CN104386868A - Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis - Google Patents
Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis Download PDFInfo
- Publication number
- CN104386868A CN104386868A CN201410574003.6A CN201410574003A CN104386868A CN 104386868 A CN104386868 A CN 104386868A CN 201410574003 A CN201410574003 A CN 201410574003A CN 104386868 A CN104386868 A CN 104386868A
- Authority
- CN
- China
- Prior art keywords
- waste water
- fenton oxidation
- ultrasonic wave
- reaction
- catalyzed
- Prior art date
- 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.)
- Withdrawn
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
- C02F1/36—Treatment of water, waste water, or sewage with mechanical oscillations ultrasonic vibrations
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- 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
Abstract
The invention relates to a method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis. The method comprises the following specific steps: (1) adding an enough amount of activated carbon powder into the waste water, wherein the addition amount of the activated carbon powder is 0.7 weight percent of the weight of the waste water; (2) after the activated carbon powder adsorbs a great number of impurities in the water, filtering the waste water, and then injecting the waste water into an ultrasonic reactor; (3) performing ultrasonic crushing reaction, wherein the sound energy density of an ultrasonic wave is 0.1-0.3 w/m<3>; (4) after the reaction is performed for 20-40 minutes, adding ferrous ion salt and H2O2 into the ultrasonic reactor, adjusting the PH value to be 3-5, and performing stirring; (5) after the stirring is performed for 2-3 hours and performing sedimentation after the reaction is completed to separate the solid liquid and treat waste water. According to the method, ultrasonic water purification and Fenton oxidation water purification are combined, so that the water purification efficiency is improved, and the water purification cost is reduced.
Description
Technical field
The present invention relates to the method that Fenton oxidation administers waste water, particularly relate to a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water.
Background technology
Process waste water by hyperacoustic mode in water resource environment is administered, hyperacoustic cavitation effect provides possibility for harmful organic substance in degradation water, thus makes the realization of ultrasonic wave sewage disposal object.In sewage treatment process, hyperacoustic cavatition has very strong degradation capability to organism, and degradation speed is very fast, and the high-energy that the collapse of ultrasonic air bubble produces is enough to break chemical bonds, and cavitation bubble collapse produces hydroxy (OH
-) and hydrogen base (H
+), with organism generation oxidizing reaction, harmful organic substance in water body can be transformed into CO
2, H
2o, mineral ion or the organism of degrading than former organism toxicity little Yi.So in traditional wastewater process the reluctant organic pollutant of biological degradation, degraded can be realized by hyperacoustic cavatition.
Fenton (Fenton) reagent generally refers to Fe
2+and H
2o
2the oxidation system formed, by French scientist H.J.H.Fenton in invention in 1894, is that one does not need High Temperature High Pressure, and the simple chemical oxidation water technology of equipment.Early stage Fenton reagent is mainly used in organic analytical chemistry and organic synthesis, 1964, and Eisenhouser first using the Technology application of Fenton's reaction as wastewater treatment, and succeeds in phenol and alkylbenzene wastewater treatment experiment.Traditional Fenton's reaction can cause iron ion to run off, for addressing this problem, progressively develop heterogeneous Fenton's reaction, iron ion the strongest for catalytic performance normally loads on different carriers by this reaction system, obtains solid-liquid separating power simultaneously in its catalytic activity of maintenance, avoids secondary pollution.Heterogeneous Fenton's reaction system has high, the effective PH of reaction efficiency and haves a wide reach and the advantage such as catalyzer reproducible utilization, is an extremely potential advanced oxidation technique.At present, the carrier of multiphase Fenton catalyzer mainly contains three classes such as activity charcoal powder, zeolite molecular sieve, clay.Fenton oxidation technology is a kind of effective sludge pre-treatment techniques, but Fenton oxidation technology needs the acid of high density and ferrous ion and hydrogen peroxide, the time of reaction is long and cost is higher, how Reaction time shorten, reduce over hydrogen oxide usage quantity, reduce Fenton further and be oxidized the direction that cost is research.
Described Fenton's reaction take ferrous ion as a series of free radical reactions of catalyzer.Principal reaction is roughly as follows:
Fe
2++H
2O
2==Fe
3++OH
-+HO·
Fe
3+ +H
2O
2+OH
-==Fe
2++H
2O+HO·
Fe
3++H
2O
2==Fe
2++H
++HO
2
HO
2+H
2O
2==HO
2+O
2↑+HO·
Fenton reagent is by above reaction, continuous generation HO(hydroxyl radical free radical, electrode potential 2.80EV, be only second to F2), make whole system have strong oxidizing property, chlorobenzene, Benzyl Chloride, grease etc. can be oxidized and be difficult to by general oxygenant (chlorine, clorox, dioxide peroxide, ozone, the electrode potential of ozone only has 2.23EV) material that is oxidized.
For chlorobenzene, C
6h
5cl---------------(Fe
2+h
2o
2) → CO
2+ H
2o+HCl
The influence factor of Fenton reagent
According to the mechanism that above-mentioned Fenton reagent is reacted, OH is the efficiency factor of oxidation of organic compounds, and [Fe
2+], [H
2o
2], [OH
-] determine the output of OH, thus determine the degree of reacting with organism.The factor affecting this system comprises solution ph, temperature of reaction, H
2o
2dosage and dosing method, catalyst type, catalyzer and H
2o
2the ratio etc. of dosage.
According to when appealing ultrasonic purification waste water in material, cavitation bubble collapse produces hydroxy (OH
-) and hydrogen base (H
+), and in conjunction with the hydroxy (OH of needs when carrying out oxidizing reaction in Fenton reagent
-) and hydrogen base (H
+) participation, can show that appeal two kinds of technology can there to be collaborative utilization may.
Known existing technology is such as: application number: the method each providing ultrasonic wave and Fenton's reaction govern coordinately waste water in 201310678092.4 and 201210286680.9, propose Fenton's reaction in described 201310678092.4 and react with ultrasonic disruption to carry out, the method proposed in described 201210286680.9 first adds into FeCl simultaneously
2and H
2o
2carry out Fenton oxidation, then carry out ultrasonic disruption reaction, but do not use waste water fully after ultrasonic disruption reacts for some time in above-mentioned two technology, a large amount of hydroxy (OH wherein produced
-) and hydrogen base (H
+) may to the promoter action had of Fenton oxidation technology.
Summary of the invention
For above-mentioned deficiency provide a kind of ultrasonic disruption can be utilized to react time produce a large amount of hydroxy (OH
-) and hydrogen base (H
+) carry out Fenton oxidation thus the method that waste water is administered.
Utilize the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer a method for waste water, concrete steps are as follows: add enough activity charcoal powders in (1) waste water, and described activity charcoal powder addition is the 0.7wt% ~ 1.1wt% of waste water weight; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) carry out ultrasonic disruption reaction, described hyperacoustic acoustic density is 0.1 ~ 0.3w/m
3, (4) question response, after 20 ~ 40 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, regulate pH value to 3 ~ 5, stir simultaneously; (5) after 2 ~ 3 hours, precipitate after having reacted, make solid-liquid separation, can wastewater treatment be completed.
After further described ultrasonic disruption reaction carries out 30 minutes, in described ultrasound reactor, add ferrous ion salt, H
2o
2.
Ferrous ion salt described is further FeCl
2or FeSO
4.
The Fe put into described further
2+with H
2o
2mol ratio be 900:1.
Further described activity charcoal powder addition is the 0.7wt% of waste water weight.
The acoustic density of further described ultrasonication is 0.2w/m
3.
Further the pH value of described control Fenton's reaction is 4.
beneficial effect
The invention has the advantages that compared with original technology:
1, the present invention implements ultrasonic disruption reaction in advance, makes to create a large amount of hydroxy (OH in sewage or mud
-) and hydrogen base (H
+), for afterwards Fenton oxidation reaction provide good environment while save H
2o
2input, improve reaction efficiency, the time that described Fenton's reaction consumes, by original 3 ~ 5 hours, shortens to 2 ~ 3 hours;
2, described activity charcoal powder not only serves the effect of adsorpting aggregation objectionable impurities, and activity charcoal powder residual after filtering also serves katalysis in Fenton's reaction, further accelerates reaction efficiency.
Embodiment
Embodiment 1
A kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water, concrete steps are as follows: add enough activity charcoal powders in (1) waste water, described activity charcoal powder addition is 0.7% of waste water weight, and described activity charcoal powder is seed activity powdered carbon or columnar activated carbon powder; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) carry out ultrasonic disruption reaction, described hyperacoustic acoustic density is 0.1w/m
3; (4) question response is after 20 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, regulate pH value to 3, described ferrous ion salt is FeCl
2or FeSO
4, the described Fe put into
2+with H
2o
2mol ratio be 800:1, and sewage to be stirred; (5) after 2 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 97.7%, can complete wastewater treatment.
Be separated the solid obtained can continue to recycle, join in the waste water of identical amount by being separated the solid obtained, applying acoustic density is 0.1w/m
3ultrasonic wave, after 20 minutes, in ultrasound reactor, add ferrous ion salt, H
2o
2, regulate pH value to 3, stir simultaneously, after 2 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 96.9%.
For same waste water, under similarity condition, add FeCl
2and H
2o
2, but do not apply ul-trasonic irradiation, within the identical time, pollutants removal rate is 66.2%, and Fe
2+cannot reuse.
Embodiment 2
A kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water, concrete steps are as follows: add enough activity charcoal powders in (1) waste water, described activity charcoal powder addition is 0.9% of waste water weight, and described activity charcoal powder is seed activity powdered carbon or columnar activated carbon powder; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) carry out ultrasonic disruption reaction, described hyperacoustic acoustic density is 0.2w/m
3; (4) question response is after 30 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, regulate pH value to 4, described ferrous ion salt is FeCl
2or FeSO
4, the described Fe put into
2+with H
2o
2mol ratio be 900:1, stir simultaneously; (5) after 2.5 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 98.7%, can complete wastewater treatment.
Be separated the solid obtained can continue to recycle, join in the waste water of identical amount by being separated the solid obtained, applying acoustic density is 0.2w/m
3ultrasonic wave, after 30 minutes, in ultrasound reactor, add ferrous ion salt, H
2o
2, regulate pH value to 3, stir simultaneously, after 2.5 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 97.9%.
For same waste water, under similarity condition, add FeCl
2and H
2o
2, but but do not add activity charcoal powder, do not apply ul-trasonic irradiation, within the identical time, pollutants removal rate is 50.2%, and Fe
2+cannot reuse.
Embodiment 3
A kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water, concrete steps are as follows: add enough activity charcoal powders in (1) waste water, described activity charcoal powder addition is 1.1% of waste water weight, and described activity charcoal powder is seed activity powdered carbon or columnar activated carbon powder; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) carry out ultrasonic disruption reaction, described hyperacoustic acoustic density is 0.3w/m
3; (4) question response is after 40 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, adjust ph is to 5, and described ferrous ion salt is FeCl
2or FeSO
4, the described Fe put into
2+with H
2o
2mol ratio be 1000:1, stir simultaneously; (5) after 3 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 94.7%, can complete wastewater treatment.
Be separated the solid obtained can continue to recycle, join in the waste water of identical amount by being separated the solid obtained, applying acoustic density is 0.3w/m
3ultrasonic wave, after 40 minutes, in ultrasound reactor, add ferrous ion salt, H
2o
2, regulate pH value to 5, stir simultaneously, after 3 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 92.9%.
For same waste water, under similarity condition, add FeCl
2and H
2o
2, but do not apply ul-trasonic irradiation, within the identical time, pollutants removal rate is 50.2%, and Fe
2+cannot reuse.
Embodiment 4
A kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water, concrete steps are as follows: concrete steps are as follows: add enough activity charcoal powders in (1) waste water, described activity charcoal powder addition is 0.7% of waste water weight, and described activity charcoal powder is seed activity powdered carbon or columnar activated carbon powder; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) carry out ultrasonic disruption reaction, described hyperacoustic acoustic density is 0.2w/m
3; (4) question response is after 30 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, adjust pH value to 4, described ferrous ion salt is FeCl
2or FeSO
4, the described Fe put into
2+with H
2o
2mol ratio be 800:1, stir simultaneously; After (5) 2 hours, precipitate, make solid-liquid separation after having reacted, the clearance measuring the pollutent obtained is 99%, can complete wastewater treatment.
Be separated the solid obtained can continue to recycle, join in the waste water of identical amount by being separated the solid obtained, applying acoustic density is 0.2w/m
3ultrasonic wave, after 30 minutes, in ultrasound reactor, add ferrous ion salt, H
2o
2, regulate pH value to 4, stir simultaneously, after 2 hours, precipitate after having reacted, make solid-liquid separation, the clearance measuring the pollutent obtained is 97.9%.
For same waste water, under similarity condition, add FeCl
2and H
2o
2, but do not apply ul-trasonic irradiation, within the identical time, pollutants removal rate is 86.2%, and Fe
2+cannot reuse.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.One skilled in the art will appreciate that protection scope of the present invention is as the criterion with appending claims.
Claims (7)
1. utilize the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer a method for waste water, it is characterized in that: concrete steps are as follows: add enough activity charcoal powders in (1) waste water, described activity charcoal powder addition is the 0.7wt% ~ 1.1wt% of waste water weight; (2) adsorb after a large amount of impurities in water until activity charcoal powder, waste water is carried out filtration and is re-introduced in ultrasound reactor; (3) sonication reaction, described hyperacoustic acoustic density is 0.1 ~ 0.3w/m
3; (4) question response is after 20 ~ 40 minutes, adds ferrous ion salt, H in ultrasound reactor
2o
2, regulate pH value to 3 ~ 5, stir simultaneously; (5) after 2 ~ 3 hours, precipitate after having reacted, make solid-liquid separation, can wastewater treatment be completed.
2. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: after described ultrasonic disruption reaction carries out 30 minutes, in described ultrasound reactor, add ferrous ion salt, H
2o
2.
3. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: described ferrous ion salt is FeCl
2or FeSO
4.
4. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: the described Fe put into
2+with H
2o
2mol ratio be 900:1.
5. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: described activity charcoal powder addition is the 0.7wt% of waste water weight.
6. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: the acoustic density of described ultrasonication is 0.2w/m
3.
7. a kind of method utilizing the Fenton oxidation of Catalyzed by Ultrasonic Wave to administer waste water according to claim 1, is characterized in that: the pH value of described control Fenton's reaction is 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574003.6A CN104386868A (en) | 2014-10-24 | 2014-10-24 | Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410574003.6A CN104386868A (en) | 2014-10-24 | 2014-10-24 | Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104386868A true CN104386868A (en) | 2015-03-04 |
Family
ID=52604849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410574003.6A Withdrawn CN104386868A (en) | 2014-10-24 | 2014-10-24 | Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104386868A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830278A (en) * | 2017-03-28 | 2017-06-13 | 湖北君集水处理有限公司 | It is a kind of for the class Fenton oxidation filter tank of industrial wastewater of degrading and method |
| CN107253789A (en) * | 2017-08-07 | 2017-10-17 | 苏州久沛环保科技有限公司 | With reference to ultrasonic wave and the waste water treatment process of Fenton process |
| CN108862775A (en) * | 2018-07-13 | 2018-11-23 | 深圳吉美瑞科技有限公司 | Using the method and apparatus of Fenton rapid reaction processing high cod values sewage |
| CN111268849A (en) * | 2018-12-05 | 2020-06-12 | 苏州苏讯环保科技有限公司 | Efficient wastewater treatment process based on Fenton reaction |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786756A (en) * | 2010-02-09 | 2010-07-28 | 广西博世科环保科技有限公司 | Process method for treating hardly-biodegradable organic wastewater |
| CN103086547A (en) * | 2013-02-28 | 2013-05-08 | 常州大学 | Dioctyl phthalate wastewater treatment method |
| DE102012100032A1 (en) * | 2012-01-03 | 2013-07-04 | Dr. Raubenheimer GmbH | Water purification system useful for treating water, comprises first ultrasonic transducer, which is adapted to emit ultrasonic waves into water and comprises resonant metallic surface, and plastic layer fixed on metallic vibration surface |
| CN103864250A (en) * | 2014-03-13 | 2014-06-18 | 庄妍 | Treatment method of high-concentration organic wastewater |
-
2014
- 2014-10-24 CN CN201410574003.6A patent/CN104386868A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101786756A (en) * | 2010-02-09 | 2010-07-28 | 广西博世科环保科技有限公司 | Process method for treating hardly-biodegradable organic wastewater |
| DE102012100032A1 (en) * | 2012-01-03 | 2013-07-04 | Dr. Raubenheimer GmbH | Water purification system useful for treating water, comprises first ultrasonic transducer, which is adapted to emit ultrasonic waves into water and comprises resonant metallic surface, and plastic layer fixed on metallic vibration surface |
| CN103086547A (en) * | 2013-02-28 | 2013-05-08 | 常州大学 | Dioctyl phthalate wastewater treatment method |
| CN103864250A (en) * | 2014-03-13 | 2014-06-18 | 庄妍 | Treatment method of high-concentration organic wastewater |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106830278A (en) * | 2017-03-28 | 2017-06-13 | 湖北君集水处理有限公司 | It is a kind of for the class Fenton oxidation filter tank of industrial wastewater of degrading and method |
| CN107253789A (en) * | 2017-08-07 | 2017-10-17 | 苏州久沛环保科技有限公司 | With reference to ultrasonic wave and the waste water treatment process of Fenton process |
| CN107253789B (en) * | 2017-08-07 | 2020-12-18 | 苏州久沛环保科技有限公司 | Wastewater treatment process combining ultrasonic wave and Fenton method |
| CN108862775A (en) * | 2018-07-13 | 2018-11-23 | 深圳吉美瑞科技有限公司 | Using the method and apparatus of Fenton rapid reaction processing high cod values sewage |
| CN111268849A (en) * | 2018-12-05 | 2020-06-12 | 苏州苏讯环保科技有限公司 | Efficient wastewater treatment process based on Fenton reaction |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ribeiro et al. | Recent trends and developments in Fenton processes for industrial wastewater treatment–A critical review | |
| Song et al. | Pyrite-mediated advanced oxidation processes: Applications, mechanisms, and enhancing strategies | |
| Khuntia et al. | Removal of ammonia from water by ozone microbubbles | |
| Bagal et al. | Removal of 2, 4-dinitrophenol using hybrid methods based on ultrasound at an operating capacity of 7 L | |
| Chand et al. | Phenol degradation using 20, 300 and 520 kHz ultrasonic reactors with hydrogen peroxide, ozone and zero valent metals | |
| CN104386866A (en) | Method for treating water through Fenton oxidation of activated molecular oxygen by utilizing ultrasonic catalysis | |
| CN102010052B (en) | Method for treating organic sewage by synergy of cavitation effect and sulfuric acid free radicals | |
| Fu et al. | Co-oxidative removal of arsenite and tetracycline based on a heterogeneous Fenton-like reaction using iron nanoparticles-impregnated biochar | |
| CN102020350A (en) | Processing method of heterocatalysis persulfate Fenton oxidation water | |
| Shi et al. | Zero-valent iron mediated biological wastewater and sludge treatment | |
| CN104163539A (en) | Processing method of wastewater in coal chemistry industry | |
| CN102180557A (en) | Composite organic waste water advanced oxidation device | |
| CN104386868A (en) | Method for treating waste water through Fenton oxidation by utilizing ultrasonic catalysis | |
| Yang et al. | Ultrasound-assisted removal of tetracycline by a Fe/N–C hybrids/H2O2 Fenton-like system | |
| Liu et al. | Advanced treatment of landfill leachate using integrated coagulation/photo-Fenton process through in-situ generated nascent Al3+ and H2O2 by Cl, N co-doped aluminum-graphite composite | |
| CN102372402A (en) | Method for treating polyether polyol wastewater | |
| CN101941749B (en) | Method for treating high-concentration copper-containing antibiotic wastewater and recovering copper by iron-carbon micro-electrolysis | |
| CN105439368A (en) | Ethylene waste alkali liquor advanced processing method | |
| CN107265788A (en) | A kind of industrial wastewater, exhaust treatment system | |
| CN102583679A (en) | Method for treating petrochemical waste water and biochemical tail water through recycled coagulant | |
| CN103183443A (en) | Pharmaceutical wastewater treatment process using magnetic nanoparticles and adsorption-oxidation-magnetic coagulation integrated device | |
| Xiao et al. | Recent progress in persulfate to improve waste activated sludge treatment: Principles, challenges and perspectives | |
| CN104326611A (en) | Method for processing organic wastewater by electro-fenton | |
| Xie et al. | Influencing factors for the Fenton-like of biological sponge iron system and its degradation mechanism of aniline | |
| Chen et al. | Electrochemical degradation of doxycycline in a three-dimensional vermiculite/peroxymonosulfate electrode system: Mechanism, kinetics, and degradation pathway |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C04 | Withdrawal of patent application after publication (patent law 2001) | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20150304 |