Catalyst for hydrogenation regeneration process of waste mineral oil and production method of catalyst
A technology for hydrogenation regeneration and waste mineral oil, applied in the direction of physical/chemical process catalysts, chemical instruments and methods, lubricating compositions, etc., can solve problems such as difficult to achieve hydrogenation refining effect, achieve improved dispersion of active metals, increase Yield, good effect of preparation repeatability
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Embodiment 1
[0024] A catalyst used in the process of hydrogenation regeneration of waste mineral oil, the catalyst is formed by carrying active components W, Ni and auxiliary components P, Si on an alumina carrier, based on the total mass of the catalyst, WO 3 The content of NiO is 20%, the content of NiO is 7.0%, the content of P is 4.0%, the content of Si is 3.0%, and the balance is alumina carrier; the specific surface area of the catalyst is 220m 2 / g, the pore volume is 0.52ml / g.
[0025] The above production method of the catalyst used in the technology of waste mineral oil hydrogenation regeneration comprises the steps:
[0026] (1) Preparation of catalyst carrier: Weigh aluminum hydroxide dry powder, ammonium bicarbonate, kale powder and nitric acid in sequence, mix them with water, knead them into shape, place them at room temperature for 3 hours to air dry, then dry them at 100°C for 2 hours, then dry them at 500°C Calcined at ℃ for 1h to prepare alumina carrier;
[0027] (...
Embodiment 2
[0032] A catalyst used in the process of hydrogenation regeneration of waste mineral oil, the catalyst is formed by carrying active components W, Ni and auxiliary components P, Si on an alumina carrier, based on the total mass of the catalyst, WO 3 The content of NiO is 28%, the content of NiO is 13.0%, the content of P is 10.5%, the content of Si is 6.0%, and the balance is alumina carrier; the specific surface area of the catalyst is 230m 2 / g, the pore volume is 0.56ml / g.
[0033] The above production method of the catalyst used in the technology of waste mineral oil hydrogenation regeneration comprises the steps:
[0034](1) Preparation of catalyst carrier: Weigh aluminum hydroxide dry powder, ammonium bicarbonate, scallop powder and nitric acid in turn, mix them with water, knead them into shape, place them at room temperature for 4 hours to air dry, then dry them at 110 for 5 hours, and then dry them at 550 Calcined at ℃ for 1.5h to prepare alumina carrier;
[0035]...
Embodiment 3
[0040] A catalyst used in the process of hydrogenation regeneration of waste mineral oil, the catalyst is formed by carrying active components W, Ni and auxiliary components P, Si on an alumina carrier, based on the total mass of the catalyst, WO 3 The content is 24%, the NiO content is 9.0%, the P content is 6.5%, the Si content is 4.5%, and the balance is alumina carrier. The specific surface area of the catalyst is 225m 2 / g, the pore volume of the catalyst is 0.54.5ml / g.
[0041] The above production method of the catalyst used in the technology of waste mineral oil hydrogenation regeneration comprises the steps:
[0042] (1) Preparation of catalyst carrier: Weigh aluminum hydroxide dry powder, ammonium bicarbonate, kale powder and nitric acid in sequence, mix them with water, knead them into shape, place them at room temperature for 3-4 hours to air-dry, and then dry them at 105 for 3 hours, then Calcined at 530°C for 1.2h to prepare an alumina carrier;
[0043] (2) ...
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