Gamma-form alumina loaded metallic oxide catalyst as well as preparation method and application thereof
A technology of alumina loading and oxide, which is applied in chemical instruments and methods, separation methods, and separation of dispersed particles, etc., to achieve strong anti-sintering ability, good thermal stability, and high reactivity.
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Embodiment 1
[0019] Example 1 10%Fe 2 O 3 / γ-Al 2 O 3
[0020] According to the loading capacity of the active components of the catalyst, weigh 2.5299g of Fe (NO 3 ) 3 9H 2 O and 5g of γ-Al 2 o 3 powder, add 100mL deionized water to prepare a mixed solution, stir in a constant temperature water bath at 60°C for 3 hours to mix the carrier and nitrate evenly, leave it in the air for 24 hours, put it in a rotary evaporator at 80°C and evaporate in vacuum until the water evaporates dry, the obtained catalyst precursor was dried in an electric blast drying oven at 110°C for 2h, and then placed in a muffle furnace for roasting at 550°C for 3h to decompose ferric nitrate into Fe 2 o 3 Active ingredient, made 10% Fe 2 o 3 / γ-Al 2 o 3 catalyst.
[0021] After taking it out, cool it and press it into tablets. The pressure is generally 20MPa, and the catalyst of 20-40 meshes is screened out.
[0022] Take 0.4g of catalyst and place it in a fixed bed reactor, and the inner...
Embodiment 2
[0023] Example 2 10%CuO / γ-Al 2 O 3
[0024] According to the loading capacity of the active components of the catalyst, weigh 1.5186g of Cu(NO 3 ) 2 ·3H 2 O and 5g of γ-Al 2 o 3 powder, add 100mL deionized water to prepare a mixed solution, stir in a constant temperature water bath at 60°C for 3 hours to mix the carrier and nitrate evenly, leave it in the air for 24 hours, put it in a rotary evaporator at 80°C and evaporate in vacuum until the water evaporates dry, the obtained catalyst precursor was dried in an electric blast drying oven at 110°C for 2h, and then placed in a muffle furnace and roasted at 550°C for 3h to decompose copper nitrate to form CuO active components and obtain 10% CuO / γ-Al 2 o 3 catalyst.
[0025] After taking it out, cool it and press it into tablets. The pressure is generally 20 MPa, and the catalyst of 20-40 meshes is screened out.
[0026] Take 0.4g of catalyst and place it in a fixed bed reactor, and the inner diameter of the rea...
Embodiment 3
[0027] Example 3 4%Ni- 6%CuO / γ-Al 2 O 3
[0028] According to the loading capacity of the active components of the catalyst, weigh 0.9112g of Cu(NO 3 ) 2 ·3H 2 O, 0.7787g of Ni(NO 3 ) 2 ·6H 2 O and 5g of γ-Al 2 o 3 powder, add 100mL deionized water to prepare a mixed solution, stir in a constant temperature water bath at 60°C for 3 hours to mix the carrier and nitrate evenly, leave it in the air for 24 hours, put it in a rotary evaporator at 80°C and evaporate in vacuum until the water evaporates Dry the obtained catalyst precursor in an electric blast drying oven at 110°C for 2h, then place it in a muffle furnace and bake at 550°C for 3h to decompose the nitrate to form a mixed oxide active component of NiO and CuO, and obtain 4 %NiO- 6%CuO / γ-Al 2 o 3 catalyst.
[0029] After taking it out, cool it and press it into tablets. The pressure is generally 20MPa, and the catalyst of 20-40 meshes is screened out.
[0030] Take 0.4g of catalyst and place it in a f...
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