CN110394197A - A kind of orderly grade porous aluminum oxide carrier and its preparation method and application - Google Patents
A kind of orderly grade porous aluminum oxide carrier and its preparation method and application Download PDFInfo
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- CN110394197A CN110394197A CN201910736492.3A CN201910736492A CN110394197A CN 110394197 A CN110394197 A CN 110394197A CN 201910736492 A CN201910736492 A CN 201910736492A CN 110394197 A CN110394197 A CN 110394197A
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
- B01J37/0018—Addition of a binding agent or of material, later completely removed among others as result of heat treatment, leaching or washing,(e.g. forming of pores; protective layer, desintegrating by heat)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
- B01J37/082—Decomposition and pyrolysis
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Abstract
The invention discloses a kind of orderly grade porous aluminum oxide carriers and its preparation method and application, belong to heavy-oil hydrogenation catalytic treatment technical field.The preparation method of the alumina support is the following steps are included: be first self-assembly of titania nanoparticle together with precipitant mix for soft template, aluminum soluble salt, binder；Then, hard mould agent is mixed with titania nanoparticle, carries out in-situ synthesized reaction, obtains secondary nanoassemble aluminium hydroxide；Then, after secondary nanoassemble aluminium hydroxide successively being washed and is dried, then calcination process is carried out, orderly grade porous aluminum oxide carrier can be obtained.The present invention is by using amphipathic nature block polymer as soft template, and mesoporous silicon material or meso-porous carbon material are introduced as hard mould agent, the controlledly synthesis of orderly grade porous aluminum oxide carrier may be implemented, its alumina support obtained, active metal can be enable to disperse in carrier inner height, so as to greatly improve hydrogenation catalyst effect.
Description
Technical field
Heavy-oil hydrogenation catalytic treatment technical field of the present invention, specifically a kind of orderly grade porous aluminum oxide carrier and its preparation
Methods and applications.
Background technique
The exploitation of fixed bed heavy-oil hydrogenation catalyst can provide opportunity for the development of heavy oil lighting.Existing fixed bed
Carrier of hydrogenating catalyst for heavy oil is mainly based on aluminium oxide, although can will a large amount of gold in oil product by the way of gradation
The impurity removals such as category, sulphur, nitrogen, but the duct feature of catalyst limits the timely removal of bigger molecule reactants and products, makes
A large amount of metals deposit in duct, cause catalyst coking, inactivation, bring poor product quality, operation cycle it is short (1-1.5, no
Can match with the catalyst cracking device period) and the problem of high production cost.Therefore, a kind of novel grade pore structure is developed,
And the orderly controllable catalysis material in duct, it makes it have plus the characteristics of the high activity and low molecule diffusional resistance of hydrogen, to realize
High activity, the high exploitation for holding impurity fixed bed heavy-oil hydrogenation catalyst, have important theory significance and application prospect.
Currently, the aluminium oxide of mesoporous concentration can be made using sol-gel method, but due to its be difficult to control Aluminum sol or
The plastic and hydrolysis rate of aluminium-alcohol salt precursor, and pore distribution can not be regulated and controled, and expensive raw material price, toxic reagent in synthesis
Also it is polluted to environment, therefore industrialized production difficult to realize.For heavy-oil hydrogenation catalyst, it is necessary to have provide big
The macroporous structure of molecule diffusion, meanwhile, synthesizing in skeleton could must be to add hydrogen anti-containing the higher order hole wall of crystallinity
High activity and stability should be provided.The alumina preparation method of the prior art includes following several: first, using soft/hard bimodulus
Plate method synthesizes the γ-Al of hierarchically mesoporous/macropore2O3Carrier；Second, being closed using isobutanol aluminum-triblock copolymer-ethanol system
At the order mesoporous aluminium oxide of six sides out；Third, being made using polyurethane foam plastics, monodispersed latex balloon and polystyrene bead
Orderly γ-the Al of two-dimentional six sides has been synthesized for artificial big hole on framework2O3Meso-hole structure；Fourth, with polymer microballoon Template synthesis
Three-dimensional ordered macroporous alumina/carbon composite.But the degree of order of these materials is not high, and macropore easily collapses in the reaction,
And required polymer template is with high costs, therefore is not all widely used.
Summary of the invention
The purpose of the present invention is to provide a kind of orderly grade porous aluminum oxide carriers and its preparation method and application, to solve
The problems mentioned above in the background art.
To achieve the above object, the embodiment of the present invention provides the following technical solutions:
A kind of preparation method of orderly grade porous aluminum oxide carrier, comprising the following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, by soft template, solubility
Aluminium salt, binder are self-assembly of titania nanoparticle together with precipitant mix；
(2) using mesoporous silicon material or meso-porous carbon material as hard mould agent, hard mould agent is mixed with titania nanoparticle, into
Row in-situ synthesized reaction obtains secondary nanoassemble aluminium hydroxide；The mass ratio of the hard mould agent and titania nanoparticle is
(0.5-2):10；The mesoporous silicon material is molecular sieve, and the meso-porous carbon material is the mixture of molybdenum carbide and the nickel that is carbonized；
(3) secondary nanoassemble aluminium hydroxide is successively washed and is dried；
(4) the secondary nanoassemble aluminium hydroxide after drying process is subjected to calcination process, obtains orderly grade hole oxygen
Change alumina supporter.
A kind of preferred embodiment provided in an embodiment of the present invention as mass fraction, will be with the following group in the step (1)
Divide and mix: soft template 10%-15%, aluminum soluble salt 40%-60%, binder 10%-40%, precipitating reagent
The mass fraction adduction of 10%-15%, each component are 100%.
Another kind preferred embodiment provided in an embodiment of the present invention, in the step (1), by soft template, soluble aluminum
Salt, binder are placed under the conditions of 80-120 DEG C of temperature together with precipitant mix, are self-assembly of titania nanoparticle.
Another kind preferred embodiment provided in an embodiment of the present invention, the aluminum soluble salt is ANN aluminium nitrate nonahydrate, described
Precipitating reagent be urea, the binder be boehmite.
Another kind preferred embodiment provided in an embodiment of the present invention, in the soft template, amphipathic nature block polymer with
The mass ratio 3:(3-6 of organic solvent).
Another kind preferred embodiment provided in an embodiment of the present invention, the amphipathic nature block polymer are polyisobutene Malaysia
Triethylenetetraminehexaacetic acid alkanolamine ester, the organic solvent are to subtract third fractional oil or lube base oil.
Another kind preferred embodiment provided in an embodiment of the present invention, the preparation method of the meso-porous carbon material includes following step
It is rapid: ammonium molybdate, nickelous carbonate and methenamine to be mixed, under inert gas atmosphere direct high temperature cabonization processing.
Another kind preferred embodiment provided in an embodiment of the present invention, the preparation method of the meso-porous carbon material includes following step
Rapid: roasting direct after ammonium molybdate, nickelous carbonate are mixed is subsequently placed in high containing carrying out under 10%-25% methane/hydrogen atmosphere
Warm carbonization treatment, then it is placed in 0.5%-2%O2It is passivated 4-6h under/Ar atmosphere, obtains meso-porous carbon material.
Another kind preferred embodiment provided in an embodiment of the present invention, in the step (4), the temperature of calcination process is 500-
600℃。
The embodiment of the invention also provides a kind of using orderly grade porous aluminum oxide carrier made from above-mentioned preparation method.
The embodiment of the invention also provides a kind of above-mentioned orderly grade porous aluminum oxide carriers in hydrogenation catalyst processing heavy oil
Application.
Compared with prior art, the beneficial effect of the embodiment of the present invention is:
(1) alumina support provided in an embodiment of the present invention, by using the copolymer surface-active of water-in-oil type
Agent --- amphipathic nature block polymer utilizes structure directing, skeleton filling, the charge balance etc. of soft template as soft template
Effect is self-assembly of titania nanoparticle with aluminium salt, can be carried out by the structure and number of amphipathic nature block polymer branch
The control accurate in grade duct, in addition, the embodiment of the present invention is also drawn using mesoporous silicon material or meso-porous carbon material as hard mould agent
In the design for entering orderly hole wall, so as to realize the controlledly synthesis of orderly grade porous aluminum oxide carrier.
(2) alumina support provided in an embodiment of the present invention has orderly grade pore structure, large specific surface area, hole
Rate is big, active metal can be enable to disperse in carrier inner height, so as to greatly improve hydrogenation catalyst effect.
Detailed description of the invention
Fig. 1 is the scanning electron microscope (SEM) photograph for the alumina support that embodiment 4 obtains.
Fig. 2 is the high-resolution-ration transmission electric-lens figure for the alumina support that embodiment 4 obtains.
Fig. 3 is the most probable pore size distribution map for the alumina support that embodiment 4 obtains.
Fig. 4 is the X of the secondary nanoassemble aluminium hydroxide and alumina support after the drying process that embodiment 4 obtains
(wherein, A is the X ray diffracting spectrum of the secondary nanoassemble aluminium hydroxide after being dried to x ray diffration pattern x, and B is oxidation
The X ray diffracting spectrum of alumina supporter).
The combination energy analysis graph of surface-element in the alumina support that Fig. 5 embodiment 4 obtains.
The combination energy analysis graph of surface-element in the alumina support that Fig. 6 embodiment 4 obtains.
The combination energy analysis graph of surface-element in the alumina support that Fig. 7 embodiment 4 obtains.
Specific embodiment
Below in conjunction with the embodiment of the present invention, technical scheme in the embodiment of the invention is clearly and completely described,
Obviously, the described embodiment is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the reality in the present invention
Example is applied, every other embodiment obtained by those of ordinary skill in the art without making creative efforts all belongs to
In the scope of protection of the invention.
Embodiment 1
This embodiment offers a kind of preparation methods of orderly grade porous aluminum oxide carrier comprising following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, the soft template of 100g is weighed
Agent, the aluminum soluble salt of 400g, 400g binder together with the precipitant mix of 100g, put into reaction kettle, stir
Uniformly, mixture is obtained, while the temperature of reaction kettle is risen to 80 DEG C, so that mixture is self-assembly of titania nanoparticle；Its
In, the aluminum soluble salt is ANN aluminium nitrate nonahydrate, and the precipitating reagent is urea, and the binder is to intend thin water aluminium
Stone；In the soft template, the mass ratio 3:3 of amphipathic nature block polymer and organic solvent, the amphipathic block is total to
Polymers is polyisobutene maleic acid triethanolamine ester, and the organic solvent is to subtract third fractional oil.
(2) using mesoporous silicon material as hard mould agent, the hard mould agent for weighing 50g is put into reaction kettle, with super solubilising
Micelle mixing, and the temperature of reaction kettle is maintained at 80 DEG C, in-situ synthesized reaction is carried out, secondary nanoassemble hydroxide is obtained
Aluminium；Wherein, the mesoporous silicon material is molecular sieve.
(3) washing process first is carried out with distilled water to secondary nanoassemble aluminium hydroxide, is then placed in 100 DEG C of temperature again
It is dried under degree.
(4) roasting 2h is carried out at a temperature of the secondary nanoassemble aluminium hydroxide after drying process being first placed in 200 DEG C
Afterwards, then at a temperature of being placed in 500 DEG C calcination process 4h is carried out, orderly grade porous aluminum oxide (γ-Al can be obtained2O3) carrier.
Orderly grade porous aluminum oxide carrier made from this method may serve as the carrier of fixed bed heavy-oil hydrogenation catalyst.
Embodiment 2
This embodiment offers a kind of preparation methods of orderly grade porous aluminum oxide carrier comprising following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, the soft template of 150g is weighed
Agent, the aluminum soluble salt of 600g, 100g binder together with the precipitant mix of 150g, put into reaction kettle, stir
Uniformly, mixture is obtained, while the temperature of reaction kettle is risen to 120 DEG C, so that mixture is self-assembly of titania nanoparticle；Its
In, the aluminum soluble salt is aluminum sulfate, and the precipitating reagent is ethylenediamine tetra-acetic acid, and the binder is to intend thin water aluminium
Stone；In the soft template, the mass ratio 3:6 of amphipathic nature block polymer and organic solvent, the amphipathic block is total to
Polymers is polyisobutene maleic acid triethanolamine ester, and the organic solvent is lube base oil.
(2) using meso-porous carbon material as hard mould agent, the hard mould agent for weighing 200g is put into reaction kettle, with super solubilising
Micelle mixing, and the temperature of reaction kettle is maintained at 120 DEG C, in-situ synthesized reaction is carried out, secondary nanoassemble hydrogen-oxygen is obtained
Change aluminium；Wherein, the meso-porous carbon material is the mixture of molybdenum carbide and the nickel that is carbonized；The preparation method packet of the meso-porous carbon material
It includes following steps: ammonium molybdate, nickelous carbonate and methenamine is mixed, under inert gas atmosphere at direct high temperature cabonization
Reason.
(3) washing process first is carried out with distilled water to secondary nanoassemble aluminium hydroxide, is then placed in 100 DEG C of temperature again
It is dried under degree.
(4) roasting 2h is carried out at a temperature of the secondary nanoassemble aluminium hydroxide after drying process being first placed in 200 DEG C
Afterwards, then at a temperature of being placed in 600 DEG C calcination process 4h is carried out, orderly grade porous aluminum oxide (γ-Al can be obtained2O3) carrier.
Orderly grade porous aluminum oxide carrier made from this method may serve as the carrier of fixed bed heavy-oil hydrogenation catalyst.
Embodiment 3
This embodiment offers a kind of preparation methods of orderly grade porous aluminum oxide carrier comprising following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, the soft template of 120g is weighed
Agent, the aluminum soluble salt of 500g, 260g binder together with the precipitant mix of 120g, put into reaction kettle, stir
Uniformly, mixture is obtained, while the temperature of reaction kettle is risen to 100 DEG C, so that mixture is self-assembly of titania nanoparticle；Its
In, the aluminum soluble salt is aluminium chloride, and the precipitating reagent is urea, and the binder is boehmite；It is described
Soft template in, the mass ratio 3:4 of amphipathic nature block polymer and organic solvent, the amphipathic nature block polymer is poly-
Isobutene maleic acid triethanolamine ester, the organic solvent are to subtract third fractional oil.
(2) using mesoporous silicon material as hard mould agent, the hard mould agent for weighing 100g is put into reaction kettle, with super solubilising
Micelle mixing, and the temperature of reaction kettle is maintained at 100 DEG C, in-situ synthesized reaction is carried out, secondary nanoassemble hydrogen-oxygen is obtained
Change aluminium；Wherein, the mesoporous silicon material is molecular sieve.
(3) washing process first is carried out with distilled water to secondary nanoassemble aluminium hydroxide, is then placed in 100 DEG C of temperature again
It is dried under degree.
(4) roasting 2h is carried out at a temperature of the secondary nanoassemble aluminium hydroxide after drying process being first placed in 200 DEG C
Afterwards, then at a temperature of being placed in 500 DEG C calcination process 4h is carried out, orderly grade porous aluminum oxide (γ-Al can be obtained2O3) carrier.
Orderly grade porous aluminum oxide carrier made from this method may serve as the carrier of fixed bed heavy-oil hydrogenation catalyst.
Embodiment 4
This embodiment offers a kind of preparation methods of orderly grade porous aluminum oxide carrier comprising following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, the soft template of 120g is weighed
Agent, the aluminum soluble salt of 500g, 260g binder together with the precipitant mix of 120g, put into reaction kettle, stir
Uniformly, mixture is obtained, while the temperature of reaction kettle is risen to 100 DEG C, so that mixture is self-assembly of titania nanoparticle；Its
In, the aluminum soluble salt is ANN aluminium nitrate nonahydrate, and the precipitating reagent is urea, and the binder is to intend thin water aluminium
Stone；In the soft template, the mass ratio 3:4 of amphipathic nature block polymer and organic solvent, the amphipathic block is total to
Polymers is polyisobutene maleic acid triethanolamine ester, and the organic solvent is to subtract third fractional oil.
(2) using meso-porous carbon material as hard mould agent, the hard mould agent for weighing 100g is put into reaction kettle, with super solubilising
Micelle mixing, and the temperature of reaction kettle is maintained at 100 DEG C, in-situ synthesized reaction is carried out, gel aluminum hydroxide is obtained；Wherein,
The meso-porous carbon material is the mixture of molybdenum carbide and the nickel that is carbonized；The preparation method of the meso-porous carbon material includes following step
Rapid: roasting direct after ammonium molybdate, nickelous carbonate are mixed is subsequently placed in high containing carrying out under 10%-25% methane/hydrogen atmosphere
Warm carbonization treatment, then it is placed in 0.5%-2%O2It is passivated 4-6h under/Ar atmosphere, obtains meso-porous carbon material.
(3) washing process first is carried out with distilled water to secondary nanoassemble aluminium hydroxide, is then placed in 100 DEG C of temperature again
It is dried under degree.
(4) roasting 2h is carried out at a temperature of the secondary nanoassemble aluminium hydroxide after drying process being first placed in 200 DEG C
Afterwards, then at a temperature of being placed in 500 DEG C calcination process 4h is carried out, orderly grade porous aluminum oxide (γ-Al can be obtained2O3) carrier.It should
As shown in Fig. 1, Cong Tuzhong can be clearly seen that the scanning electron microscope (SEM) photograph (SEM) for the orderly grade porous aluminum oxide that embodiment obtains
The alumina support is club shaped structure, and has different grades of mesoporous and macroporous structure.In addition, the orderly grade porous aluminum oxide
The high-resolution-ration transmission electric-lens figure (HRTEM) of carrier is as described in attached drawing 2, the well-regulated hole of the alumina support as we can see from the figure
Road structure, and be intertwined, and have the presence of molybdenum carbide nanoparticle on the surfaces externally and internally of aluminium oxide.
It obtains alumina support that embodiment 4 obtains by above-mentioned and carries out each index test, Kong Rongwei according to relevant criterion
1.39mL/g, specific surface area 253m2/ g, average pore diameter 23nm, heap density are 0.64g/cm3, porosity 82%.
It obtains alumina support that embodiment 4 obtains and carries out orderly grade hole with mercury injection method detecting by above-mentioned, detection knot
Fruit is as shown in Fig. 3, as can be seen from the figure compares collection at 5.26nm, 7.38nm and 32.85nm for alumina support aperture
In distribution, wherein 32.85nm be most can be aperture.
By the above-mentioned secondary nanoassemble aluminium hydroxide obtained after step (3) is dried in embodiment 4 and most
It obtains alumina support eventually to be detected with X-ray diffractometer, testing result is as shown in Fig. 4, wherein A is at dry
The X ray diffracting spectrum of gel aluminum hydroxide after reason, B are the X ray diffracting spectrum of alumina support.
Can see from the curve A in Fig. 1, it is dry after secondary nanoassemble aluminium hydroxide in there are AlO (OH),
AlOOH and (NH4)Al6(CO3)3(OH)14·xH2Tri- kinds of γ-Al of O2O3Precursor characteristic diffraction peak.
In addition, curve B shows after by secondary nanoassemble Aluminium hydroxide roasting, 2 θ=37.5 °, 45.7 ° and
At 66.6 °, hence it is evident that produce γ-Al2O3(311), (200) and (220) 3 crystal faces characteristic diffraction peak (PDF#75-
0921), illustrate nanoassemble γ-Al2O3It has been formed.
Energy (XPS) analysis, analysis are combined to the above-mentioned surface-element for obtaining the alumina support that embodiment 4 obtains
For curve graph as shown in attached drawing 5-7, there is disclosed the valence distributions of orderly grade porous aluminum oxide surface Mo, C, O, and may determine that
The existence form of molybdenum carbide on the alumina support.
In addition, alumina support that embodiment 4 obtains is obtained as the carrier of fixed bed heavy-oil hydrogenation catalyst using above-mentioned,
The hydrogenation catalyst is used for the hydrotreating of poor quality catalytic cracking diesel, wherein the density of poor quality catalytic cracking diesel
0.9375g/cm3, the content of sulphur, nitrogen and aromatic hydrocarbons is respectively 12400 μ g/g, 1507 μ g/g and 83.2%, end point temperature
It is 373 DEG C.In addition, the technique of hydrotreating is as follows: 360 DEG C of reaction temperature, the pressure of hydrogen of hydrotreating are 7MPa, hydrogen is oily
Volume ratio be 600:1, hydrogen volume air speed is 1.5h-1, every 8h sampling analysis, coreaction 104h, to reaction front and back sample
Sulphur, nitrogen and arene content are measured, and calculate removal efficiency.According to above-mentioned hydroprocessing technique, the oxidation obtained using embodiment 4
The catalyst that alumina supporter and nickel, molybdenum form carries out hydrogenation catalyst processing, the removal efficiency of sulphur to above-mentioned poor quality catalytic cracking diesel
It is 94.84%, the removal efficiency of nitrogen is 97.35%, and the removal efficiency of aromatic hydrocarbons is 71.6%.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. a kind of preparation method of orderly grade porous aluminum oxide carrier, which comprises the following steps:
(1) using the mixture of amphipathic nature block polymer and organic solvent as soft template, by soft template, soluble aluminum
Salt, binder are self-assembly of titania nanoparticle together with precipitant mix；
(2) using mesoporous silicon material or meso-porous carbon material as hard mould agent, hard mould agent is mixed with titania nanoparticle, is carried out former
Position synthetic reaction, obtains secondary nanoassemble aluminium hydroxide；The mass ratio of the hard mould agent and titania nanoparticle is (0.5-
2):10；The mesoporous silicon material is molecular sieve, and the meso-porous carbon material is molybdenum carbide and carbonization nickel；
(3) secondary nanoassemble aluminium hydroxide is successively washed and is dried；
(4) the secondary nanoassemble aluminium hydroxide after drying process is subjected to calcination process, obtains orderly grade porous aluminum oxide
Carrier.
2. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 1, which is characterized in that described
In step (1), as mass fraction, following components is mixed: soft template 10%-15%, aluminum soluble salt 40%-
60%, the mass fraction adduction of binder 10%-40%, precipitating reagent 10%-15%, each component are 100%.
3. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 2, which is characterized in that described
In step (1), by soft template, aluminum soluble salt, binder together with precipitant mix, it is placed in 80-120 DEG C of temperature
Under the conditions of, it is self-assembly of titania nanoparticle.
4. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 2, which is characterized in that described
Aluminum soluble salt is one of aluminum nitrate, aluminum sulfate and aluminium chloride, and the precipitating reagent is urea or ethylenediamine tetra-acetic acid two
Sodium, the binder are boehmite.
5. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 2, which is characterized in that described
In soft template, the mass ratio 3:(3-6 of amphipathic nature block polymer and organic solvent).
6. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 5, which is characterized in that described
Amphipathic nature block polymer is polyisobutene maleic acid triethanolamine ester, and the organic solvent is to subtract third fractional oil or lubrication oil base
Plinth oil.
7. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 1, which is characterized in that given an account of
The preparation method of hole carbon material is the following steps are included: ammonium molybdate, nickelous carbonate and methenamine are mixed, in inert gas
Direct high temperature cabonization processing under atmosphere.
8. a kind of preparation method of orderly grade porous aluminum oxide carrier according to claim 1, which is characterized in that given an account of
The preparation method of hole carbon material the following steps are included: roasting direct after ammonium molybdate, nickelous carbonate are mixed, be subsequently placed in containing
High temperature cabonization processing is carried out under 10%-25% methane/hydrogen atmosphere, then is placed in 0.5%-2%O24- is passivated under/Ar atmosphere
6h obtains meso-porous carbon material.
9. a kind of grade porous aluminum oxide carrier orderly as made from preparation method according to any one of claims 1 to 8.
10. a kind of application of orderly grade porous aluminum oxide carrier as claimed in claim 9 in hydrogenation catalyst processing heavy oil.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113265676A (en) * | 2021-04-26 | 2021-08-17 | 新疆大学 | High-specific-surface-area iron molybdate catalyst for electrochemically synthesizing ammonia and preparation method and application thereof |
| CN113842935A (en) * | 2021-09-25 | 2021-12-28 | 大连理工大学 | Preparation method and application of carbide modified Ni-based ordered mesoporous silicon catalytic material |
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