CN106475120A - A kind of preparation method of ozone oxidation catalyst - Google Patents
A kind of preparation method of ozone oxidation catalyst Download PDFInfo
- Publication number
- CN106475120A CN106475120A CN201610765033.4A CN201610765033A CN106475120A CN 106475120 A CN106475120 A CN 106475120A CN 201610765033 A CN201610765033 A CN 201610765033A CN 106475120 A CN106475120 A CN 106475120A
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- CN
- China
- Prior art keywords
- activated carbon
- zeolite
- ion
- hours
- sulfate
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/02—Sulfur, selenium or tellurium; Compounds thereof
- B01J27/053—Sulfates
- B01J27/055—Sulfates with alkali metals, copper, gold or silver
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/02—Impregnation, coating or precipitation
- B01J37/0201—Impregnation
- B01J37/0205—Impregnation in several steps
-
- 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
- B01J2229/00—Aspects of molecular sieve catalysts not covered by B01J29/00
- B01J2229/10—After treatment, characterised by the effect to be obtained
- B01J2229/18—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself
- B01J2229/186—After treatment, characterised by the effect to be obtained to introduce other elements into or onto the molecular sieve itself not in framework positions
Abstract
The invention discloses a kind of preparation method of ozone oxidation catalyst, comprises the following steps：The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, zeolite or activated carbon are carried out 2 dippings respectively and bakee.The present invention bakees, with metallic solution, the film to form metal ion complex by zeolite or activated carbon surface, when COD in sewage is removed with ozone, playing increases the medicament of COD removal rate and efficiency, due to the method using secondary baking, top layer film is combined more firm with inner layer film, extends the service life of catalyst.
Description
Technical field
The invention belongs to field of Environment Protection, and in particular to a kind of preparation method of ozone oxidation catalyst.
Background technology
Wastewater treatment generally comprises Physical, chemical method and bioanalysis etc..Traditional chemical method needs dosing in waste water
Flocculated, in order to promote the reaction speed between waste water and medicament, it usually needs add the catalysis for promoting redox reaction
Agent.
Content of the invention
Goal of the invention：The purpose of the present invention is for the deficiencies in the prior art, provides a kind of ozone oxidation catalyst
Preparation method.
Technical scheme：In order to reach foregoing invention purpose, the present invention is specifically achieved like this：A kind of ozone oxidation is urged
The preparation method of agent, comprises the following steps：
（1）The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:60~
100, mix and blend is static after 20 ~ 30 minutes, its sodium ion of mixed solution：Aluminium ion：Potassium ion：Calcium ion：The rubbing of magnesium ion
Your mass ratio is 2 ~ 3:2~3:1~2:3~4:1~2；
（2）Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；
（3）Take out zeolite or activated carbon to bakee which, bakee 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled to 100
At DEG C, impregnation steps again（1）Described mixed solution, continues 6 ~ 8 hours；
（4）Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 hours, after terminating to bakee at 450 ~ 480 DEG C of temperature
It is cooled to room temperature.
Wherein, the length, width and height of the Zeolites Zeolites or activated carbon are less than 5cm.
Beneficial effect：The present invention bakees, with metallic solution, the film to form metal ion complex by zeolite or activated carbon surface,
When COD in sewage is removed with ozone, playing increases the medicament of COD removal rate and efficiency, due to adopting secondary baking
Method, top layer film is combined more firm with inner layer film, extends the service life of catalyst.
Specific embodiment
Embodiment 1：
The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:60, mixing
Static, its sodium ion of mixed solution after stirring 20 ~ 30 minutes：Aluminium ion：Potassium ion：Calcium ion：The molal weight ratio of magnesium ion
For 2:2:1:3:1；Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；Zeolite or activated carbon are taken out to which
Bakeed, bakeed 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled at 100 DEG C, impregnate above-mentioned mixed solution again,
Continue 6 ~ 8 hours；Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 hours, terminate at 450 ~ 480 DEG C of temperature
Room temperature is cooled to after baking.
Embodiment 2：
The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:70, mixing
Static, its sodium ion of mixed solution after stirring 20 ~ 30 minutes：Aluminium ion：Potassium ion：Calcium ion：The molal weight ratio of magnesium ion
For 3: 3: 2: 4: 2；Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；Take out zeolite or activated carbon
Which is bakeed, is bakeed 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled at 100 DEG C, impregnate above-mentioned mixing again
Solution, continues 6 ~ 8 hours；Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 hours at 450 ~ 480 DEG C of temperature,
Room temperature is cooled to after terminating to bakee.
Embodiment 3：
The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:80, mixing
Static, its sodium ion of mixed solution after stirring 20 ~ 30 minutes：Aluminium ion：Potassium ion：Calcium ion：The molal weight ratio of magnesium ion
For 2: 3:1: 4:1；Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；Take out zeolite or activated carbon pair
Which is bakeed, and is bakeed 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled at 100 DEG C, impregnate above-mentioned mixing again molten
Liquid, continues 6 ~ 8 hours；Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 hours, knot at 450 ~ 480 DEG C of temperature
Bundle is cooled to room temperature after bakeing.
Embodiment 4：
The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:100, mix
Close static, its sodium ion of mixed solution after stirring 20 ~ 30 minutes：Aluminium ion：Potassium ion：Calcium ion：The molal weight of magnesium ion
Than for 3:2: 2: 4: 2；Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；Take out zeolite or activity
Charcoal is bakeed to which, is bakeed 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled at 100 DEG C, impregnate again above-mentioned mixed
Solution is closed, continues 6 ~ 8 hours；Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 little at 450 ~ 480 DEG C of temperature
When, room temperature is cooled to after terminating to bakee.
Claims (2)
1. a kind of preparation method of ozone oxidation catalyst, it is characterised in that comprise the following steps：
（1）The mixing of sodium sulphate, aluminum sulfate, potassium sulfate, calcium sulfate, magnesium sulfate and water is taken, solvent is 1 with the mass ratio of water:60~
100, mix and blend is static after 20 ~ 30 minutes, its sodium ion of mixed solution：Aluminium ion：Potassium ion：Calcium ion：The rubbing of magnesium ion
Your mass ratio is 2 ~ 3:2~3:1~2:3~4:1~2；
（2）Zeolite or activated carbon are impregnated in mixed solution, is impregnated 10 ~ 12 hours；
（3）Take out zeolite or activated carbon to bakee which, bakee 3 ~ 4 hours at 200 ~ 260 DEG C of temperature, after be cooled to 100
At DEG C, impregnation steps again（1）Described mixed solution, continues 6 ~ 8 hours；
（4）Taking out zeolite or activated carbon carries out secondary baking, bakees 10 ~ 12 hours, after terminating to bakee at 450 ~ 480 DEG C of temperature
It is cooled to room temperature.
2. the preparation method of the catalyst for wastewater treatment according to claim 1, it is characterised in that the zeolite boiling
The length, width and height of stone or activated carbon are less than 5cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765033.4A CN106475120A (en) | 2016-08-31 | 2016-08-31 | A kind of preparation method of ozone oxidation catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610765033.4A CN106475120A (en) | 2016-08-31 | 2016-08-31 | A kind of preparation method of ozone oxidation catalyst |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106475120A true CN106475120A (en) | 2017-03-08 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610765033.4A Pending CN106475120A (en) | 2016-08-31 | 2016-08-31 | A kind of preparation method of ozone oxidation catalyst |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106475120A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108686673A (en) * | 2018-05-17 | 2018-10-23 | 万华化学集团股份有限公司 | A kind of ozone catalytic oxidation catalyst and preparation method thereof |
| CN110152691A (en) * | 2018-03-30 | 2019-08-23 | 铜仁学院 | A kind of preparation method of ozone oxidation catalyst |
| CN114471622A (en) * | 2021-12-23 | 2022-05-13 | 常州大学 | Ozone decomposition catalyst and preparation method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049253A (en) * | 2009-10-28 | 2011-05-11 | 中国石油化工集团公司 | Preparation method of special catalyst for waste water treatment by ozone oxidation |
| US20140065047A1 (en) * | 2010-10-08 | 2014-03-06 | City University Of Hong Kong | Gas treatment by catalytic ozone oxidation |
| CN104190433A (en) * | 2014-08-15 | 2014-12-10 | 浙江省环境保护科学设计研究院 | Catalytic ozonation catalyst for volatile organic waste gas treatment as well as preparation method and application of catalytic ozonation catalyst |
| CN104289229A (en) * | 2014-10-27 | 2015-01-21 | 北京碧水源环境工程有限公司 | Preparation method for load transition metal catalyst for ozone oxidation as well as load transition metal catalyst and application thereof |
| CN105363465A (en) * | 2015-07-07 | 2016-03-02 | 博天环境集团股份有限公司 | Preparation method of ozone oxidation catalyst loaded with polymetallic oxide |
-
2016
- 2016-08-31 CN CN201610765033.4A patent/CN106475120A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102049253A (en) * | 2009-10-28 | 2011-05-11 | 中国石油化工集团公司 | Preparation method of special catalyst for waste water treatment by ozone oxidation |
| US20140065047A1 (en) * | 2010-10-08 | 2014-03-06 | City University Of Hong Kong | Gas treatment by catalytic ozone oxidation |
| CN104190433A (en) * | 2014-08-15 | 2014-12-10 | 浙江省环境保护科学设计研究院 | Catalytic ozonation catalyst for volatile organic waste gas treatment as well as preparation method and application of catalytic ozonation catalyst |
| CN104289229A (en) * | 2014-10-27 | 2015-01-21 | 北京碧水源环境工程有限公司 | Preparation method for load transition metal catalyst for ozone oxidation as well as load transition metal catalyst and application thereof |
| CN105363465A (en) * | 2015-07-07 | 2016-03-02 | 博天环境集团股份有限公司 | Preparation method of ozone oxidation catalyst loaded with polymetallic oxide |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110152691A (en) * | 2018-03-30 | 2019-08-23 | 铜仁学院 | A kind of preparation method of ozone oxidation catalyst |
| CN108686673A (en) * | 2018-05-17 | 2018-10-23 | 万华化学集团股份有限公司 | A kind of ozone catalytic oxidation catalyst and preparation method thereof |
| CN108686673B (en) * | 2018-05-17 | 2021-07-23 | 万华化学集团股份有限公司 | Ozone catalytic oxidation catalyst and preparation method thereof |
| CN114471622A (en) * | 2021-12-23 | 2022-05-13 | 常州大学 | Ozone decomposition catalyst and preparation method thereof |
| CN114471622B (en) * | 2021-12-23 | 2023-09-05 | 常州大学 | Ozone decomposition catalyst and preparation method thereof |
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Application publication date: 20170308 |