Catalyst combined hydrotreating process for low-quality heavy oil with high metal, high sulfur and high nitrogen
A technology for hydrogenation treatment and low-quality heavy oil, applied in the field of hydrogenation, which can solve the problems of short operation period and achieve the effects of slowing down the pressure drop, long unit operation period and low investment
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0049] Embodiment 1 (the described concentration % is mass %)
[0050] use figure 1 The hydrogenation process combination shown includes 5 reactors, including 2 upflow de-iron and decalcification reactors, 1 demetallization reactor, 1 desulfurization reactor and 1 denitrogenation reactor. Catalyst gradation assembly scheme is adopted, and hydrode-iron and decalcification catalyst, hydrodemetallization agent, hydrodesulfurization agent and hydrodenitrogenation agent are filled in the reactor respectively, and the addition ratios are 20%, 25%, and 20% respectively , 35%.
[0051] The upflow de-iron and decalcification reactor is filled with a hydrogenation de-iron and decalcification agent, numbered DFC-1#, and the preparation method of the catalyst is as follows:
[0052] In this embodiment, cylindrical Al 2 o 3 As a carrier, the catalyst with active metal components of Mo and Ni was prepared by unsaturated spray-dipping method.
[0053] Weigh 150g of Al with a water absor...
Embodiment 2
[0068] use figure 1 The hydrogenation process combination shown includes 5 reactors, including 2 upflow de-iron and decalcification reactors, 1 demetallization reactor, 1 desulfurization reactor and 1 denitrogenation reactor, such as figure 1 shown. Catalyst gradation assembly scheme is adopted, and hydrodeferrification and decalcification catalyst, hydrodemetallization agent, hydrodesulfurization agent and hydrodenitrogenation agent are filled in the reactor respectively, and the addition ratios are 25%, 25%, and 20% respectively , 30%.
[0069] The upflow fixed-bed de-iron and decalcification reactor is filled with a hydrode-iron and decalcification catalyst, numbered DFC-2#, and the preparation method is as follows:
[0070] Select Al with hollow cam shape 2 o 3 As a carrier, weigh 150g of Al with a water absorption rate of 1.10mL / g 2 o 3 Carrier, spray 50mL containing 8.6g ammonium molybdate (containing MoO 3 82%, Beijing Chemical Reagent Company) and the ammonia so...
Embodiment 3
[0078] use figure 1 The hydrogenation process combination shown includes 5 reactors, including 2 upflow de-iron and decalcification reactors, 1 demetallization reactor, 1 desulfurization reactor and 1 denitrogenation reactor. Catalyst gradation assembly scheme is adopted, and hydrodeferrification and decalcification catalyst, hydrodemetallization agent, hydrodesulfurization agent and hydrodenitrogenation agent are filled in the reactor respectively, and the addition ratios are 15%, 20%, and 25% respectively , 40%.
[0079] The upflow fixed-bed iron and decalcification reactor is filled with a hydrodeferrification and decalcification catalyst DFC-1#, and the catalyst is the same as in Example 1.
[0080] The fixed-bed demetallization reactor was filled with a hydrodemetallization agent DM-2#, and the catalyst was the same as in Example 1.
[0081] The desulfurization reactor is filled with a hydrodesulfurization agent, numbered DS-2# respectively. Catalyst is with embodiment...
PUM
| Property | Measurement | Unit |
|---|---|---|
| specific surface area | aaaaa | aaaaa |
| specific surface area | aaaaa | aaaaa |
| specific surface area | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
Login to View More