CN104971692B - A kind of aluminum oxide article shaped containing anionic surfactant and its preparation and application - Google Patents

A kind of aluminum oxide article shaped containing anionic surfactant and its preparation and application Download PDF

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CN104971692B
CN104971692B CN201410139143.0A CN201410139143A CN104971692B CN 104971692 B CN104971692 B CN 104971692B CN 201410139143 A CN201410139143 A CN 201410139143A CN 104971692 B CN104971692 B CN 104971692B
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article shaped
hours
anionic surfactant
mass fraction
grams
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CN104971692A (en
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李会峰
李明丰
褚阳
刘锋
夏国富
王奎
习远兵
聂红
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Sinopec Research Institute of Petroleum Processing
China Petroleum and Chemical Corp
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Abstract

A kind of aluminum oxide article shaped containing anionic surfactant and its preparation and application, the aluminum oxide article shaped contains anionic surfactant, on the basis of the article shaped, and the mass fraction of the anion surfactant is 0.1% 10%.The article shaped can be applied to adsorbent and catalyst carrier.

Description

A kind of aluminum oxide article shaped containing anionic surfactant and its prepare and Using
Technical field
The present invention relates to aluminum oxide and its preparation and application.
Background technology
Aluminum oxide with porous property(Also referred to as activated alumina), because it has higher specific surface area and pore volume, It is often used as adsorbent and matrix is used as catalyst carrier.For example, in PETROLEUM PROCESSING field, aluminum oxide is often used as hydrogenation The carrier of class catalyst is used.
The content of the invention
, should the technical problem to be solved in the present invention is to provide a kind of aluminum oxide article shaped containing anionic surfactant The preparation method and applications of article shaped.
1. a kind of aluminum oxide article shaped containing anionic surfactant, the aluminum oxide article shaped contains anion Type surfactant, on the basis of the article shaped, the mass fraction of the anionic surfactant is 0.1%-10%.
2. the article shaped according to 1, it is characterised in that on the basis of the article shaped, the anionic surface is lived Property agent mass fraction be 0.3%-5%.
3. the article shaped according to 1, it is characterised in that the anionic surfactant is selected from carboxylate, sulfuric acid One or more in ester salt, sulfonate and phosphate ester salt.
4. the article shaped according to 3, it is characterised in that the anionic surfactant is selected from carboxylate, for example, Ammonium oleate, enuatrol, ammonium stearate, odium stearate, neopelex.
5. the article shaped according to 1, it is characterised in that contain in the article shaped and be selected from silica, titanium oxide, oxidation One or more of adjuvant components in magnesium, zirconium oxide, thorium oxide, beryllium oxide, on the basis of the article shaped, the adjuvant component Mass fraction be less than 10%.
6. the article shaped according to 5, it is characterised in that on the basis of the article shaped, the quality of the adjuvant component Fraction is 0.3%-5%.
7. the article shaped according to 1 or 5, it is characterised in that contain clay and/or molecular sieve in the article shaped, with On the basis of the article shaped, the mass fraction of the clay and/or molecular sieve is less than 35%.
8. the article shaped according to 7, it is characterised in that on the basis of the article shaped, the clay and/or molecular sieve Mass fraction be 1%-20%.
9. a kind of preparation method of the aluminum oxide article shaped containing anionic surfactant, is included in the oxidation Anionic surfactant is introduced in aluminium article shaped, on the basis of the article shaped, the anionic surfactant Introduction volume makes the anionic surfactant mass fraction in the article shaped be 0.1%-10%.
10. the method according to 9, it is characterised in that on the basis of the article shaped, the anionic surface activity The introduction volume of agent makes the mass fraction of the anionic surfactant in the article shaped be 0.3%-5%.
11. the method according to 9, it is characterised in that the anionic surfactant is selected from carboxylate, sulfuric ester Salt, sulfonate and phosphate ester salt.
12. the method according to 11, it is characterised in that the anionic surfactant is selected from carboxylate, for example, Ammonium oleate, enuatrol, ammonium stearate, odium stearate, neopelex.
13. the method according to 9, it is characterised in that be included in introducing in the article shaped in the process and be selected from The step of one or more of adjuvant components in silica, titanium oxide, magnesia, zirconium oxide, thorium oxide, beryllium oxide, with described On the basis of article shaped, the introduction volume of the adjuvant component makes the mass fraction of adjuvant component in the article shaped be less than 10%.
14. the method according to 13, it is characterised in that on the basis of the article shaped, the quality of the adjuvant component Fraction is 0.3%-5%.
15. the method according to 9 or 13, it is characterised in that contain clay and/or molecular sieve in the article shaped, with On the basis of the article shaped, the mass fraction of the clay and/or molecular sieve is less than 35%.
16. the method according to 15, it is characterised in that on the basis of the article shaped, the clay and/or molecular sieve Mass fraction be 1%-20%.
17. the method according to 9, it is characterised in that introduce anionic surface in the aluminum oxide article shaped and live The method of property agent, including:(1)The aluminum oxide article shaped, the dipping are impregnated with the solution containing anionic surfactant The ratio between pore volume of the volume of liquid and the article shaped is 0.5-20;(2)Obtained mixture will be impregnated in closed reactor Be heat-treated, heat treatment temperature be room temperature to 250 DEG C, the time is -48 hours 0.5 hour;(3)Drying steps(2)Product, The drying condition includes:Temperature is 40 DEG C -250 DEG C, and the time is -24 hours 1 hour.
18. the method according to 17, it is characterised in that step(1)Described in maceration extract volume and the article shaped The ratio between pore volume be 1-15;Step(2)Described in heat treatment temperature be 60 DEG C to 220 DEG C, the time be -36 hours 1 hour, step Suddenly(3)Drying condition include:Temperature is 100 DEG C -180 DEG C, and the time is -18 hours 2 hours.
19. according to application of any one of 1-8 article shapeds as adsorbent.
20. according to application of any one of 1-8 article shapeds as catalyst carrier.
In the present invention, the aluminum oxide can be the one or more in γ, η, θ, δ and χ, preferably gamma oxidation Aluminium.The aluminum oxide has ratio surface and the pore volume of conventional alumina, and the ratio surface of preferential oxidation aluminium is 150-350 meters2/ Gram, more preferably 180-320 meters2/ gram, preferably the pore volume of aluminum oxide is 0.4-1.1 mls/g, more preferably 0.5-0.9 mls/g.They can be that commercially available commodity can also be prepared by any one method in the prior art.For example, can be with It is through shaping by one or more of mixtures in hibbsite, monohydrate alumina and amorphous hydroted alumina And be made after being calcined.
The shaping of the aluminum oxide is carried out using customary way, such as tabletting, spin, extrusion method.Using When customary way is molded, to ensure that what is be molded is smoothed out to foregoing material to be formed(For example, hibbsite, one One or more of mixtures in hydrated alumina and amorphous hydroted alumina)Middle introducing auxiliary agent is allowed, such as when crowded During bar, appropriate extrusion aid and water can be introduced into foregoing material to be formed, extrusion molding afterwards.The species of the extrusion aid And consumption may each be that this area is conventional, such as common extrusion aid can be selected from sesbania powder, methylcellulose, starch, poly- One or more in vinyl alcohol, PVOH.
In one preferred embodiment, boehmite and/or vacation of the aluminum oxide article shaped for a kind of modification The gama-alumina that boehmite is obtained after shaping, roasting.
The method of the modified boehmite and/or false boehmite includes:(1)By at least one alumina hydration Thing is calcined, and the roasting condition includes:Temperature is 300 DEG C -950 DEG C, and the time is -24 hours 0.5 hour;(2)By step(1) The product of roasting arrived is mixed with least one boehmite and/or false boehmite and water, obtains a kind of mixture; (3)By step(2)Obtained mixture carries out hydro-thermal process in closed reactor, and hydrothermal conditions include:Temperature is 60 DEG C -250 DEG C, the time is -48 hours 0.5 hour;(4)By step(3)Obtained product is dried, and obtains modified boehmite And/or false boehmite.
Wherein, the step preferably(1)Roasting condition include:Temperature is 300-750 DEG C, and the time is 1-24 hours. The further preferred step(1)Roasting condition include:Temperature is 350-650 DEG C, and the time is 2-10 hours.
It is preferred that the step(2)By step(1)Obtained product of roasting and at least one boehmite or a false water are soft In the mixture that aluminium stone and water are mixed to get, solid content in mass is 1%-80%, wherein, the product of roasting with The mass ratio of the boehmite of butt meter or false boehmite is 0.1-20.The further preferred step(2)By step (1)In the mixture that obtained product of roasting is mixed to get with least one boehmite or false boehmite and water, Solid content in mass is 5%-70%, wherein, the product of roasting and the boehmite or the false soft aluminium of a water in terms of butt The mass ratio of stone is 0.2-12.
When the water content in described mixture is enough to make the mixture be slurries(For example, solid content in mass For less than 35%)When, in the step(4)Drying before preferably include filtering the step of.
It is preferred that the step(3)Hydrothermal conditions include:Temperature is 60 DEG C and is extremely less than 140 DEG C, and the time is 0.5- 48 hours.The further preferred step(3)Hydrothermal conditions include:Temperature is 80-120 DEG C, and the time is that 4-24 is small When.Either, the step preferably(3)Hydrothermal conditions include:Temperature is to being less than or equal to more than or equal to 140 DEG C 250 DEG C, the time is 0.5-48 hours;The further preferred step(3)Hydrothermal conditions include:Temperature is 150- 220 DEG C, the time is 4-24 hours.
It is preferred that the step(4) drying temperature is 60 DEG C -180 DEG C, and drying time is -24 hours 0.5 hour.Further It is preferred that the step(4) drying temperature is 80 DEG C -150 DEG C, and drying time is -12 hours 1 hour.
In the present invention, the hydrated alumina is in hibbsite, false boehmite, boehmite It is one or more of.
Wherein, the hibbsite includes gibbsite(α-Al2O3·3H2O), surge aluminium stone(β1-Al2O3·3H2O) With promise diaspore(β2-Al2O3·3H2O).
The false boehmite is also known as boehmite, with X-ray diffraction characterize, be one kind at 14.5 ° ± 0.5 °(2 θ)There is wide and disperse(020)The hydrated alumina of crystallographic plane diffraction peak.
The boehmite is also known as boehmite, with X-ray diffraction characterize, be one kind at 14.5 ° ± 0.5 °(2θ)Go out It is now most strong, narrow and sharp(020)The hydrated alumina of crystallographic plane diffraction peak(Boehmite at 45.8 °, 51.6 ° and 55.2 ° correspond to respectively(131)、(220)With(151)Diffraction maximum not available for the false boehmite of crystal face).
Inventors of the present invention have surprisingly found that, boehmite and/or false boehmite are passed through with one or more of 300 DEG C of -950 DEG C of roastings(Heat treatment)0.5-24 hours, preferably it is calcined through 300 DEG C -750 DEG C(Heat treatment)1-24 hours, enter one Step is preferably calcined through 350 DEG C -650 DEG C(Heat treatment)The hydrated alumina and water of 2-10 hours is mixed to get a kind of mixing Thing, and by the mixture in closed container in 60 DEG C of -250 DEG C of hydro-thermal process 0.5-48 hours, be preferable over 80-220 DEG C of hydro-thermal The relative crystallinity raising of processing 4-24 hours, thus modified obtained boehmite and/or false boehmite, and thus Fired obtained aluminum oxide maintains higher specific surface area and pore volume.
In the present invention, when it is more than 140 DEG C to control hydro-thermal process temperature, gained modified product is boehmite;Control When hydro-thermal process temperature processed is less than 140 DEG C, crystalline phase and the initiation material of products therefrom are consistent.
In a detailed embodiment, the step for preferably making the crystalline phase of the modified product consistent with initiation material Suddenly(3)Hydrothermal conditions include:Temperature is 60 DEG C and is extremely less than 140 DEG C, and the time is 0.5-48 hours;Further preferred institute State step(3)Hydrothermal conditions include:Temperature is 80-120 DEG C, and the time is 1-24 hours.
In another embodiment, the step that the modified product is boehmite is preferably made(3) Hydrothermal conditions include:Temperature is that the time is 0.5-48 hours more than or equal to 140 DEG C to being less than or equal to 250 DEG C;Further It is preferred that the step(3)Hydrothermal conditions include:Temperature is 150-220 DEG C, and the time is 4-24 hours.
In the present invention, the boehmite, false boehmite and gibbsite can be commercially available commodity, can also It is to be prepared using arbitrary prior art, this is not particularly limited.
It is being enough the hydrated alumina in 300 DEG C of -950 DEG C of roastings(Heat treatment)1-24 hours, preferably through 300 DEG C of -750 DEG C roastings(Heat treatment)1-24 hours, further preferably it is calcined through 350 DEG C -650 DEG C(Heat treatment)The bar of 2-10 hours Under part, the present invention is to step(1)Described method of roasting is not particularly limited.For example, it may be by the hydrated alumina It is calcined in usual baking oven or roaster under air atmosphere or in the baking oven or roaster of vacuum-pumping Under vacuum or be passed through under inert gas conditions carry out.When the roasting is passed through inert gas, the inert gas can To be the arbitrary not oxygen-containing gas for being enough to gasify under the roasting condition, for example can be selected from nitrogen, argon gas, helium, One or more in carbon dioxide and water vapour.
Butt in the present invention refers to:A certain amount of hydrated alumina in air atmosphere in Muffle furnace with 4 DEG C/ Minute heating rate be raised to 600 DEG C, then in 600 DEG C of constant temperature 4 hours, the weight of product and the oxidation before roasting after roasting The percentage of the weight ratio of aluminium hydrate, the weight of the preceding hydrated alumina of weight ÷ roastings of product after butt=roasting Amount × 100%.
In the present invention, the closed reactor can be the reactor of the arbitrarily achievable hydro-thermal reaction, for example, Autoclave etc., the reaction can be carried out under static conditions, also be carried out under stirring, preferably under stirring Carry out hydro-thermal process.
In the present invention, the anion surfactant is that can generate hydrophobicity anion chemical combination after a class is dissociated in water Thing.For example, the one or more in carboxylate, sulfuric acid, sulfonate and phosphate ester salt.Carboxylate preferably wherein, for example, Ammonium oleate, enuatrol, ammonium stearate, odium stearate, neopelex etc..
It is being enough to make to contain 0.1%-10% in the article shaped, preferably before 0.3%-5% anion surfactant Put, the method that the present invention is introduced to it is not limited.
In a specific embodiment, the side of anionic surfactant is introduced in the aluminum oxide article shaped Method, including:(1)The aluminum oxide article shaped, the volume of the maceration extract are impregnated with the solution containing anionic surfactant It is 0.5-20, preferably 1-15 with the ratio between the pore volume of the article shaped;(2)Obtained mixture will be impregnated in closed reactor It is middle to be heat-treated, heat treatment temperature be room temperature to 250 DEG C, preferably 60 DEG C to 220 DEG C, the time be -48 hours 0.5 hour, Preferably -36 hours 1 hour;(3)Drying steps(2)Product, the drying condition includes:Temperature is 40 DEG C -250 DEG C, excellent Elect 100 DEG C -180 DEG C as, the time is -24 hours 1 hour, preferably -18 hours 2 hours.
In the present invention, the room temperature can be the indoor temperature in each interior season throughout the year, generally 5-40 DEG C.
In the present invention, the solvent of the maceration extract can be that can dissolve the various molten of the anion surfactant Agent, preferably water, ammoniacal liquor, ethanol.
On the premise of being enough to make the content satisfaction requirement of anion surfactant in the final article shaped, the present invention Content and dipping time to the anion surfactant in maceration extract are not particularly limited.In specific implementation, preferably Rate-determining steps(1)Described in anion surfactant in maceration extract with the weight ratio of aluminum oxide article shaped be 0.01- 10:100, more preferably 0.1-8:100, more preferably 0.3-5:100.
In the case where being enough to ensure that the heat treatment is carried out under air tight condition, the present invention does not have to the closed reactor There are special limitation, common such as autoclave high-pressure reactor.
In the present invention, it is introduced into the aluminum oxide article shaped in the method for anion surfactant, step(3)Dry Purpose be to remove the solvent in impregnation product, on the premise of being enough to realize the purpose, the present invention is to the side of the drying Method is not limited, for example, can be the method or vacuum drying method of heat drying.
In the present invention, the aluminum oxide, which can contain, is selected from silica, titanium oxide, magnesia, zirconium oxide, thorium oxide, oxygen Change one or more of adjuvant components in beryllium, on the basis of the total amount of the article shaped, the mass fraction of the adjuvant component is Less than 10%, it is preferably 0.3%-5%.
When in the article shaped containing in silica, titanium oxide, magnesia, zirconium oxide, thorium oxide, beryllium oxide one Kind or during several adjuvant components, the preparation process of the article shaped include introducing be selected from silica, titanium oxide, magnesia, The step of one or more of adjuvant components in zirconium oxide, thorium oxide, beryllium oxide, the method for the introducing adjuvant component is conventional Method.For example, it may be by containing one kind in silica, titanium oxide, magnesia, zirconium oxide, thorium oxide, beryllium oxide or several Plant one or more of mixtures warps in hibbsite, monohydrate alumina and the amorphous hydroted alumina of adjuvant component It is made after being molded and being calcined.Can also aluminum oxide and/or its precursor will be mixed with the compound containing adjuvant component, afterwards Obtained through shaping, drying and roasting.
In the present invention, clay and/or molecular sieve can be contained in the article shaped, using the total amount of the article shaped as base Standard, the mass fraction of the clay and/or molecular sieve is less than 35%, preferably 1%-20%.
When containing clay and/or molecular sieve in the article shaped, include introducing in the preparation process of the article shaped The step of clay and/or molecular sieve, the method thing conventional method of the introducing clay and/or molecular sieve.For example, by the clay And/or molecular sieve and the one or more in hibbsite, monohydrate alumina and amorphous hydroted alumina Mixture after shaping and roasting be made.
In the present invention, the clay can selected from kaolin, halloysite, montmorillonite, diatomite, galapectite, saponite, One or more in rectorite, sepiolite, attapulgite, hydrotalcite and bentonite.The molecular sieve can be zeolite molecules Sieve and/or non-zeolite molecular sieve.The zeolite molecular sieve can for erionite, ZSM-34 zeolite, modenite, ZSM-5 zeolite, ZSM-11 zeolites, ZSM-22 zeolites, ZSM-23 zeolites, ZSM-35 zeolites, zeolite L, y-type zeolite, X-type zeolite, ZSM-3 molecules Sieve, ZSM-4 molecular sieves, ZSM-18 molecular sieves, ZSM-20 molecular sieves, ZSM-48 zeolites, ZSM-57 zeolites, faujasite, Beta One or more in zeolite and omega zeolite.The non-zeolite molecular sieve can be phosphate aluminium molecular sieve, HTS and phosphoric acid Sial(That is, SAPO)One or more in molecular sieve.According to the present invention, the molecular sieve is preferably hydrogen type molecular sieve.It is described Hydrogen type molecular sieve can be with commercially available, it would however also be possible to employ prepared by conventional method.For example, can be conventional by sodium form molecular sieve Ammonium ion exchange process carries out ion exchange and drying, forms ammonium type molecular sieve, then fired formation hydrogen type molecular sieve.
Usually, the aluminum oxide article shaped containing anion surfactant that the present invention is provided can be as adsorbent or catalysis Agent carrier is used.Further study showed that, the aluminum oxide article shaped containing anion surfactant that the present invention is provided especially is fitted Cooperate to be used to prepare loaded catalyst for carrier, such as hydrogenation catalyst.
For example, prepared by the aluminum oxide article shaped containing anion surfactant and conventional method that are provided respectively with the present invention Carrier prepare tenor 2.4%NiO and 12%MoO3Catalyst C and DC(Reference agent).For example, with containing 4,6- dimethyl Thiophene(4,6-DMDBT)The mixed solution of 0.59 weight % n-decane is raw material, the catalyst provided the present invention and contrast Catalyst carries out hydrodesulfurization activity comparative evaluation, using comparative catalyst DC activity as 100, then the present invention provides catalyst C Hydrodesulfurization activity up to 111.As a result show, compared with prior art provides catalyst prepared by carrier, carried by the present invention The hydrodesulfurization activity for preparing catalyst for carrier is significantly improved.
Embodiment
The present invention will be further illustrated in following example, but not thereby limiting the invention.
Rigaku electric machine industry Co., Ltd. 3271E type Xray fluorescence spectrometers are used in following examples, to catalysis The content of each element carries out analysis measure in agent.
Wherein, the measure reference of sample crystalline phase, relative crystallinity and mean grain size《Solid catalyst Practical Research side Method》(Liu Weiqiao, Sun Gui are big to be compiled, Sinopec publishing house, 2000,57-89)With《Petrochemical Engineering Analysis method(RIPP experiment sides Method)》(Yang Cuiding, Gu Kanying, Wu Wenhui are compiled, Science Press, 1990,394-405)In X-ray diffraction method carry out.
Embodiment 1-10 illustrate the method for modifying of the modification boehmite that uses of the present invention and/or false boehmite with And aluminum oxide prepared by modifier therefrom.
The hydrated alumina used in experiment is:
CL-A powder(False boehmite powder), it is 100%, grain size 2.9nm, the weight of butt 70 with respect to relative crystallinity % is measured, purchased from sinopec Chang Ling catalyst branch company.
CL-B powder(Boehmite), it is 100%, grain size 5.2nm, the weight % of butt 78, purchase with respect to relative crystallinity From sinopec Chang Ling catalyst branch company).
CL-C powder(Gibbsite(α-Al2O3·3H2O)), it is 100%, grain size 156nm with respect to relative crystallinity, does The weight % of base 65, purchased from sinopec Chang Ling catalyst branch company.
Wherein, 10000 grams of CL-A powder are weighed, banded extruder is used(Manufacturer:South China Science & Engineering University's science and technology industry head factory, type Number:F-26(Ⅲ))It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.After wet bar is dried 4 hours through 120 DEG C, in air Under atmosphere in Muffle furnace 600 DEG C of constant temperature 4 hours, obtain alumina support CL-A-Al2O3.Characterized by X-ray diffraction method Its crystalline phase, crystallinity and grain size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, knot Fruit is listed in Table 2 below.
10000 grams of CL-B powder are weighed, banded extruder is used(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F- 26(Ⅲ))It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.After wet bar is dried 4 hours through 120 DEG C, in air atmosphere Under in Muffle furnace 600 DEG C of constant temperature 4 hours, obtain alumina support CL-B-Al2O3.It is characterized by X-ray diffraction method brilliant Phase, crystallinity and grain size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, as a result arranges In table 2.
According to the step in the method provided by the present invention(1)Obtained product of roasting is:
CL-A-600:10000 grams of CL-A powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating rate liter CL-A-600 is obtained to 600 DEG C, and in 600 DEG C of constant temperature within 4 hours.
CL-A-450:10000 grams of CL-A powder are weighed in air atmosphere in Muffle furnace with 3 DEG C/min of heating rate liter CL-A-450 is obtained to 450 DEG C, and in 450 DEG C of constant temperature within 4 hours.
CL-A-400:10000 grams of CL-A powder are weighed in a nitrogen atmosphere in Muffle furnace with 5 DEG C/min of heating rate liter CL-A-400 is obtained to 400 DEG C, and in 400 DEG C of constant temperature within 4 hours.
CL-A-350:10000 grams of CL-A powder are weighed to be raised to 3 DEG C/min of heating rate in baking oven in a nitrogen atmosphere 350 DEG C, and obtain CL-A-350 within 4 hours in 350 DEG C of constant temperature.
CL-B-600:10000 grams of CL-B powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating rate liter CL-B-600 is obtained to 600 DEG C, and in 600 DEG C of constant temperature within 4 hours.
CL-B-450:10000 grams of CL-B powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating rate liter CL-B-450 is obtained to 450 DEG C, and in 450 DEG C of constant temperature within 4 hours.
CL-B-400:10000 grams of CL-B powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating rate liter CL-B-400 is obtained to 400 DEG C, and in 400 DEG C of constant temperature within 4 hours.
CL-B-350:10000 grams of CL-B powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating rate liter CL-B-350 is obtained to 350 DEG C, and in 350 DEG C of constant temperature within 4 hours.
CL-C-600:10000 grams of gibbsite-powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating speed Rate is raised to 600 DEG C, and obtains CL-C-600 within 4 hours in 600 DEG C of constant temperature.
CL-C-450:10000 grams of gibbsite-powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating speed Rate is raised to 450 DEG C, and obtains CL-C-450 within 6 hours in 450 DEG C of constant temperature.
CL-C-400:10000 grams of gibbsite-powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating speed Rate is raised to 400 DEG C, and obtains CL-C-400 within 6 hours in 400 DEG C of constant temperature.
CL-C-350:10000 grams of gibbsite-powder are weighed in air atmosphere in Muffle furnace with 4 DEG C/min of heating speed Rate is raised to 350 DEG C, and obtains CL-C-350 within 6 hours in 350 DEG C of constant temperature.
Embodiment 1
120 grams of 350 grams of CL-A powder, the CL-A-600 powder in terms of butt is weighed respectively(CL-A-600 powder and the CL- in terms of butt The mass ratio of A powder is 0.34), they and 3600 grams of deionized waters are mixed into slurries;The slurries are transferred into band to stir The volume mixed in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C, and constant temperature 4 under agitation Hour;Afterwards, room temperature and after filtering is down to, filter cake is dried 8 hours in 120 DEG C, modified product Q-S1 is obtained.Pass through X-ray diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.
By Q-S1 banded extruders(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26(Ⅲ))It is extruded into outer Connect the cloverleaf pattern bar that circular diameter is 1.6 millimeters.After wet bar is dried 4 hours through 120 DEG C, in air atmosphere in Muffle furnace 600 DEG C of constant temperature 4 hours, obtains alumina support S1.Its crystalline phase, relative crystallinity and crystal grain are characterized by X-ray diffraction method Size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, and the results are shown in Table 2.
Embodiment 2
300 grams of 224 grams of CL-A powder, the CL-A-600 powder in terms of butt is weighed respectively(CL-A-600 powder with terms of butt The mass ratio of CL-A powder is 1.34), they and 3600 grams of deionized waters are mixed into slurries;The slurries are transferred to band The volume of stirring in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 hours;It is down to Room temperature and after filtering, filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina Q-S2 is obtained.Pass through X-ray Diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.
By Q-S2 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S2 in air atmosphere.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is determined Its specific surface area and pore volume, the results are shown in Table 2.
Embodiment 3
464 grams of 109 grams of CL-A powder, the CL-A-600 powder in terms of butt is weighed respectively(CL-A-600 powder with terms of butt The mass ratio of CL-A powder is 4.25), they and 3600 grams of deionized waters are mixed into slurries;The slurries are transferred to band The volume of stirring in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 hours;It is down to Room temperature and after filtering, filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina Q-S3 is obtained.Pass through X-ray Diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.
Formed alumina and its preparation that the present invention is provided:
By Q-S3 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S3 in air atmosphere.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is determined Its specific surface area and pore volume, the results are shown in Table 2.
Embodiment 4
150 grams of 100 grams of 84 grams of CL-A powder, CL-A-350 powder, CL-A-400 powder, the CL-A-450 in terms of butt are weighed respectively 250 grams of powder, 180 grams of CL-A-600 powder(The total amount and the mass ratio of the CL-A powder in terms of butt of the powder of CL-A-350~600 be 8.10), they and 3600 grams of deionized waters are mixed into slurries;It is 5 liters that the slurries are transferred into the volume with stirring In the autoclave of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 hours;Room temperature and after filtering is down to, will Filter cake is dried 8 hours in 120 DEG C, obtains modified hydrated alumina Q-S4.It is characterized by X-ray diffraction method brilliant Phase, relative crystallinity and grain size, the results are shown in Table 1.
By Q-S4 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S4 in air atmosphere.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is determined Its specific surface area and pore volume, the results are shown in Table 2.
Embodiment 5
200 grams of 100 grams of 140 grams of CL-A powder, CL-A-350 powder, CL-A-400 powder, the CL-A- in terms of butt are weighed respectively 450 300 grams of powder, 10 grams of CL-A-600 powder(The total amount and the mass ratio of the CL-A powder in terms of butt of the powder of CL-A-350~600 be 4.36), they and 3100 grams of deionized waters are mixed into slurries;It is 5 liters that the slurries are transferred into the volume with stirring In the autoclave of stainless steel band polytetrafluoro liner, it is closed after be heated to 60 DEG C of constant temperature 48 hours;Room temperature and after filtering is down to, will Filter cake is dried 8 hours in 120 DEG C, obtains modified hydrated alumina Q-S5.It is characterized by X-ray diffraction method brilliant Phase, relative crystallinity and grain size, the results are shown in Table 1.
By Q-S5 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S5 in air atmosphere.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is determined Its specific surface area and pore volume, the results are shown in Table 2.
Embodiment 6
100 grams of 200 grams of 70 grams of CL-A powder, CL-A-350 powder, CL-A-400 powder, the CL-A-450 in terms of butt are weighed respectively 400 grams of powder, 20 grams of CL-A-600 powder(The total amount and the mass ratio of the CL-A powder in terms of butt of the powder of CL-A-350~600 be 10.29), they and 3200 grams of deionized waters are mixed into slurries;It is 5 liters that the slurries are transferred into the volume with stirring In the autoclave of stainless steel band polytetrafluoro liner, it is closed after be heated to 100 DEG C of constant temperature 24 hours;Room temperature and after filtering is down to, Filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina Q-S6 is obtained.It is characterized by X-ray diffraction method Crystalline phase, relative crystallinity and grain size, the results are shown in Table 1.
By Q-S6 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S6 in air atmosphere.Pass through X-ray diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is surveyed Its fixed specific surface area and pore volume, the results are shown in Table 2.
Embodiment 7
60 grams of 14 grams of 70 grams of CL-A powder, CL-B powder, CL-A-350 powder, the CL-B-350 powder 20 in terms of butt are weighed respectively Gram, 20 grams of CL-C-350 powder, 100 grams of CL-A-400 powder, 30 grams of CL-B-400 powder, 20 grams of CL-C-400 powder, CL-A-450 powder 220 Gram, 20 grams of CL-B-450 powder, 10 grams of CL-C-450 powder, 150 grams of CL-A-600 powder, 22 grams of CL-B-600 powder, 8 grams of CL-C-600 powder (The total amount of the powder of CL-350~600 and the mass ratio for the CL powder counted using butt is 8.09), by them and 3600 grams of deionized waters It is mixed into slurries;The slurries are transferred in autoclave of the volume with stirring for 5 liters of stainless steel band polytetrafluoro liner, 160 DEG C of constant temperature is heated to after closed 4 hours;Room temperature and after filtering is down to, filter cake is dried 8 hours in 120 DEG C, obtained through changing The hydrated alumina Q-S7 of property.Its crystalline phase, relative crystallinity and grain size are characterized by X-ray diffraction method, as a result arranged In table 1.
By Q-S7 banded extruders(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26(Ⅲ))It is extruded into outer Connect the cloverleaf pattern bar that circular diameter is 1.6 millimeters.After wet bar is dried 4 hours through 120 DEG C, in air atmosphere in Muffle furnace 600 DEG C of constant temperature 4 hours, obtains alumina support S7.Its crystalline phase, relative crystallinity and crystal grain are characterized by X-ray diffraction method Size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, and the results are shown in Table 2.
Embodiment 8
60 grams of 14 grams of 70 grams of CL-A powder, CL-B powder, CL-A-350 powder, the CL-B-350 powder 20 in terms of butt are weighed respectively Gram, 20 grams of CL-C-350 powder, 100 grams of CL-A-400 powder, 30 grams of CL-B-400 powder, 20 grams of CL-C-400 powder, CL-A-450 powder 220 Gram, 20 grams of CL-B-450 powder, 10 grams of CL-C-450 powder, 150 grams of CL-A-600 powder, 22 grams of CL-B-600 powder, 8 grams of CL-C-600 powder (The total amount of the powder of CL-350~600 and the mass ratio for the CL powder counted using butt is 8.09), by them and 3600 grams of deionized waters It is mixed into slurries;The slurries are transferred in autoclave of the volume with stirring for 5 liters of stainless steel band polytetrafluoro liner, 160 DEG C of constant temperature is heated to after closed 4 hours.It is down to after room temperature, high pressure kettle cover is opened, adds 11.75 grams of ammonium dihydrogen phosphates, Room temperature continues to stir 24 hours, after filtering, filter cake is dried 8 hours in 120 DEG C, the modified oxygen containing auxiliary agent phosphorus is obtained Change aluminium hydrate Q-S8.Its crystalline phase, relative crystallinity and grain size are characterized by X-ray diffraction method, table 1 is as a result listed in In.
By Q-S8 banded extruders(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26(Ⅲ))It is extruded into outer Connect the cloverleaf pattern bar that circular diameter is 1.6 millimeters.After wet bar is dried 4 hours through 120 DEG C, in air atmosphere in Muffle furnace 600 DEG C of constant temperature 4 hours, obtains alumina support S8.Its crystalline phase, relative crystallinity and crystalline substance are characterized by X- Diffractions Grain size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, and the results are shown in Table 2.Using X The content of fluorescence spectrometry adjuvant component, the mass fraction for the phosphate builder counted using element is 0.41%.
Embodiment 9
300 grams of 224 grams of CL-A powder, the CL-A-600 powder in terms of butt is weighed respectively(CL-A-600 powder with terms of butt The mass ratio of CL-A powder is 1.34), they and 3600 grams of deionized waters are mixed into slurries;The slurries are transferred to band The volume of stirring in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 hours.It is down to After room temperature, high pressure kettle cover is opened, 84.51 grams of titanium sulfates are added, continues to stir 24 hours, then filters.By filter cake through 120 DEG C Dry 8 hours, obtain the modified hydrated alumina Q-S9 containing auxiliary agent titanium.It is characterized by X-ray diffraction method brilliant Phase, relative crystallinity and grain size, the results are shown in Table 1.
By Q-S9 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S9 in air atmosphere.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is determined Its specific surface area and pore volume, the results are shown in Table 2.The content of adjuvant component, the titanium in terms of element are determined using X-fluorescence method The mass fraction of auxiliary agent is 3.12%.
Embodiment 10
320 grams of 230 grams of CL-B powder, the CL-A-450 powder in terms of butt is weighed respectively(CL-A-600 powder and the CL- in terms of butt The mass ratio of B powder is 1.39), they and 3600 grams of deionized waters are mixed into slurries;The slurries are transferred into band to stir The volume mixed in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 200 DEG C, and constant temperature 4 under agitation Hour;Afterwards, room temperature and after filtering is down to, filter cake is dried 8 hours in 120 DEG C, modified product Q-S10 is obtained.It is logical Cross X-ray diffraction method and characterize its crystalline phase, relative crystallinity and grain size, the results are shown in Table 1.
By Q-S10 banded extruders(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26(Ⅲ))It is extruded into Circumscribed circle diameter is 1.6 millimeters of cloverleaf pattern bar.After wet bar is dried 4 hours through 120 DEG C, in air atmosphere in Muffle furnace 600 DEG C of constant temperature 4 hours, obtains alumina support S10.Its crystalline phase, relative crystallinity and crystalline substance are characterized by X-ray diffraction method Grain size, the results are shown in Table 1.Pass through N2Absorption/desorption determines its specific surface area and pore volume, and the results are shown in Table 2.
Embodiment 11-13 illustrates the modification for the modified boehmite of routine and/or false boehmite that the present invention is used Aluminum oxide prepared by method and modifier therefrom.
Embodiment 11
470 grams of the CL-A powder in terms of butt is weighed, it is mixed into slurries with 3600 grams of deionized waters;By the slurries The volume with stirring is transferred to in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 Hour;Room temperature and after filtering is down to, filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina QBF-1 is obtained. Its crystalline phase, relative crystallinity and grain size are characterized by X-ray diffraction method, the results are shown in Table 1.
By QBF-1 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S11 in air atmosphere.Pass through X-ray diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is surveyed Its fixed specific surface area and pore volume, the results are shown in Table 2.
Embodiment 12
470 grams of CL-A-600 powder are weighed, it is mixed into slurries with 3600 grams of deionized waters;The slurries are transferred to Volume with stirring in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 160 DEG C of constant temperature 4 hours;Drop To room temperature and after filtering, filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina QBF-2 is obtained.Pass through X- Diffraction characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.
By QBF-2 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S12 in air atmosphere.Pass through X-ray diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is surveyed Its fixed specific surface area and pore volume, the results are shown in Table 2.
Embodiment 13
470 grams of the CL-B powder in terms of butt is weighed, it is mixed into slurries with 3600 grams of deionized waters;By the slurries The volume with stirring is transferred to in the autoclave of 5 liters of stainless steel band polytetrafluoro liner, it is closed after be heated to 200 DEG C of constant temperature 4 Hour;Room temperature and after filtering is down to, filter cake is dried 8 hours in 120 DEG C, modified hydrated alumina QBF-3 is obtained. Its crystalline phase, relative crystallinity and grain size are characterized by X-ray diffraction method, the results are shown in Table 1.
By QBF-3 banded extruders(Be the same as Example 1)It is extruded into the cloverleaf pattern bar that circumscribed circle diameter is 1.6 millimeters.Wet bar warp After 120 DEG C of dryings 4 hours, 600 DEG C of constant temperature 4 hours in Muffle furnace, obtain alumina support S13 in air atmosphere.Pass through X-ray diffraction method characterizes its crystalline phase, relative crystallinity and grain size, and the results are shown in Table 1.Pass through N2Absorption/desorption is surveyed Its fixed specific surface area and pore volume, the results are shown in Table 2.
Table 1
Wherein, when determining the crystallinity of false boehmite, using CL-A powder as standard specimen;Determining the knot of boehmite It is brilliant
When spending, using CL-B powder as standard specimen;When determining gama-alumina crystallinity, with CL-B-Al2O3Thing standard specimen.
Table 2
Embodiment Aluminum oxide Specific surface area, m2/g Pore volume, cm3/g
CL-A-Al2O3 283 0.71
CL-B-Al2O3 201 0.51
1 S1 255 0.66
2 S2 238 0.62
3 S3 213 0.61
4 S4 236 0.62
5 S5 265 0.68
6 S6 258 0.66
7 S7 216 0.60
8 S8 222 0.61
9 S9 243 0.63
10 S10 185 0.60
11 S11 233 0.52
12 S12 173 0.60
13 S13 131 0.45
Embodiment 14-29 illustrates the aluminum oxide article shaped containing anion surfactant and its preparation side that the present invention provides Method.
Embodiment 14
1200 grams of carrier S is weighed to be placed in autoclave;1.25 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 2 milliliters of concentrated ammonia liquors of mass fraction 25%, 130 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added in autoclave, It is closed after 90 DEG C of constant temperature 24 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface activity The aluminum oxide article shaped R-S1 of agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 15
2200 grams of carrier S is weighed to be placed in autoclave;1.66 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 2 milliliters of concentrated ammonia liquors of mass fraction 25%, 130 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added in autoclave, It is closed to be placed 48 hours after room temperature.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface activity The aluminum oxide article shaped R-S2 of agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 16
3200 grams of carrier S is weighed to be placed in autoclave;3.58 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 6 milliliters of concentrated ammonia liquors of mass fraction 25%, 130 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added in autoclave, It is closed after 60 DEG C of constant temperature 18 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface activity The aluminum oxide article shaped R-S3 of agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 17
4200 grams of carrier S is weighed to be placed in autoclave;1.08 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 3 milliliters of concentrated ammonia liquors of mass fraction 25%, 140 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added in autoclave, It is closed after 120 DEG C of constant temperature 6 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface activity The aluminum oxide article shaped R-S4 of agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 18
5200 grams of carrier S is weighed to be placed in autoclave;0.77 gram of ammonium oleate is dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 2.5 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to autoclave In, it is closed after 160 DEG C of constant temperature 4 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtains living containing anionic surface The aluminum oxide article shaped R-S5 of property agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 19
6200 grams of carrier S is weighed to be placed in autoclave;4.55 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 8 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added in autoclave, It is closed after 180 DEG C of constant temperature 2 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface activity The aluminum oxide article shaped R-S6 of agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 20
7200 grams of carrier S is weighed to be placed in autoclave;4.93 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to autoclave In, it is closed after 110 DEG C of constant temperature 4 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtains living containing anionic surface The aluminum oxide article shaped R-S7 of property agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 21
8200 grams of carrier S is weighed to be placed in autoclave;4.31 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to autoclave In, it is closed after 120 DEG C of constant temperature 4 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtains living containing anionic surface The aluminum oxide article shaped R-S8 of property agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 22
9200 grams of carrier S is weighed to be placed in autoclave;4.46 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to autoclave In, it is closed after 130 DEG C of constant temperature 4 hours.Sample is dried 4 hours in 120 DEG C after cooling, obtains living containing anionic surface The aluminum oxide article shaped R-S9 of property agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 23
10200 grams of carrier S is weighed to be placed in autoclave;1.05 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution (By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to high pressure It is closed after 80 DEG C of constant temperature 10 hours in kettle.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface The aluminum oxide article shaped R-S10 of activating agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 24
11200 grams of carrier S is weighed to be placed in autoclave;1.25 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution (By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to high pressure It is closed after 90 DEG C of constant temperature 24 hours in kettle.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface The aluminum oxide article shaped R-S11 of activating agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 25
12200 grams of carrier S is weighed to be placed in autoclave;1.25 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution (By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to high pressure It is closed after 90 DEG C of constant temperature 24 hours in kettle.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface The aluminum oxide article shaped R-S12 of activating agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 26
13200 grams of carrier S is weighed to be placed in autoclave;1.25 grams of ammonium oleates are dissolved in 200 milliliters of ammoniacal liquor-ethanol solution (By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to high pressure It is closed after 90 DEG C of constant temperature 4 hours in kettle.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic surface The aluminum oxide article shaped R-S13 of activating agent.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 27
Weigh support C L-A-Al2O3200 grams are placed in autoclave;1.25 grams of ammonium oleates are dissolved in ammoniacal liquor-ethanol solution 200 Milliliter(By 12 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed), it is then added to It is closed after 90 DEG C of constant temperature 24 hours in autoclave.Sample is dried 4 hours in 120 DEG C after cooling, obtained containing anionic The aluminum oxide article shaped R-S14 of surfactant.The mass fraction of anionic surfactant is listed in table 3 in article shaped.
Embodiment 28
The hydrated alumina Q-S2 powder with the equivalent of embodiment 2 is prepared, then with 25 grams of silicon dioxide powders(Purchased from sinopec Chang Ling catalyst branch company)Banded extruder is used after mixing(Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26 (Ⅲ))It is 1.6 millimeters of cloverleaf pattern bar to be extruded into circumscribed circle diameter, and 4 hours are dried through 120 DEG C, finally horse in air atmosphere 600 DEG C not are raised to 4 DEG C/min of heating rate in stove, then in 600 DEG C of constant temperature 4 hours, alumina support S14 is obtained.
14200 grams of carrier S is weighed to be placed in autoclave, 5.25 grams of ammonium oleates and 0.89 gram of neopelex are molten In 200 milliliters of ammoniacal liquor-ethanol solution(By 13 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of absolute ethyl alcohols, surplus is water, is mixed Conjunction is formed), it is then added in autoclave, it is closed after 100 DEG C of constant temperature 2 hours.It is after cooling that sample is small in 120 DEG C of dryings 4 When, obtain the aluminum oxide article shaped R-S15 containing anionic surfactant.Anionic surfactant in article shaped Mass fraction is listed in table 3.
Embodiment 29
The hydrated alumina Q-S2 powder with the equivalent of embodiment 2 is prepared, then with 36 grams of Hydrogen Y molecular sieve powder(Na2O contains Amount 0.2%, cell parameter 2.464, relative crystallinity 88%, purchased from sinopec Chang Ling catalyst branch company)Banded extruder is used after mixing (Manufacturer:South China Science & Engineering University's science and technology industry head factory, model:F-26(Ⅲ))Be extruded into circumscribed circle diameter be 1.6 millimeters three Clover shape bar, dries 4 hours through 120 DEG C, is finally raised to 600 in Muffle furnace with 4 DEG C/min of heating rate in air atmosphere DEG C, then in 600 DEG C of constant temperature 4 hours, obtain alumina support S15.
15200 grams of carrier S is weighed to be placed in autoclave, by 6.68 grams of ammonium oleates, 1.23 grams of neopelexes and 0.66 gram of enuatrol is dissolved in 200 milliliters of ammoniacal liquor-ethanol solution(By 15 milliliters of concentrated ammonia liquors of mass fraction 25%, 150 milliliters of anhydrous second Alcohol, surplus is water, is mixed), it is then added in autoclave, it is closed after 100 DEG C of constant temperature 3 hours.By sample after cooling Dried 4 hours in 120 DEG C, obtain the aluminum oxide article shaped R-S16 containing anionic surfactant.Anion in article shaped The mass fraction of type surfactant is listed in table 3.
Embodiment 30-45 illustrates hydrogenation catalyst prepared by the carrier provided with the present invention.
Implemented respectively with 199 milliliters of dippings of ammonia spirit containing 34.96 grams of ammonium heptamolybdates, 22.62 grams of Nickelous nitrate hexahydrates R-S1, R-S2, R-S3, R-S4, R-S5, R-S6, R-S7, R-S8, R-S9, R-S10, R-S11, R- that example 14~29 is prepared S12, R-S13, R-S14, R-S15 and R-S16, dip time 2 hours, impregnation product is dry 4 hours in 120 DEG C afterwards, obtains Catalyst C1, C2, C3, C4, C5, C6, C7, C8, C9, C10, C11, C12, C13, C14, C15 and C16.
Comparative example 1-4 illustrates comparative catalyst and its preparation.
Comparative example 1
11200 grams of carrier S is weighed, by the carrier S 11 with containing 34.96 grams of ammonium heptamolybdates, 22.62 grams of Nickelous nitrate hexahydrates 199 milliliters of ammonia spirit impregnates above-mentioned carrier 2 hours, is then dried 4 hours at 120 DEG C, obtains catalyst D1.
Comparative example 2
12200 grams of carrier S is weighed, by the carrier S 12 with containing 34.96 grams of ammonium heptamolybdates, 22.62 grams of Nickelous nitrate hexahydrates 199 milliliters of ammonia spirit impregnates above-mentioned carrier 2 hours, is then dried 4 hours at 120 DEG C, obtains catalyst D2.
Comparative example 3
13200 grams of carrier S is weighed, by the carrier S 13 with containing 34.96 grams of ammonium heptamolybdates, 22.62 grams of Nickelous nitrate hexahydrates 199 milliliters of ammonia spirit impregnates above-mentioned carrier 2 hours, is then dried 4 hours at 120 DEG C, obtains catalyst D3.
Comparative example 4
Weigh support C L-A-Al2O3200 grams, by support C L-A-Al2O3With containing 34.96 grams of ammonium heptamolybdates, 22.62 grams 199 milliliters of the ammonia spirit of Nickelous nitrate hexahydrate impregnates above-mentioned carrier 2 hours, then dries 4 hours, is catalyzed at 120 DEG C Agent D4.
Catalyst performance evaluation
The hydrodesulfurization performance that embodiment 30-45 provides the comparative catalyst that catalyst and comparative example 1-4 are provided is evaluated, As a result it is listed in table 3.
Evaluating catalyst is with dimethyl Dibenzothiophene containing 4,6-(4,6-DMDBT)The mixing of 0.59 weight % n-decane Solution is raw material, in high-pressure micro-device(Manufacturer:Beijing petrochemical industry information automation company, model:DADI)Upper evaluation is urged The hydrodesulfurization activity of agent, by catalyst breakage into the particle of a diameter of 40-60 mesh, the loadings of catalyst are 0.15 gram. Before formal charging, presulfurization, pre- sulphur first are carried out to catalyst respectively using the hexamethylene containing 6 weight % carbon disulfide as sulfurized oil The condition of change includes:Pressure is 4.14MPa, and temperature is 362 DEG C, and the time is 3.5 hours, sulfurized oil feed rate is 0.2 milliliter/ Minute.After vulcanization terminates, reaction temperature is cooled to for 280 DEG C, raw material is cut.Reaction condition includes:Raw material feed rate is 0.2 Ml/min, pressure is 4.14MPa, and hydrogen to oil volume ratio is 900.Reaction is sampled after 3 hours in high-pressure separator exit.Institute Sample is obtained to be analyzed with Agilent6890N gas chromatographs.Wherein, 4,6-DMDBT hydrodesulfurization activity A is counted as the following formula Calculate:
A=ln [100/ (100-X)],
In formula, the desulfurization degree that X is 4,6-DMDBT(X circular referring to《It is catalyzed journal》, 2002,23(3): 271-275).
The hydrodesulfurization activity for taking comparative catalyst D1 4,6-DMDBT is 100, then relative the 4,6- of other catalyst DMDBT hydrodesulfurization activity can be represented by the formula:
Relative activity=(AQT/AD1A in) × 100%, formulaQTFor the activity of other catalyst, AD1For the work of reference catalyst Property.
Table 3
Shown by the result of table 3, higher hydrodesulfurization activity is shown according to the hydrogenation catalyst of the present invention.

Claims (19)

1. a kind of aluminum oxide article shaped containing anionic surfactant, the aluminum oxide article shaped contains anionic table Face activating agent, one kind in carboxylate, sulfuric acid, sulfonate and phosphate ester salt of the anionic surfactant or Several, on the basis of the article shaped, the mass fraction of the anionic surfactant is 0.1%-10%;In the oxidation The method that anionic surfactant is introduced in aluminium article shaped, including:(1)Soaked with the solution containing anionic surfactant The ratio between pore volume of aluminum oxide article shaped described in stain, the volume of the maceration extract and the article shaped is 0.5-20;(2)Will dipping Obtained mixture is heat-treated in closed reactor, heat treatment temperature be room temperature to 250 DEG C, the time is 0.5 hour -48 Hour;(3)Drying steps(2)Product, the drying condition includes:Temperature is 40 DEG C -250 DEG C, and the time is 1 hour -24 small When.
2. article shaped according to claim 1, it is characterised in that on the basis of the article shaped, the anionic table The mass fraction of face activating agent is 0.3%-5%.
3. article shaped according to claim 1, it is characterised in that the anionic surfactant is selected from carboxylate.
4. the article shaped according to 3, it is characterised in that the anionic surfactant is selected from ammonium oleate, enuatrol, hard One or more in resin acid ammonium, odium stearate.
5. article shaped according to claim 1, it is characterised in that contain in the article shaped selected from silica, titanium oxide, One or more of adjuvant components in magnesia, zirconium oxide, thorium oxide, beryllium oxide, on the basis of the article shaped, the auxiliary agent The mass fraction of component is less than 10%.
6. article shaped according to claim 5, it is characterised in that on the basis of the article shaped, the adjuvant component Mass fraction is 0.3%-5%.
7. article shaped according to claim 1 or 5, it is characterised in that contain clay and/or molecule in the article shaped Sieve, on the basis of the article shaped, the mass fraction of the clay and/or molecular sieve is less than 35%.
8. article shaped according to claim 7, it is characterised in that on the basis of the article shaped, the clay and/or point The mass fraction of son sieve is 1%-20%.
9. a kind of preparation method of the aluminum oxide article shaped containing anionic surfactant, is included in the aluminum oxide shaping Introduce anionic surfactant in thing, the anionic surfactant be selected from carboxylate, sulfuric acid, sulfonate and One or more in phosphate ester salt, on the basis of the article shaped, the introduction volume of the anionic surfactant makes institute It is 0.1%-10% to state the anionic surfactant mass fraction in article shaped;It is described to be introduced in the aluminum oxide article shaped The method of anionic surfactant, including:(1)With the solution containing anionic surfactant impregnate the aluminum oxide into The ratio between pore volume of type thing, the volume of the maceration extract and the article shaped is 0.5-20;(2)The mixture that dipping is obtained exists Be heat-treated in closed reactor, heat treatment temperature be room temperature to 250 DEG C, the time is -48 hours 0.5 hour;(3)Dry step Suddenly(2)Product, the drying condition includes:Temperature is 40 DEG C -250 DEG C, and the time is -24 hours 1 hour.
10. method according to claim 9, it is characterised in that on the basis of the article shaped, the anionic surface The introduction volume of activating agent makes the mass fraction of the anionic surfactant in the article shaped be 0.3%-5%.
11. method according to claim 9, it is characterised in that the anionic surfactant is selected from carboxylate.
12. method according to claim 11, it is characterised in that the anionic surfactant be selected from ammonium oleate, One or more in enuatrol, ammonium stearate, odium stearate.
13. method according to claim 9, it is characterised in that be included in the process in the article shaped and introduce The step of one or more of adjuvant components in silica, titanium oxide, magnesia, zirconium oxide, thorium oxide, beryllium oxide, with On the basis of the article shaped, the introduction volume of the adjuvant component make the mass fraction of adjuvant component in the article shaped for 10% with Under.
14. method according to claim 13, it is characterised in that on the basis of the article shaped, the adjuvant component Mass fraction is 0.3%-5%.
15. the method according to claim 9 or 13, it is characterised in that contain clay and/or molecule in the article shaped Sieve, on the basis of the article shaped, the mass fraction of the clay and/or molecular sieve is less than 35%.
16. method according to claim 15, it is characterised in that on the basis of the article shaped, the clay and/or point The mass fraction of son sieve is 1%-20%.
17. method according to claim 9, it is characterised in that step(1)Described in maceration extract volume and the shaping The ratio between pore volume of thing is 1-15;Step(2)Described in heat treatment temperature be 60 DEG C to 220 DEG C, the time be -36 hours 1 hour, Step(3)Drying condition include:Temperature is 100 DEG C -180 DEG C, and the time is -18 hours 2 hours.
18. according to application of any one of the claim 1-8 article shapeds as adsorbent.
19. according to application of any one of the claim 1-8 article shapeds as catalyst carrier.
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