CN110479352A - A kind of preparation method of Cu-OMS-2 catalyst and the application on degradable organic pollutant - Google Patents
A kind of preparation method of Cu-OMS-2 catalyst and the application on degradable organic pollutant Download PDFInfo
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- CN110479352A CN110479352A CN201910792185.7A CN201910792185A CN110479352A CN 110479352 A CN110479352 A CN 110479352A CN 201910792185 A CN201910792185 A CN 201910792185A CN 110479352 A CN110479352 A CN 110479352A
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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
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/03—Catalysts comprising molecular sieves not having base-exchange properties
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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
- C02F1/722—Oxidation by peroxides
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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Abstract
The invention discloses a kind of preparation of the OMS-2 catalyst of Cu doping and its applications on degradable organic pollutant.The Cu-OMS-2 catalyst is that manganese sulfate, copper nitrate, concentrated nitric acid and potassium permanganate mixed solution are made by flowing back, being filtered, washed, dry, calcine.The catalyst of the preparation generates the sulphuric acid free radical and hydroxyl radical free radical of strong oxidizing property for catalytic activation persulfuric acid hydrogen salt, thus efficient oxidation degradating organic dye, post catalyst reaction is recyclable to be recycled.Method for preparing catalyst of the invention is simple, obtained catalyst can generate potentiometric titrations and hydroxyl radical free radical degradable organic pollutant by multiple efficient catalytic activation persulfuric acid hydrogen salt at room temperature, it can be recovered and reuse after reaction, and catalytic performance is not decreased obviously, industrial cost can be substantially reduced, meet green production principle, has great application prospect in degradation of organic waste water field.
Description
Technical field
The present invention relates to a kind of preparation of Cu-OMS-2 catalyst and the applications on degradable organic pollutant, belong to organic
Technical field of waste water processing.
Background technique
Mn oxide is a kind of more potential heterogeneous catalyst, including MnO, Mn2O3、MnO2And Mn3O4Deng a variety of
It is applied in oxidation-reduction reaction.Recent research the result shows that, Mn oxide can be used to activate persulfate and over cure
Sour hydrogen salt generates the pollutant in the potentiometric titrations oxidative degradation industrial wastewater of strong oxidizing property.However, existing manganese catalysis
Agent preparation process is more complex, and catalytic activity is not ideal enough, and oxidant usage amount is big, and cost for wastewater treatment is higher.And manganese oxide eight
Face body molecular sieve (OMS-2) is with its distinctive porous structure, the manganese of mixed valence, mild surface acidic-basic property and ion exchange
Property, become another new research hotspot after zeolite type tetrahedron molecular sieve.It is by octahedra MnO6With total seamed edge and
Corner angle, which are connected, altogether constitutes the one-dimensional tunnel structure for being about 2 × 2, and pore size is about 0.146nm.Manganese element is with mixed valence (Mn4 +,Mn3+,Mn2+) be located in octahedra skeleton, K in tunnel+Play a part of balancing charge with a small amount of water and stablize tunnel structure,
Wherein K+Ion exchange can occur with external cation, so as to improve the electrochemistry and catalytic performance of OMS-2.
On the other hand, the protection of environment water resource is a focus of Present Global concern, with the high speed of modern economy
Development, the water resource that the industrial pollution waste water of high concentration is valuable to us cause huge threat.High-level oxidation technology refers to
Using the free radical with certain oxidability is generated under given conditions, thus the organic pollutant in oxidative degradation sewage
Sewage disposal technology, because it can generate the potentiometric titrations (SO with strong oxidizing property during the reaction4 ·-), SO4 ·-
Oxidation reaction occurs with various organic pollutants, final organic pollutant degradation is CO2And H2O or the centre being readily biodegradable
Product is paid close attention to by people in recent years.Potentiometric titrations can pass through high temperature pyrolysis, photocatalysis, catalysis of transition metal etc.
Mode decomposes persulfate or persulfuric acid hydrogen salt generates, however thermal activation persulfate technology energy consumption is high, photoactivation persulfate
Technical conditions are harsh.Transition metal activation persulfate technology is low for equipment requirements, and energy consumption is small, more economical material benefit, commonly
Metal ion includes Fe2+、Co2+、Mn2+、Ni2+、Ce3+And Ag+Deng.The present invention is using Cu-OMS-2 as activation persulfuric acid hydrogen salt
Catalyst, find its performance with very high catalytic degradation organic pollutant.
Summary of the invention
The present invention provides a kind of preparation method of Cu-OMS-2 catalyst and its answering on degradable organic pollutant
With.
The Cu-OMS-2 catalyst of the invention leads to using manganese sulfate, copper nitrate, nitric acid and potassium permanganate as raw material
Cross flow back, be filtered, washed, drying and calcination obtain.Catalytic performance test shows that the catalyst can preferably degrade organic contamination
Object.
Specific technical solution is as follows:
A kind of preparation method of Cu-OMS-2 catalyst:
Step 1, manganese sulfate, copper nitrate, nitric acid and potassium permanganate are weighed respectively, and a certain amount of water is added；
Step 2, flow back 18-36h at 100-120 DEG C, dry 6-10h at 100-120 DEG C；
Step 3,1-3h is calcined at 300-400 DEG C, the Cu-OMS-2 catalyst is made.
It is characterized by: manganese sulfate in step 1, copper nitrate, potassium permanganate and nitric acid mass ratio be 1:0.07:0.66:
3.90~1:0.09:0.80:4.50.
Copper ion includes Cu+、Cu2+, wherein Cu+Accounting for copper ion mass content is 25-30%, Cu2+Copper ion quality is accounted for contain
Amount is 70-75%；Manganese ion includes Mn2+、Mn3+、Mn4+, wherein Mn2+Accounting for manganese ion mass content is 30-36%, Mn3+Zhan Meng
Mass of ion content is 28-35%, Mn4+Accounting for manganese ion mass content is 32-35%.
In further preferred scheme, the copper ion includes Cu+、Cu2+, wherein Cu+Accounting for copper ion mass content is
30%, Cu2+Accounting for copper ion mass content is 70%；Manganese ion includes Mn2+、Mn3+、Mn4+, wherein Mn2+Manganese ion quality is accounted for contain
Amount is 36%, Mn3+Accounting for manganese ion mass content is 32%, Mn4+Accounting for manganese ion mass content is 32%.
It is 0.5- that copper ion, which accounts for the mass content of Cu-OMS-2 catalyst, in the Cu-OMS-2 catalyst being prepared
1.8%, wherein copper ion includes Cu+、Cu2+。
Copper (Cu in the Cu-OMS-2 catalyst being prepared+、Cu2+) mass content be 0.5-1.8%.It is of the present invention
Application of the obtained Cu-OMS-2 catalyst of technical solution in degradable organic pollutant.In further preferred scheme, Cu-
OMS-2 catalyst generates the application of potentiometric titrations degradable organic pollutant in catalysis potassium hydrogen peroxymonosulfate.
The organic pollutant includes acid orange 7, methylene blue, active blue 19, Reactive Red 2, any in rhodamine B
It is one or more.
During Cu-OMS-2 is catalyzed PMS generation potentiometric titrations, firstly, in catalyst preparation process, Cu2+Quilt
Mn2+Partial reduction is Cu+, then in the presence of potassium hydrogen peroxymonosulfate, the Cu of lower valency+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4 +Simultaneously with generation potentiometric titrations and hydroxyl radical free radical.Potentiometric titrations are more stronger than hydroxyl radical free radical oxidisability, thus
It can efficiently degradable organic pollutant (the section suggestion verify again expression is a little complete afterwards).The reaction mechanism is as follows for it:
The Cu-OMS-2 catalyst PMS generates the step of potentiometric titrations degradable organic pollutant reaction such as
Under:
Step 1: by organic pollutant solution cuvette, PMS solution is added；
Step 2: the absorption peak of organic pollutant at this time under test record；
Step 3: rapidly joining Cu-OMS-2, inhaled with ultraviolet-visible spectrophotometer measurement organic pollutant ultraviolet-visible
Receive the peak type of spectrogram.
The amount of the substance of the organic pollutant is 2.5 × 10-4-2.5×10-3mmol；The amount of the substance of PMS is 2.5
×10-3-5.0×10-3mmol；The quality of Cu-OMS-2 catalyst in the reaction system is 3-7mg.
The Cu-OMS-2 catalyst has good catalytic degradation effect, and easy to operate, does not pollute, meets
The principle of Green Chemistry.
Cu-OMS-2 catalyst is solid catalyst, reusable in catalytic process, for Some Organic Pollutants
Excellent catalytic effect is all had, and its dosage is few, can be with save the cost, after copper is added, catalytic effect is more preferable, is degrading
There is good application prospect in organic pollutant field.
Detailed description of the invention
Fig. 1 is the characteristic electron-microscope scanning figure of Cu-OMS-2 prepared by the embodiment of the present invention 1.
The XPS figure that Fig. 2 is Cu-OMS-2 prepared by the embodiment of the present invention 1, A are the XPS figure for detecting Cu, and B is to detect
The XPS of Mn schemes.
Fig. 3 is that Cu-OMS-2 prepared by the embodiment of the present invention 2 is catalyzed PMS generation potentiometric titrations degradation Acid
The UV-vis absorption spectrum figure of Orange 7.
Fig. 4 is that Cu-OMS-2 prepared by the embodiment of the present invention 3 is catalyzed PMS generation potentiometric titrations degradation Methylene
The UV-vis absorption spectrum figure of Blue.
Fig. 5 is that Cu-OMS-2 prepared by the embodiment of the present invention 4 is catalyzed PMS generation potentiometric titrations degradation Reactive
The UV-vis absorption spectrum figure of Blue 19.
Fig. 6 is that Cu-OMS-2 prepared by the embodiment of the present invention 5 is catalyzed PMS generation potentiometric titrations degradation Reactive
The UV-vis absorption spectrum figure of Red 2.
Fig. 7 is that Cu-OMS-2 prepared by the embodiment of the present invention 6 is catalyzed PMS generation potentiometric titrations degradation Rhodamine
The UV-vis absorption spectrum figure of B.
Fig. 8 is Cu-OMS-2 catalytic degradation Rhodamine B repetitive cycling 10 times degradations prepared by the embodiment of the present invention 7
Time diagram.
Specific embodiment
Embodiment 1
MnSO is added in 250ml round-bottomed flask4(8.8g), Cu (NO3)2100ml water, In is then added in (0.6375g)
10min is stirred at room temperature, then proceedes to that 3ml concentrated nitric acid and 5.89g potassium permanganate (being dissolved in 30ml water) mixed solution, In is added
Flow back 1d at 100 DEG C, is then filtered, washed to obtain black powder, and then black powder is dried at 120 DEG C to 8h, dried,
2h is calcined at 350 DEG C, obtains product.
Fig. 1 is the characteristic electron-microscope scanning figure of the Cu-OMS-2 catalyst of embodiment 1.Rodlike substance on figure is Cu-OMS-2
Catalyst.
Fig. 2 is the XPS figure of the Cu-OMS-2 catalyst of embodiment 1, can be seen that in figure and contains in Cu-OMS-2 catalyst
Cu(Ⅱ)、Cu(Ⅰ)、Mn2+、Mn3+、Mn4+.Wherein Cu+Content is 30%, Cu2+Content is 70%, Mn2+Content is 36%, Mn3+
Content is 32%, Mn4+Content is 32%.
Embodiment 2
The Cu-OMS-2 is being catalyzed the step of PMS generates the potentiometric titrations degradation reaction of Acid Orange 7 such as
Under:
Step 1: by 7 solution of Acid Orange (1ml, 2.5 × 10-4Mmol it) is added in cuvette, PMS solution is added
(1ml,2.5×10-3mmol)；
Step 2: the absorption peak of Acid Orange 7 at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, measures Acid with ultraviolet-visible spectrophotometer
The peak type of 7 UV-vis absorption spectrum figure of Orange.
The quality of Cu-OMS-2 catalyst described in step 3 is 3-7mg.
Fig. 3 is Cu-OMS-2 prepared by the present invention in catalysis PMS generation potentiometric titrations degradation Acid Orange7
UV-vis absorption spectrum figure, catalytic effect can be that 484nm detects Acid in wavelength by ultraviolet-visible spectrophotometer
The characteristic peak of Orange 7 can determine whether the end of reaction by the reduction that wavelength is 7 absorbance of Acid Orange at 484nm
Only.
Cu-OMS-2 is catalyzed PMS and generates in the reaction process of potentiometric titrations degradation Acid Orange 7, deposits in PMS
Under, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+Simultaneously with the sulphur for generating strong oxidizing property
Acid group free radical and hydroxyl radical free radical, thus the Acid Orange 7 that degrades.
Embodiment 3
Potentiometric titrations degradation Methylene Blue is generated in catalysis PMS using Cu-OMS-2 obtained by the present invention
On application.
The Cu-OMS-2 is being catalyzed the step of PMS generates potentiometric titrations degradation Methylene Blue reaction such as
Under:
Step 1: by Methylene Blue solution (0.3ml, 2.5 × 10-4Mmol it) is added in cuvette, it is molten that PMS is added
Liquid (0.3ml, 2.5 × 10-3mmol)；
Step 2: the absorption peak of Methylene Blue at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, is measured with ultraviolet-visible spectrophotometer
The peak type of Methylene Blue UV-vis absorption spectrum figure.
The quality of Cu-OMS-2 catalyst described in step 3 is 3-7mg.
Fig. 4 is Cu-OMS-2 prepared by the present invention in catalysis PMS generation potentiometric titrations degradation Methylene Blue
UV-vis absorption spectrum figure, catalytic effect can detect by ultraviolet-visible spectrophotometer in wavelength for 664nm
The characteristic peak of Methylene Blue can determine whether anti-by the reduction that wavelength is Methylene Blue absorbance at 664nm
The termination answered.
Cu-OMS-2 is catalyzed PMS and generates in the reaction process of potentiometric titrations degradation Methylene Blue, deposits in PMS
Under, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+Simultaneously with the sulphur for generating strong oxidizing property
Acid group free radical and hydroxyl radical free radical, thus the Methylene Blue that degrades.
Embodiment 4
Potentiometric titrations degradation Reactive Blue is generated in catalysis PMS using Cu-OMS-2 obtained by the present invention
Application on 19.
The Cu-OMS-2 is being catalyzed the step of PMS generates the potentiometric titrations degradation reaction of Reactive Blue 19
It is as follows:
Step 1: by 19 solution of Reactive Blue (1.5ml, 2.5 × 10-4Mmol it) is added in cuvette, PMS is added
Solution (1.5ml, 2.5 × 10-3mmol)；
Step 2: the absorption peak of Reactive Blue 19 at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, is measured with ultraviolet-visible spectrophotometer
The peak type of 19 UV-vis absorption spectrum figure of Reactive Blue.
The quality of Cu-OMS-2 catalyst described in step 3 is 3-7mg.
Fig. 5 is Cu-OMS-2 prepared by the present invention in catalysis PMS generation potentiometric titrations degradation Reactive Blue
19 UV-vis absorption spectrum figure, catalytic effect can be detected by ultraviolet-visible spectrophotometer in wavelength for 593nm
The characteristic peak of Reactive Blue 19 can determine whether by the reduction that wavelength is Reactive Blue19 absorbance at 593nm
The termination of reaction.
Cu-OMS-2 is catalyzed PMS and generates in the reaction process of potentiometric titrations degradation Reactive Blue 19, in PMS
In the presence of, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+Simultaneously with generation strong oxidizing property
Potentiometric titrations and hydroxyl radical free radical, thus the Reactive Blue 19 that degrades.
Embodiment 5
Potentiometric titrations degradation Reactive Red2 is generated in catalysis PMS using Cu-OMS-2 obtained by the present invention
On application.
The Cu-OMS-2 is being catalyzed the step of PMS generates the potentiometric titrations degradation reaction of Reactive Red 2 such as
Under:
Step 1: by 2 solution of Reactive Red (1ml, 2.5 × 10-4Mmol it) is added in cuvette, PMS solution is added
(1ml,2.5×10-3mmol)；
Step 2: the absorption peak of Reactive Red 2 at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, is measured with ultraviolet-visible spectrophotometer
The peak type of 2 UV-vis absorption spectrum figure of Reactive Red.
The quality of Cu-OMS-2 catalyst described in step 3 is 3-7mg.
Fig. 6 is Cu-OMS-2 prepared by the present invention in catalysis PMS generation potentiometric titrations degradation Reactive Red 2
UV-vis absorption spectrum figure, catalytic effect can detect by ultraviolet-visible spectrophotometer in wavelength for 538nm
The characteristic peak of Reactive Red 2 can determine whether anti-by the reduction that wavelength is 2 absorbance of Reactive Red at 538nm
The termination answered.
Cu-OMS-2 is catalyzed PMS and generates in the reaction process of potentiometric titrations degradation Reactive Red 2, deposits in PMS
Under, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+Simultaneously with the sulphur for generating strong oxidizing property
Acid group free radical and hydroxyl radical free radical, thus the Reactive Red 2 that degrades.
Embodiment 6
It is generated on potentiometric titrations degradation Rhodamine B using Cu-OMS-2 obtained by the present invention in catalysis PMS
Application.
The Cu-OMS-2 is as follows the step of being catalyzed PMS generation potentiometric titrations degradation Rhodamine B reaction:
Step 1: by Rhodamine B solution (1ml, 2.5 × 10-4Mmol it) is added in cuvette, PMS solution is added
(1ml,2.5×10-3mmol)；
Step 2: the absorption peak of Rhodamine B at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, is measured with ultraviolet-visible spectrophotometer
The peak type of Rhodamine B UV-vis absorption spectrum figure.
The quality of Cu-OMS-2 catalyst described in step 3 is 3-7mg.
Cu-OMS-2 is catalyzed PMS and generates in the reaction process of potentiometric titrations degradation Rhodamine B, exists in PMS
Under, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+Simultaneously with the sulfuric acid for generating strong oxidizing property
Root free radical and hydroxyl radical free radical, thus the Rhodamine B that degrades.
Fig. 7 is the purple that Cu-OMS-2 prepared by the present invention generates potentiometric titrations degradation Rhodamine B in catalysis PMS
Outer visible absorption spectrum figure, catalytic effect can be detected by ultraviolet-visible spectrophotometer in wavelength for 556nm
The characteristic peak of Rhodamine B can determine whether the end of reaction by the reduction that wavelength is Rhodamine B absorbance at 556nm
Only.
Embodiment 7
Potentiometric titrations are generated in repetitive cycling catalysis PMS using Cu-OMS-2 obtained by the present invention to degrade
Application on Rhodamine B.
The Cu-OMS-2 is as follows the step of being catalyzed PMS generation potentiometric titrations degradation Rhodamine B reaction:
Step 1: by Rhodamine B solution (1ml, 2.5 × 10-4Mmol it) is added in cuvette, PMS solution is added
(1ml,2.5×10-3mmol)；
Step 2: the absorption peak of Rhodamine B at this time under test record；
Step 3: quickly Cu-OMS-2 catalyst being added in cuvette, is measured with ultraviolet-visible spectrophotometer
The peak type of Rhodamine B UV-vis absorption spectrum figure.
Step 4: Cu-OMS-2 catalyst filtration, washing, dry repetition step 1-4 are recycled 10 times.
The quality of Cu-OMS-2 catalyst described in step 3 is 5-15mg.
Fig. 8 is the degradation time figure of 10 catalytic degradation Rhodamine B of catalyst repetitive cycling prepared by the present invention, is urged
Changing effect can indicate that front and back absorbance ratio is that 0 explanation is degradable by the ratio of degradation front and back absorbance with the time,
Time, shorter degradation effect was better.Cu-OMS-2 is catalyzed the reaction process that PMS generates potentiometric titrations degradation Rhodamine B
In, in the presence of PMS, the Cu of the lower valency in Cu-OMS-2+、Mn2+Or Mn3+It is oxidized to Cu2+、Mn4+It is strong with generating simultaneously
The potentiometric titrations and hydroxyl radical free radical of oxidisability, thus the Rhodamine B that degrades.
Claims (8)
1. a kind of preparation method of Cu-OMS-2 catalyst, which is characterized in that include the following steps:
Step 1, water is added in manganese sulfate, copper nitrate, concentrated nitric acid, potassium permanganate, 10-30 min is stirred at room temperature, is mixed
Close solution；
Step 2, the mixed solution of step 1 is flowed back at 100-120 DEG C 18-36 h, dry 6-10 h at 100-120 DEG C；
Step 3, the dry products of step 2 are calcined to 1-3 h at 300-400 DEG C, the Cu-OMS-2 catalyst is made.
2. the preparation method of Cu-OMS-2 catalyst according to claim 1, it is characterised in that: sulfuric acid in the step 1
Manganese, copper nitrate, potassium permanganate and nitric acid mass ratio be 1:0.07-0.09:0.66-0.80:3.90-4.50.
3. the preparation method of Cu-OMS-2 catalyst according to claim 1, it is characterised in that: the Cu- being prepared
In OMS-2 catalyst, including copper ion and manganese ion；Copper ion includes Cu+、Cu2+, wherein Cu+Accounting for copper ion mass content is
25-30%、Cu2+Accounting for copper ion mass content is 70-75%；Manganese ion includes Mn2+、Mn3+、Mn4+, wherein Mn2+Account for manganese ion matter
Measuring content is 30-36%, Mn3+Accounting for manganese ion mass content is 28-35%, Mn4+Accounting for manganese ion mass content is 32-35%.
4. the preparation method of Cu-OMS-2 catalyst according to claim 3, it is characterised in that: the copper ion includes
Cu+、Cu2+, wherein Cu+Accounting for copper ion mass content is 30%, Cu2+Accounting for copper ion mass content is 70%；Manganese ion includes Mn2+、
Mn3+、Mn4+, wherein Mn2+Accounting for manganese ion mass content is 36%, Mn3+Accounting for manganese ion mass content is 32%, Mn4+Account for manganese ion matter
Measuring content is 32%.
5. the preparation method of Cu-OMS-2 catalyst according to claim 1, it is characterised in that: the Cu- being prepared
The mass content that copper ion accounts for Cu-OMS-2 catalyst in OMS-2 catalyst is 0.5-1.8%, and wherein copper ion includes Cu+、Cu2 +。
6. Cu-OMS-2 catalyst the answering in degradable organic pollutant being prepared described in -5 any one according to claim 1
With.
7. application according to claim 6, which is characterized in that Cu-OMS-2 catalyst is in catalysis potassium hydrogen peroxymonosulfate
(PMS) application in degradable organic pollutant.
8. application according to claim 6 or 7, which is characterized in that the organic pollutant includes acid orange 7, methylene
Base indigo plant, active blue 19, Reactive Red 2, any one or more in rhodamine B.
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| CN113772802A (en) * | 2021-09-08 | 2021-12-10 | 江南大学 | Method for degrading bisphenol A in water by using manganese oxide modified copper-manganese spinel |
| CN115176810A (en) * | 2022-07-11 | 2022-10-14 | 山东神州蓝环保科技有限公司 | Potassium monopersulfate basic combined disinfectant and preparation method thereof |
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Application publication date: 20191122 |