CN113184975A - Advanced catalytic oxidation process for ozone - Google Patents
Advanced catalytic oxidation process for ozone Download PDFInfo
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- CN113184975A CN113184975A CN202110646802.XA CN202110646802A CN113184975A CN 113184975 A CN113184975 A CN 113184975A CN 202110646802 A CN202110646802 A CN 202110646802A CN 113184975 A CN113184975 A CN 113184975A
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- ozone
- catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses an ozone advanced catalytic oxidation process, which comprises the following steps: s1, generating oxygen by an oxygen generator, and introducing into an ozone generator to generate ozone; s2, simultaneously introducing ozone and wastewater into the microbubble generator; s3, introducing the microbubble generator into the oxygen catalytic oxidation reactor; s4, after the reaction is fully carried out, the gas-water mixture is sent into a biochemical reactor under the action of pressure; s5, after the treatment, the biochemical reactor firstly leads the residual gas into the ozone destructor and then discharges the nontoxic and harmless water, relating to the technical field of catalytic oxidation of ozone. The invention solves the problems that the catalytic oxidation process of ozone is insufficient, the wastewater treatment is insufficient and inefficient, and the prepared ozone is not sufficiently utilized.
Description
Technical Field
The invention relates to the technical field of catalytic oxidation of ozone, in particular to an advanced catalytic oxidation process of ozone.
Background
In the prior art, the ozone catalytic oxidation process is insufficient, so that the wastewater treatment is insufficient and inefficient, and the prepared ozone is not sufficiently utilized, so that an ozone advanced catalytic oxidation process is provided.
Disclosure of Invention
The invention aims to solve the problems that the ozone catalytic oxidation process is insufficient, the wastewater treatment is insufficient and inefficient, and the utilization of the prepared ozone is insufficient.
In order to achieve the purpose, the invention adopts the following technical scheme: an ozone advanced catalytic oxidation process, which comprises the following steps:
s1, generating oxygen by an oxygen generator, and introducing into an ozone generator to generate ozone;
s2, simultaneously introducing ozone and wastewater into the microbubble generator;
s3, introducing the microbubble generator into the oxygen catalytic oxidation reactor;
s4, after the reaction is fully carried out, the gas-water mixture is sent into a biochemical reactor under the action of pressure;
and S5, after the treatment is finished, the biochemical reactor firstly leads the residual gas into the ozone destructor and then discharges the nontoxic and harmless water.
Preferably, the ozone generator is a corona ozone generator.
Preferably, the oxygen catalytic oxidation reactor is sealed, 3 layers of coal columnar granular activated carbon beds with the diameter of 5mm and the diameter of 5mm are filled in the oxygen catalytic oxidation reactor to serve as catalysts, the effective volume of an empty bed is 20-25L, and the filling rate of the catalyst beds is 25-30%.
Preferably, the output end of the microbubble generator is communicated with the lower end of the oxygen catalytic oxidation reactor and used for inputting ozone and wastewater in the form of bubbles, and the input end of the microbubble generator is communicated with the upper end of the oxygen catalytic oxidation reactor and used for circularly treating the ozone which is not fully reacted.
Preferably, the treatment time of the wastewater in the oxygen catalytic oxidation reactor is 1-2h, and the treatment temperature is 20-30 ℃.
Preferably, the biochemical reactor is sealed, 3 layers of coal columnar granular activated carbon bed layers with the diameter of 5mm multiplied by 5mm are filled inside the biochemical reactor to be used as a catalyst, the effective volume of an empty bed is 35-45L, and the filling rate of the catalyst bed layer is 25-35%.
Compared with the prior art, the invention has the following beneficial effects: according to the invention, ozone and wastewater are treated by the microbubble generator to generate bubbles and then enter the oxygen catalytic oxidation reactor for treatment, so that the ozone reaction is efficient, meanwhile, unreacted ozone returns to the microbubble generator, the cyclic treatment of the unreacted and sufficient ozone is realized, the ozone is fully utilized, and the waste is avoided; according to the invention, the gas-water mixture is fed into the biochemical reactor under the action of pressure, so that the biochemical reactor does not need aeration treatment; in the invention, 3 layers of coal columnar granular activated carbon bed layers with the diameter of 5 multiplied by 5mm are filled in the oxygen catalytic oxidation reactor and the biochemical reactor as catalysts, thereby further improving the treatment efficiency.
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic diagram of the process of the present invention.
Detailed Description
The following description of the embodiments of the present invention is provided for illustrative purposes, and other advantages and effects of the present invention will become apparent to those skilled in the art from the present disclosure.
Please refer to fig. 1. It should be understood that the structures, ratios, sizes, and the like shown in the drawings and described in the specification are only used for matching with the disclosure of the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions under which the present invention can be implemented, so that the present invention has no technical significance, and any structural modification, ratio relationship change, or size adjustment should still fall within the scope of the present invention without affecting the efficacy and the achievable purpose of the present invention.
Example 1:
an ozone advanced catalytic oxidation process, which comprises the following steps:
s1, generating oxygen by an oxygen generator, and introducing into an ozone generator to generate ozone;
s2, simultaneously introducing ozone and wastewater into the microbubble generator;
s3, introducing the microbubble generator into the ozone catalytic oxidation reactor;
s4, after the reaction is fully carried out, the gas-water mixture is sent into a biochemical reactor under the action of pressure;
and S5, after the treatment is finished, the biochemical reactor firstly leads the residual gas into the ozone destructor and then discharges the nontoxic and harmless water.
The ozone generator is a corona method ozone generator.
The oxygen catalytic oxidation reactor is sealed, 3 layers of coal columnar granular activated carbon beds with the diameter of 5mm multiplied by 5mm are filled inside the oxygen catalytic oxidation reactor to serve as catalysts, the effective volume of an empty bed is 20-25L, and the filling rate of the catalyst beds is 25-30%.
The output end of the microbubble generator is communicated with the lower end of the oxygen catalytic oxidation reactor and used for inputting ozone and wastewater in a bubble mode, and the input end of the microbubble generator is communicated with the top end of the oxygen catalytic oxidation reactor and used for circularly treating the unreacted and sufficient ozone.
The treatment time of the wastewater of the oxygen catalytic oxidation reactor is 1-2h, and the treatment temperature is 20-30 ℃.
The biochemical reactor is sealed, 3 layers of coal columnar granular activated carbon bed layers with the diameter of 5mm multiplied by 5mm are filled in the biochemical reactor to be used as a catalyst, the effective volume of an empty bed is 35-45L, and the filling rate of the catalyst bed layer is 25-35%.
Example 2:
using a traditional ozone catalytic oxidation process for treatment: and (2) introducing oxygen into an ozone generator, then directly introducing the ozone generator and the wastewater into a common ozone catalytic oxidation reactor, and after the reaction is fully performed, pumping the treatment liquid into a common biochemical tank, wherein the wastewater is the same as the wastewater in the example 1.
Example 3:
the harmful substance test was performed on the discharge water after the treatment in examples 1 and 2, and the test results are as follows: mg.L-1
As can be seen from the above table, the present invention provides a more sufficient treatment of the harmful substances in the wastewater.
The foregoing embodiments are merely illustrative of the principles and utilities of the present invention and are not intended to limit the invention. Any person skilled in the art can modify or change the above-mentioned embodiments without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which can be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. An advanced catalytic oxidation process for ozone is characterized by comprising the following steps:
s1, generating oxygen by an oxygen generator, and introducing into an ozone generator to generate ozone;
s2, simultaneously introducing ozone and wastewater into the microbubble generator;
s3, introducing the microbubble generator into the oxygen catalytic oxidation reactor;
s4, after the reaction is fully carried out, the gas-water mixture is sent into a biochemical reactor under the action of pressure;
and S5, after the treatment is finished, the biochemical reactor firstly leads the residual gas into the ozone destructor and then discharges the nontoxic and harmless water.
2. The advanced catalytic oxidation process for ozone as claimed in claim 1, wherein: the ozone generator is a corona method ozone generator.
3. The advanced catalytic oxidation process for ozone as claimed in claim 1, wherein: the oxygen catalytic oxidation reactor is sealed, 3 layers of coal columnar granular activated carbon beds with the diameter of 5mm multiplied by 5mm are filled inside the oxygen catalytic oxidation reactor to serve as catalysts, the effective volume of an empty bed is 20-25L, and the filling rate of the catalyst beds is 25-30%.
4. The advanced catalytic oxidation process for ozone as claimed in claim 1, wherein: the output end of the microbubble generator is communicated with the lower end of the oxygen catalytic oxidation reactor and used for inputting ozone and wastewater in a bubble mode, and the input end of the microbubble generator is communicated with the top end of the oxygen catalytic oxidation reactor and used for circularly treating the unreacted and sufficient ozone.
5. The advanced catalytic oxidation process for ozone as claimed in claim 1, wherein: the treatment time of the wastewater of the oxygen catalytic oxidation reactor is 1-2h, and the treatment temperature is 20-30 ℃.
6. The advanced catalytic oxidation process for ozone as claimed in claim 1, wherein: the biochemical reactor is sealed, 3 layers of coal columnar granular activated carbon bed layers with the diameter of 5mm multiplied by 5mm are filled in the biochemical reactor to be used as a catalyst, the effective volume of an empty bed is 35-45L, and the filling rate of the catalyst bed layer is 25-35%.
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| CN202110646802.XA CN113184975A (en) | 2021-06-10 | 2021-06-10 | Advanced catalytic oxidation process for ozone |
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| CN202110646802.XA CN113184975A (en) | 2021-06-10 | 2021-06-10 | Advanced catalytic oxidation process for ozone |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997014657A1 (en) * | 1995-10-17 | 1997-04-24 | Air Products And Chemicals, Inc. | Advanced oxidation of water using catalytic ozonation |
| CN106007256A (en) * | 2016-07-28 | 2016-10-12 | 黄霞 | Microbubble ozone catalytic oxidation-no-aeration biochemical coupling technology system and application thereof |
| CN110002576A (en) * | 2019-04-24 | 2019-07-12 | 中冶赛迪工程技术股份有限公司 | A kind of catalytic ozonation reactor and its sewage water treatment method |
| CN212740744U (en) * | 2020-06-02 | 2021-03-19 | 青岛派尼尔环保技术有限公司 | Dielectric barrier corona discharge ozone generating device |
| CN112694165A (en) * | 2020-12-31 | 2021-04-23 | 安徽舜禹水务股份有限公司 | Ozone catalytic oxidation reaction unit system |
-
2021
- 2021-06-10 CN CN202110646802.XA patent/CN113184975A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997014657A1 (en) * | 1995-10-17 | 1997-04-24 | Air Products And Chemicals, Inc. | Advanced oxidation of water using catalytic ozonation |
| CN106007256A (en) * | 2016-07-28 | 2016-10-12 | 黄霞 | Microbubble ozone catalytic oxidation-no-aeration biochemical coupling technology system and application thereof |
| CN110002576A (en) * | 2019-04-24 | 2019-07-12 | 中冶赛迪工程技术股份有限公司 | A kind of catalytic ozonation reactor and its sewage water treatment method |
| CN212740744U (en) * | 2020-06-02 | 2021-03-19 | 青岛派尼尔环保技术有限公司 | Dielectric barrier corona discharge ozone generating device |
| CN112694165A (en) * | 2020-12-31 | 2021-04-23 | 安徽舜禹水务股份有限公司 | Ozone catalytic oxidation reaction unit system |
Non-Patent Citations (1)
| Title |
|---|
| 宋永辉等: "《提金氰化废水处理理论与方法》", 31 March 2015, 冶金工业出版社 * |
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Application publication date: 20210730 |