CN105170196A - Preparation method for catalytic cracking catalysts - Google Patents
Preparation method for catalytic cracking catalysts Download PDFInfo
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- CN105170196A CN105170196A CN201510665693.0A CN201510665693A CN105170196A CN 105170196 A CN105170196 A CN 105170196A CN 201510665693 A CN201510665693 A CN 201510665693A CN 105170196 A CN105170196 A CN 105170196A
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Abstract
The invention provides a preparation method for catalytic cracking catalysts. The preparation method comprises the first step of uniformly mixing cracking activity components, clay, alumina sol, silica sol, a molecular sieve and deionized water and pulping the mixture to obtain mixed liquid, and the second step of conducting spray drying and ion exchange to obtain the catalytic cracking catalysts. The preparation method has the advantages that the operation process is easy, raw materials are cheap, large scale production can be achieved easily, and a reference basis is provided for preparation and production of industrial catalytic cracking catalysts.
Description
Technical field
The invention belongs to catalyst technical field, especially relate to a kind of preparation method of catalytic cracking catalyst.
Background technology
Catalyst for heavy oil catalytic cracking refers to the extraction oil obtained through solvent extraction with the distillate oil of the tar in petroleum refining industry, visbreaking, decompression residuum, through atmospheric residue and the decompression residuum of hydrotreatment, even the heavy oil component such as atmospheric residue and decompression residuum itself is raw material, carries out the catalyst of cracking reaction use.Heavy oil catalytic cracking process is called RFCC, belongs to the secondary processing process of petroleum refining.Catalyst for heavy oil catalytic cracking is the core technology of RFCC process, improve through the research and development for many years for heavy oil feedstock, its composition obtains complex mixture by various function ingredients, but still be the Cracking catalyst itself containing y-type zeolite, it plays main cracking function, other addO-on therapy (as combustion adjuvant, octane number agent, SOX transfer agent etc.), also can use as independent particulate additive.Reaction temperature 480-510 DEG C, the exploitation of pressure 0.2-0.35MPa catalyst for heavy oil catalytic cracking, be all improve residual oil mixed refining as far as possible than being datum mark, then take into account that the characteristics of personality such as different material character, device operating condition and the requirement of object product slates develop.Succeed in developing both at home and abroad, for industrial patent catalyst for heavy oil catalytic cracking product have kind hundreds of more than, the catalyst for heavy oil catalytic cracking of New function is still continuing to bring out.
Summary of the invention
The object of this invention is to provide a kind of preparation method being applicable to industrial catalytic cracking catalyst simple to operate, be especially applicable to the reprocessing of heavy oil.
Technical scheme of the present invention is: a kind of preparation method of catalytic cracking catalyst, is characterized in that: comprise the following steps:
(1) by cracking activity constituent element, clay, Alumina gel, Ludox, molecular sieve, deionized water mixes, pulling an oar obtains mixed serum;
(2) spraying dry, ion-exchange, obtained catalyst of the present invention.
Preferably, the concrete operation method of step (1) comprises the following steps:
(1) clay is mixed with deionized water, stir 10-20 minute;
(2) add Alumina gel, stir 20-40 minute;
(3) add ground molecular sieve pulp, stir 20-40 minute;
(4) add Ludox, stir 20-40 minute;
(5) add cracking activity constituent element, stir 10-20 minute.
Preferably, catalyst quality consists of 100 parts of meters, cracking activity constituent element 70-90 part, molecular sieve 3-5 part, clay 3-5 part, Alumina gel 3-5 part.
Preferably, described clay refers to one or more in kaolin, bentonite, galapectite, montmorillonite, dickite, sepiolite.
The advantage that the present invention has and good effect are:
1, preparation method's operating process of the present invention is simple, raw material is inexpensive, has advantages such as being easy to large-scale production, for the production of preparation industrialization catalytic cracking catalyst provides reference frame.
2, prepare the process environmental protection of catalytic cracking catalyst, obtained catalyst activity is high.
Detailed description of the invention
Embodiment 1:
The preparation method of a kind of catalytic cracking catalyst of the present embodiment: comprise the following steps:
Step one: prepare mixed serum:
(1) 3 parts of kaolin are mixed with deionized water, stir 20 minutes;
(2) add 3 parts of Alumina gel, stir 20 minutes;
(3) add 5 parts of ground Y zeolite slurries, stir 40 minutes;
(4) add 5 parts of Ludox, stir 40 minutes;
(5) add 84 parts of cracking activity constituent elements, stir 20 minutes.
Step 2: spraying dry, spray-dired fire box temperature controls at about 500 degree, and ion-exchange adopts acid to exchange, and pH value is 3, exchanges 5 hours, obtained catalyst of the present invention.
Embodiment 2:
The preparation method of a kind of catalytic cracking catalyst of the present embodiment: comprise the following steps:
Step one: prepare mixed serum:
(1) 5 parts of kaolin are mixed with deionized water, stir 20 minutes;
(2) add 5 parts of Alumina gel, stir 40 minutes;
(3) add 5 parts of ground X-type molecular sieve slurries, stir 40 minutes;
(4) add 5 parts of Ludox, stir 40 minutes;
(5) add 80 parts of cracking activity constituent elements, stir 20 minutes.
Step 2: spraying dry, spray-dired fire box temperature controls at about 550 degree, and ion-exchange adopts acid to exchange, and pH value is 3, exchanges 4 hours, obtained catalyst of the present invention.
Embodiment 3:
The preparation method of a kind of catalytic cracking catalyst of the present embodiment: comprise the following steps:
Step one: prepare mixed serum:
(1) 5 parts of bentonites are mixed with deionized water, stir 20 minutes;
(2) add 5 parts of Alumina gel, stir 30 minutes;
(3) add 5 parts of ground ZSM-5 molecular sieve slurries, stir 30 minutes;
(4) add 5 parts of Ludox, stir 40 minutes;
(5) add 80 parts of cracking activity constituent elements, stir 20 minutes.
Step 2: spraying dry, spray-dired fire box temperature controls at about 550 degree, and ion-exchange adopts acid to exchange, and pH value is 3, exchanges 3 hours, obtained catalyst of the present invention.
Embodiment 4:
The preparation method of a kind of catalytic cracking catalyst of the present embodiment: comprise the following steps:
Step one: prepare mixed serum:
(1) 5 parts of bentonites are mixed with deionized water, stir 15 minutes;
(2) add 4 parts of Alumina gel, stir 30 minutes;
(3) add 4 parts of ground ZSM-5 molecular sieve slurries, stir 30 minutes;
(4) add 5 parts of Ludox, stir 40 minutes;
(5) add 82 parts of cracking activity constituent elements, stir 20 minutes.
Step 2: spraying dry, spray-dired fire box temperature controls at about 500 degree, and ion-exchange adopts acid to exchange, and pH value is 3.5, exchanges 3 hours, obtained catalyst of the present invention.
Embodiment 5:
The preparation method of a kind of catalytic cracking catalyst of the present embodiment: comprise the following steps:
Step one: prepare mixed serum:
(1) 5 parts of bentonites are mixed with deionized water, stir 15 minutes;
(2) add 4 parts of Alumina gel, stir 30 minutes;
(3) add 5 parts of ground REUSY molecular sieve pulps, stir 40 minutes;
(4) add 5 parts of Ludox, stir 40 minutes;
(5) add 81 parts of cracking activity constituent elements, stir 20 minutes.
Step 2: spraying dry, spray-dired fire box temperature controls at about 450 degree, and ion-exchange adopts acid to exchange, and pH value is 2.5, exchanges 4 hours, obtained catalyst of the present invention.
Above five embodiments of the present invention have been described in detail, but described content being only preferred embodiment of the present invention, can not being considered to for limiting practical range of the present invention.All equalizations done according to the present patent application scope change and improve, and all should still belong within patent covering scope of the present invention.
Claims (4)
1. a preparation method for catalytic cracking catalyst, is characterized in that: comprise the following steps:
(1) by cracking activity constituent element, clay, Alumina gel, Ludox, molecular sieve, deionized water mixes, pulling an oar obtains mixed serum;
(2) spraying dry, ion-exchange, obtained catalyst of the present invention.
2. the preparation method of a kind of catalytic cracking catalyst according to claim 1, is characterized in that: the concrete operation method of step (1) comprises the following steps:
(1) clay is mixed with deionized water, stir 10-20 minute;
(2) add Alumina gel, stir 20-40 minute;
(3) add ground molecular sieve pulp, stir 20-40 minute;
(4) add Ludox, stir 20-40 minute;
(5) add cracking activity constituent element, stir 10-20 minute.
3. the preparation method of a kind of catalytic cracking catalyst according to claim 1, is characterized in that: catalyst quality consists of 100 parts of meters, cracking activity constituent element 70-90 part, molecular sieve 3-5 part, clay 3-5 part, Alumina gel 3-5 part.
4. the preparation method of a kind of catalytic cracking catalyst according to claim 1, is characterized in that: described clay refer in kaolin, bentonite, galapectite, montmorillonite, dickite, sepiolite one or more.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510665693.0A CN105170196A (en) | 2015-10-10 | 2015-10-10 | Preparation method for catalytic cracking catalysts |
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| CN201510665693.0A CN105170196A (en) | 2015-10-10 | 2015-10-10 | Preparation method for catalytic cracking catalysts |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007181777A (en) * | 2006-01-06 | 2007-07-19 | Petroleum Energy Center | Catalytic cracking catalist and method for cracking hydrocarbon oil catalytically |
| CN101138740A (en) * | 2006-09-05 | 2008-03-12 | 北京盛大京泰化学研究所 | Cracking catalyst containing nanometer rare-earth oxide and method of preparing the same |
| CN101670295A (en) * | 2008-09-11 | 2010-03-17 | 中国石油化工股份有限公司 | Preparation method of cracking catalyst |
| CN103301873A (en) * | 2012-03-09 | 2013-09-18 | 中国石油天然气股份有限公司 | Preparation method for catalytic cracking catalyst |
| CN103447070A (en) * | 2012-06-01 | 2013-12-18 | 湖北赛因化工有限公司 | FCC (Fluid Cracking Catalyst) catalyst containing silicon binder and preparation method thereof |
| CN103447071A (en) * | 2012-06-01 | 2013-12-18 | 湖北赛因化工有限公司 | FCC (Fluid Cracking Catalyst) catalyst containing silicon binder with high solid content and preparation method thereof |
-
2015
- 2015-10-10 CN CN201510665693.0A patent/CN105170196A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007181777A (en) * | 2006-01-06 | 2007-07-19 | Petroleum Energy Center | Catalytic cracking catalist and method for cracking hydrocarbon oil catalytically |
| CN101138740A (en) * | 2006-09-05 | 2008-03-12 | 北京盛大京泰化学研究所 | Cracking catalyst containing nanometer rare-earth oxide and method of preparing the same |
| CN101670295A (en) * | 2008-09-11 | 2010-03-17 | 中国石油化工股份有限公司 | Preparation method of cracking catalyst |
| CN103301873A (en) * | 2012-03-09 | 2013-09-18 | 中国石油天然气股份有限公司 | Preparation method for catalytic cracking catalyst |
| CN103447070A (en) * | 2012-06-01 | 2013-12-18 | 湖北赛因化工有限公司 | FCC (Fluid Cracking Catalyst) catalyst containing silicon binder and preparation method thereof |
| CN103447071A (en) * | 2012-06-01 | 2013-12-18 | 湖北赛因化工有限公司 | FCC (Fluid Cracking Catalyst) catalyst containing silicon binder with high solid content and preparation method thereof |
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Application publication date: 20151223 |