CN110479327A - A kind of catalyst promoting ozone oxidation ability - Google Patents
A kind of catalyst promoting ozone oxidation ability Download PDFInfo
- Publication number
- CN110479327A CN110479327A CN201910669683.2A CN201910669683A CN110479327A CN 110479327 A CN110479327 A CN 110479327A CN 201910669683 A CN201910669683 A CN 201910669683A CN 110479327 A CN110479327 A CN 110479327A
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- China
- Prior art keywords
- catalyst
- ozone
- waste water
- compound
- iron
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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
- B01J27/14—Phosphorus; Compounds thereof
- B01J27/185—Phosphorus; Compounds thereof with iron group metals or platinum group metals
- B01J27/1853—Phosphorus; Compounds thereof with iron group metals or platinum group metals with iron, cobalt or nickel
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/40—Organic compounds containing sulfur
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a kind of catalyst for promoting ozone oxidation ability, which is made of the compound of polyphosphate sodium substance and iron, the catalyst is added into waste water, and be passed through ozone, be greatly improved ozone oxidation ability, promote the oxidative degradation of organic matter；The polyphosphate sodium substance of the application and the compound lower cost of iron, it is lower to pH environmental requirement, furthermore treatment process is quick, processing equipment is simple, processed ozone can be directly thrown into the treatment process of waste water from dyestuff, without first preparing other chemical reagent, the degradation and decolorization process of waste water from dyestuff is simplified, cost is significantly reduced.
Description
Technical field
The present invention relates to environmental project, O3 catalytic oxidation and decoloring dye waste water technical fields, and in particular to a kind of
The catalyst of catalysed promoted ozone oxidation ability.
Background technique
Application of the ozone in terms of wastewater treatment has longer history, and ozone can be effectively by big point of part long-chain
Sub- organic matter resolves into small organic molecule, and the degradability of useless Organic substance in water is improved with this.But ozone itself
Oxidability is weaker, and cannot effectively degrade larger molecular organics, and handles and mishandling be easy to produce toxic substance.Mesh
Before, there is no good discoloration methods for the waste water from dyestuff in China, therefore generate more hydroxyl frees by catalyst ozone
Base has demand with this come the technology for improving oxidability very much.
The method of O3 catalytic oxidation at this stage has photocatalytic ozonation energy force method and metal oxide containing precious metals catalysis ozone
Although energy of oxidation force method etc., these methods have certain engineering practice, but still cannot accomplish to popularize, and at these methods
The difficulty for managing disposition is larger, and the cost of catalyst is also higher, therefore without very high practical value.
This technology uses compound (Fe (0), Fe of polyphosphate sodium substance (sodium tripolyphosphate, sodium tetrapolyphosphate) and iron
(II) and Fe (III)) composition catalyst, the oxidability of ozone is improved with this.The compound and polyphosphate sodium substance of iron come
Source is extensive, cheap, can greatly reduce the cost of catalyst, has Practical significance.
Summary of the invention
For the weaker equal limitation of ozone autoxidation ability, the present invention provides a kind of catalyst and adds and urges the invention patent
The method that agent promotes ozone oxidation performance, the catalyst and the method for using the catalyst to promote ozone oxidation performance are at low cost
It is honest and clean, while avoiding secondary pollution problems, achieve the purpose that improve ozone oxidation ability.
To achieve the above object, one aspect of the present invention provides a kind of catalyst for promoting ozone oxidation ability, described to urge
Agent is made of iron compound and polyphosphate sodium class compound.
Preferably, iron compound is one of Zero-valent Iron, ferrous iron or ferric iron compound or a variety of.
Preferably, the ferro-compound is ferrous sulfate, and the ferric iron compound is ferric sulfate.
Preferably, the polyphosphate sodium class compound is sodium tripolyphosphate and/or sodium tetrapolyphosphate.
Preferably, the mass ratio of the material of the iron compound and polyphosphate sodium class compound is 1-3:1.
On the other hand, the application the present invention provides a kind of catalyst for promoting ozone oxidation ability in the treatment of waste water.
Preferably, the waste water is dyeing waste water.
On the other hand, promote the method for the catalyst treatment waste water of ozone oxidation ability the present invention provides a kind of utilization,
Include the following steps:
(1) it puts into catalyst: the catalyst uniformly being put into waste water, and waste water is sealed；
(2) catalysis ozone is handled: ozone being passed through in the waste water after putting into the catalyst by plastic pipe, is catalyzed
Oxidation processes.
Preferably, the input amount of catalyst is calculated as 0.27mMol/L and/or with polyphosphate sodium class compound with iron compound
It is calculated as 0.54mMol/L.
Preferably, ozone intake is 1.6g/h.
The present invention compare the prior art have it is following the utility model has the advantages that
(1) present invention forms the catalyst of ozone using the compound of polyphosphate sodium substance and iron, on the one hand, poly- phosphorus
The lower cost of the compound of sour sodium substance and iron, lower to pH environmental requirement: on the other hand, reasonable polyphosphate sodium
The compound of substance and iron matches the oxidability that can effectively improve ozone, promotes the degradation of waste water from dyestuff.
(2) present invention does not increase the salinity of waste water, does not have suitable for various pH environment without adjusting the pH value of solution
Heavy metal pollution risk.
(3) treatment process of the present invention is quick, and processing equipment is simple, can be improved the oxidability of ozone, and can be directly
It puts into the treatment process of waste water from dyestuff, without first preparing other chemical reagent, simplifies the degradation and decolorization of waste water from dyestuff
Process significantly reduces cost.
Specific embodiment
The present invention is described in detail With reference to embodiment.
The present invention measures the Abs value of waste water to determine degradation effect, and to judge catalyst pair by ultraviolet spectrometer
The superiority and inferiority of ozone catalytic ability.
Embodiment 1: the oxidability that ferrous iron adds sodium tripolyphosphate to promote ozone is added
(1) catalyst preparation
Sodium tripolyphosphate and ferrous sulfate heptahydrate are weighed, by the mass ratio of the material ferrous sulfate heptahydrate: sodium tripolyphosphate 2:1
The two is uniformly mixed.
(2) prepared by simulated wastewater
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into.
(3) catalyst is added
By the amount of the catalyst prepared 0.27mMol/L in terms of sodium tripolyphosphate (0.54 mMol/L of ferrous sulfate heptahydrate)
It is added in simulated wastewater, is placed in after stirring in the container of sealing.
(4) ozone treatment
Ozone is passed through in sealing container with 1.6g amount hourly with plastic pipe.In 6 minutes for being passed through ozone every
It takes within one minute a solution to carry out the measurement of Abs value (being also required within the 0th minute survey primary), is surveyed with the spectrum line of 475nm length
Amount.
Embodiment 2: the oxidability that ferric iron adds sodium tripolyphosphate to promote ozone is added
(1) catalyst preparation
Sodium tripolyphosphate and ferric sulfate are weighed, by the mass ratio of the material ferric sulfate: sodium tripolyphosphate is that 1:1 mixes the two
It is even.
(2) prepared by simulated wastewater
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into.
(3) catalyst is added
The amount of the catalyst prepared 0.27mMol/L in terms of sodium tripolyphosphate (ferric sulfate 0.27mMol/L) is added to
It is placed in simulated wastewater, after stirring in the container of sealing.
(4) ozone treatment
Ozone is passed through in sealing container with 1.6g amount hourly with plastic pipe.In 6 minutes for being passed through ozone every
It takes within one minute a solution to carry out the measurement of Abs value (being also required within the 0th minute survey primary), is surveyed with the spectrum line of 475nm length
Amount.
Embodiment 3: the oxidability that ferrous iron adds sodium tetrapolyphosphate to promote ozone is added
(1) catalyst preparation
Sodium tetrapolyphosphate and ferrous sulfate heptahydrate are weighed, by the mass ratio of the material ferrous sulfate heptahydrate: sodium tetrapolyphosphate 2:1
The two is uniformly mixed.
(2) prepared by simulated wastewater
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into.
(3) catalyst is added
By the amount of the catalyst prepared 0.27mMol/L in terms of sodium tetrapolyphosphate (ferrous sulfate heptahydrate 0.54mMol/L)
It is added in simulated wastewater, is placed in after stirring in the container of sealing.
(4) ozone treatment
Ozone is passed through in sealing container with 1.6g amount hourly with plastic pipe.In 6 minutes for being passed through ozone every
It takes within one minute a solution to carry out the measurement of Abs value (being also required within the 0th minute survey primary), is surveyed with the spectrum line of 475nm length
Amount.
Embodiment 4: the oxidability that ferric iron adds sodium tetrapolyphosphate to promote ozone is added
(1) catalyst preparation
Sodium tetrapolyphosphate and ferric sulfate are weighed, by the mass ratio of the material ferric sulfate: sodium tetrapolyphosphate is that 3:1 mixes the two
It is even.
(2) prepared by simulated wastewater
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into.
(3) catalyst is added
The amount of the catalyst prepared 0.27mMol/L in terms of sodium tetrapolyphosphate (ferric sulfate 0.81mMol/L) is added to
It is placed in simulated wastewater, after stirring in the container of sealing.
(4) ozone treatment
Ozone is passed through in sealing container with 1.6g amount hourly with plastic pipe.In 6 minutes for being passed through ozone every
It takes within one minute a solution to carry out the measurement of Abs value (being also required within the 0th minute survey primary), is surveyed with the spectrum line of 475nm length
Amount.
Embodiment 5: the oxidability that ferrous iron adds sodium tripolyphosphate to promote ozone is added
(1) catalyst preparation
Sodium tripolyphosphate and ferrous sulfate heptahydrate are weighed, by the mass ratio of the material ferrous sulfate heptahydrate: sodium tripolyphosphate 2:1
The two is uniformly mixed.
(2) prepared by simulated wastewater
30mg rhodamine B is weighed, 1L distilled water is taken, rhodamine B is dissolved in this 1L distilled water, it is useless to be prepared into simulation
Water.
(3) catalyst is added
By the amount of the catalyst prepared 0.27mMol/L in terms of sodium tripolyphosphate (0.54 mMol/L of ferrous sulfate heptahydrate)
It is added in simulated wastewater, is placed in after stirring in the container of sealing.
(4) ozone treatment
Ozone is passed through in sealing container with 1.6g amount hourly with plastic pipe.In 6 minutes for being passed through ozone every
It takes within one minute a solution to carry out the measurement of Abs value (being also required within the 0th minute survey primary), is surveyed with the spectrum line of 553nm length
Amount.
Ferrous iron is only added in 1 waste water of comparative example
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into, is claimed
It takes ferrous sulfate heptahydrate 0.54mMol and is added in simulated wastewater, be placed in after stirring in the container of sealing, it will be smelly with plastic pipe
Oxygen is passed through in sealing container with 1.6g amount hourly.
It took a solution to carry out the measurement of Abs value every one minute in 6 minutes for being passed through ozone (to be also required to survey within the 0th minute
Once), it is measured with the spectrum line of 475nm length.
Sodium tripolyphosphate is only added in 2 waste water of comparative example
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into, is claimed
It takes sodium tripolyphosphate 0.27mMol and is added in simulated wastewater, be placed in after stirring in the container of sealing, with plastic pipe by ozone
It is passed through in sealing container with 1.6g amount hourly.
It took a solution to carry out the measurement of Abs value every one minute in 6 minutes for being passed through ozone (to be also required to survey within the 0th minute
Once), it is measured with the spectrum line of 475nm length.
Catalyst is not added in 3 waste water of comparative example
100mg orange G is weighed, 1L distilled water is taken, orange G is dissolved in this 1L distilled water, simulated wastewater is prepared into, and
It is placed in the container of sealing, is passed through ozone in sealing container with 1.6g amount hourly with plastic pipe.
It took a solution to carry out the measurement of Abs value every one minute in 6 minutes for being passed through ozone (to be also required to survey within the 0th minute
Once), it is measured with the spectrum line of 475nm length.
Catalyst is not added in 4 waste water of comparative example
30mg rhodamine B is weighed, 1L distilled water is taken, rhodamine B is dissolved in this 1L distilled water, it is useless to be prepared into simulation
Water is placed into the container of sealing, is passed through ozone in sealing container with 1.6g amount hourly with plastic pipe.
It took a solution to carry out the measurement of Abs value every one minute in 6 minutes for being passed through ozone (to be also required to survey within the 0th minute
Once), it is measured with the spectrum line of 553nm length.
Interpretation of result
Each implementation column and comparative example are shown in the experimental data are shown in the following table:
The catalyst phase being made of using the present invention iron compound and polyphosphate sodium compound it can be seen from upper table data
Relatively without using catalyst or using only iron compound or using only polyphosphate sodium compound, the oxidability of ozone is greatly enhanced,
To substantially increase waste treatment capacity, cost for wastewater treatment is reduced, is of very high actual application value.
Claims (10)
1. a kind of catalyst for promoting ozone oxidation ability, which is characterized in that the catalyst is by iron compound and polyphosphate sodium
Class compound composition.
2. catalyst as described in claim 1, which is characterized in that the iron compound is Zero-valent Iron, ferrous iron or ferric iron
One of compound is a variety of.
3. catalyst as claimed in claim 2, which is characterized in that the ferro-compound is ferrous sulfate, the trivalent
Iron compound is ferric sulfate.
4. catalyst as described in claim 1, which is characterized in that the polyphosphate sodium class compound be sodium tripolyphosphate and/
Or sodium tetrapolyphosphate.
5. catalyst according to any one of claims 1-4, which is characterized in that the iron compound and polyphosphate sodium class chemical combination
The mass ratio of the material of object is 1-3:1.
6. a kind of application of catalyst in the treatment of waste water as described in claim any one of 1-5.
7. application as claimed in claim 6, which is characterized in that the waste water is dyeing waste water.
8. a kind of method using the catalyst treatment waste water as described in claim any one of 1-5, which is characterized in that including as follows
Step:
(1) it puts into catalyst: the catalyst uniformly being put into waste water, and waste water is sealed；
(2) catalysis ozone is handled: ozone being passed through in the waste water after putting into the catalyst by plastic pipe, carries out catalysis oxidation
Processing.
9. method according to claim 8, which is characterized in that the input amount of catalyst is calculated as with polyphosphate sodium class compound
0.27mMol/L and/or 0.54mMol/L is calculated as with iron compound.
10. method according to claim 8, which is characterized in that ozone intake is 1.6g/h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669683.2A CN110479327A (en) | 2019-07-24 | 2019-07-24 | A kind of catalyst promoting ozone oxidation ability |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910669683.2A CN110479327A (en) | 2019-07-24 | 2019-07-24 | A kind of catalyst promoting ozone oxidation ability |
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| CN110479327A true CN110479327A (en) | 2019-11-22 |
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| CN201910669683.2A Pending CN110479327A (en) | 2019-07-24 | 2019-07-24 | A kind of catalyst promoting ozone oxidation ability |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045161A (en) * | 2021-02-20 | 2021-06-29 | 谭忠冠 | Deep dehydration method for sludge |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240267A (en) * | 2013-04-28 | 2013-08-14 | 华中师范大学 | Soil restoration method based on oxygen activation of iron powder and polyphosphoric acid molecules |
| CN104710000A (en) * | 2015-03-03 | 2015-06-17 | 中北大学 | Method and device for degrading nitrobenzene waste water in high gravity field through catalytic ozonation |
| CN109574195A (en) * | 2019-01-24 | 2019-04-05 | 吉林大学 | The method that elemental copper and polyphosphate activation oxygen remove hardly degraded organic substance in water removal |
| CN109794258A (en) * | 2019-01-26 | 2019-05-24 | 江西科环工业陶瓷有限公司 | A kind of catalyst and preparation method of waste water by ozone processing |
-
2019
- 2019-07-24 CN CN201910669683.2A patent/CN110479327A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103240267A (en) * | 2013-04-28 | 2013-08-14 | 华中师范大学 | Soil restoration method based on oxygen activation of iron powder and polyphosphoric acid molecules |
| CN104710000A (en) * | 2015-03-03 | 2015-06-17 | 中北大学 | Method and device for degrading nitrobenzene waste water in high gravity field through catalytic ozonation |
| CN109574195A (en) * | 2019-01-24 | 2019-04-05 | 吉林大学 | The method that elemental copper and polyphosphate activation oxygen remove hardly degraded organic substance in water removal |
| CN109794258A (en) * | 2019-01-26 | 2019-05-24 | 江西科环工业陶瓷有限公司 | A kind of catalyst and preparation method of waste water by ozone processing |
Non-Patent Citations (3)
| Title |
|---|
| HAKAN KARACA ET AL.: "Effects of Some Metals and Chelating Agents on Patulin Degradation by Ozone", 《OZONE: SCIENCE & ENGINEERING》 * |
| 张成武等: "Fe(II)活化O2高级氧化降解罗丹明B染料", 《中国环境科学》 * |
| 葛玮等: "不同pH条件下Fe2+/Fe3+/Ni2+/O3体系对活性艳蓝X-BR的催化氧化", 《环境科学与技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113045161A (en) * | 2021-02-20 | 2021-06-29 | 谭忠冠 | Deep dehydration method for sludge |
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Effective date of registration: 20210520 Address after: 310018, No. 18 Jiao Tong Street, Xiasha Higher Education Park, Hangzhou, Zhejiang Applicant after: ZHEJIANG GONGSHANG University Applicant after: HAINING SHOUCHUANG WATER Co.,Ltd. Address before: 310018, No. 18 Jiao Tong Street, Xiasha Higher Education Park, Hangzhou, Zhejiang Applicant before: ZHEJIANG GONGSHANG University |
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