CN110437870A - A kind of utilization method of catalytic slurry - Google Patents
A kind of utilization method of catalytic slurry Download PDFInfo
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- CN110437870A CN110437870A CN201810419418.4A CN201810419418A CN110437870A CN 110437870 A CN110437870 A CN 110437870A CN 201810419418 A CN201810419418 A CN 201810419418A CN 110437870 A CN110437870 A CN 110437870A
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/02—Working-up pitch, asphalt, bitumen by chemical means reaction
- C10C3/023—Working-up pitch, asphalt, bitumen by chemical means reaction with inorganic compounds
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
- C10C3/08—Working-up pitch, asphalt, bitumen by selective extraction
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G53/00—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes
- C10G53/02—Treatment of hydrocarbon oils, in the absence of hydrogen, by two or more refining processes plural serial stages only
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G2300/00—Aspects relating to hydrocarbon processing covered by groups C10G1/00 - C10G99/00
- C10G2300/10—Feedstock materials
- C10G2300/1003—Waste materials
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- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Working-Up Tar And Pitch (AREA)
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Abstract
The invention discloses a kind of utilization methods of catalytic slurry.This method comprises: modifying agent is added in catalytic slurry, stir, obtained Modified catalytic slurry oil, as mass fraction, catalytic slurry: 95.0%~99.9%, modifying agent: 0.1%~5.0%；Resulting Modified catalytic slurry oil enters solvent deasphalting unit after mixing with residual oil, obtains de-oiled asphalt after solvent extraction extracts light component；The modifying agent is one of condensation of aluminum phosphate and silicon phosphate curing agent or a variety of.The method of the present invention can make full use of catalytic slurry, the problem of catalytic slurry response to temperature, anti-aging property difference can be improved again, and the flash-point of de-oiled asphalt is improved, de-oiled asphalt uses directly as hard road bitumen or as the raw material for concocting road asphalt and water-proof asphalt.
Description
Technical field
The present invention relates to a kind of utilization methods of catalytic slurry, especially the method for producing road asphalt.
Background technique
Heavy oil catalytic cracking is important one of the secondary operation means of PETROLEUM PROCESSING, in order to reduce catalyst carbon deposition, extend
Its service life, usual catalytic cracking unit will get rid of a certain proportion of slurry oil outside, and majority is for producing fuel oil or being mixed into residual oil
Coking plant, but due to, there are catalyst granules, will affect its combustibility in FCC slurry, in addition, from maximizing the benefits original
For then, nor best utilization ways.
In order to improve the utility value of FCC slurry, some enterprises start the production that slurry oil is used for pitch.Using more
Technology is to mix slurry oil with crude oil to carry out vacuum distillation production pitch etc..However, due to containing more double bond group in slurry oil
Point and the reasons such as catalyst granules, cause catalytic slurry itself to have the characteristics that high-temperature behavior, response to temperature and anti-aging property are poor,
Property after showing the softening point of blend asphalt, 60 DEG C of dynamic viscosities, penetration index and degradations is deteriorated, with itself plus
The increase variation for entering amount is further obvious.As a result, or can only produce more low-grade road asphalt or be reduce it is original etc.
The a series of problems excessively influenced whether in sale and use process is added in the quality and service performance of grade pitch.
CN1302841A discloses a kind of processing method of catalytic slurry, and wherein catalytic slurry is needed by vacuum distillation,
Obtained heavy constituent again with subtracting slag blending or reoxidize and could produce after mixing with decompression residuum after solvent deoiling pitch, oxidation
Qualified road asphalt out.
CN103554926A discloses a kind of low grade asphalt for high grade road and preparation method thereof, wherein needing to be catalyzed
It is first evaporated under reduced pressure after slurry oil and the mixing of normal slag, it then could be oily, unmodified with de-oiled asphalt, solvent refining extraction
One of hard decompression residuum or more than one low grade asphalt for high grade road prepared by blending method.This method is still
The problem of the intrinsic response to temperature of catalytic slurry and anti-aging property difference is not can solve so.
CN102559250A discloses a kind of catalytic slurry air-distillation production mixing asphalt oil method.This method is in slurry oil
It is middle that a certain amount of vapor partial pressure regulator and peroxide is added, the mixture is then heated to 360 ~ 420 DEG C, into fractionation
Tower is fractionated, and obtains being greater than 360 DEG C of tower bottom heavy distillat as mixing asphalt oil.The method that air-distillation can be used in this method obtains
To mixing asphalt component, but the response to temperature and anti-aging property for improving produced road asphalt are not referred to, and weight after oxidation
The increase of 100 DEG C of viscosity of slurry oil, that is, ready-mixed oil is mainly due to caused by topping processing.
CN105273421A discloses a kind of decompression of catalytic slurry using method, using catalytic slurry by vacuum distillation
Residual oil is used as raw material, and crosslinking agent is added into decompression residuum and carries out crosslinking condensation reaction preparation condensation slurry oil, it is dripped with matrix
Blueness concocts out road asphalt, and wherein crosslinking agent is peroxide cross-linking agent, one in sulphur and sulfide crosslinking agent, metal oxide
Kind or more than one mixtures.This method be using improved catalytic slurry as the modifying agent of matrix pitch, but can not be from this
Specific improvement effect is known in method.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides a kind of utilization methods of catalytic slurry.The method of the present invention can be with
Catalytic slurry is made full use of, and the problem of catalytic slurry response to temperature, anti-aging property difference can be improved, and improve de-oiled asphalt
Flash-point, while gained de-oiled asphalt can for hard road bitumen use or as concoct road asphalt raw material.
The present invention provides a kind of utilization methods of catalytic slurry, comprising:
(1) modifying agent is added in catalytic slurry, Modified catalytic slurry oil is made in stirring；
(2) enter solvent deasphalting unit after mixing the resulting Modified catalytic slurry oil of step (1) with residual oil, taken out through solvent extraction
De-oiled asphalt (DOA) is obtained after proposing light component；
Wherein, on the basis of step (1) total raw material quality, as mass fraction,
Catalytic slurry: 95.0%~99.9%, preferably 97.0%~99.8%；
Modifying agent: 0.1%~5.0%, preferably 0.2%~3.0%；
The modifying agent is one of condensation of aluminum phosphate and silicon phosphate curing agent or a variety of.
The modifying agent is preferably the solidification of condensation of aluminum phosphate and silicon phosphate curing agent, wherein condensation of aluminum phosphate and silicon phosphate
The mass ratio of agent is (1:9)~(9:1), preferably (3:7)~(7:3).
Heretofore described condensation of aluminum phosphate can be aluminium triphosphate, modified aluminium triphosphate, tripolyphosphate dihydro
One of aluminium is a variety of, and the fineness of the condensation of aluminum phosphate is 325 mesh or more.Wherein, modified aluminium triphosphate can be adopted
It is obtained with conventional method of modifying, such as modified, the inorganic chemical using one or more methods such as inorganic compound, surfactant
Object can be one of compound of the common modifying element such as siliceous, zinc, calcium, magnesium or a variety of.The silicon phosphate curing agent
Fineness is 1000 mesh or more, moisture≤0.8wt%.
In step (2), the residual oil is one or both of decompression residuum and reduced crude.It is described in step (2)
Solvent be selected from the alkane of C3 ~ C6, preferably one of propane, butane and pentane or a variety of mixtures.
In the utilization method of catalytic slurry of the invention, in step (2), with Modified catalytic slurry oil and mixtures of residua material
On the basis of gross mass, as mass fraction, including following raw material components:
Residual oil: 70%~99%, preferably 80%~97%；
Modified catalytic slurry oil: 1%~30%, preferably 3%~20%.
Utilizing in method and step (1) for catalytic slurry of the invention, modifying agent is added to and is heated to 140 DEG C~200 DEG C
Catalytic slurry in, be preferably added to and be heated in 150 DEG C~190 DEG C catalytic slurries, time of the stirring is 0.5~
It 5.0 hours, preferably stirs 1.0~4.0 hours, the stirring carries out at 160 DEG C~200 DEG C, and preferably 170 DEG C~190 DEG C
Lower stirring.
Catalytic slurry of the invention utilizes in method and step (2), by the resulting Modified catalytic slurry oil of step (1) and residual oil
Mixed temperature is 80 DEG C~200 DEG C, preferably 100 DEG C~180 DEG C.
Catalytic slurry of the invention utilizes in method and step (2), solvent-extracted condition are as follows: solvent ratio is 3:1~12:
1, preferably 4:1~7:1, the solvent ratio are the volume ratio of Modified catalytic slurry oil and residual oil used in solvent and step (2), and pressure is
2MPa~6MPa, preferably 3MPa~5MPa.Tower top temperature be 55 DEG C~200 DEG C, preferably 60 DEG C~198 DEG C, column bottom temperature 50
DEG C~195 DEG C, preferably 55 DEG C~190 DEG C, wherein column bottom temperature is 5 DEG C ~ 20 DEG C, preferably 7 DEG C~15 DEG C lower than tower top temperature.Stop
Staying the time is 8min~40min, preferably 10min~30min.
In the utilization method of catalytic slurry of the invention, gained DOA softening point is 50 ~ 120 DEG C, preferably 60 ~ 100 DEG C；Needle
In-degree is 0~80(25 DEG C, 0.1mm), further preferably 10~50(25 DEG C, 0.1mm), gained DOA can be directly as hard
Matter road asphalt uses or as the raw material for concocting road asphalt.
In the utilization method of catalytic slurry of the invention, the slurry oil is catalytic cracked oil pulp, can be distillate and urges
Change cracking slurry oil, oil slurry from catalytically cracked heavy oil, Residue Catalytic Cracking slurry oil or distillate to mix in refining Residue Catalytic Cracking slurry oil
It is one or more of；Wherein the residual oil includes one or more of reduced crude and decompression residuum, and the heavy oil can be original
The heavy oil that oil is handled through plug, distillate include one of vacuum gas oil (VGO) (VGO) and AGO (atmospheric gas oil) (AGO) or several
Kind.
Compared with prior art, the present invention has the advantage that
The present invention is modified catalytic slurry, and unstable double bond component is by carrying out crosslinking condensation etc. with modifying agent in slurry oil
Reaction, obtained Modified catalytic slurry oil and residual oil carries out solvent deasphalting, by solvent to the selective dissolution and mass transfer of component
Effect is conducive to so that component heavier in Modified catalytic slurry oil, beneficial to improvement asphalt performance is retained in DOA into one
Step improves the response to temperature of pitch, especially high temperature anti-rut behavior, and improves the anti-aging property of pitch.DOA can be direct
It is used as hard road bitumen or as the raw material for concocting road asphalt and water-proof asphalt.
When the present invention is simultaneously modified catalytic slurry using condensation of aluminum phosphate and silicon phosphate curing agent, two kinds of modifying agent
Coordinated, to keep the response to temperature of pitch, high temperature anti-rut behavior and anti-aging property etc. more excellent.
The present invention efficiently uses while improving road asphalt and water-proof asphalt performance for catalytic slurry, reduces road
Road asphalt production cost improves Business Economic Benefit, opens a feasible approach.
Specific embodiment
The technical solution that the invention is further illustrated by the following examples, but these embodiments cannot limit the present invention,
The wt% being related to is mass fraction.
Embodiment 1
Catalytic slurry is heated to 180 DEG C, powdery condensation of aluminum phosphate (aluminium triphosphate, 800 mesh of fineness, similarly hereinafter) is added to and is urged
In carburetion slurry, wherein catalytic slurry accounts for the 98.0wt% of total amount, and condensation of aluminum phosphate accounts for the 2.0wt% of total amount, and at 180 DEG C, use is general
Leading to after being stirred reaction 210min terminates, and obtains Modified catalytic slurry oil.
By above-mentioned Modified catalytic slurry oil and decompression residuum (25 DEG C of density 1.021g/cm3, 44.3 DEG C of softening point, flash-point 279
DEG C, similarly hereinafter) mixing after be added in solvent deasphalting unit, mixing temperature be 130 DEG C, solvent for use is butane, wherein to change
Property catalytic slurry and mixtures of residua material gross mass on the basis of, as mass fraction, Modified catalytic slurry oil ratio accounts for 7wt%, so
Solvent extraction is carried out afterwards extracts light component, the condition of solvent extraction extracting are as follows: butane solvent and Modified catalytic slurry oil and decompression
The volume ratio of residual oil is 5:1, and pressure 4.3MPa, tower top temperature is 130 DEG C, and column bottom temperature is 120 DEG C, and the residence time is
10min.De-oiled asphalt is finally obtained, property is shown in Table 2.
Embodiment 2
Catalytic slurry is heated to 160 DEG C, powdery condensation of aluminum phosphate (aluminium dihydrogen tripolyphosphate, 800 mesh of fineness) is added to and is urged
In carburetion slurry, wherein catalytic slurry accounts for the 97.1wt% of total amount, and condensation of aluminum phosphate accounts for the 2.9wt% of total amount, and at 190 DEG C, use is general
Leading to after being stirred reaction 160min terminates, and obtains Modified catalytic slurry oil.
The condition that solvent deasphalting unit carries out solvent extraction extracting is added in Modified catalytic slurry oil after mixing with decompression residuum
With embodiment 1.The property of gained de-oiled asphalt is shown in Table 2.
Embodiment 3
Catalytic slurry accounts for the 99.7wt% of total amount, and condensation of aluminum phosphate (aluminium triphosphate, 600 mesh of fineness) accounts for the 0.3wt% of total amount,
Its condition obtains Modified catalytic slurry oil with embodiment 1.
The condition that solvent deasphalting unit carries out solvent extraction extracting is added in Modified catalytic slurry oil after mixing with decompression residuum
With embodiment 1.The property of gained de-oiled asphalt is shown in Table 2.
Embodiment 4
The powdery condensation of aluminum phosphate (aluminium triphosphate, 800 mesh of fineness) in embodiment 1 is only changed to powdered acid silicon curing agent
(1300 mesh of fineness, moisture≤0.8%, similarly hereinafter), the other the same as in Example 1.The property of gained de-oiled asphalt is shown in Table 2.
Embodiment 5
The condition of modified slurry oil is prepared with embodiment 1, only changes powdery condensation of aluminum phosphate (aluminium triphosphate, 800 mesh of fineness)
For powdered acid silicon curing agent (1300 mesh of fineness, moisture≤0.8wt%) and condensation of aluminum phosphate (aluminium triphosphate, fineness 800
Mesh), and the 2.0wt% that condensation of aluminum phosphate accounts for total amount is changed to the 2.0wt% that silicon phosphate curing agent and condensation of aluminum phosphate account for total amount altogether,
Specially the silicon phosphate curing agent 1.2wt% that accounts for total amount, condensation of aluminum phosphate account for the 0.8wt% of total amount,
Modified catalytic slurry oil is added solvent deasphalting unit and carries out the condition of solvent extraction extracting with real after mixing with decompression residuum
Apply example 1.The property of gained de-oiled asphalt is shown in Table 2.
Embodiment 6
Catalytic slurry accounts for the 97.0wt% of total amount, and silicon phosphate curing agent accounts for the 3.0wt% of total amount, and other conditions are obtained with embodiment 4
Modified catalytic slurry oil.
By above-mentioned Modified catalytic slurry oil and reduced crude (25 DEG C of density 0.986g/cm3, 34.0 DEG C of softening point, flash-point 203
DEG C, similarly hereinafter) mixing after be added in solvent deasphalting unit, mixing temperature be 120 DEG C, solvent for use is propane, wherein to change
Property catalytic slurry and mixtures of residua material gross mass on the basis of, as mass fraction, Modified catalytic slurry oil ratio accounts for 13wt %,
Then it carries out solvent extraction and extracts light component, the condition of solvent extraction extracting are as follows: propane solvent is with Modified catalytic slurry oil and often
The volume ratio for pressing residual oil is 6:1, pressure 4.0MPa, and extraction tower top temperature is 70 DEG C, and column bottom temperature is 62 DEG C, and the residence time is
15min.The property of gained de-oiled asphalt is shown in Table 3.
Embodiment 7
Catalytic slurry accounts for the 99.6wt% of total amount, and silicon phosphate curing agent accounts for the 0.4wt% of total amount, and other conditions are obtained with embodiment 6
Modified catalytic slurry oil.
The condition that solvent deasphalting unit carries out solvent extraction extracting is added in Modified catalytic slurry oil after mixing with reduced crude
With embodiment 6.The property of gained de-oiled asphalt is shown in Table 3.
Embodiment 8
The silicon phosphate curing agent in embodiment 6 is only changed to powdery condensation of aluminum phosphate (aluminium triphosphate, 800 mesh of fineness),
It is the same as embodiment 6.The property of gained de-oiled asphalt is shown in Table 3.
Embodiment 9
The condition of modified slurry oil is prepared with embodiment 6, the 3.0wt% that silicon phosphate curing agent accounts for total amount is only changed to silicon phosphate and is consolidated
Agent (1300 mesh of fineness, moisture≤0.8%) and condensation of aluminum phosphate (aluminium triphosphate, 800 mesh of fineness) account for total amount altogether
The 1.5wt% that 3.0wt%, specially silicon phosphate curing agent account for total amount, condensation of aluminum phosphate account for the 1.5wt% of total amount,
Modified catalytic slurry oil is added solvent deasphalting unit and carries out the condition of solvent extraction extracting with real after mixing with reduced crude
Apply example 6.The property of gained de-oiled asphalt is shown in Table 3.
Comparative example 1
Condition is only added without modifying agent in slurry oil with embodiment 1, obtains comparison slurry oil.
Solvent deasphalting unit is added after the comparison slurry oil of heat treatment is mixed with decompression residuum and carries out solvent extraction pumping
The condition mentioned is shown in Table 2 with embodiment 1, the property of resulting de-oiled asphalt.
Comparative example 2
Condition is only added without modifying agent in slurry oil with embodiment 6, obtains comparison slurry oil.
Solvent deasphalting unit is added after the comparison slurry oil of heat treatment is mixed with reduced crude and carries out solvent extraction pumping
The condition mentioned is shown in Table 3 with embodiment 6, the property of resulting de-oiled asphalt.
The dosage of modifying agent used in 1 embodiment of table and comparative example
| Embodiment | Condensation of aluminum phosphate, wt% | Silicon phosphate curing agent, wt% |
| Embodiment 1 | 2.0 | - |
| Embodiment 2 | 2.9 | - |
| Embodiment 3 | 0.3 | - |
| Embodiment 4 | - | 2.0 |
| Embodiment 5 | 0.8 | 1.2 |
| Embodiment 6 | - | 3.0 |
| Embodiment 7 | - | 0.4 |
| Embodiment 8 | 3.0 | - |
| Embodiment 9 | 1.5 | 1.5 |
| Comparative example 1 | - | - |
| Comparative example 2 | - | - |
The property of de-oiled asphalt obtained by 2 embodiment of table and comparative example
| Project | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 |
| Needle penetration (25 DEG C)/0.1mm | 20 | 18 | 24 | 21 | 20 | 26 |
| Softening point/DEG C | 82.3 | 84.6 | 78.0 | 80.9 | 82.4 | 76.2 |
| Ductility (25 DEG C)/cm | 42 | 38 | 45 | 41 | 44 | 40 |
| Flash-point/DEG C | 322 | 314 | 319 | 318 | 327 | 310 |
| Penetration index (PI) | 2.51 | 2.59 | 2.31 | 2.43 | 2.62 | 2.23 |
| TFOT(163℃,5h) | ||||||
| Penetration ratio, % | 72.5 | 73.0 | 70.9 | 72.1 | 73.0 | 70.2 |
The property of de-oiled asphalt obtained by 3 embodiment of table and comparative example
| Project | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 | Comparative example 2 |
| Needle penetration (25 DEG C)/0.1mm | 43 | 49 | 46 | 42 | 51 |
| Softening point/DEG C | 57.4 | 55.6 | 57.4 | 59.0 | 54.8 |
| Ductility (25 DEG C)/cm | 129 | 130 | 133 | 135 | 122 |
| Flash-point/DEG C | 309 | 301 | 312 | 315 | 290 |
| Penetration index (PI) | 0.14 | 0.06 | 0.29 | 0.41 | -0.02 |
| TFOT(163℃,5h) | |||||
| Penetration ratio, % | 72.6 | 68.0 | 72.7 | 73.0 | 67.0 |
Claims (10)
1. a kind of utilization method of catalytic slurry, comprising:
(1) modifying agent is added in catalytic slurry, Modified catalytic slurry oil is made in stirring；
(2) enter solvent deasphalting unit after mixing the resulting Modified catalytic slurry oil of step (1) with residual oil, taken out through solvent extraction
De-oiled asphalt is obtained after proposing light component；
Wherein, on the basis of step (1) total raw material quality, as mass fraction,
Catalytic slurry: 95.0%~99.9%, preferably 97.0%~99.8%；
Modifying agent: 0.1%~5.0%, preferably 0.2%~3.0%；
The modifying agent is one of condensation of aluminum phosphate and silicon phosphate curing agent or a variety of.
2. according to the method for claim 1, it is characterised in that: in step (1), modifying agent is added to and is heated to 140 DEG C
It in~200 DEG C of catalytic slurry, is preferably added to and is heated in 150 DEG C~190 DEG C catalytic slurries, the time of the stirring is
It 0.5~5.0 hour, preferably stirs 1.0~4.0 hours, the stirring carries out at 160 DEG C~200 DEG C, preferably 170 DEG C~
It is stirred at 190 DEG C.
3. according to the method for claim 1, it is characterised in that: in step (1), the modifying agent be condensation of aluminum phosphate and
Silicon phosphate curing agent, wherein the mass ratio of condensation of aluminum phosphate and silicon phosphate curing agent be (1:9)~(9:1), preferably (3:7)~
(7:3).
4. according to method described in claim 1 or 3, it is characterised in that: the condensation of aluminum phosphate is aluminium triphosphate, modification
One of aluminium triphosphate, aluminium dihydrogen tripolyphosphate are a variety of, and the fineness of the condensation of aluminum phosphate is 325 mesh or more；Institute
The fineness for stating silicon phosphate curing agent is 1000 mesh or more, moisture≤0.8wt%.
5. according to the method for claim 1, it is characterised in that: in step (2), the residual oil is decompression residuum and normal pressure
One or both of residual oil；The solvent be selected from C3 ~ C6 alkane, preferably one of propane, butane and pentane or
A variety of mixtures.
6. according to the method for claim 1, it is characterised in that: in step (2), with Modified catalytic slurry oil and mixtures of residua
On the basis of the gross mass of material, as mass fraction, including following raw material components:
Residual oil: 70%~99%, preferably 80%~97%；
Modified catalytic slurry oil: 1%~30%, preferably 3%~20%.
7. according to the method for claim 1, it is characterised in that: the resulting Modified catalytic slurry oil of step (1) is mixed with residual oil
Temperature be 80 DEG C~200 DEG C, preferably 100 DEG C~180 DEG C.
8. according to the method for claim 1, it is characterised in that: in step (2), solvent-extracted condition are as follows: according to volume
Than solvent ratio is 3:1~12:1, and preferably 4:1~7:1, pressure is 2MPa~6MPa, preferably 3MPa~5MPa, tower top temperature
It is 55 DEG C~200 DEG C, preferably 60 DEG C~198 DEG C, column bottom temperature is 50 DEG C~195 DEG C, preferably 55 DEG C~190 DEG C, wherein
Column bottom temperature is 5 DEG C ~ 20 DEG C lower than tower top temperature, and preferably 7 DEG C~15 DEG C, the residence time is 8min~40min, preferably 10min
~30min.
9. according to the method for claim 1, it is characterised in that: resulting de-oiled asphalt used as hard road bitumen or
Raw material as blending road asphalt.
10. according to the method for claim 1, it is characterised in that: the catalytic slurry be distillate catalytic cracked oil pulp,
Oil slurry from catalytically cracked heavy oil, Residue Catalytic Cracking slurry oil or distillate mix one or more of refining Residue Catalytic Cracking slurry oil；
Wherein the residual oil includes one or more of reduced crude and decompression residuum, and the heavy oil is that crude oil handles to obtain through plug
Heavy oil, distillate includes one or more of vacuum gas oil (VGO) and AGO (atmospheric gas oil).
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| CN105273421A (en) * | 2014-07-23 | 2016-01-27 | 中国石油大学(华东) | Catalytic slurry oil utilization method |
| JP2016176033A (en) * | 2015-03-20 | 2016-10-06 | Ｊｘエネルギー株式会社 | Hard asphalt composition, goose asphalt mixture and manufacturing method therefor |
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|---|---|---|---|---|
| US4207117A (en) * | 1975-10-17 | 1980-06-10 | Mobil Oil Corporation | Asphaltic compositions |
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