CN106007125A - Dye wastewater treatment technology - Google Patents
Dye wastewater treatment technology Download PDFInfo
- Publication number
- CN106007125A CN106007125A CN201610535501.9A CN201610535501A CN106007125A CN 106007125 A CN106007125 A CN 106007125A CN 201610535501 A CN201610535501 A CN 201610535501A CN 106007125 A CN106007125 A CN 106007125A
- Authority
- CN
- China
- Prior art keywords
- waste water
- dye wastewater
- dyestuff
- wastewater treatment
- treatment technique
- 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.)
- Pending
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
- C02F1/34—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
-
- 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
Abstract
The invention provides a dye wastewater treatment technology in order to solve the problems that in an existing industrial method for treating dye wastewater, the treatment difficulty is high, the treatment effect is poor, and secondary pollution risks exist. The dye wastewater treatment technology comprises the steps that a Fe-Ni-Mn/Al2O3 heterogeneous catalyst is adopted, the catalyst is added into the dye wastewater, low-frequency ultrasonic waves are additionally applied to synergistic degradation on the dye wastewater, and saturated gas with the argon-air ratio of 1:1 is blown into the dye wastewater in the degradation process. The dye wastewater treatment technology has the advantages that the degradation effect on the dye wastewater is good and superior to the sum of the degradation effect of single ultrasonic degradation and the degradation effect of direct dye wastewater treatment through a catalyst, operation is simple and easy to operate, the cost is low, and the problems that the dye wastewater is high in yield, difficult to degrade and the like are solved.
Description
Technical field
The present invention relates to a kind of high concentration, organic wastewater with difficult degradation thereby processes technique, particularly relates to a kind of dye wastewater treatment technique.
Background technology
Waste water from dyestuff mostlys come from the manufacturing enterprise of dye and dye intermediate, is made up of the dyestuff given off in dyeing and finishing process, slurry, auxiliary agent etc..Along with the fast development of printing and dyeing industry, waste water from dyestuff has become one of several topmost polluter in water body.
Dyestuff is the major pollutants in waste water from dyestuff, with all kinds of colour developing groups (such as-N=N-,-N=O etc.) and segment polarity group (-SO3 Na ,-OH ,-NH2), complicated component, colourity is deep, biodegradability is poor, often containing having bio-toxicity or the gas chromatography of " three cause effect ", belongs to the organic pollution of difficult degradation.Its characteristic:
(1) Organic substance in waste water is mostly using enomosphores such as benzene, naphthalene, anthracene, quinones as parent, and with colour developing group, color is very deep, has the strongest contaminative.
(2) waste water from dyestuff is many in acidity, also have in alkalescence, general salinity is the biggest.
(3) dye species gets more and more, and develops towards anti-light solution, antioxidation, the direction of antibiont degraded.
(4) BOD contained by waste water5Higher with COD.
(5) dyestuff can absorb light, reduce water transparency, causes visual pollution.
The processing method of waste water from dyestuff includes physico-chemical process, bioanalysis, materialization-bio combined method at present.Water-insoluble dye such as disperse dyes contained in dyestuff, sulfur dye in waste water in colloidal or suspension, it is prone to be decoloured by inorganic coagulant, contained water-soluble dye such as reactive dye are then difficult to be decoloured by inorganic coagulant, and added amount of chemical is big needed for such method, equipment and running cost are high, and inorganic anion easily causes secondary pollution；Activated carbon adsorption, anaerobic hydrolysis only have better effects to water-soluble dye, and aerobic activated sludge is to dye decolored many absorption owing to activated sludge, but this type of method mud generation amount is big；But ozone oxidation in chemical oxidation is the better method of decolouring relatively costly, and sodium hypochlorite is lower-cost decolorising agent, can cause and accelerate azo bond cracking, but be easily generated carcinogenic aniline and other noxious substances.Therefore conventional processing technique is difficult to the technology that reaches and requirement economically.
Ultrasonic degradation technology is a kind of new type water treatment technology, integrates aqueous phase burning, free-radical oxidation, high temperature pyrolysis and supercritical oxidation, non-secondary pollution, applied widely, but individually uses the existence of ultrasonic degradation Organic substance: poor efficiency, highly energy-consuming phenomenon.
The advantages such as the heterogeneous catalysis technology in advanced oxidation processes has service condition gentleness, catalyst amounts is few, dosing method is simple, treatment effeciency is high, processing speed is fast, equipment is simple and easy to operate.But its catalytic effect is not so good as homogeneous catalyst, and reacts wayward.
Visible, existing commercial run processes waste water from dyestuff, and to there is intractability big, and treatment effect is the best and the problem that can there is secondary pollution risk.
Summary of the invention
In order to solve existing commercial run, to process the intractability that waste water from dyestuff exists big, and treatment effect is the best and can there is the problem of secondary pollution risk, and the present invention proposes a kind of dye wastewater treatment technique.
One dye wastewater treatment technique of the present invention, uses Fe-Ni-Mn/Al2O3Heterogeneous catalysis, adds described catalyst in waste water from dyestuff, and low-frequency ultrasonic waves carries out Synergistic degradation to waste water from dyestuff, and blasts the saturated gas that argon gas ambient volume ratio is 1:1 in degradation process.
Further, described dye wastewater treatment condition is: < 500 mg/L, pH value be 3.0 ~ 5.0 to waste water from dyestuff initial concentration, catalyst amounts 5.0 ~ 8.0 g/L, ultrasonic power output and frequency are respectively 200 ~ 300W and 20 ~ 40 kHz.
Further, while described waste water from dyestuff adds catalyst, it has been additionally added H2O2, and H2O2Addition be 5 .0 mL/L.
Further, described dye wastewater treatment technique, comprise the following steps:
S1, waste water from dyestuff is placed in pending waste water tank, and its pH value is adjusted to 3.0 ~ 5.0；
S2, the waste water from dyestuff in step S1 is put into waste water process in work pool, and in work pool, add Fe-Ni-Mn/Al2O3Heterogeneous catalysis, turn on agitator is stirred；
S3, while opening stirring, open and connect ultrasonic generator and transducer, and in waste water from dyestuff, be filled with saturated gas by aeration head, strengthen ultrasonotomography 2 ~ 3 h；
S4, will in step S3 process after waste water put in processed waste water tank, after detection meets discharge standard discharge.
Further, in described step S1, waste water from dyestuff initial concentration is adjusted to < 500 mg/L.
Further, Fe-Ni-Mn/Al in described step S22O3
Heterogeneous catalysis is added in waste water from dyestuff by the amount that concentration is 5.0 ~ 8.0g/L.
Further, in described step S2, waste water has been additionally added H in processing work pool2O2, and H2O2Add in waste water from dyestuff by the amount that concentration is 5 .0 mL/L.
Further, in described step S3, output and the frequency of ultrasonic generator are respectively 200 ~ 300W and 20 ~ 40 kHz；Described saturated gas is the mixed gas of Ar+air, and the two 1:1 mixing by volume.
Further, the waste water process work pool wall in described step S2 is provided with cooling water temperature chuck.
In step S1 of the present invention, pH value is adjusted to 3.0 ~ 5.0, is because in acid condition, catalyst Fe-Ni-Mn/Al2O3Can more preferably play the Degradation to waste water from dyestuff；The present invention, while maintaining sonication techniques and the respective advantage of heterogeneous catalysis technology, utilizes low frequency ultrasound and heterogeneous catalysis Fe-Ni-Mn/Al2O3The cooperative effect existed, makes heterogeneous catalysis Fe-Ni-Mn/Al2O3Added amount of chemical reduce, and low frequency ultrasound produces output and frequency and is respectively 200 ~ 300W and 20 ~ 40 kHz, can reduce energy consumption；Blasting saturated gas in reaction system and also can promote the degraded of waste water from dyestuff, when mixed gas is (air+Ar), facilitation effect is preferable；H2O2Addition, the degradation rate of organic pollution in dyestuff can be improved further；The cavitation effect produced due to ultrasonication, in easily causing waste water to process work pool, solution temperature is too high, but waste water process work pool wall is provided with cooling water temperature chuck, logical supercooled water and water velocity, waste water can be controlled very well and process the temperature of solution in work pool so that it is be maintained at 20-40 DEG C；Fe-Ni-Mn/Al2O3Catalyst surface can constantly clean and update, and keeps more catalytic active site.Waste water from dyestuff chroma removal rate after the present invention a kind of dye wastewater treatment PROCESS FOR TREATMENT is up to more than 90%.
The present invention a kind of dye wastewater treatment technique have the technical effect that the good degrading effect to waste water from dyestuff, it is better than independent ultrasonic degradation and catalyst directly processes dye wastewater degradation effect sum, operation is simple for it, low cost, solves the problems such as big, the difficult degradation of waste water from dyestuff yield.
Accompanying drawing explanation
Accompanying drawing 1 is the Waste Water Treatment schematic diagram of the present invention a kind of dye wastewater treatment technique.
Detailed description of the invention
Accompanying drawing 1 is the Waste Water Treatment schematic diagram of the present invention a kind of dye wastewater treatment technique, in figure, 1 be pending waste water tank, 2 be waste water process work pool, 3 be ultrasonic generator, 4 be transducer, 5 be processed waste water tank, 6 be agitator, 7 be aeration head, 8 for Fe-Ni-Mn/Al2O3Heterogeneous catalysis, 9 being cooling water temperature chuck, as seen from the figure, one dye wastewater treatment technique of the present invention is: in pending waste water tank, is regulated by the waste water initial concentration of pending waste water to < 500 mg/L, pH value regulates to 3.0 ~ 5.0；Then waste water put into waste water process in work pool, and in waste water, put into Fe-Ni-Mn/Al2O3Heterogeneous catalysis and H2O2, open ultrasonic generator and transducer, and in waste water from dyestuff, be filled with Ar, air saturated gas by aeration head, by strengthening low frequency ultrasound degraded 2 ~ 3 h；Waste water after processing puts into processed waste water tank.
Embodiment 1:
A kind of dye wastewater treatment technique is: in pending waste water tank, is regulated by the waste water initial concentration of pending waste water to 489 mg/L, and pH value regulates to 5.0；Then waste water put into waste water process in work pool, and in waste water, be separately added into the Fe-Ni-Mn/Al of 5.0 g/L2O3Heterogeneous catalysis and the H of 5 mL/L2O2, open ultrasonic generator and transducer, wherein, the output of ultrasonic generator and frequency are respectively 200W and 20 kHz；And in waste water from dyestuff, it is filled with Ar+air saturated gas, and the two 1:1 mixing by volume by aeration head.Degraded 3 h by strengthening low frequency ultrasound；Waste water after processing puts into processed waste water tank.After testing, the chroma removal rate of processed waste water is 95.5%.
Embodiment 2:
A kind of dye wastewater treatment technique is: in pending waste water tank, is regulated by the waste water initial concentration of pending waste water to 495 mg/L, and pH value regulates to 3.0；Then waste water put into waste water process in work pool, and in waste water, be separately added into the Fe-Ni-Mn/Al of 8.0 g/L2O3Heterogeneous catalysis and the H of 5mL/L2O2, open ultrasonic generator and transducer, wherein, the output of ultrasonic generator and frequency are respectively 300W and 40 kHz；And in waste water from dyestuff, it is filled with Ar, air saturated gas, and the two 1:1 mixing by volume by aeration head.Degraded 2 h by strengthening low frequency ultrasound；Waste water after processing puts into processed waste water tank.After testing, the chroma removal rate of processed waste water is 98.2%.
Embodiment 3:
A kind of dye wastewater treatment technique is: in pending waste water tank, is regulated by the waste water initial concentration of pending waste water to 481mg/L, and pH value regulates to 4.3；Then waste water put into waste water process in work pool, and be separately added in waste water
Fe-Ni-Mn/the Al of 6.0 g/L2O3
Heterogeneous catalysis and the H of 5mL/L2O2, open ultrasonic generator and transducer, wherein, the output of ultrasonic generator and frequency are respectively 250W and 30 kHz；And in waste water from dyestuff, it is filled with Ar+air saturated gas, and the two 1:1 mixing by volume by aeration head.Degraded 2 h by strengthening low frequency ultrasound；Waste water after processing puts into processed waste water tank.After testing, the chroma removal rate of processed waste water is 97%.
One dye wastewater treatment technique of the present invention is by low frequency ultrasound and heterogeneous catalysis Fe-Ni-Mn/Al2O3Cooperative effect, it is better than independent ultrasonic degradation to the degradation effect of waste water from dyestuff and catalyst directly processes dye wastewater degradation effect sum, and operation is simple for it, low cost, solves the problems such as big, the difficult degradation of waste water from dyestuff yield.
The foregoing is only the preferred embodiments of the present invention; be not limited to the present invention, for a person skilled in the art, all within the spirit and principles in the present invention; the any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (9)
1. a dye wastewater treatment technique, uses Fe-Ni-Mn/Al2O3Heterogeneous catalysis, adds described catalyst in waste water from dyestuff, and low-frequency ultrasonic waves carries out Synergistic degradation to waste water from dyestuff, and blasts the saturated gas that argon gas ambient volume ratio is 1:1 in degradation process.
Dye wastewater treatment technique the most according to claim 1, it is characterised in that described dye wastewater treatment condition is: < 500 mg/L, pH value are 3.0 to waste water from dyestuff initial concentration
~ 5.0, catalyst amounts 5.0 ~ 8.0 g/L, ultrasonic power output and frequency are respectively 200 ~ 300W and 20 ~ 40 kHz.
Dye wastewater treatment technique the most according to claim 1, it is characterised in that while described waste water from dyestuff adds catalyst, be additionally added H2O2, and H2O2Addition be 5 .0 mL/L.
4. according to dye wastewater treatment technique according to any one of claims 1 to 3, it is characterised in that comprise the following steps:
S1, waste water from dyestuff is placed in pending waste water tank, and its pH value is adjusted to 3.0 ~ 5.0；
S2, the waste water from dyestuff in step S1 is put into waste water process in work pool, and in work pool, add Fe-Ni-Mn/Al2O3Heterogeneous catalysis, turn on agitator is stirred；
S3, while opening stirring, open and connect ultrasonic generator and transducer, and in waste water from dyestuff, be filled with saturated gas by aeration head, strengthen ultrasonotomography 2 ~ 3 h；
S4, will in step S3 process after waste water put in processed waste water tank, after detection meets discharge standard discharge.
Dye wastewater treatment technique the most according to claim 4, it is characterised in that in described step S1, waste water from dyestuff initial concentration is adjusted to < 500 mg/L.
Dye wastewater treatment technique the most according to claim 4, it is characterised in that Fe-Ni-Mn/Al in described step S22O3
Heterogeneous catalysis is added in waste water from dyestuff by the amount that concentration is 5.0 ~ 8.0 g/L.
Dye wastewater treatment technique the most according to claim 4, it is characterised in that in described step S2, waste water has been additionally added H in processing work pool2O2, and H2O2Add in waste water from dyestuff by the amount that concentration is 5 .0 mL/L.
Dye wastewater treatment technique the most according to claim 4, it is characterised in that in described step S3, output and the frequency of ultrasonic generator are respectively 200 ~ 300W and 20 ~ 40 kHz；Described saturated gas is Ar+air mixed gas, and the two 1:1 mixing by volume.
9. according to dye wastewater treatment technique according to any one of claim 5 to 8, it is characterised in that the waste water process work pool wall in described step S2 is provided with cooling water temperature chuck.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535501.9A CN106007125A (en) | 2016-07-08 | 2016-07-08 | Dye wastewater treatment technology |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610535501.9A CN106007125A (en) | 2016-07-08 | 2016-07-08 | Dye wastewater treatment technology |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106007125A true CN106007125A (en) | 2016-10-12 |
Family
ID=57108355
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610535501.9A Pending CN106007125A (en) | 2016-07-08 | 2016-07-08 | Dye wastewater treatment technology |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106007125A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892354A (en) * | 2017-09-30 | 2018-04-10 | 天津大学 | A kind of device and method of photocatalytic degradation of dye waste water |
| CN110510701A (en) * | 2019-08-16 | 2019-11-29 | 南京理工大学 | The method for bending Electrocatalysis Degradation waste water containing dye |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053837A (en) * | 2007-05-17 | 2007-10-17 | 宜兴市蓝星环保设备有限公司 | Catalyst used for water treatment catalytic oxidation |
| CN101264996A (en) * | 2008-04-15 | 2008-09-17 | 中国科学院山西煤炭化学研究所 | Method for treating aniline waste water by absorption-low temperature dry method |
| CN101428924A (en) * | 2008-12-09 | 2009-05-13 | 江苏工业学院 | Treatment of wastewater from vitamin C production with reinforcement, catalysis and ozonization of physical means |
| CN102464433A (en) * | 2010-11-15 | 2012-05-23 | 新奥科技发展有限公司 | Method and equipment for deep treating undegradable waste water |
| CN103480331A (en) * | 2013-09-10 | 2014-01-01 | 兰州大学 | Biomass magnetic carbon material for degrading organic dye |
| CN104492433A (en) * | 2014-12-18 | 2015-04-08 | 太原科技大学 | Adsorption catalyst based on activated carbon felt base as well as preparation method and application of adsorption catalyst |
| CN104528876A (en) * | 2015-01-13 | 2015-04-22 | 重庆工业职业技术学院 | High-concentration alkaline organic wastewater ultrasonic catalysis treatment method |
| CN104556344A (en) * | 2014-12-22 | 2015-04-29 | 中国天辰工程有限公司 | Treatment method for sewage produced in caprolactam ammoximation process |
| CN104646033A (en) * | 2015-02-17 | 2015-05-27 | 浙江工业大学 | Sulfonic functionalized mesoporous silicon dioxide microsphere loaded metal oxide catalyst and preparation method and application of catalyst |
-
2016
- 2016-07-08 CN CN201610535501.9A patent/CN106007125A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101053837A (en) * | 2007-05-17 | 2007-10-17 | 宜兴市蓝星环保设备有限公司 | Catalyst used for water treatment catalytic oxidation |
| CN101264996A (en) * | 2008-04-15 | 2008-09-17 | 中国科学院山西煤炭化学研究所 | Method for treating aniline waste water by absorption-low temperature dry method |
| CN101428924A (en) * | 2008-12-09 | 2009-05-13 | 江苏工业学院 | Treatment of wastewater from vitamin C production with reinforcement, catalysis and ozonization of physical means |
| CN102464433A (en) * | 2010-11-15 | 2012-05-23 | 新奥科技发展有限公司 | Method and equipment for deep treating undegradable waste water |
| CN103480331A (en) * | 2013-09-10 | 2014-01-01 | 兰州大学 | Biomass magnetic carbon material for degrading organic dye |
| CN104492433A (en) * | 2014-12-18 | 2015-04-08 | 太原科技大学 | Adsorption catalyst based on activated carbon felt base as well as preparation method and application of adsorption catalyst |
| CN104556344A (en) * | 2014-12-22 | 2015-04-29 | 中国天辰工程有限公司 | Treatment method for sewage produced in caprolactam ammoximation process |
| CN104528876A (en) * | 2015-01-13 | 2015-04-22 | 重庆工业职业技术学院 | High-concentration alkaline organic wastewater ultrasonic catalysis treatment method |
| CN104646033A (en) * | 2015-02-17 | 2015-05-27 | 浙江工业大学 | Sulfonic functionalized mesoporous silicon dioxide microsphere loaded metal oxide catalyst and preparation method and application of catalyst |
Non-Patent Citations (1)
| Title |
|---|
| 郑怀礼等: "低频超声协同Fe-Ni-Mn/Al_2O_3催化降解酸性绿B的研究", 《环境工程学报》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107892354A (en) * | 2017-09-30 | 2018-04-10 | 天津大学 | A kind of device and method of photocatalytic degradation of dye waste water |
| CN110510701A (en) * | 2019-08-16 | 2019-11-29 | 南京理工大学 | The method for bending Electrocatalysis Degradation waste water containing dye |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Nidheesh et al. | Degradation of dyes from aqueous solution by Fenton processes: a review | |
| Eren | Ultrasound as a basic and auxiliary process for dye remediation: a review | |
| CN104016511B (en) | Ozone / photocatalysis oxidation-membrane separation integrated method and integrated set for advanced wastewater treatment | |
| CN102078807B (en) | Er<3+>:YAlO3/TiO2-loaded photocatalyst and preparation method thereof | |
| Radi et al. | The comparison of sonochemistry, electrochemistry and sonoelectrochemistry techniques on decolorization of CI Reactive Blue 49 | |
| CN103304054B (en) | A kind for the treatment of process of dyeing waste water | |
| CN207659245U (en) | A kind of Fenton-photocatalytic membrane reactor wastewater treatment equipment | |
| Song et al. | Degradation of CI Direct Black 168 from aqueous solution by fly ash/H2O2 combining ultrasound | |
| CN102659235B (en) | Method for treating dye wastewater | |
| CN102616881A (en) | Treatment process for printing and dyeing wastewater | |
| Liang et al. | Enhanced degradation of azo dye alizarin yellow R in a combined process of iron–carbon microelectrolysis and aerobic bio-contact oxidation | |
| CN103613254B (en) | The deep treatment method of fine chemistry industry garden sewage work organic wastewater with difficult degradation thereby | |
| CN110156143A (en) | A kind of UV photocatalysis/microbubble ozonisation advanced waste treatment system | |
| CN102962063A (en) | Preparation of Prussian blue photo-Fenton catalyst and method for degrading organic pollutant | |
| CN204097280U (en) | A kind of Sewage treatment systems | |
| CN106007125A (en) | Dye wastewater treatment technology | |
| CN103641274B (en) | Technology for processing dye wastewater by combining advanced oxidation technology with biofilm process | |
| CN202936237U (en) | Waste flue gas cooperated printing and dyeing wastewater processing system | |
| CN109133323A (en) | A kind of Waste water treatment medicament and its application method | |
| CN205556157U (en) | Industrial waste water advanced treatment unit based on nanometer titanium dioxide takes photocatalysis | |
| Mukhlish et al. | Decolorization of Reactive Dyes from Aqueous Solution Using Combined Coagulation-Flocculation and Photochemical Oxidation (UV/H₂O₂) | |
| CN108906073B (en) | Catalyst for industrial wastewater decolorization, decolorization device and decolorization method thereof | |
| CN109650521A (en) | A kind of the catalytic degradation method and its catalyst of waste water containing dye | |
| CN110143724A (en) | A kind of new process of highly concentrated dyeing and printing sewage processing | |
| CN101863524A (en) | Photocatalytic oxidation degradation method of wastewater containing dye |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20161012 |
|
| RJ01 | Rejection of invention patent application after publication |