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Reaction and separation integrated process and device for synthesizing poly-alpha-olefin (PAO)

An olefin and reaction technology, which is applied in the field of integrated reaction and separation process and device of lubricating base oil polyalphaolefin (PAO), can solve problems such as low production efficiency, slow filtration rate, and difficult separation of catalysts, so as to improve production High efficiency, fast and efficient separation, close contact effect

Inactive Publication Date: 2017-05-10
ZHONGBEI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010] The purpose of the present invention is to provide a PAO catalytic polymerization and catalyst magnetic separation process and device integrating polymerization reaction and magnetic separation to solve the problems of difficult catalyst separation, slow filtration rate and low production efficiency in the traditional process

Method used

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  • Reaction and separation integrated process and device for synthesizing poly-alpha-olefin (PAO)

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Experimental program
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Effect test

Embodiment 1

[0024] A reaction separation integrated device for synthesizing polyalpha-olefin (PAO), such as figure 1 As shown, it includes a reactor main body 1, a jacket 2 is provided outside the reactor main body 1, a heating / cooling medium outlet 8 is arranged at the upper end of the jacket 2, and a heating / cooling medium inlet 9 is arranged at the lower end; 1. An agitator 4 driven by a motor 3 is installed in the inner center, an electromagnetic chuck 10 is fixed on the inner wall of the reactor main body 1, and an electromagnetic chuck controller 11 is installed outside the reactor main body 1. The electromagnetic chuck controller 11 controls The opening and closing of the electromagnetic chuck 10; the top of the reactor main body 1 is provided with a feeding port 5 and a temperature measuring port 6, and the bottom is provided with a discharging port 7; the reactor main body 1 is located on the reactor support 12.

Embodiment 2

[0026] Take 1m 3 The jacketed stirring reaction kettle that the 1-decene solution adds, adds 5% (mass fraction) AlCl 3 +TiCl 4 / SiO 2 / NiFe 2 O 4 , turn on stirring, adjust the temperature to 80°C, control the reaction pressure to 0.1MPa, and after the reaction time is 3h, turn on the electromagnetic chuck controller, and magnetically separate AlCl 3 +TiCl 4 / SiO 2 / NiFe 2 O 4 The catalyst is then distilled to remove light components, and the PAO product is obtained after hydrogenation. Testing PAO products, the viscosity index is 130, and the kinematic viscosity at 100°C is 12mm 2 / s, the freezing point is 50°C.

Embodiment 3

[0028] Take 1m 3 The jacketed stirring reaction kettle that the 1-nonene solution was added, added 4% (mass fraction) AlCl 3 +TiCl 4 / SiO 2 / Fe 2 O 4 , turn on stirring, adjust the temperature to 75°C, control the reaction pressure at 0.5MPa, and after the reaction time is 5h, turn on the electromagnetic chuck controller, and magnetically separate AlCl 3 +TiCl 4 / SiO 2 / Fe 2 O 4 The catalyst is then distilled to remove light components, and the PAO product is obtained after hydrogenation. Testing PAO products, the viscosity index is 125, and the kinematic viscosity at 100°C is 10mm 2 / s, the freezing point is 45°C.

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Abstract

The invention discloses a reaction and separation integrated process and device for synthesizing poly-alpha-olefin (PAO). The reaction and separation integrated process comprises the following steps: putting an alpha-olefin raw material and a magnetic lewis acid catalyst in a ratio into a reaction and separation integrated device, after the reaction is completed, powering on an electromagnetic sucker inside a reaction kettle to magnetize the magnetic lewis acid catalyst to adsorb onto the surface of the electromagnetic sucker, and feeding a discharged reaction clean liquid into a next procedure. By adopting the reaction and separation integrated device, the problem that the lewis acid catalyst in PAO synthesis is hard to separate can be solved. By adopting the process and the device, PAO process procedures can be greatly simplified, the number of production devices can be reduced, energy consumption for separating the catalyst can be reduced, the production cost of PAO can be lowered, and green, environment-friendly and efficient production of PAO can be achieved.

Description

technical field [0001] The invention relates to the fields of coal chemical industry and petrochemical industry, in particular to an integrated process and device for reaction and separation of lubricating oil base oil polyalpha-olefin (PAO). Background technique [0002] As a high-grade lubricating base oil, polyalpha-olefin (PAO) is used in the fields of machinery, aviation, military industry and automobile. High point and low pour point. [0003] The production process of PAO includes the catalytic polymerization of long-chain α-olefins, catalyst removal, distillation and desolvation, and hydrogenation to obtain lubricating base oils with high saturation. Among them, more than 90% of the raw materials come from α-olefins synthesized by ethylene oligomerization method, and the rest are α-olefins prepared by paraffin cracking method or C obtained from Fischer-Tropsch (F-T) synthetic oil by rectification and cutting. 8 ~C 12 mixed olefins. In addition, different catalyst...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01J8/08C08F110/14C08F2/01
CPCB01J8/005B01J8/08C08F110/14C08F2/01Y02P20/10
Inventor 李裕李军平柳来栓
Owner ZHONGBEI UNIV
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