder with a weight percentage of 3% by weight of the total amount of raw materials were mixed in a ball mill for 2 hours; The kneaded material is kneaded until soft; the kneaded material is sent into the extruder, made into a strip with a diameter of 5mm, and cut into a column with a length of 20mm. After natural drying, it is sent to the drying equipment , dried at 120°C for 8 hours for later use; the dried precursor was sent into a high-temperature furnace, calcined at 1400°C for 6.0 hours, and after cooling, it was crushed and sieved into 60-80 meshes to obtain the desired high-temperature sintered catalyst. The prepared catalyst comprises the following components in ...
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