CN106540708A - A kind of C5Hydrogenation of petroleum resin catalyst and preparation method thereof - Google Patents
A kind of C5Hydrogenation of petroleum resin catalyst and preparation method thereof Download PDFInfo
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- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/70—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper
- B01J23/76—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/84—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of the iron group metals or copper combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36 with arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/85—Chromium, molybdenum or tungsten
- B01J23/88—Molybdenum
- B01J23/887—Molybdenum containing in addition other metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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Abstract
The invention belongs to metallic catalyst preparation field, and in particular to a kind of C5Hydrogenation of petroleum resin catalyst and preparation method thereof.The C5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and the major catalyst Ni being supported on carrier and promoter La, Mo, Ti, weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 7 15%, weight of the weight/mass percentage composition of the La based on the catalyst is 1 3%, weight of the weight/mass percentage composition of the Mo based on the catalyst is 0.5 2%, and the weight of the weight/mass percentage composition of the promoter Ti based on the catalyst is 0.3 1.8%.The catalyst is used for C5Not only hydrogenation activity is high for hydrogenation of petroleum resin, with good sulfur removal and good stability, and preparation process is simple, suitable industrialized production.
Description
【Technical field】
The present invention relates to metallic catalyst preparing technical field, and in particular to a kind of C5Hydrogenation of petroleum resin catalyst and its
Preparation method.
【Background technology】
C5Fraction be petroleum cracking produce ethylene side-product, it is cheap and easy to get, and with global ethylene year output by
Gradually improve, by-product C5The quantity of fraction is also on the increase.C5Petropols are with C5Fraction is raw material, it is aggregated obtained by one
Kind is widely used in adhesive, Colophonium, ink, coating and other need in yellow to beige glassy thermoplastic's resin
Want the industry of gluing.Due to C5Petropols contain unsaturated double-bond and aromatic compound, there is stink, hue difference and photo-thermal steady
The defects such as qualitative difference, and C5Sulfur, halogen class compound are remained in Petropols, its range of application is more limited.By to C5Oil
Resin carries out the hydrogenation C that hydrogenation modification can obtain light high-quality5Petropols, are widely used in packaging for foodstuff, pressure sensitive adhesive, heat
The high additive value fields such as molten type traffic paint, widen its range of application significantly, obtain economic benefit.C5Petropols molecular weight is
500-3000, it is sterically hindered larger, and leave sulfur, halogenide etc. and easily make the impurity of catalyst poisoning, therefore, hydrogenation difficulty compared with
Greatly.At present, C5Hydrogenation of petroleum resin mainly uses Pd, Pt even load type noble metal catalyst, not only expensive, and easily in
Poison, stability are bad, also have part to use the research report of the non-precious metal catalyst such as Ni, W, but Ni, W large usage quantity and need to plus
Enter promoter or chelating agent.C5Industrialized catalizer variety is few for hydrogenation of petroleum resin, the industrial C of China5Petropols
Hydrogenation catalyst is mainly import palladium series catalyst, and high cost is easily poisoned, therefore, develop a kind of low cost, sulfur poisoning-resistant
Can good, stable, non-precious metal catalyst capable of being industrialized to China C5The development of hydrogenation of petroleum resin industry is most important.
【The content of the invention】
The present invention goal of the invention be：For the problems referred to above, there is provided a kind of C5Hydrogenation of petroleum resin catalyst and its system
Preparation Method, the C5Hydrogenation of petroleum resin catalyst has good sulfur removal and good stability.
To achieve these goals, the technical solution used in the present invention is as follows：
A kind of C5Hydrogenation of petroleum resin catalyst, comprising kieselguhr and bentonite complex carrier and is supported on carrier
Major catalyst Ni and promoter La and Mo, the promoter also include Ti.
In the present invention, further, weight of the diatomaceous weight/mass percentage composition based on the catalyst is 58-
Weight of the weight/mass percentage composition of 78%, the major catalyst Ni based on the catalyst be 7-15%, the quality hundred of the La
Divide weight of the content based on the catalyst for 1-3%, the weight/mass percentage composition of the Mo based on the weight of the catalyst is
Weight of the weight/mass percentage composition of 0.5-2%, the promoter Ti based on the catalyst is 0.3-1.8%, further
Ground, weight of the diatomaceous weight/mass percentage composition based on the catalyst be 65-75%, the quality of the major catalyst Ni
Weight of the percentage composition based on the catalyst is 8-13%, the weight of the weight/mass percentage composition of the La based on the catalyst
For 1.3-2.5%, the weight of the weight/mass percentage composition of the Mo based on the catalyst is 0.8-1.8%, the promoter
Weight of the weight/mass percentage composition of Ti based on the catalyst is 0.5-1.5%.
One kind prepares above-mentioned C5The method of hydrogenation of petroleum resin catalyst, comprises the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 2-5h with complex carrier, is dried, roasting；(2) by six hydrations
Nickel nitrate is dissolved in deionized water, and it is 4.0-5.5 to adjust solution ph with strong aqua ammonia, resulting solution with loaded answering for promoter
Close carrier and press equi-volume process dipping 10-30min, drying is stand-by；(3) by the stand-by dry products of gained and tetrachloro in step (2)
Change titanium aqueous solution incipient impregnation 1-3h, be dried, reduction obtains final product C5Hydrogenation of petroleum resin catalyst.
In the present invention, further, in the step (1), drying is that perseverance is dried under vacuum at a temperature of 105-130 DEG C
Weight.
In the present invention, further, baking inphases are roasted in the step (1), first the roasting 2- at 250-350 DEG C
3h, then in 450-550 DEG C of roasting temperature 3-5h.
In the present invention, further, the drying in the step (2) and (3) is the forced air drying at a temperature of 70-90 DEG C
To constant weight.
In the present invention, further, it is reduced at a temperature of 480-750 DEG C in the step (3), in 8-15vol.%
H2/N2Reductase 12 .5-4h in mixed atmosphere.
C of the present invention5The method of evaluating performance of hydrogenation of petroleum resin catalyst is：By C5Petropols are dissolved in hexamethylene
In, mass fraction is 15-55%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst,
It is 5-8MPa in reaction pressure, for 4-6h is reacted under conditions of 240-280 DEG C, the quality of the catalyst is C to reaction temperature5Stone
The 5-12% of oleoresin quality.
C of the present invention5Hydrogenation of petroleum resin catalyst is by first loading La and Mo double-components promoter nickel-loaded again
The step impregnation of component, can improve the active force between nickel active component and complex carrier, disperse nickel metallic particles, improve
Catalyst dispersion, and then catalysis activity, sulfur resistance and stability are improved, reduce catalyst amount, reduces cost；By adding
Plus promoter Ti, the anti-poisoning performance of catalyst can be improved, the stability of catalyst is improved；Loaded using first nickel-loaded again and helped
The step impregnation method of catalyst Ti introduces promoter Ti, it is possible to reduce the impurity directly contact such as nickel active component and sulfur, gel,
The anti-poisoning performance of catalyst can be further improved, the stability of catalyst is improved.
In sum, as a result of above-mentioned technical proposal, the invention has the beneficial effects as follows：The C5Hydrogenation of petroleum resin
Catalyst amount is few, low cost, for C5The hydrogenation activity of hydrogenation of petroleum resin is high, with good anti-poisoning performance and well
Stability, and preparation process is simple, suitable industrialized production.
【Specific embodiment】
For a better understanding of the present invention, below with instantiation describing technical scheme in detail, but this
Invention is not limited thereto.
Embodiment 1
The C of the present embodiment5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and is supported on load
Major catalyst Ni and promoter La, Mo, Ti on body, weight of the diatomaceous weight/mass percentage composition based on the catalyst
Measure as 58%, the weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 15%, the quality of the La
Weight of the percentage composition based on the catalyst is 1%, and the weight/mass percentage composition of the Mo based on the weight of the catalyst is
Weight of the weight/mass percentage composition of 2%, the promoter Ti based on the catalyst is 0.3%.
The C of the present embodiment5The preparation method of hydrogenation of petroleum resin catalyst is comprised the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 5h with complex carrier, is dried under vacuum at a temperature of 130 DEG C
Constant weight, the then first roasting 3h at 250 DEG C, then in 450 DEG C of roasting temperature 5h；(2) Nickelous nitrate hexahydrate is dissolved in into deionization
In water, with strong aqua ammonia adjust solution ph be loaded in 4.0, resulting solution and step (1) complex carrier of promoter by etc.
Volumetric method impregnate 10min, sample at a temperature of 70 DEG C forced air drying to constant weight, gained drying sample is stand-by；(3) by step (2)
After the stand-by drying sample of middle gained and titanium tetrachloride aqueous solution incipient impregnation 1h, at a temperature of 90 DEG C forced air drying to constant weight,
Then at a temperature of 480 DEG C, in 15vol.%H2/N24h is reduced in mixed atmosphere, C is obtained final product5Hydrogenation of petroleum resin catalyst.
The catalyst performance evaluation method of the present embodiment is：By C5Petropols are dissolved in hexamethylene, and mass fraction is
55%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst, is 5MPa in reaction pressure,
For 6h is reacted under conditions of 240 DEG C, the quality of the catalyst is C to reaction temperature5The 5% of Petropols quality.
Catalyst performance evaluation result is as shown in table 1.
Embodiment 2
The C of the present embodiment5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and is supported on load
Major catalyst Ni and promoter La, Mo, Ti on body, weight of the diatomaceous weight/mass percentage composition based on the catalyst
Measure as 78%, the weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 15%, the quality of the La
Weight of the percentage composition based on the catalyst is 3%, and the weight/mass percentage composition of the Mo based on the weight of the catalyst is
Weight of the weight/mass percentage composition of 0.5%, the promoter Ti based on the catalyst is 1.8%.
The C of the present embodiment5The preparation method of hydrogenation of petroleum resin catalyst is comprised the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 5h with complex carrier, is dried under vacuum at a temperature of 105 DEG C
Constant weight, the then first roasting 2h at 350 DEG C, then in 550 DEG C of roasting temperature 3h；(2) Nickelous nitrate hexahydrate is dissolved in into deionization
In water, with strong aqua ammonia adjust solution ph be loaded in 5.5, resulting solution and step (1) complex carrier of promoter by etc.
Volumetric method impregnate 30min, sample at a temperature of 90 DEG C forced air drying to constant weight, gained drying sample is stand-by；(3) by step (2)
After the stand-by drying sample of middle gained and titanium tetrachloride aqueous solution incipient impregnation 3h, at a temperature of 70 DEG C forced air drying to constant weight,
Then at a temperature of 750 DEG C, in 8vol.%H2/N2Reductase 12 .5h in mixed atmosphere, obtains final product C5Hydrogenation of petroleum resin catalyst.
The catalyst performance evaluation method of the present embodiment is：By C5Petropols are dissolved in hexamethylene, and mass fraction is
15%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst, is 8MPa in reaction pressure,
For 4h is reacted under conditions of 260 DEG C, the quality of the catalyst is C to reaction temperature5The 12% of Petropols quality.
Catalyst performance evaluation result is as shown in table 1.
Embodiment 3
The C of the present embodiment5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and is supported on load
Major catalyst Ni and promoter La, Mo, Ti on body, weight of the diatomaceous weight/mass percentage composition based on the catalyst
Measure as 68%, the weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 11%, the quality of the La
Weight of the percentage composition based on the catalyst is 1.5%, the weight of the weight/mass percentage composition of the Mo based on the catalyst
For 1.3%, the weight of the weight/mass percentage composition of the promoter Ti based on the catalyst is 1.2%.
The C of the present embodiment5The preparation method of hydrogenation of petroleum resin catalyst is comprised the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 3.5h with complex carrier, is vacuum dried at a temperature of 114 DEG C
To constant weight, the then first roasting 2.5h at 300 DEG C, then in 500 DEG C of roasting temperature 4h；(2) Nickelous nitrate hexahydrate is dissolved in
In ionized water, it is 4.8 to adjust solution ph with strong aqua ammonia, and the complex carrier of promoter has been loaded in resulting solution and step (1)
By equi-volume process impregnate 20min, sample at a temperature of 80 DEG C forced air drying to constant weight, gained drying sample is stand-by；(3) by step
(2), after stand-by drying sample obtained by and titanium tetrachloride aqueous solution incipient impregnation 2h, at a temperature of 80 DEG C, forced air drying is to perseverance
Weight, then at a temperature of 630 DEG C, in 12vol.%H2/N23h is reduced in mixed atmosphere, C is obtained final product5Hydrogenation of petroleum resin catalyst.
The catalyst performance evaluation method of the present embodiment is：By C5Petropols are dissolved in hexamethylene, and mass fraction is
33%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst, in reaction pressure is
6.5MPa, for 5h is reacted under conditions of 255 DEG C, the quality of the catalyst is C to reaction temperature5The 8% of Petropols quality.
Catalyst performance evaluation result is as shown in table 1.
Embodiment 4
The C of the present embodiment5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and is supported on load
Major catalyst Ni and promoter La, Mo, Ti on body, weight of the diatomaceous weight/mass percentage composition based on the catalyst
Measure as 75%, the weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 8%, the quality hundred of the La
Weight of the content based on the catalyst is divided to be 2.5%, the weight/mass percentage composition of the Mo based on the weight of the catalyst is
Weight of the weight/mass percentage composition of 1.8%, the promoter Ti based on the catalyst is 1.5%.
The C of the present embodiment5The preparation method of hydrogenation of petroleum resin catalyst is comprised the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 4h with complex carrier, is dried under vacuum at a temperature of 110 DEG C
Constant weight, the then first roasting 2.5h at 275 DEG C, then in 530 DEG C of roasting temperature 3.5h；(2) Nickelous nitrate hexahydrate is dissolved in
In ionized water, it is 4.5 to adjust solution ph with strong aqua ammonia, and the complex carrier of promoter has been loaded in resulting solution and step (1)
By equi-volume process impregnate 13min, sample at a temperature of 75 DEG C forced air drying to constant weight, gained drying sample is stand-by；(3) by step
(2), in after the stand-by drying sample of gained and titanium tetrachloride aqueous solution incipient impregnation 2.5h, at a temperature of 85 DEG C, forced air drying is extremely
Constant weight, then at a temperature of 700 DEG C, in 10vol.%H2/N23.5h is reduced in mixed atmosphere, C is obtained final product5Hydrogenation of petroleum resin is urged
Agent.
The catalyst performance evaluation method of the present embodiment is：By C5Petropols are dissolved in hexamethylene, and mass fraction is
20%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst, is 7MPa in reaction pressure,
For 5.5h is reacted under conditions of 245 DEG C, the quality of the catalyst is C to reaction temperature5The 9% of Petropols quality.
Catalyst performance evaluation result is as shown in table 1.
Embodiment 5
The C of the present embodiment5Hydrogenation of petroleum resin catalyst includes kieselguhr and bentonite complex carrier and is supported on load
Major catalyst Ni and promoter La, Mo, Ti on body, weight of the diatomaceous weight/mass percentage composition based on the catalyst
Measure as 65%, the weight of the weight/mass percentage composition of the major catalyst Ni based on the catalyst is 13%, the quality of the La
Weight of the percentage composition based on the catalyst is 1.3%, the weight of the weight/mass percentage composition of the Mo based on the catalyst
For 0.8%, the weight of the weight/mass percentage composition of the promoter Ti based on the catalyst is 0.5%.
The C of the present embodiment5The preparation method of hydrogenation of petroleum resin catalyst is comprised the following steps：(1) by Lanthanum (III) nitrate, nitric acid
Molybdenum obtains saline solution in being dissolved in deionized water, presses after incipient impregnation 3h with complex carrier, is dried under vacuum at a temperature of 120 DEG C
Constant weight, the then first roasting 2h at 320 DEG C, then in 480 DEG C of roasting temperature 4.5h；(2) by Nickelous nitrate hexahydrate be dissolved in from
In sub- water, with strong aqua ammonia adjust solution ph be loaded in 5, resulting solution and step (1) complex carrier of promoter by etc.
Volumetric method impregnate 17min, sample at a temperature of 85 DEG C forced air drying to constant weight, gained drying sample is stand-by；(3) by step (2)
After the stand-by drying sample of middle gained and titanium tetrachloride aqueous solution incipient impregnation 1.5h, at a temperature of 75 DEG C, forced air drying is to perseverance
Weight, then at a temperature of 650 DEG C, in 11vol.%H2/N24h is reduced in mixed atmosphere, C is obtained final product5Hydrogenation of petroleum resin catalyst.
The catalyst performance evaluation method of the present embodiment is：By C5Petropols are dissolved in hexamethylene, and mass fraction is
35%, by the C being completely dissolved5Petropols material liquid puts into autoclave together with catalyst, is 6MPa in reaction pressure,
For 4.5h is reacted under conditions of 255 DEG C, the quality of the catalyst is C to reaction temperature5The 11% of Petropols quality.
Catalyst performance evaluation result is as shown in table 1.
Comparative example 1
The C of the present embodiment5Hydrogenation of petroleum resin catalyst, method of evaluating performance are substantially the same manner as Example 3, unique to distinguish
It is that the present embodiment catalyst does not contain promoter, embodiment 3 catalyst promoter containing La, Mo, Ti.
Catalyst performance evaluation result is as shown in table 1.
Comparative example 2
The C of the present embodiment5Hydrogenation of petroleum resin catalyst performance evaluation method is substantially the same manner as Example 3, unique to distinguish
It is that the present embodiment catalyst is import palladium catalyst.
Catalyst performance evaluation result is as shown in table 1.
1 catalyst performance evaluation result of table：
| Group | Bromine number/gBr100g-1 | Gardener colors number | S/mg·kg-1 | Softening point/DEG C |
| Raw material | 25.47 | 10 | 57.2 | 116.5 |
| Embodiment 1 | 1.46 | 2 | 3.39 | 102.7 |
| Embodiment 2 | 1.02 | 1 | 2.05 | 94.3 |
| Embodiment 3 | 0.47 | <1 | 2.31 | 95.2 |
| Embodiment 4 | 0.84 | <1 | 1.64 | 94.8 |
| Embodiment 5 | 0.78 | <1 | 2.58 | 95.4 |
| Comparative example 1 | 15.86 | 5 | 35.7 | 94.6 |
| Comparative example 2 | 1.26 | 1 | 2.42 | 96.1 |
As it can be seen from table 1 compared with comparative example, the hydrogenation C of embodiment5Petropols bromine number is lower, and color number is more shallow, sulfur
Content is lower, shows that the catalyst of embodiment has higher hydrogenation activity and more preferable sulphur removal performance, this explanation present invention's
Catalyst has excellent catalysis activity and sulfur resistance；Compared with comparative example 1, the hydrogenation C of embodiment 35Petropols bromine number
Lower, color number is more shallow, and sulfur content is lower, illustrates that the promoter for adding affects notable to catalyst, is remarkably improved catalyst
Catalysis activity and sulfur resistance.
Comparative example 3
The C of the present embodiment5Hydrogenation of petroleum resin catalyst is substantially the same manner as Example 3, and unique difference is the present embodiment
Catalyst does not contain promoter Ti, 3 catalyst promoter Ti of embodiment.
Catalyst stability is investigated using the catalyst of embodiment 3 and comparative example 3, by the reusability of catalyst
Can be evaluating the stability of catalyst.With identical C5Petropols are raw material, are entered under conditions of reaction condition is with embodiment 3
Row repeats to test, sample analysis bromine number after often completing once to be hydrogenated with, and bromine number unit is gBr100g-1, as a result as shown in table 2.
2 catalyst of table reuses result：
| Number of repetition | Raw material | 1 | 2 | 3 | 4 | 5 | 6 |
| Embodiment 3 | 25.47 | 0.47 | 0.77 | 1.02 | 1.88 | 2.68 | 3.41 |
| Comparative example 3 | 25.47 | 1.42 | 7.33 | 17.85 | --- | --- | --- |
From table 2 it can be seen that after 3 catalyst of embodiment reuses 6 times, bromine number change is slow, and activity does not substantially become
Change, illustrate catalyst poisoning lesser extent, it is reproducible, with good anti-poisoning performance and catalytic stability, and comparative example 3
After catalyst reuses 3 times, bromine number rises rapidly, and catalyst activity is decreased obviously, and illustrates the anti-toxic of catalyst
Can be poor, thus stability is poor, the promoter Ti added in illustrating catalyst of the present invention can improve the anti-poisoning performance of catalyst
And catalytic stability.
Described above is the detailed description for preferably possible embodiments of the invention, but embodiment is not limited to this
Bright patent claim, the equal change completed under the technical spirit suggested by all present invention or modification change, all should belong to
In the covered the scope of the claims of the present invention.
Claims (7)
1. a kind of C5Hydrogenation of petroleum resin catalyst, comprising kieselguhr and bentonite complex carrier and the master being supported on carrier
Catalyst n i and promoter La and Mo, it is characterised in that the promoter also includes Ti.
2. C according to claim 15Hydrogenation of petroleum resin catalyst, it is characterised in that the diatomaceous content is based on
The weight of the catalyst is 58-78%, and the weight of the content of the major catalyst Ni based on the catalyst is 7-15%, institute
Weight of the content of La based on the catalyst is stated for 1-3%, the weight of the content of the Mo based on the catalyst is 0.5-
Weight of the content of 2%, the promoter Ti based on the catalyst is 0.3-1.8%.
3. C according to claim 1 and 25Hydrogenation of petroleum resin catalyst, it is characterised in that the diatomaceous quality hundred
Weight of the content based on the catalyst is divided to be 65-75%, the weight/mass percentage composition of the major catalyst Ni is based on the catalysis
The weight of agent is 8-13%, and the weight of the weight/mass percentage composition of the La based on the catalyst is 1.3-2.5%, the Mo's
Weight of the weight/mass percentage composition based on the catalyst is 0.8-1.8%, and the weight/mass percentage composition of the promoter Ti is based on
The weight of the catalyst is 0.5-1.5%.
4. a kind of method for preparing the catalyst described in any one of claims 1 to 3, it is characterised in that comprise the following steps：
(1) Lanthanum (III) nitrate, nitric acid molybdenum are dissolved in deionized water and obtain saline solution, pressed after incipient impregnation 2-5h with complex carrier, be dried,
Roasting；(2) Nickelous nitrate hexahydrate is dissolved in deionized water, it is 4.0-5.5 to adjust solution ph with strong aqua ammonia, resulting solution with it is negative
The complex carrier for having carried promoter impregnates 10-30min by equi-volume process, and drying is stand-by；(3) gained in step (2) is treated
With dry products and titanium tetrachloride aqueous solution incipient impregnation 1-3h, it is dried, reduction obtains final product C5Hydrogenation of petroleum resin catalyst.
5. preparation method according to claim 4, it is characterised in that drying in the step (1) is warm at 105-130 DEG C
Constant weight is dried under vacuum under degree.
6. preparation method according to claim 4, it is characterised in that baking inphases are roasted in the step (1), are first existed
Roasting 2-3h at 250-350 DEG C, then in 450-550 DEG C of roasting temperature 3-5h.
7. preparation method according to claim 4, it is characterised in that be reduced in the step (3) warm at 480-750 DEG C
Under degree, in 8-15vol.%H2/N2Reductase 12 .5-4h in mixed atmosphere.
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