CN107377000A - A kind of preparation method of heavy oil pyrolysis catalyst - Google Patents
A kind of preparation method of heavy oil pyrolysis catalyst Download PDFInfo
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- CN107377000A CN107377000A CN201710634064.0A CN201710634064A CN107377000A CN 107377000 A CN107377000 A CN 107377000A CN 201710634064 A CN201710634064 A CN 201710634064A CN 107377000 A CN107377000 A CN 107377000A
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- 239000003054 catalyst Substances 0.000 title claims abstract description 35
- 238000000197 pyrolysis Methods 0.000 title claims abstract description 32
- 239000000295 fuel oil Substances 0.000 title claims abstract description 31
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 238000003756 stirring Methods 0.000 claims abstract description 53
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000005406 washing Methods 0.000 claims abstract description 21
- 108010073178 Glucan 1,4-alpha-Glucosidase Proteins 0.000 claims abstract description 14
- 102100022624 Glucoamylase Human genes 0.000 claims abstract description 14
- 235000011114 ammonium hydroxide Nutrition 0.000 claims abstract description 13
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000002808 molecular sieve Substances 0.000 claims abstract description 12
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 11
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 11
- 229910001593 boehmite Inorganic materials 0.000 claims abstract description 9
- FAHBNUUHRFUEAI-UHFFFAOYSA-M hydroxidooxidoaluminium Chemical compound O[Al]=O FAHBNUUHRFUEAI-UHFFFAOYSA-M 0.000 claims abstract description 9
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims abstract description 8
- 238000002156 mixing Methods 0.000 claims description 17
- 239000002253 acid Substances 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 10
- 238000001354 calcination Methods 0.000 claims description 9
- 239000008367 deionised water Substances 0.000 claims description 9
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 238000001291 vacuum drying Methods 0.000 claims description 9
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 6
- 239000011734 sodium Substances 0.000 claims description 6
- 229910052708 sodium Inorganic materials 0.000 claims description 6
- 238000002604 ultrasonography Methods 0.000 claims description 3
- 238000006555 catalytic reaction Methods 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 230000001476 alcoholic effect Effects 0.000 claims 1
- 238000001914 filtration Methods 0.000 claims 1
- 229920005610 lignin Polymers 0.000 claims 1
- 239000011148 porous material Substances 0.000 abstract description 9
- 150000001336 alkenes Chemical class 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000003921 oil Substances 0.000 description 6
- 229920001732 Lignosulfonate Polymers 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 229910052622 kaolinite Inorganic materials 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010306 acid treatment Methods 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000002283 diesel fuel Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J31/00—Catalysts comprising hydrides, coordination complexes or organic compounds
- B01J31/26—Catalysts comprising hydrides, coordination complexes or organic compounds containing in addition, inorganic metal compounds not provided for in groups B01J31/02 - B01J31/24
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/08—Heat treatment
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/34—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation
- B01J37/341—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation
- B01J37/343—Irradiation by, or application of, electric, magnetic or wave energy, e.g. ultrasonic waves ; Ionic sputtering; Flame or plasma spraying; Particle radiation making use of electric or magnetic fields, wave energy or particle radiation of ultrasonic wave energy
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/36—Biochemical methods
-
- 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
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
- C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Physics & Mathematics (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- General Chemical & Material Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Biochemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Optics & Photonics (AREA)
- Health & Medical Sciences (AREA)
- Plasma & Fusion (AREA)
- Toxicology (AREA)
- Thermal Sciences (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention discloses a kind of preparation method of heavy oil pyrolysis catalyst, comprise the following steps：Sodium lignin sulfonate, water are stirred, glucoamylase is added and is ultrasonically treated, be evaporated under reduced pressure, kaolin, ethanol solution stirring is added, filters, wash, be dried in vacuo, crush, add boehmite, water stirs to obtain prefabricated material；It is 1 1.6 by prefabricated material regulation pH value, stirring, it is 6 6.8 to add ammoniacal liquor regulation pH value, curing, adds molecular sieve stirring, dries, calcine, washing, be dried to obtain heavy oil pyrolysis catalyst.The preparation method of heavy oil pyrolysis catalyst proposed by the present invention, gained catalyst have big pore volume, pore distribution concentration, are advantageous to dregs of fat macromolecular and are reacted into duct, and olefins yield is high.
Description
Technical field
The present invention relates to catalyst technical field, more particularly to a kind of preparation method of heavy oil pyrolysis catalyst.
Background technology
At present, more than 90% waste oil is purchased by small oil plant, and is added using waste oil pyrolysis recycle production technology of poor quality
Work is that inferior petrol and diesel oil or the oil that makes a fire are used up, and these factories that illegally extract oil by indigenous method are the illegal enterprises that country prohibites, and by
Severe control.In existing waste oil production technology, also be present the problem of pore volume is small, olefins yield is low in the catalyst of use, cause
Diesel regenerated poor quality, yield is low, and pollution is big, and production cost is high.
The content of the invention
Based on technical problem existing for background technology, the present invention proposes a kind of preparation side of heavy oil pyrolysis catalyst
Method, gained catalyst have big pore volume, pore distribution concentration, are advantageous to dregs of fat macromolecular and are reacted into duct, olefins yield
It is high.
A kind of preparation method of heavy oil pyrolysis catalyst proposed by the present invention, comprises the following steps：
S1, by sodium lignin sulfonate, water stir, add glucoamylase be ultrasonically treated, be evaporated under reduced pressure, add kaolinite
Soil, ethanol solution stirring, filter, wash, be dried in vacuo, crush, and add boehmite, water stirs to obtain prefabricated material；
S2, by prefabricated material regulation pH value be 1-1.6, stirring, add ammoniacal liquor regulation pH value be 6-6.8, cure, addition molecule
Sieve stirring, is dried, and is calcined, and washing, is dried to obtain heavy oil pyrolysis catalyst.
Preferably, in S1, sodium lignin sulfonate, water is stirred into 20-50min, glucoamylase is added and is ultrasonically treated 40-
100min, ultrasonic temperature are 40-50 DEG C, ultrasonic power 30-50W, are evaporated under reduced pressure, add kaolin, concentration 40-50wt%
Ethanol solution stirs 10-20min, filters, washing, 60-70 DEG C of vacuum drying, crushes, and adds boehmite, water stirring 20-
50min, mixing speed 1400-2500r/min, obtain prefabricated material.
Preferably, in S1,2-10 parts sodium lignin sulfonate, 30-60 parts water is stirred into 20-50min by weight, added
0.001-0.007 parts glucoamylase is ultrasonically treated 40-100min, and ultrasonic temperature is 40-50 DEG C, ultrasonic power 30-
50W, it is evaporated under reduced pressure, adds 20-40 parts kaolin, 40-60 parts concentration is that 40-50wt% ethanol solutions stir 10-20min, mistake
Filter, washing, 60-70 DEG C of vacuum drying, crush, add 40-80 parts boehmite, 40-60 parts water stirring 20-50min, stirring
Speed is 1400-2500r/min, obtains prefabricated material.
Preferably, in S2, it for 15-25wt% salt acid for adjusting pH value is 1-1.6 that prefabricated material is used into concentration, stirs 15-
25min, it is 6-6.8 to add ammoniacal liquor regulation pH value, cures 5-10h, adds molecular sieve stirring 15-35min, and mixing speed is
12000-14000r/min, dry, 700-800 DEG C of calcining 10-20h, deionized water washing, be dried to obtain heavy oil pyrolysis catalysis
Agent.
Preferably, in S2, the concentration is used to be for 15-25wt% salt acid for adjusting pH value in the prefabricated material of 80-100 parts by weight
1-1.6,15-25min is stirred, it is 6-6.8 to add ammoniacal liquor regulation pH value, cures 5-10h, adds the stirring of 100-140 parts molecular sieve
15-35min, mixing speed 12000-14000r/min, dry, 700-800 DEG C of calcining 10-20h, deionized water washing, do
It is dry to obtain heavy oil pyrolysis catalyst.
For the present invention using sodium lignin sulfonate under glucoamylase and supersonic synergetic effect, appropriateness enzymolysis causes chemistry
Key is broken, and by rationally controlling ultrasound condition, system temperature is increased to a certain degree, and product chemical bond rupture is moderate, table
Face tension force reduces substantially, fabulous with kaolinic dispersiveness, coordinates with boehmite, under high velocity agitation, not only each other
Degree of scatter is high, and blocking microporous impurity is eliminated, and partial pore hole wall is destroyed or is changed into transitional pore, uses salt
The acid centre of catalyst can be increased after acid treatment, and can makes the hole radial hole skew of catalyst, is advantageous to the dregs of fat and divides greatly
Son is reacted into duct, so that olefins yield improves, is further coordinated and is added molecular sieve, and rationally control proportioning, greatly
Pore volume, pore distribution concentration, olefins yield are high.
Embodiment
Below, technical scheme is described in detail by specific embodiment.
Embodiment 1
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1, by sodium lignin sulfonate, water stir, add glucoamylase be ultrasonically treated, be evaporated under reduced pressure, add kaolinite
Soil, ethanol solution stirring, filter, wash, be dried in vacuo, crush, and add boehmite, water stirs to obtain prefabricated material；
S2, by prefabricated material regulation pH value be 1-1.6, stirring, add ammoniacal liquor regulation pH value be 6-6.8, cure, addition molecule
Sieve stirring, is dried, and is calcined, and washing, is dried to obtain heavy oil pyrolysis catalyst.
Embodiment 2
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1,2 parts of sodium lignin sulfonates, 60 parts of water are stirred into 20min by weight, add 0.007 part of glucoamylase
40min is ultrasonically treated, ultrasonic temperature is 50 DEG C, ultrasonic power 30W, is evaporated under reduced pressure, and adds 40 parts of kaolin, 40 parts of concentration are
50wt% ethanol solutions stir 10min, filter, washing, 70 DEG C of vacuum drying, crush, add 40 parts of boehmites, 60 parts of water
20min is stirred, mixing speed 2500r/min, obtains prefabricated material；
S2,80 parts of prefabricated material are used into concentration by weight for 25wt% salt acid for adjusting pH value is 1-1.6, stirs 15min,
It is 6-6.8 to add ammoniacal liquor regulation pH value, cures 10h, adds 100 parts of molecular sieve stirrings 35min, mixing speed 12000r/
Min, dry, 800 DEG C of calcining 10h, deionized water washing, be dried to obtain heavy oil pyrolysis catalyst.
Embodiment 3
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1,10 parts of sodium lignin sulfonates, 30 parts of water are stirred into 50min by weight, add 0.001 part of glucoamylase
100min is ultrasonically treated, ultrasonic temperature is 40 DEG C, ultrasonic power 50W, is evaporated under reduced pressure, adds 20 parts of kaolin, 60 parts of concentration
For 40wt% ethanol solutions stir 20min, filter, washing, 60 DEG C vacuum drying, crush, add 80 parts of boehmites, 40 parts
Water stirs 50min, mixing speed 1400r/min, obtains prefabricated material；
S2,100 parts of prefabricated material are used into concentration by weight for 15wt% salt acid for adjusting pH value is 1-1.6, stirring
25min, it is 6-6.8 to add ammoniacal liquor regulation pH value, cures 5h, adds 140 parts of molecular sieve stirring 15min, and mixing speed is
14000r/min, dry, 700 DEG C of calcining 20h, deionized water washing, be dried to obtain heavy oil pyrolysis catalyst.
Embodiment 4
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1,4 parts of sodium lignin sulfonates, 50 parts of water are stirred into 30min by weight, add 0.006 part of glucoamylase
50min is ultrasonically treated, ultrasonic temperature is 48 DEG C, ultrasonic power 35W, is evaporated under reduced pressure, and adds 35 parts of kaolin, 45 parts of concentration are
48wt% ethanol solutions stir 12min, filter, washing, 68 DEG C of vacuum drying, crush, add 50 parts of boehmites, 55 parts of water
30min is stirred, mixing speed 2200r/min, obtains prefabricated material；
S2,85 parts of prefabricated material are used into concentration by weight for 22wt% salt acid for adjusting pH value is 1-1.6, stirs 18min,
It is 6-6.8 to add ammoniacal liquor regulation pH value, cures 8h, adds 110 parts of molecular sieves stirring 30min, mixing speed 12500r/min,
Dry, 780 DEG C of calcining 12h, deionized water washing, be dried to obtain heavy oil pyrolysis catalyst.
Embodiment 5
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1,8 parts of sodium lignin sulfonates, 40 parts of water are stirred into 40min by weight, add 0.002 part of glucoamylase
90min is ultrasonically treated, ultrasonic temperature is 42 DEG C, ultrasonic power 45W, is evaporated under reduced pressure, and adds 25 parts of kaolin, 55 parts of concentration are
42wt% ethanol solutions stir 18min, filter, washing, 62 DEG C of vacuum drying, crush, add 70 parts of boehmites, 45 parts of water
40min is stirred, mixing speed 1800r/min, obtains prefabricated material；
S2,95 parts of prefabricated material are used into concentration by weight for 18wt% salt acid for adjusting pH value is 1-1.6, stirs 22min,
It is 6-6.8 to add ammoniacal liquor regulation pH value, cures 6h, adds 130 parts of molecular sieves stirring 20min, mixing speed 13500r/min,
Dry, 720 DEG C of calcining 18h, deionized water washing, be dried to obtain heavy oil pyrolysis catalyst.
Embodiment 6
A kind of preparation method of heavy oil pyrolysis catalyst, comprises the following steps：
S1,6 parts of sodium lignin sulfonates, 45 parts of water are stirred into 35min by weight, add 0.004 part of glucoamylase
70min is ultrasonically treated, ultrasonic temperature is 45 DEG C, ultrasonic power 40W, is evaporated under reduced pressure, and adds 30 parts of kaolin, 50 parts of concentration are
45wt% ethanol solutions stir 15min, filter, washing, 65 DEG C of vacuum drying, crush, add 60 parts of boehmites, 50 parts of water
35min is stirred, mixing speed 2000r/min, obtains prefabricated material；
S2,90 parts of prefabricated material are used into concentration by weight for 20wt% salt acid for adjusting pH value is 1-1.6, stirs 20min,
It is 6-6.8 to add ammoniacal liquor regulation pH value, cures 7h, adds 120 parts of molecular sieves stirring 25min, mixing speed 13000r/min,
Dry, 750 DEG C of calcining 15h, deionized water washing, be dried to obtain heavy oil pyrolysis catalyst.
The foregoing is only a preferred embodiment of the present invention, but protection scope of the present invention be not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technique according to the invention scheme and its
Inventive concept is subject to equivalent substitution or change, should all be included within the scope of the present invention.
Claims (5)
1. a kind of preparation method of heavy oil pyrolysis catalyst, it is characterised in that comprise the following steps：
S1, by sodium lignin sulfonate, water stir, add glucoamylase be ultrasonically treated, be evaporated under reduced pressure, add kaolin, second
Alcoholic solution stirs, and filters, and washs, and is dried in vacuo, and crushes, and adds boehmite, water stirs to obtain prefabricated material；
S2, by prefabricated material regulation pH value be 1-1.6, stirring, add ammoniacal liquor regulation pH value be 6-6.8, cure, addition molecular sieve stir
Mix, dry, calcine, washing, be dried to obtain heavy oil pyrolysis catalyst.
2. the preparation method of heavy oil pyrolysis catalyst according to claim 1, it is characterised in that in S1, by sulfomethylated lignin
Sour sodium, water stirring 20-50min, add glucoamylase and be ultrasonically treated 40-100min, ultrasonic temperature is 40-50 DEG C, ultrasound
Power is 30-50W, is evaporated under reduced pressure, and addition kaolin, concentration are that 40-50wt% ethanol solutions stir 10-20min, filtering, are washed
Wash, 60-70 DEG C of vacuum drying, crush, add boehmite, water stirring 20-50min, mixing speed 1400-2500r/
Min, obtain prefabricated material.
3. the preparation method of heavy oil pyrolysis catalyst according to claim 1 or claim 2, it is characterised in that in S1, by weight
By 2-10 parts sodium lignin sulfonate, 30-60 parts water stirring 20-50min, 0.001-0.007 parts glucoamylase ultrasound is added
40-100min is handled, ultrasonic temperature is 40-50 DEG C, ultrasonic power 30-50W, is evaporated under reduced pressure, addition 20-40 parts kaolin,
40-60 parts concentration is that 40-50wt% ethanol solutions stir 10-20min, is filtered, washing, 60-70 DEG C of vacuum drying, crushes, adds
Enter 40-80 parts boehmite, 40-60 parts water stirring 20-50min, mixing speed 1400-2500r/min, obtain prefabricated
Material.
4. according to the preparation method of any one of the claim 1-3 heavy oil pyrolysis catalyst, it is characterised in that, will in S2
It for 15-25wt% salt acid for adjusting pH value is 1-1.6 that prefabricated material, which uses concentration, stirs 15-25min, adds ammoniacal liquor regulation pH value and is
6-6.8,5-10h is cured, add molecular sieve stirring 15-35min, mixing speed 12000-14000r/min, dry, 700-
800 DEG C of calcining 10-20h, deionized water washing, are dried to obtain heavy oil pyrolysis catalyst.
5. according to the preparation method of any one of the claim 1-4 heavy oil pyrolysis catalyst, it is characterised in that in S2, press
It for 15-25wt% salt acid for adjusting pH value is 1-1.6 that the prefabricated material of 80-100 parts is used concentration by parts by weight, stirs 15-25min, adds
It is 6-6.8 to enter ammoniacal liquor regulation pH value, cures 5-10h, adds 100-140 parts molecular sieve stirring 15-35min, and mixing speed is
12000-14000r/min, dry, 700-800 DEG C of calcining 10-20h, deionized water washing, be dried to obtain heavy oil pyrolysis catalysis
Agent.
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| CN201710634064.0A CN107377000A (en) | 2017-07-29 | 2017-07-29 | A kind of preparation method of heavy oil pyrolysis catalyst |
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134905A (en) * | 2006-08-30 | 2008-03-05 | 中国石油天然气股份有限公司 | Method for improving solid content of catalytic cracking catalyst slurry |
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- 2017-07-29 CN CN201710634064.0A patent/CN107377000A/en not_active Withdrawn
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101134905A (en) * | 2006-08-30 | 2008-03-05 | 中国石油天然气股份有限公司 | Method for improving solid content of catalytic cracking catalyst slurry |
Non-Patent Citations (1)
| Title |
|---|
| 禹邦超等: "《酶工程（第三版）》", 31 January 2014, 武汉：华中师范大学出版社 * |
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