CN102989437A - Method for reducing viscosity concentration of kaolin for catalytic cracking catalyst - Google Patents
Method for reducing viscosity concentration of kaolin for catalytic cracking catalyst Download PDFInfo
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- CN102989437A CN102989437A CN2012105465203A CN201210546520A CN102989437A CN 102989437 A CN102989437 A CN 102989437A CN 2012105465203 A CN2012105465203 A CN 2012105465203A CN 201210546520 A CN201210546520 A CN 201210546520A CN 102989437 A CN102989437 A CN 102989437A
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- kaolin
- catalytic cracking
- cracking catalyst
- ore pulp
- viscosity
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Abstract
The invention relates to the technical field of kaolin and particularly relates to a method for reducing the viscosity concentration of kaolin for a catalytic cracking catalyst. The method for reducing the viscosity concentration of the kaolin for the catalytic cracking catalyst comprises the following steps of: a, preparing slurry: preparing a kaolin raw ore into first kaolin ore slurry; b, chemically bleaching: chemically bleaching the first kaolin ore slurry to obtain second kaolin ore slurry; and c, adding an anion flocculating agent: adding 10-20 g of the anion flocculating agent into each ton of the second kaolin ore slurry and agitating sufficiently for 15-30 minutes, wherein the anion flocculating agent is any one of polyacrylamide, calcium polyacrylate, sodium polyacrylate or polyacrylic acid. According to the method for reducing the viscosity concentration of the kaolin for the catalytic cracking catalyst, the viscosity concentration of the kaolin is reduced to 61.5-62.5% and a catalytic effect of the catalytic cracking catalyst is good. The method has the characteristics of simple process and low production cost.
Description
Technical field
The present invention relates to the kaolin technical field, be specifically related to a kind of method that catalytic cracking catalyst is used viscosity of kaolinite that reduces.
Background technology
Kaolin is a kind of widely used nonmetal mineral resource, and in recent years, kaolin is applied to paper industry more.The kaolinic sticking concentration great majority of China's paper grade (stock) are (the kaolin industry often represents the height of viscosity with sticking concentration value, expression viscosity is low greatly for the percentage concentration value when its unit is 500mPaS, value, otherwise viscosity is high) between 66% ~ 70%.
In order to enlarge kaolinic range of application, utilize better mineral resources, enlarge industrialized development, kaolin is developed to petroleum chemical industry at present.In petroleum chemical industry, kaolin has been used to prepare catalytic cracking catalyst.Catalytic cracking catalyst take kaolin as key component has become the main body catalyst of petroleum chemical industry.The world today produces per year in more than 40 ten thousand tons of catalytic cracking catalysts, almost is the catalyst that adds take kaolin as key component entirely.
In the prior art, for the preparation of the kaolin that catalytic cracking catalyst is used, its sticking concentration is all higher, be generally more than 67%, thereby so that the catalytic effect of prepared catalytic cracking catalyst is undesirable.Only have kaolinic sticking concentration is reduced to about 62%, just can reach the kaolinic instructions for use of preparation catalytic cracking catalyst.In order kaolinic sticking concentration to be reduced to about 62%, to need badly a kind of method that reduces viscosity of kaolinite of seeking.
Summary of the invention
The object of the invention is to for the deficiencies in the prior art, a kind of method that catalytic cracking catalyst is used viscosity of kaolinite that reduces is provided, this reduces the method that catalytic cracking catalyst is used viscosity of kaolinite, can make kaolinic sticking concentration be reduced to 61.5% ~ 62.5%, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
To achieve these goals, the present invention adopts following technical scheme:
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching;
C, interpolation Flokal B: add the Flokal B of 10g ~ 20g in the second kaolin ore pulp per ton, and fully stir, mixing time is 15 minutes ~ 30 minutes;
Wherein, described Flokal B is any in polyacrylamide, calcium polyacrylate (CPA), Sodium Polyacrylate or the polyacrylic acid.
In the above-mentioned steps, the proportion of described the second kaolin ore pulp is 1.07 ~ 1.10.
Preferably, the proportion of described the second kaolin ore pulp is 1.09.
Preferably, the Flokal B that adds 15g among the described step c in the second kaolin ore pulp per ton.
Preferably, the mixing time among the described step c is 20 minutes.
The present invention compared with prior art, beneficial effect is:
1) a kind of catalytic cracking catalyst that reduces of the present invention can make kaolinic sticking concentration be reduced to 61.5% ~ 62.5% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
2) a kind of catalytic cracking catalyst that reduces of the present invention has the simple and low characteristics of production cost of technique with the method for viscosity of kaolinite.
The specific embodiment
The present invention is further illustrated below in conjunction with embodiment.
Embodiment 1.
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching; In the present embodiment, the proportion of the second kaolin ore pulp is 1.07;
C, interpolation Flokal B: add the Flokal B calcium polyacrylate (CPA) of 10g in the second kaolin ore pulp per ton, and fully stir, mixing time is 15 minutes.
In the present embodiment, in the process of adding the Flokal B calcium polyacrylate (CPA), guarantee to stir fully, the Flokal B calcium polyacrylate (CPA) is dissolved in the second kaolin ore pulp, reduce the purpose that catalytic cracking catalyst is used viscosity of kaolinite thereby reach.
A kind of catalytic cracking catalyst that reduces of the present embodiment can make kaolinic sticking concentration be reduced to 61.5% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
Embodiment 2.
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching; In the present embodiment, the proportion of the second kaolin ore pulp is 1.09;
C, interpolation Flokal B: add the Flokal B polyacrylamide of 15g in the second kaolin ore pulp per ton, and fully stir, mixing time is 20 minutes.
In the present embodiment, in the process of adding the Flokal B polyacrylamide, guarantee to stir fully, the Flokal B polyacrylamide is dissolved in the second kaolin ore pulp, reduce the purpose that catalytic cracking catalyst is used viscosity of kaolinite thereby reach.
A kind of catalytic cracking catalyst that reduces of the present embodiment can make kaolinic sticking concentration be reduced to 62% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
Embodiment 3.
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching; In the present embodiment, the proportion of the second kaolin ore pulp is 1.10;
C, interpolation Flokal B: add the Flokal B Sodium Polyacrylate of 20g in the second kaolin ore pulp per ton, and fully stir, mixing time is 30 minutes.
In the present embodiment, in the process of adding the Flokal B Sodium Polyacrylate, guarantee to stir fully, the Flokal B Sodium Polyacrylate is dissolved in the second kaolin ore pulp, reduce the purpose that catalytic cracking catalyst is used viscosity of kaolinite thereby reach.
A kind of catalytic cracking catalyst that reduces of the present embodiment can make kaolinic sticking concentration be reduced to 62.5% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
Embodiment 4.
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching; In the present embodiment, the proportion of the second kaolin ore pulp is 1.08;
C, interpolation Flokal B: add the Flokal B polyacrylic acid of 13g in the second kaolin ore pulp per ton, and fully stir, mixing time is 18 minutes.
In the present embodiment, in adding the polyacrylic process of Flokal B, guarantee to stir fully, the Flokal B polyacrylic acid is dissolved in the second kaolin ore pulp, reduce the purpose that catalytic cracking catalyst is used viscosity of kaolinite thereby reach.
A kind of catalytic cracking catalyst that reduces of the present embodiment can make kaolinic sticking concentration be reduced to 61.8% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
Embodiment 5.
A kind of method that reduces catalytic cracking catalyst usefulness viscosity of kaolinite, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching; In the present embodiment, the proportion of the second kaolin ore pulp is 1.09;
C, interpolation Flokal B: add the Flokal B polyacrylamide of 18g in the second kaolin ore pulp per ton, and fully stir, mixing time is 25 minutes.
In the present embodiment, in the process of adding the Flokal B polyacrylamide, guarantee to stir fully, the Flokal B polyacrylamide is dissolved in the second kaolin ore pulp, reduce the purpose that catalytic cracking catalyst is used viscosity of kaolinite thereby reach.
A kind of catalytic cracking catalyst that reduces of the present embodiment can make kaolinic sticking concentration be reduced to 62.1% with the method for viscosity of kaolinite, thus so that the excellent catalytic effect of the catalytic cracking catalyst that makes.
Should be noted that at last; above embodiment is only in order to illustrate technical scheme of the present invention; but not limiting the scope of the invention; although with reference to preferred embodiment the present invention has been done to explain; those of ordinary skill in the art is to be understood that; can make amendment or be equal to replacement technical scheme of the present invention, and not break away from essence and the scope of technical solution of the present invention.
Claims (5)
1. one kind is reduced catalytic cracking catalyst with the method for viscosity of kaolinite, it is characterized in that, it may further comprise the steps:
A, slurrying: the kaolin raw ore is made the first kaolin ore pulp;
B, chemical bleaching: the first kaolin ore pulp is made the second kaolin ore pulp after by chemical bleaching;
C, interpolation Flokal B: add the Flokal B of 10g ~ 20g in the second kaolin ore pulp per ton, and fully stir, mixing time is 15 minutes ~ 30 minutes;
Wherein, described Flokal B is any in polyacrylamide, calcium polyacrylate (CPA), Sodium Polyacrylate or the polyacrylic acid.
2. a kind of catalytic cracking catalyst that reduces according to claim 1 is with the method for viscosity of kaolinite, and it is characterized in that: the proportion of described the second kaolin ore pulp is 1.07 ~ 1.10.
3. a kind of catalytic cracking catalyst that reduces according to claim 2 is with the method for viscosity of kaolinite, and it is characterized in that: the proportion of described the second kaolin ore pulp is 1.09.
4. a kind of catalytic cracking catalyst that reduces according to claim 1 is characterized in that: the Flokal B that adds 15g among the described step c in the second kaolin ore pulp per ton with the method for viscosity of kaolinite.
5. a kind of catalytic cracking catalyst that reduces according to claim 1 is with the method for viscosity of kaolinite, and it is characterized in that: the mixing time among the described step c is 20 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105465203A CN102989437A (en) | 2012-12-17 | 2012-12-17 | Method for reducing viscosity concentration of kaolin for catalytic cracking catalyst |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012105465203A CN102989437A (en) | 2012-12-17 | 2012-12-17 | Method for reducing viscosity concentration of kaolin for catalytic cracking catalyst |
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| CN102989437A true CN102989437A (en) | 2013-03-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293508A (en) * | 2015-11-20 | 2016-02-03 | 中国高岭土有限公司 | Acid-free bleaching method of kaolin |
| CN111689502A (en) * | 2020-06-30 | 2020-09-22 | 茂名市茂群高岭土有限公司 | Kaolin for preparing in-situ crystallization catalyst |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476239A (en) * | 1983-05-04 | 1984-10-09 | Harshaw/Filtrol Partnership | Production of fluid catalytic cracking catalysts |
| CN101798096A (en) * | 2010-04-01 | 2010-08-11 | 茂名市茂群高岭土有限公司 | Method for preparing kaoline |
-
2012
- 2012-12-17 CN CN2012105465203A patent/CN102989437A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4476239A (en) * | 1983-05-04 | 1984-10-09 | Harshaw/Filtrol Partnership | Production of fluid catalytic cracking catalysts |
| CN101798096A (en) * | 2010-04-01 | 2010-08-11 | 茂名市茂群高岭土有限公司 | Method for preparing kaoline |
Non-Patent Citations (2)
| Title |
|---|
| HAYDN H.MURRAY，ET AL.: "Traditional and new applications for kaolin, smectite,and palygorskite: a general overview", 《APPLIED CLAY SCIENCE》 * |
| 王绪海等: "煤系高岭土料浆的粘度及影响因素", 《过程工程学报》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105293508A (en) * | 2015-11-20 | 2016-02-03 | 中国高岭土有限公司 | Acid-free bleaching method of kaolin |
| CN105293508B (en) * | 2015-11-20 | 2017-07-07 | 中国高岭土有限公司 | A kind of kaolinic anacidity method for bleaching |
| CN111689502A (en) * | 2020-06-30 | 2020-09-22 | 茂名市茂群高岭土有限公司 | Kaolin for preparing in-situ crystallization catalyst |
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Application publication date: 20130327 |