Residue hydrodemetallization catalyst and preparation method thereof
A technology of hydrodemetallization and residual oil hydrogenation, which is applied in the direction of catalyst activation/preparation, metal/metal oxide/metal hydroxide catalysts, chemical instruments and methods, etc., and can solve the problem of short residence time of reaction molecules in pores , the stability needs to be further improved, and the carrier utilization rate is reduced to achieve the effect of promoting penetration and uniformity, increasing coverage, and enhancing mechanical strength
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0054] (1) Weigh 100 grams of activated carbon particles with a particle size of 6 µm, and immerse them with active component impregnation solution I with a molybdenum oxide concentration of 3.30g / 100ml and a nickel oxide concentration of 0.56g / 100ml. The modified physical pore expander was obtained by drying for 4 hours.
[0055] (2) Weigh 200 grams of pseudo-boehmite (made by aluminum sulfate method), step (1) 23.5 grams of modified physical pore expander, 0.4 grams of succulent powder, 1.9 grams of ammonium heptamolybdate, and 2.95 grams of nickel nitrate hexahydrate gram, the above-mentioned physical mixing is uniform, an appropriate amount of acetic acid aqueous solution with a mass concentration of 1.5% is added and kneaded, extruded into strips, and the molded product is dried at 100 ° C for 6 hours, and the dried product is in an air atmosphere, calcined at 600 ° C for 5 hours to obtain modified Alumina support SI.
[0056] (3) Weigh 100 grams of modified alumina carr...
Embodiment 2
[0060] The same as Example 1, except that the particle size of the activated carbon in step (1) is 5 microns, the concentration of molybdenum oxide in the active component impregnation solution I is 3.55 g / 100mL, and the concentration of nickel oxide is 0.45g / 100mL; step (2) modified physical expansion. The addition amount of the pore agent is 27 grams, the addition amount of ammonium heptamolybdate is 1.76 grams, and the nickel nitrate hexahydrate is 2.82 grams; the concentration of the ammonium bicarbonate solution in step (3) is 17.5%, the solution addition amount is 1150 grams, and the sealing pretreatment temperature is 90 °C, the treatment time is 2 hours, the heat treatment temperature is 145 °C, and the treatment time is 7 hours, and the modified alumina carrier SII-2 is obtained. Step (4) MoO in the active component impregnation solution II 3 The hydrodemetallization catalyst Cat2 was prepared with a concentration of 4.7g / 100mL and a NiO concentration of 2.75g / 100mL. T...
Embodiment 3
[0063] Same as Example 1, except that the particle size of the activated carbon in step (1) is 9 microns, the concentration of molybdenum oxide in the active component impregnation solution I is 2.15 g / 100mL, and the concentration of nickel oxide is 0.71g / 100mL; step (2) modified physical expansion The addition amount of the pore agent is 30.8 grams, the addition amount of ammonium heptamolybdate is 2.24 grams, and the nickel nitrate hexahydrate is 2.41 grams; the concentration of the ammonium bicarbonate solution in step (3) is 16.5%, the solution addition amount is 980 grams, and the heat treatment temperature is 125 ℃, the treatment time is 8 hours, and the modified alumina carrier SII-3 is prepared. Step (4) MoO in Active Component Impregnation Solution II 3 The hydrodemetallization catalyst Cat3 was prepared with a concentration of 4.95g / 100mL and a NiO concentration of 3.15g / 100mL. The molybdenum oxide content in the catalyst was 5.34wt% and the nickel oxide content was ...
PUM
Property | Measurement | Unit |
---|---|---|
diameter | aaaaa | aaaaa |
length | aaaaa | aaaaa |
diameter | aaaaa | aaaaa |
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com