CN1803283A - Hydrotreatment catalyst and its preparing method - Google Patents
Hydrotreatment catalyst and its preparing method Download PDFInfo
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- CN1803283A CN1803283A CN 200510002052 CN200510002052A CN1803283A CN 1803283 A CN1803283 A CN 1803283A CN 200510002052 CN200510002052 CN 200510002052 CN 200510002052 A CN200510002052 A CN 200510002052A CN 1803283 A CN1803283 A CN 1803283A
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- catalyst
- metal component
- group viii
- carbonate
- aqueous solution
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- 239000003054 catalyst Substances 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 47
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000002002 slurry Substances 0.000 claims abstract description 20
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 claims abstract description 11
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical compound [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 36
- 239000007864 aqueous solution Substances 0.000 claims description 28
- 239000000203 mixture Substances 0.000 claims description 21
- 238000002360 preparation method Methods 0.000 claims description 18
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 17
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 14
- 229910001593 boehmite Inorganic materials 0.000 claims description 9
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims description 9
- 125000005587 carbonate group Chemical group 0.000 claims description 8
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 claims description 8
- 229910052721 tungsten Inorganic materials 0.000 claims description 8
- 239000010937 tungsten Substances 0.000 claims description 8
- 229910052759 nickel Inorganic materials 0.000 claims description 7
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 6
- 229910052750 molybdenum Inorganic materials 0.000 claims description 6
- 239000011733 molybdenum Substances 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 5
- ATRRKUHOCOJYRX-UHFFFAOYSA-N Ammonium bicarbonate Chemical compound [NH4+].OC([O-])=O ATRRKUHOCOJYRX-UHFFFAOYSA-N 0.000 claims description 4
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims description 4
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 4
- 239000001099 ammonium carbonate Substances 0.000 claims description 4
- 235000012501 ammonium carbonate Nutrition 0.000 claims description 4
- -1 carbonate anion Chemical class 0.000 claims description 4
- 239000010941 cobalt Substances 0.000 claims description 4
- 229910017052 cobalt Inorganic materials 0.000 claims description 4
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical group [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 4
- 230000036571 hydration Effects 0.000 claims description 3
- 238000006703 hydration reaction Methods 0.000 claims description 3
- ZSLUVFAKFWKJRC-IGMARMGPSA-N 232Th Chemical compound [232Th] ZSLUVFAKFWKJRC-IGMARMGPSA-N 0.000 claims description 2
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims description 2
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 2
- 229910052776 Thorium Inorganic materials 0.000 claims description 2
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 2
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims description 2
- 229910052796 boron Inorganic materials 0.000 claims description 2
- 239000011777 magnesium Substances 0.000 claims description 2
- 229910052749 magnesium Inorganic materials 0.000 claims description 2
- 150000004682 monohydrates Chemical class 0.000 claims description 2
- 229910052758 niobium Inorganic materials 0.000 claims description 2
- 239000010955 niobium Substances 0.000 claims description 2
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims description 2
- 229940072033 potash Drugs 0.000 claims description 2
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 2
- 235000015320 potassium carbonate Nutrition 0.000 claims description 2
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 2
- 150000002910 rare earth metals Chemical class 0.000 claims description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims description 2
- 229910052719 titanium Inorganic materials 0.000 claims description 2
- 229910052726 zirconium Inorganic materials 0.000 claims description 2
- 239000000243 solution Substances 0.000 abstract description 23
- 238000006243 chemical reaction Methods 0.000 abstract description 17
- 238000001035 drying Methods 0.000 abstract description 12
- 238000005984 hydrogenation reaction Methods 0.000 abstract description 12
- 238000007670 refining Methods 0.000 abstract description 3
- 238000005245 sintering Methods 0.000 abstract description 3
- 238000004821 distillation Methods 0.000 abstract description 2
- 238000002156 mixing Methods 0.000 abstract 2
- 239000012266 salt solution Substances 0.000 abstract 2
- MXRIRQGCELJRSN-UHFFFAOYSA-N O.O.O.[Al] Chemical compound O.O.O.[Al] MXRIRQGCELJRSN-UHFFFAOYSA-N 0.000 abstract 1
- 239000012065 filter cake Substances 0.000 description 16
- 239000003921 oil Substances 0.000 description 16
- 230000032683 aging Effects 0.000 description 11
- 239000003643 water by type Substances 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 239000008367 deionised water Substances 0.000 description 9
- 229910021641 deionized water Inorganic materials 0.000 description 9
- 206010013786 Dry skin Diseases 0.000 description 8
- KBJMLQFLOWQJNF-UHFFFAOYSA-N nickel(ii) nitrate Chemical compound [Ni+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O KBJMLQFLOWQJNF-UHFFFAOYSA-N 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-O Ammonium Chemical compound [NH4+] QGZKDVFQNNGYKY-UHFFFAOYSA-O 0.000 description 7
- 235000018660 ammonium molybdate Nutrition 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- 238000010009 beating Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000001125 extrusion Methods 0.000 description 5
- 238000010792 warming Methods 0.000 description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 4
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 4
- 238000013019 agitation Methods 0.000 description 4
- 239000002199 base oil Substances 0.000 description 4
- 229910052799 carbon Inorganic materials 0.000 description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 4
- 229910000765 intermetallic Inorganic materials 0.000 description 4
- 229910052717 sulfur Inorganic materials 0.000 description 4
- 239000011593 sulfur Substances 0.000 description 4
- 241000196324 Embryophyta Species 0.000 description 3
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 3
- 229910021586 Nickel(II) chloride Inorganic materials 0.000 description 3
- APUPEJJSWDHEBO-UHFFFAOYSA-P ammonium molybdate Chemical compound [NH4+].[NH4+].[O-][Mo]([O-])(=O)=O APUPEJJSWDHEBO-UHFFFAOYSA-P 0.000 description 3
- 239000011609 ammonium molybdate Substances 0.000 description 3
- 229940010552 ammonium molybdate Drugs 0.000 description 3
- 238000000975 co-precipitation Methods 0.000 description 3
- QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 159000000013 aluminium salts Chemical class 0.000 description 2
- 229910000329 aluminium sulfate Inorganic materials 0.000 description 2
- VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 238000004517 catalytic hydrocracking Methods 0.000 description 2
- GVPFVAHMJGGAJG-UHFFFAOYSA-L cobalt dichloride Chemical compound [Cl-].[Cl-].[Co+2] GVPFVAHMJGGAJG-UHFFFAOYSA-L 0.000 description 2
- UFMZWBIQTDUYBN-UHFFFAOYSA-N cobalt dinitrate Chemical compound [Co+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O UFMZWBIQTDUYBN-UHFFFAOYSA-N 0.000 description 2
- 229910001981 cobalt nitrate Inorganic materials 0.000 description 2
- DIOQZVSQGTUSAI-UHFFFAOYSA-N decane Chemical compound CCCCCCCCCC DIOQZVSQGTUSAI-UHFFFAOYSA-N 0.000 description 2
- IYYZUPMFVPLQIF-UHFFFAOYSA-N dibenzothiophene sulfoxide Natural products C1=CC=C2C3=CC=CC=C3SC2=C1 IYYZUPMFVPLQIF-UHFFFAOYSA-N 0.000 description 2
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- JKQOBWVOAYFWKG-UHFFFAOYSA-N molybdenum trioxide Chemical compound O=[Mo](=O)=O JKQOBWVOAYFWKG-UHFFFAOYSA-N 0.000 description 2
- 238000007430 reference method Methods 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 241000640882 Condea Species 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- ZGRBQKWGELDHSV-UHFFFAOYSA-N N.[W+4] Chemical compound N.[W+4] ZGRBQKWGELDHSV-UHFFFAOYSA-N 0.000 description 1
- 239000004372 Polyvinyl alcohol Substances 0.000 description 1
- 244000275012 Sesbania cannabina Species 0.000 description 1
- 229920002472 Starch Polymers 0.000 description 1
- UCKMPCXJQFINFW-UHFFFAOYSA-N Sulphide Chemical compound [S-2] UCKMPCXJQFINFW-UHFFFAOYSA-N 0.000 description 1
- MQRWBMAEBQOWAF-UHFFFAOYSA-N acetic acid;nickel Chemical compound [Ni].CC(O)=O.CC(O)=O MQRWBMAEBQOWAF-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- DIZPMCHEQGEION-UHFFFAOYSA-H aluminium sulfate (anhydrous) Chemical compound [Al+3].[Al+3].[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O.[O-]S([O-])(=O)=O DIZPMCHEQGEION-UHFFFAOYSA-H 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 238000001354 calcination Methods 0.000 description 1
- QGJOPFRUJISHPQ-NJFSPNSNSA-N carbon disulfide-14c Chemical compound S=[14C]=S QGJOPFRUJISHPQ-NJFSPNSNSA-N 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000009903 catalytic hydrogenation reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 229940011182 cobalt acetate Drugs 0.000 description 1
- HIYNGBUQYVBFLA-UHFFFAOYSA-D cobalt(2+);dicarbonate;hexahydroxide Chemical compound [OH-].[OH-].[OH-].[OH-].[OH-].[OH-].[Co+2].[Co+2].[Co+2].[Co+2].[Co+2].[O-]C([O-])=O.[O-]C([O-])=O HIYNGBUQYVBFLA-UHFFFAOYSA-D 0.000 description 1
- QAHREYKOYSIQPH-UHFFFAOYSA-L cobalt(II) acetate Chemical compound [Co+2].CC([O-])=O.CC([O-])=O QAHREYKOYSIQPH-UHFFFAOYSA-L 0.000 description 1
- 229910000001 cobalt(II) carbonate Inorganic materials 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 229910001648 diaspore Inorganic materials 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 238000006317 isomerization reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 229920000609 methyl cellulose Polymers 0.000 description 1
- 239000001923 methylcellulose Substances 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 239000003607 modifier Substances 0.000 description 1
- MEFBJEMVZONFCJ-UHFFFAOYSA-N molybdate Chemical compound [O-][Mo]([O-])(=O)=O MEFBJEMVZONFCJ-UHFFFAOYSA-N 0.000 description 1
- 150000002751 molybdenum Chemical class 0.000 description 1
- 150000002815 nickel Chemical class 0.000 description 1
- 229940078494 nickel acetate Drugs 0.000 description 1
- 229910000480 nickel oxide Inorganic materials 0.000 description 1
- 229910000008 nickel(II) carbonate Inorganic materials 0.000 description 1
- ZULUUIKRFGGGTL-UHFFFAOYSA-L nickel(ii) carbonate Chemical compound [Ni+2].[O-]C([O-])=O ZULUUIKRFGGGTL-UHFFFAOYSA-L 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- GNRSAWUEBMWBQH-UHFFFAOYSA-N oxonickel Chemical compound [Ni]=O GNRSAWUEBMWBQH-UHFFFAOYSA-N 0.000 description 1
- 229920002451 polyvinyl alcohol Polymers 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000008107 starch Substances 0.000 description 1
- 235000019698 starch Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000005987 sulfurization reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- CMPGARWFYBADJI-UHFFFAOYSA-L tungstic acid Chemical group O[W](O)(=O)=O CMPGARWFYBADJI-UHFFFAOYSA-L 0.000 description 1
Landscapes
- Catalysts (AREA)
Abstract
The invention discloses a making method of hydrogen-adding disposal catalyst, which comprises the following steps: 1) preparing slurry with hydrated aluminum oxide; 2) mixing the carbonate solution and VIII valence metal salt solution and 1) slurry; stewing at 20-150 deg C for 0.5-10 h; 3) mixing the VIB valence metal salt solution and 2) slurry; stewing at 40-150 deg C for 1-6 h; 4) modeling the 3) product; drying at 100-200 deg C for 1-6 h; sintering at 350-600 deg C for 1-6 h. The catalyst possesses higher hydrogenation active property, which can be applied in hydrogenation refining or hydrogenation disposal reaction for kinds of distillation oil.
Description
Technical field
The present invention relates to a kind of hydrotreating catalyst and preparation method thereof.
Background technology
Under the hydrotreatment reaction condition, hydrocarbon feed contacts contingent reaction and comprises with catalyst: hydrogenation, hydrodesulfurization, hydrodenitrogeneration, HDM, hydrogenation aromatics-removing, hydroisomerization, Hydrodewaxing, hydrocracking and mitigation hydrocracking reaction.Generally speaking, hydrotreating catalyst is made up of carrier and the hydrogenation active metals component that loads on this carrier.Hydrogenation active metals component wherein often is selected from molybdenum and/or the tungsten and their composition of the cobalt of group VIII and/or nickel, group vib.Common carrier is selected from aluminium oxide, silica-alumina and their modifier.These catalyst can be made by steps such as dry and roastings then by the solution impregnating carrier that contains described metallic compound; Also carrier component, group VIII metal component and group vib metal component can be adopted the method preparation of co-precipitation.
CN85104438 A discloses a kind of catalyst for hydrorefining distillate oil that contains the auxiliary agent fluorine, it is characterized in that it is the γ-Al that is made by the higher diaspore high-temperature roasting of purity
2O
3Be carrier, the oxide that supports tungsten and nickel constitutes.
US3,280,040 discloses a kind of prepared by co-precipitation catalyst method, comprise: (a) under the pH5.5-8 condition, adopt the coprecipitation preparation to contain the mixture of three kinds of metallic compounds, (i) at least a component is made up of solution and colloidal sol in the described mixture, the oxide of (ii) at least a described its metal of metallic compound has the catalytic isomerization activity, the oxide of (iii) at least a described its metal of metallic compound, sulfide and simple substance have catalytic hydrogenation activity, (iv) at least a described metallic compound is the chloride of this metal, (b) coprecipitate washing and acetate ion exist ion-exchange to chloride ion content less than 0.25 weight %, (c) coprecipitate drying.
CN1184143A discloses a kind of second section hydrogenation catalyst of heavy oil hydrogenation producing base oil for lubricant oil, it is characterized in that catalyst with alundum (Al or/and silica is carrier, active component is tungstic acid and/or molybdenum trioxide and nickel oxide, oxide content 48-55% (weight).Its preparation method comprises: (1) aluminium salt and or silicon salt be warming up to 40-70 ℃ of dropping ammonia after being dissolved in water and make pH value 8-10, at 20-80 ℃ of aging 30-150 minute; (2) aqueous solution of dropping tungsten or molybdenum salt in the stirring, it is aging to heat up, and aging temperature 40-65 ℃, ageing time 15 minutes; (3) drip nickel salt aqueous solution in the stirring, it is aging to heat up, and aging temperature 40-65 ℃, ageing time 15 minutes is collected also washing product; (4) oven dry, calcination activation, bake out temperature 80-150 ℃, drying time 10-24 hour, sintering temperature 500-600 ℃, soak time 8-24 hour.
Adopting the advantage of the load hydrogenation processing catalyst of existing method preparation is that cost is low, crushing strength is high, is convenient to operating such as the filling on the commercial plant.But the ubiquitous shortcoming of this class catalyst is active low.
Summary of the invention
The objective of the invention is to handle the low characteristics of catalyst activity, a kind of new hydrotreating catalyst preparation method and the catalyst that is prepared by this method are provided at the load hydrogenation of existing method preparation.
Method provided by the invention may further comprise the steps: 1) a kind of slurries that contain the hydration aluminium oxide of preparation; 2) the carbonato aqueous solution and the aqueous solution that contains the group VIII slaine are mixed with the slurries that step 1) obtains, mixture filtered also to mix with water again and pulls an oar into slurries at 20-150 ℃ of sinkingization 0.5-10 hour; 3) will contain the aqueous solution and step 2 of group vib slaine) slurries that obtain mix, and mixture is at 40-150 ℃ of sinkingization 8-24 hour, filters and in 100-200 ℃ of dry 1-6 hour; 4) the product moulding that step 3 is obtained, in 100-200 ℃ of dry 1-6 hour, 350-600 ℃ roasting 1-6 hour; The concentration of the described carbonato aqueous solution and consumption, making the mol ratio of the metal component of carbonate in the mixture and/or carbonate anion and group VIII is 0.3-3, in oxide, described concentration and the consumption that contains the aqueous solution of group VIII slaine and group vib slaine, the content that makes group VIII metal component in the final catalyst is 5-20 weight %, and the content of group vib metal component is 15-40 weight %.
Catalyst provided by the invention contains aluminium oxide, is selected from the metal component of group VIII and group vib, the method preparation that this catalyst is provided by the invention described above.
Compare with the catalyst that existing method provides, the performance of hydrotreating catalyst provided by the invention is obviously improved.
For example, adopt catalyst provided by the invention to subtract three-way shallow degree furfural refining oil and carry out hydrotreatment to a kind of, yield greater than 370 ℃ of distillates in the generation oil is at least 80.1 weight %, and the viscosity index (VI) of dewaxing back base oil is more than or equal to 110, and sulfur content is reduced to less than 10 μ gg
-1And for reference catalyst, the yield greater than 370 ℃ of distillates in the generation oil only is 68.0 weight %, and the viscosity index (VI) of dewaxing back base oil is 110, and sulfur content is greater than 25 μ gg
-1
The specific embodiment
According to method provided by the invention, described step 2) heavyization temperature is preferably 30-100 ℃, and the heavyization time is preferably 1-3 hour; The heavyization temperature of step 3) is preferably 60-140 ℃, and the heavyization time is preferably 10-24 hour.
According to method provided by the invention, described hydrated alumina is selected from one or more in hibbsite, boehmite, boehmite and the amorphous hydroted alumina, or among hibbsite, monohydrate alumina and the amorphous hydroted alumina of siliceous, titanium, magnesium, boron, zirconium, thorium, niobium, rare earth one or more.Preferred boehmite wherein.They can be that commercially available commodity also can be by any one method preparation in the prior art.For example, can be with a kind of solution that contains aluminium salt with a kind of alkali or acid reaction, become glue and aging method preparation; It can be method preparation with the aluminum alkoxide hydrolysis.For example, can adopt the synthetic method preparation of the applicant's disclosed boehmite in CNCN 1356266A, CN 1250746A.Details about these methods discloses in above-mentioned patent (application) in detail, does not give unnecessary details herein.
The described slurries that contain the hydration aluminium oxide can be that directly the hydrated alumina that any one is commercially available mixes with water and obtains; Also can be at first to synthesize hydrated alumina, mix obtaining afterwards with water according to customary way.The content of aluminium oxide is 2%-20% in the described slurries, is preferably 2.1%-5%.
Described carbonate is selected from one or more in carbonic hydroammonium, ammonium carbonate, sodium acid carbonate, sodium carbonate, saleratus, the potash, preferred ammonium carbonate and/or carbonic hydroammonium wherein.
Described group VIII metal component is preferably cobalt and/or nickel, more preferably nickel.
Described group VIII slaine is selected from one or more in the group VIII metal soluble salt, as nickel nitrate, nickel acetate, basic nickel carbonate, nickel chloride, in the soluble complexes of cobalt nitrate, cobalt acetate, basic cobaltous carbonate, cobalt chloride and nickel or cobalt one or more, in the preferred cobalt chloride, cobalt nitrate, nickel chloride, nickel nitrate wherein one or more, more preferably nickel chloride and/or nickel nitrate.
Described group vib metal component is preferably molybdenum and/or tungsten, more preferably molybdenum and tungsten.
Described group vib slaine is selected from one or more in the group vib metal soluble salt, as molybdate, paramolybdate, in tungstates, metatungstate, the ethyl metatungstate one or more, preferred ammonium molybdate, ammonium paramolybdate wherein, one or more in ammonium metatungstate, the inclined to one side tungsten ammonium of ethyl.
According to method provided by the invention, described the carbonato aqueous solution and the aqueous solution that contains the group VIII slaine are mixed with the slurries that step 1) obtains, can be under agitation the carbonato aqueous solution and the aqueous solution that contains the group VIII slaine to be joined respectively or simultaneously in the mixed liquor of boehmite and water, also can be with the carbonato aqueous solution, contain the aqueous solution of group VIII slaine and contain the boehmite slurries with and the mode that flows join in the reaction vessel simultaneously.The concentration of the carbonate containing aqueous solution and consumption, preferably make its with the aqueous solution that contains the group VIII slaine after, the mol ratio of carbonate and/or bicarbonate anion and group VIII metal component is 0.5-2; The concentration and the consumption that contain the group VIII slaine make the group VIII metal component that contains 5-20 weight % in the final catalyst, are preferably 5-18 weight %.
Described with step 2) slurries with contain the aqueous solution of group vib slaine, can be that the aqueous solution that under agitation will contain the group vib slaine joins described step 2) slurries in, also can be to contain the aqueous solution of group vib slaine with described step 2) slurries and stream add in the reaction vessel.The concentration and the consumption that contain the aqueous solution of group vib slaine make the group vib metal component that contains 15-40 weight % in the final catalyst, are preferably 20-35 weight %.
Described moulding adopts customary way to carry out, and all can as methods such as compressing tablet, extrusions.When adopting the customary way moulding,, for example when extrusion, can in mixture, introduce an amount of extrusion aid and water, extrusion molding afterwards for guaranteeing carrying out smoothly in described mixture, introducing and helping forming agent to allow of moulding.The kind of described extrusion aid and consumption all can be this area routines, for example can be selected from sesbania powder, methylcellulose, starch, polyvinyl alcohol, the poly-ethanol one or more.
Described baking temperature is preferably 105-150 ℃, is preferably 1.5-5 hour drying time, and sintering temperature is preferably 400-500 ℃, and roasting time is preferably 2-5 hour.
The catalyst that the present invention narrated is applicable to the hydrofinishing or the hydrotreatment of all kinds of oil products or hydro carbons and oil product, and the hydrotreatment that is particularly useful for heavy distillate is to produce lube base oil.
The present invention is described further below in conjunction with specific embodiment.
Embodiment 1
Method provided by the invention and the catalyst that is prepared by this method are described.
It is 0.5 solution a1 that 666 gram aluminum sulfate are dissolved into molar concentration with deionized water, and it is 2.5 solution b1 that 800 gram carbonic hydroammonium are dissolved into molar concentration with deionized water.Under the room temperature solution a1 being joined one 10 liters become in the glue jar with solution b1 simultaneously in the mode that also flows reacts, course of reaction control pH value is 6.5, be warming up to 55 ℃ and this temperature sinkingization 1.5 hours, filter, filter cake washs three times with the deionized water of 10 times (weight) 55 ℃, filters and obtains filter cake c1.
26.5 gram carbonic hydroammonium are become solution d1 with 350 gram deionized water dissolvings, 97.5 gram nickel nitrates are become solution e1 with 350 gram deionized water dissolvings.The filter cake c1 of above-mentioned gained is added 4 liters of deionized waters making beating, add d1 solution and also be warming up to 40 ℃, be added dropwise to e1 solution afterwards, 40 ℃ of sinkingizations 3 hours.Filtration obtains filter cake f1.Wherein the mol ratio of carbonate and VIII family metal component is 1.0.
19.8 gram ammonium molybdates and 24.5 gram ammonium metatungstates are dissolved in wiring solution-forming h1 in the 500 gram deionized waters.The filter cake f1 of above-mentioned gained is added 3 liters of deionized waters making beating, be heated to 75 ℃, be added dropwise to h1 solution then, afterwards in 75 ℃ of sinkingizations 22 hours.Filtration obtains filter cake i1, and filter cake i1 120 ℃ of dryings 5 hours, is pulverized the back and is extruded into the cylinder bar shaped of 1.4 millimeters of φ with banded extruder, and wet bar is in 110 ℃ of dryings 5 hours, and 400 ℃ of roastings 5 hours make catalyst A.The catalyst A composition is listed in table 1.
Embodiment 2
Method provided by the invention and the catalyst that is prepared by this method are described.
Get 135 gram SB powder (German Condea company product, butt 74%), adds 4 liters of deionized waters and pull an oar.22.1 gram carbonic hydroammonium with being dissolved into solution d2 in the 350 gram deionized waters, are become solution e2 with 117 gram nickel nitrates with 350 gram deionized water dissolvings.Under agitation, be warming up to 60 ℃, heavyization 2 hours with d2 and e2 solution and the above-mentioned hydrated alumina slurries of stream adding.Filtration obtains filter cake f2.Wherein the mol ratio of carbonate and VIII family metal component is 1.45.
16.5 gram ammonium molybdates and 29.4 gram ammonium metatungstates are dissolved in wiring solution-forming h2 in the 500 gram deionized waters.The filter cake f2 of above-mentioned gained is added 3 liters of deionized waters making beating, be heated to 95 ℃, be added dropwise to h2 solution then, afterwards in 95 ℃ of sinkingizations 18 hours.Filtration obtains filter cake i2.Filter cake i2 120 ℃ of dryings 5 hours, is pulverized the back and is extruded into the cylinder bar shaped of 1.4 millimeters of φ with banded extruder, and wet bar is in 120 ℃ of dryings 4 hours, and 440 ℃ of roastings 4 hours make catalyst B.The catalyst B composition is listed in table 1.
Embodiment 3
Method provided by the invention and the catalyst that is prepared by this method are described.
Get 137 gram CD powder (Chang Ling oil plant catalyst plant product, butt 73%), add 4 liters of deionized water making beating.31.8 gram carbonic hydroammonium with being dissolved into solution d3 in the 350 gram deionized waters, are become solution e3 with 81.3 gram nickel nitrates with 350 gram deionized water dissolvings.Under agitation, be warming up to 75 ℃, heavyization 1 hour with d3 and e3 solution and the above-mentioned hydrated alumina slurries of stream adding.Filtration obtains filter cake f3.Wherein the mol ratio of carbonate and VIII family metal component is 0.7.
23.8 gram ammonium molybdates and 20.4 gram ammonium metatungstates are dissolved in wiring solution-forming h3 in the 500 gram deionized waters.The filter cake f3 of above-mentioned gained is added 3 liters of deionized waters making beating, be heated to 115 ℃, be added dropwise to h3 solution then, afterwards in 115 ℃ of sinkingizations 12 hours.Filtration obtains filter cake i3.Filter cake i3 120 ℃ of dryings 5 hours, is pulverized the back and is extruded into the cylinder bar shaped of 1.4 millimeters of φ with banded extruder, and wet bar is in 140 ℃ of dryings 3 hours, and 480 ℃ of roastings 3 hours make catalyst C.Catalyst C composition is listed in table 1.
Embodiment 4
Method provided by the invention and the catalyst that is prepared by this method are described.
With embodiment 1, except that the introducing amount of molybdenum and tungsten was different, other were identical with example 1, make catalyst D.Catalyst D composition is listed in table 1.
Comparative Examples 1
Reference method and the catalyst that is prepared by this method are described.
According to the 1 preparation catalyst E of the example among Chinese patent CN 85 1 04438 A, catalyst E composition is listed in table 1.
Comparative Examples 2
Reference method and the catalyst that is prepared by this method are described.
The method that CN 1184143A provides prepares catalyst.Be specially: 114 gram aluminium chloride are restrained deionized water dissolvings and are warmed up to 55 ℃ with 1500, and ammonia spirit to the pH value that drips 10 weight % is 8.0, precipitation also aging 30 minutes; Temperature remains unchanged, and is added dropwise to the aqueous solution (be dissolved in 600 gram water and formed by ammonium metatungstate 20.5 grams, ammonium molybdate 15.0 grams) that contains ammonium metatungstate and ammonium molybdate in the stirring, aging 15 minutes; Drip nickel nitrate aqueous solution (38.5 gram nickel nitrates add water-soluble the separating of 75 grams), aging 60 minutes.Filter after washing 3 times.Filter cake 120 ℃ of dryings 5 hours, is pulverized the back and is extruded into the cylinder bar shaped of 1.4 millimeters of φ with banded extruder, and wet bar is in 120 ℃ of dryings 15 hours, and 400 ℃ of roastings 3 hours make catalyst F.Catalyst F composition is listed in table 1.
Table 1
| Embodiment | 1 | 2 | 3 | 4 | Comparative Examples 1 | Comparative Examples 2 |
| Catalyst | A | B | C | D | E | F |
| Al 2O 3/ weight % | 57.2 | 53.4 | 59.8 | 60.3 | 66.9 | 59.0 |
| NiO/ weight % | 11.8 | 14.1 | 9.8 | 14.9 | 3.2 | 14.8 |
| MoO 3/ weight % | 12.6 | 10.5 | 15.1 | 9.5 | / | 9.8 |
| WO 3/ weight % | 18.4 | 22.0 | 15.3 | 15.3 | 29.9 | 16.4 |
Embodiment 5-8
Illustrate that the inventive method provides catalyst performance.
On the continuous-flow micro-reactor 4 of evaluate catalysts A, B, C and D, 6-dimethyl Dibenzothiophene hydrodesulfurization activity.At first under 300 ℃, catalyst was carried out presulfurization 3 hours, sulfurized oil is for containing the n-heptane solution of 5% (weight) carbon disulfide, feed reaction oil then, reaction oil is for containing 0.45% (weight) 4, the n-decane solution of 6-dimethyl Dibenzothiophene, reaction condition is: pressure 4.15MPa, 300 ℃ of temperature, air speed 80h
-1, hydrogen-oil ratio 1500: 1.Stable reaction is collected the condensed fluid sample after 3 hours, sample carries out chromatography, and calculates reaction rate according to following formula, and the results are shown in Table 2.
Comparative Examples 3-4
The reference catalyst performance is described.
According to embodiment 5 same procedure evaluate catalysts E and F, calculate reaction rate, the results are shown in Table 2.
Table 2
| Embodiment | 5 | 6 | 7 | 8 | Comparative Examples 3 | Comparative Examples 4 |
| Catalyst | A | B | C | D | E | F |
| Reaction rate/10 -3mol·min -1·g -1 | 1.30 | 1.28 | 1.24 | 1.45 | 1.19 | 0.77 |
| Relative activity | 109 | 107 | 104 | 122 | 100 | 65 |
The result that table 2 provides can illustrate, the hydrodesulfurization performance of the catalyst that is provided by the inventive method obviously is better than the catalyst that existing method provides.
Embodiment 9-10
Illustrate that the inventive method provides catalyst performance.
Evaluate catalysts A and D on the fixed bed High-pressure Hydrogenation Unit.
Feedstock oil character: subtract three-way shallow degree furfural refining oil, density is 0.8804 (20 ℃)/gml
-1, sulfur content is 1.04 weight %, nitrogen content is 60 μ gg
-1
Catalyst carries out conventional wet method sulfuration earlier in device, react 50 hours sample analysis afterwards.Hydroprocessing condition is: reaction pressure 12MPa, 350 ℃ of reaction temperatures, liquid hourly space velocity (LHSV) 1.0h
-1, hydrogen to oil volume ratio 600: 1.The results are shown in Table 3.
Comparative Examples 5
The reference catalyst performance is described.
According to embodiment 9 same procedure evaluate catalysts E, the results are shown in Table 3.
Table 3
| Embodiment | 9 | 10 | Comparative Examples 5 |
| Catalyst | A | D | E |
| Sulfur content/μ gg -1 | 9.6 | 7.3 | 26.0 |
| 100 ℃ of kinematic viscosity/mm 2·s -1 | 6.45 | 6.15 | 8.24 |
| 40 ℃ of kinematic viscosity/mm 2·s -1 | 40.27 | 36.12 | 58.43 |
| ＞370 ℃ of dewaxed oil viscosity index | 110 | 118 | 110 |
| ＞370 ℃ of distillation yield/weight % | 83.5 | 80.1 | 68.0 |
The result that table 3 provides can illustrate, the catalyst that is provided by the inventive method is when being used for the lubricating oil distillate hydrotreatment, and its performance obviously is better than reference catalyst.
Claims (11)
1, a kind of preparation method of hydrotreatment catalyst may further comprise the steps: 1) a kind of slurries that contain the hydration aluminium oxide of preparation; 2) the carbonato aqueous solution and the aqueous solution that contains the group VIII slaine are mixed with the slurries that step 1) obtains, mixture filtered also to mix with water again and pulls an oar into slurries at 20-150 ℃ of sinkingization 0.5-10 hour; 3) will contain the aqueous solution and step 2 of group vib slaine) slurries that obtain mix, and mixture is at 40-150 ℃ of sinkingization 8-24 hour, filters and in 100-200 ℃ of dry 1-6 hour; 4) the product moulding that step 3 is obtained, in 100-200 ℃ of dry 1-6 hour, 350-600 ℃ roasting 1-6 hour; The concentration of the described carbonato aqueous solution and consumption, making the mol ratio of the metal component of carbonate in the mixture and/or carbonate anion and group VIII is 0.3-3, in oxide, described concentration and the consumption that contains the aqueous solution of group VIII slaine and group vib slaine, the content that makes group VIII metal component in the final catalyst is 5-20 weight %, and the content of group vib metal component is 15-40 weight %.
2, method according to claim 1 is characterized in that, described step 2) heavyization temperature be 30-100 ℃, the heavyization time is 1-3 hour; The heavyization temperature of step 3) is 60-140 ℃, and the heavyization time is 10-24 hour.
3, method according to claim 1 is characterized in that, described hydrated alumina is selected from one or more in hibbsite, boehmite, boehmite and the amorphous hydroted alumina; Or in hibbsite, monohydrate alumina and the amorphous hydroted alumina of siliceous, titanium, magnesium, boron, zirconium, thorium, niobium, rare earth one or more.
4, method according to claim 3 is characterized in that, described hydrated alumina is a boehmite.
5, method according to claim 1 is characterized in that, described carbonate is selected from one or more in carbonic hydroammonium, ammonium carbonate, sodium acid carbonate, sodium carbonate, saleratus, the potash.
6, method according to claim 5 is characterized in that, described carbonate is ammonium carbonate and/or carbonic hydroammonium.
7, method according to claim 1 is characterized in that, described group VIII metal component is cobalt and/or nickel, and the group vib metal component is preferably molybdenum and/or tungsten.
8, method according to claim 7 is characterized in that, described group VIII metal component is a nickel, and the group vib metal component is molybdenum and tungsten.
9, method according to claim 1 is characterized in that, the concentration of the described carbonato aqueous solution and consumption, and making the mol ratio of the metal component of carbonate anion and group VIII in the described mixture is 0.5-2.
10, method according to claim 1, it is characterized in that, the concentration and the consumption of the aqueous solution of the slaine of described slaine that contains group VIII and group vib, the content that makes group VIII metal component in the final catalyst is 5-18 weight %, and the content of group vib metal component is 20-35 weight %.
11, a kind of hydrotreating catalyst, this catalyst contain aluminium oxide and are selected from the metal component of group VIII and group vib, it is characterized in that, described catalyst is according to any described method preparation among the claim 1-10.
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