CN107983399A - A kind of FCC catalysts and preparation method thereof - Google Patents
A kind of FCC catalysts and preparation method thereof Download PDFInfo
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- CN107983399A CN107983399A CN201711476440.4A CN201711476440A CN107983399A CN 107983399 A CN107983399 A CN 107983399A CN 201711476440 A CN201711476440 A CN 201711476440A CN 107983399 A CN107983399 A CN 107983399A
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- molecular sieve
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- fcc catalysts
- alkaline polymerization
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/08—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the faujasite type, e.g. type X or Y
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/40—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of the pentasil type, e.g. types ZSM-5, ZSM-8 or ZSM-11, as exemplified by patent documents US3702886, GB1334243 and US3709979, respectively
-
- 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
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
- B01J29/06—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof
- B01J29/70—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof of types characterised by their specific structure not provided for in groups B01J29/08 - B01J29/65
- B01J29/7011—MAZ-type, e.g. Mazzite, Omega, ZSM-4 or LZ-202
-
- 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
Abstract
The invention belongs to catalyst preparation technical field, more particularly to a kind of FCC catalysts, including aqueous molecular sieve, clay, aluminium stone and alkaline polymerization liquor alumini chloridi, in terms of the dry weight of catalyst slurry, contain molecular sieve 12 15% in catalyst slurry, clay accounts for 66 80%, and aluminium stone accounts for 3 5%, and alkaline polymerization liquor alumini chloridi accounts for 15 20%.The present invention need not be beaten, it is not necessary to be ground, Direct spraying drying, then calcining, can reach the anti-wear energy that a kind of microballoon FCC catalyst ad eundem is disclosed with Chinese patent CN104549551A, and due to easy to operate, it is adapted to machinery production, easy to industrial application.
Description
Technical field
The invention belongs to catalysis technical field, more particularly to a kind of FCC catalysts and its preparation side
Method.
Background technology
Important component of the FCC catalysts as catalytic cracking, in decades with the continuous of its own
Improve and promote catalytic cracking technology constantly to advance.Existing catalyst it is anti-wear poor, therefore, during use,
The amount of ceaselessly more raw catelyst is needed, is also polluted the environment so as to increase energy consumption, the fine powder that in addition catalyst abrasion produces
The equipment such as follow-up smoke machine may be impacted, it is unfavorable to the long-term operation of catalytic cracking unit.
In view of the above problems, Chinese patent CN104549551A discloses a kind of preparation method of microballoon FCC catalyst, should
The wear resistance of FCC catalyst prepared by method greatly increases, but the technique that the invention prepares FCC catalyst is more multiple
Miscellaneous, condition is more harsh, and is spray-dried needs and is carried out in specific machine, puts before spray drying in processing procedure,
Need to grind, be beaten, the required precision of this two procedures is higher, is unfavorable for industrialized production, is not easy to extend to industrial production
In.
The content of the invention
It is an object of the present invention to overcome the above-mentioned technical problems, and to provide a kind of FCC catalysts and its system
It is standby, it is anti-wear with the microballoon FCC catalyst ad eundem of Chinese patent CN104549551A that can reach, and prepare work
Skill is simply very much, mechanized operation easy to implement in industrialized production.
The technical solution for solving above-mentioned technical problem is as follows：
A kind of FCC catalysts, including aqueous molecular sieve, clay, aluminium stone and alkaline polymerization aluminium chloride are molten
Liquid, in terms of the dry weight of catalyst slurry, contains molecular sieve 12-15 weight %, clay accounts for 66-80 weights in the catalyst slurry
% is measured, aluminium stone accounts for 3-5 weight %, and alkaline polymerization liquor alumini chloridi accounts for 15-20 weight %.
Further say, in terms of the dry weight of catalyst slurry, 13 weight % of molecular sieve contained in the catalyst slurry,
Clay accounts for 67 weight %, and aluminium stone accounts for 4 weight %, and alkaline polymerization liquor alumini chloridi accounts for 16 weight %.
Further say, the molecular sieve for the molecular sieve with FAU structures, the molecular sieve with MAZ structures, with
One or more in the molecular sieve of MFI structure, the molecular sieve with BEA structures.
Further say, the clay is kaolin.
Further say, the structure of the alkaline polymerization liquor alumini chloridi is [Al2(OH)2xCl6-x]y, wherein 2≤x≤
3,1≤y≤4, pH value 9-10.
Preferably, the y is 1,2,3 or 4.
Preferably, the x is 2.8.
The preparation method of the FCC catalysts, comprises the following steps：
Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, it is equal then to add clay mixing
It is even, aluminium stone and alkaline polymerization liquor alumini chloridi are then added, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000
Centipoise, spray-dried, then calcining, the inlet temperature of the spray drying is 500-550 DEG C, the temperature of the calcining
For 1000-1200 DEG C, when Drying Time of Vertical Spray Dryer is 3-4 small, when calcination time is 1-3 small.
Beneficial effects of the present invention are：
FCC catalysts prepared by the present invention need not be beaten, it is not necessary to grind, Direct spraying drying, with
After calcine, can reach and disclose a kind of the anti-wear of microballoon FCC catalyst ad eundem with Chinese patent CN104549551A
Can, and due to easy to operate, suitable machinery production, easy to industrial application.
Embodiment
The present invention will be further described in detail with reference to the specific embodiments.
Embodiment 1：
A kind of FCC catalysts, including aqueous molecular sieve, kaolin, aluminium stone and alkaline polymerization aluminium chloride are molten
Liquid, in terms of the dry weight of catalyst slurry, contains 12 weight % of molecular sieve in the catalyst slurry, clay accounts for 70 weight %,
Aluminium stone accounts for 3 weight %, and alkaline polymerization liquor alumini chloridi accounts for 15 weight %.
Molecular sieve is the molecular sieve with FAU structures.
The structure of alkaline polymerization liquor alumini chloridi is Al2(OH)2xCl6-x, wherein x is 2.8, pH value 9-10.
The preparation method of the FCC catalysts, comprises the following steps：
Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, it is equal then to add clay mixing
It is even, aluminium stone and alkaline polymerization liquor alumini chloridi are then added, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000
Centipoise, spray-dried, then calcining, the inlet temperature of spray drying is 500 DEG C, and the temperature of calcining is 1200 DEG C, and spraying is dry
When the dry time is 3 small, when calcination time is 1 small.
Embodiment 2：
A kind of FCC catalysts, including aqueous molecular sieve, kaolin, aluminium stone and alkaline polymerization aluminium chloride are molten
Liquid, in terms of the dry weight of catalyst slurry, contains 14 weight % of molecular sieve, clay accounts for 66 weight %, and aluminium stone accounts for 5 in catalyst slurry
Weight %, alkaline polymerization liquor alumini chloridi account for 15 weight %.
Molecular sieve is the molecular sieve with MAZ structures.
The structure of alkaline polymerization liquor alumini chloridi is [Al2(OH)2xCl6-x]2, wherein x is 2, pH value 9-10.
The preparation method of the FCC catalysts, comprises the following steps：
Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, it is equal then to add clay mixing
It is even, aluminium stone and alkaline polymerization liquor alumini chloridi are then added, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000
Centipoise, spray-dried, then calcining, the inlet temperature of spray drying is 550 DEG C, and the temperature of calcining is 1000 DEG C, and spraying is dry
When the dry time is 4 small, when calcination time is 3 small.
Embodiment 3：
A kind of FCC catalysts, including aqueous molecular sieve, kaolin, aluminium stone and alkaline polymerization aluminium chloride are molten
Liquid, in terms of the dry weight of catalyst slurry, contains 13 weight % of molecular sieve, clay accounts for 67 weight %, and aluminium stone accounts for 4 in catalyst slurry
Weight %, alkaline polymerization liquor alumini chloridi account for 16 weight %.
Molecular sieve is the molecular sieve with MFI structure.
The structure of alkaline polymerization liquor alumini chloridi is [Al2(OH)2xCl6-x]3, wherein x is 3, pH value 9-10.
The preparation method of the FCC catalysts, comprises the following steps：
Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, it is equal then to add clay mixing
It is even, aluminium stone and alkaline polymerization liquor alumini chloridi are then added, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000
Centipoise, spray-dried, then calcining, the inlet temperature of the spray drying is 520 DEG C, and the temperature of the calcining is
1100 DEG C, when Drying Time of Vertical Spray Dryer is 3.5 small, when calcination time is 2 small.
Embodiment 4：
A kind of FCC catalysts, including aqueous molecular sieve, kaolin, aluminium stone and alkaline polymerization aluminium chloride are molten
Liquid, in terms of the dry weight of catalyst slurry, contains 12 weight % of molecular sieve, clay accounts for 68 weight %, and aluminium stone accounts for 4 in catalyst slurry
Weight %, alkaline polymerization liquor alumini chloridi account for 16 weight %.
Molecular sieve is the molecular sieve with MFI structure, the mixture of the molecular sieve with BEA structures.
The structure of alkaline polymerization liquor alumini chloridi is [Al2(OH)2xCl6-x]4, wherein x is 2.5, pH value 9-10.
The preparation method of the FCC catalysts, comprises the following steps：
Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, it is equal then to add clay mixing
It is even, aluminium stone and alkaline polymerization liquor alumini chloridi are then added, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000
Centipoise, spray-dried, then calcining, the inlet temperature of spray drying is 540 DEG C, and the temperature of calcining is 1150 DEG C, and spraying is dry
When the dry time is 3 small, when calcination time is 2 small.
The above, is only presently preferred embodiments of the present invention, not does limitation in any form to the present invention, it is every according to
Any simply modification, the equivalent variations made in technical spirit according to the present invention to above example, each fall within the guarantor of the present invention
Within the scope of shield.
Claims (8)
- A kind of 1. FCC catalysts, it is characterised in that：Including aqueous molecular sieve, clay, aluminium stone and alkaline polymerization Liquor alumini chloridi, in terms of the dry weight of catalyst slurry, contains molecular sieve 12-15 weight %, clay in the catalyst slurry 66-80 weight % are accounted for, aluminium stone accounts for 3-5 weight %, and alkaline polymerization liquor alumini chloridi accounts for 15-20 weight %.
- 2. FCC catalysts according to claim 1, it is characterised in that with the dry weight of catalyst slurry Count, contain 13 weight % of molecular sieve in the catalyst slurry, clay accounts for 67 weight %, and aluminium stone accounts for 4 weight %, alkaline polymerization Liquor alumini chloridi accounts for 16 weight %.
- 3. FCC catalysts according to claim 1 or 2, it is characterised in that the molecular sieve is tool There are molecular sieve, the molecular sieve with MAZ structures, the molecular sieve with MFI structure, the molecular sieve with BEA structures of FAU structures In one or more.
- 4. FCC catalysts according to claim 1 or 2, it is characterised in that the clay is kaolinite Soil.
- 5. FCC catalysts according to claim 1 or 2, it is characterised in that the alkaline polymerization chlorine The structure for changing aluminum solutions is [Al2(OH)2xCl6-x]y, wherein 2≤x≤3,1≤y≤4, pH value 9-10.
- 6. FCC catalysts according to claim 5, it is characterised in that the y is 1,2,3 or 4.
- 7. FCC catalysts according to claim 5, it is characterised in that the x is 2.8.
- 8. according to the preparation method of claim 1-2 any one of them FCC catalysts, it is characterised in that should Method comprises the following steps：Molecular sieve and deionized water are mixed and made into molecular sieve pulp, concentration 50g/L, then adds clay and be uniformly mixed, so After add aluminium stone and alkaline polymerization liquor alumini chloridi, the viscosity for controlling alkaline polymerization liquor alumini chloridi is 4000-6000 centipoises, Spray-dried, then calcining, the inlet temperature of the spray drying is 500-550 DEG C, and the temperature of the calcining is 1000-1200 DEG C, when Drying Time of Vertical Spray Dryer is 3-4 small, when calcination time is 1-3 small.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711476440.4A CN107983399A (en) | 2017-12-29 | 2017-12-29 | A kind of FCC catalysts and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711476440.4A CN107983399A (en) | 2017-12-29 | 2017-12-29 | A kind of FCC catalysts and preparation method thereof |
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| CN107983399A true CN107983399A (en) | 2018-05-04 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0546740A1 (en) * | 1991-12-12 | 1993-06-16 | Mobil Oil Corporation | Method of treating natural gas |
| US20060003891A1 (en) * | 2004-06-30 | 2006-01-05 | Tao Zhang | Spent FCC catalyst based coagulating and flocculating agent and method for making it |
| CN101829592A (en) * | 2009-03-10 | 2010-09-15 | 中国石油天然气股份有限公司 | Preparation method of fluidizing, catalyzing and cracking catalyst with high solid content |
| CN104549551A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for preparing microsphere FCC (fluid catalytic cracking) catalyst |
| CN106925335A (en) * | 2015-12-29 | 2017-07-07 | 中国石油天然气股份有限公司 | A kind of catalytic cracking catalyst of preventing from heavy metal and preparation method thereof |
-
2017
- 2017-12-29 CN CN201711476440.4A patent/CN107983399A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0546740A1 (en) * | 1991-12-12 | 1993-06-16 | Mobil Oil Corporation | Method of treating natural gas |
| US20060003891A1 (en) * | 2004-06-30 | 2006-01-05 | Tao Zhang | Spent FCC catalyst based coagulating and flocculating agent and method for making it |
| CN101829592A (en) * | 2009-03-10 | 2010-09-15 | 中国石油天然气股份有限公司 | Preparation method of fluidizing, catalyzing and cracking catalyst with high solid content |
| CN101829592B (en) * | 2009-03-10 | 2012-07-18 | 中国石油天然气股份有限公司 | Preparation method of fluidizing, catalyzing and cracking catalyst with high solid content |
| CN104549551A (en) * | 2013-10-28 | 2015-04-29 | 中国石油化工股份有限公司 | Method for preparing microsphere FCC (fluid catalytic cracking) catalyst |
| CN106925335A (en) * | 2015-12-29 | 2017-07-07 | 中国石油天然气股份有限公司 | A kind of catalytic cracking catalyst of preventing from heavy metal and preparation method thereof |
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