CN106830209A - A kind of method for improving coking chemical waste water biodegradability - Google Patents
A kind of method for improving coking chemical waste water biodegradability Download PDFInfo
- Publication number
- CN106830209A CN106830209A CN201710110889.2A CN201710110889A CN106830209A CN 106830209 A CN106830209 A CN 106830209A CN 201710110889 A CN201710110889 A CN 201710110889A CN 106830209 A CN106830209 A CN 106830209A
- Authority
- CN
- China
- Prior art keywords
- waste water
- chemical waste
- coking chemical
- electrode
- biodegradability
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/461—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis
- C02F1/467—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction
- C02F1/4672—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electrooxydation
-
- 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
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/026—Fenton's reagent
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The present invention relates to field of water pollution control, a kind of method for improving coking chemical waste water biodegradability is particularly disclosed.The method of the raising coking chemical waste water biodegradability, is process object with the coking chemical waste water through preliminary treatment, it is characterized by：Configuration includes the 3 D electrode reactor of plate, cathode plate and the granule electrode positioned between negative electrode and anode, photochemical catalyst, Fenton catalyst and electrolyte；By coking chemical waste water acid for adjusting pH value be 34 after, introduce 3 D electrode reactor treatment；By after treatment coking chemical waste water alkali regulation pH value be 78 after stewing process；Subsequent biochemical processing unit will be entered by the supernatant obtained after standing.The present invention decomposes the persistent organic pollutants in coking chemical waste water by the synergistic function between the advanced oxidations such as electrochemical oxidation, photochemical catalytic oxidation and Fenton oxidation, improves the biodegradability of coking chemical waste water.
Description
（One）Technical field
The present invention relates to field of water pollution control, more particularly to a kind of method for improving coking chemical waste water biodegradability.
（Two）Background technology
Coking chemical waste water is that coal obtains coke in high-temperature retorting and gas purification, byproduct are reclaimed and the industry produced in subtractive process
Organic wastewater.Coking chemical waste water contains the inorganic pollutions such as ammonia nitrogen and cyanogen, thiocyanate, the fluoride of higher concentration, also contains micro- life
Thing is difficult to the heterocycles such as phenol, oil, amine, naphthalene, pyridine, quinoline, the anthracene degraded and polycyclc aromatic compound (PAHs).Coking chemical waste water is dirty
Thing concentration is high for dye, complicated components, toxicity are big, biodegradability is poor（BOD5/ COD is usually no more than 0.3）, COD concentration is in 3000-
5000mg·L-1, ammonia nitrogen concentration is in 200-500mgL-1。
At present, Treatment of Coking Effluent generally uses " pretreatment+biological treatment+advanced treating " combined treatment process, pre- place
Reason generally selects the techniques such as coagulating sedimentation, air supporting, oily separation, ammonia separation, suspension, oil, vulcanization in removal coking chemical waste water
Thing, ammonia nitrogen etc., reduce biological treatment pollutional load, improve biological treatment effect.But in engineer applied, these conventional pre- places
Science and engineering process can not well reach reduction coking chemical waste water COD, improve the pretreating effect such as biochemical, ultrasound wave irradiation,
The electro-catalysis technology such as the high-level oxidation technologies such as Fenton, ozone, photochemical catalytic oxidation and light electrolysis, electrochemical redox is used in succession
In the pretreatment of coking chemical waste water, by oxidation by organic pollution direct oxidation, the macromolecular that difficulty is degraded by microorganisms
Material is oxidized to low toxicity or nontoxic small-molecule substance, improves the biodegradability of coking chemical waste water.
To improve coking chemical waste water biodegradability, improving biochemical treatment efficiency, reduction advanced treating difficulty, guarantee wastewater treatment
System stable operation and treatment effect, satisfaction recycle water quality requirement, are developed for the new technology side of coking chemical waste water pretreatment
Method has important theoretical and practical values.
（Three）The content of the invention
The present invention is in order to make up the deficiencies in the prior art, there is provided a kind of operating condition is gentle, influence small to subsequent treatment, reduces
The method of the raising coking chemical waste water biodegradability of solid waste discharge.
The present invention is achieved through the following technical solutions：
A kind of method for improving coking chemical waste water biodegradability, is to deal with objects with the coking chemical waste water through preliminary treatment, including as follows
Step：
（1）Configuration includes plate, cathode plate and the granule electrode positioned between negative electrode and anode, photochemical catalyst, Fenton
The 3 D electrode reactor of catalyst and electrolyte；
（2）After being 3-4 by coking chemical waste water acid for adjusting pH value, 3 D electrode reactor treatment is introduced, entered by the waste water
The advanced oxidation such as row electrochemical oxidation and photochemical catalytic oxidation, Fenton oxidation, the difficult degradation decomposed in the coking chemical waste water has
Organic pollutants, strengthen the biodegradability of the coking chemical waste water, improve the BOD of the coking chemical waste water5The ratio (B/C ratios) of/COD；
（3）It is stewing process after 7-8 by the coking chemical waste water alkali regulation pH value after treatment；
（4）Subsequent biochemical processing unit will be entered by the supernatant obtained after standing.
High-level oxidation technology is combined treatment organic wastewater with difficult degradation thereby with electro-catalysis technology, makees with obvious Synergistic
With treatment effect can be significantly improved；Electrochemical redox technology belongs to traditional two-dimensional electrode wastewater processing technology, extensively
For wastewater treatment.But there is the deficiencies such as honorable smaller, current efficiency is low, treatment effect is undesirable；Fenton method is logical
The sacrificial anode crossed in electrochemical method produces Fe3+Or Fe2+Ion, while the oxygen generation H in water2O2, constitute Fenton reagent；
Or promote additional Fe3+/Fe2+Circulation and H2O2Hydroxyl radical free radical is converted into, the degradation efficiency of organic pollution is improved；To enter
One step improves the degradation efficiency of organic pollutant, and illumination (visible ray, ultraviolet light etc.) association is introduced in the system of Fenton
With degradation of organic substances pollutant, the Fenton methods under photoelectro-Fenton process method, i.e. photoelectric-synergetic effect are formed；Three-diemsnional electrode is
Add granule electrode to constitute the 3rd electrode between electrode pad, make current efficiency, specific surface area and the mass-transfer efficiency of reactor bright
It is aobvious to improve, so as to improve persistent organic pollutants degradation efficiency.
It is low to overcome the shortcomings of single high-level oxidation technology or electro-catalysis technical finesse coking chemical waste water efficiency, improve coking
Wastewater Pretreatment effect, the coking chemical waste water biodegradability that improves, it is of the invention to electrochemical redox two-dimensional electrode waste water treater
Middle addition granule electrode, photochemical catalyst and Fenton catalyst, under illumination condition, form three dimensional particles electrode collaboration photoelectricity
Fenton methods are used for preprocessing coking wastewater.
More excellent technical scheme of the invention is：
The coking chemical waste water is the production waste water of coal tar chemical industry or coal gas industry, and there is no particular limitation in its source；Tentatively
It is processed as one or more treatment in gravity oil-removing, air supporting, dephenolize, depickling and ammonia still process.
Step（1）In, plate and cathode plate are graphite electrode, and granule electrode is Jiao of loaded metal ion
Powder, photochemical catalyst is TiO2, Fenton catalyst is soluble ferrite, and electrolyte is soluble inorganic salt.
Step（1）In, plate is inserted perpendicularly into coking chemical waste water with cathode plate and two sides is parallel, and pole plate spacing is 2-
The area of 10cm, anode yoke and cathode plate is 30-150cm2, current density is 10-100mA/cm2。
Step（2）In, the running temperature of 3 D electrode reactor is 5-50 DEG C, and process time is 5-30min, three-diemsnional electrode
The high-pressure sodium lamp that power is 100-1000W is provided with the 1-5cm of reactor top.
Step（2）In, in 3 D electrode reactor, during the electrical conductivity ＜ 1mS/cm of coking chemical waste water, add soluble inorganic
Salt is adjusted, and makes electrical conductivity >=1mS/cm.
The granule electrode is the coke powder of the loaded metal ion in suspended state, consumption Ei coking chemical waste water weight
0.5-5%, coke powder particle diameter is 0.5-2mm, is soaked with loaded metal ion solution after pretreatment, then formed through high-temperature calcination.
The photochemical catalyst is Nano titanium dioxide, and consumption is the 0.01-0.1% of coking chemical waste water weight.
The consumption of the Fenton catalyst is the 0.1-1.5% of coking chemical waste water weight.
The present invention adds granule electrode, photochemical catalyst and Fenton to urge in two interpolars of conventional two-dimensional electrode waste water treater
Agent, while with high voltage mercury lamp radiation, form three dimensional particles electrode collaboration photoelectro-Fenton process method, can for improve coking chemical waste water
Biochemical.The method have the characteristics that three dimensional particles electrode, photocatalysis and Fenton reagent are united and applied at coking chemical waste water
Reason, is acted synergistically by advanced oxidations such as electrochemical oxidation, photochemical catalytic oxidation and Fenton oxidations, in the decomposition coking chemical waste water
Persistent organic pollutants, strengthen the biodegradability of the coking chemical waste water, improve the BOD of the coking chemical waste water5The ratio of/COD
(B/C ratios).
The present invention has advantages below：
（1）Three dimensional particles electrode, photocatalysis and Fenton reagent method for treating water are united and applied in Treatment of Coking Effluent；
（2）By the synergistic function between the advanced oxidations such as electrochemical oxidation, photochemical catalytic oxidation and Fenton oxidation, decompose burnt
Change the persistent organic pollutants in waste water, improve the biodegradability of coking chemical waste water；
（3）Hydrogen peroxide is produced by electrochemical action, photocatalysis, in Fe2+In the presence of be quickly generated with strong
The hydroxyl radical free radical of oxidation；
（4）The recycling of useless coke powder is realized, the discharge of coking production solid waste is reduced；
（5）Operating condition is gentle, small on subsequent biochemical treatment influence, it is easy to be connected with biochemical processing process.
（Four）Brief description of the drawings
The present invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is reaction unit structural representation of the invention.
In figure, 1 power supply, 23 D electrode reactors, 3 plates, 4 cathode plates, 5 granule electrodes, 6 photochemical catalysts, 7
Water inlet, 8 delivery ports, 9 high-pressure sodium lamps.
（Five）Specific embodiment
The present invention is described in further details by specific embodiment.
In the following embodiments, as shown in Fig. 1, coking chemical waste water is sent to three-dimensional electrode reactor from water inlet 7
In device 2, the 3 D electrode reactor 2 is placed under the irradiation of high-pressure sodium lamp 9, when power supply 1 is that plate 3 and cathode plate 4 are provided
When voltage, the organic pollution in granule electrode 5, the synergy Coke-oven Wastewater of photochemical catalyst 6 is degraded, treatment
After end, 3 D electrode reactor 2 is discharged from delivery port 8.
Embodiment 1：
The present embodiment is used for the method for illustrating raising coking chemical waste water biodegradability of the invention.
The appropriate coking chemical waste water managed through gravity oil-removing and air supporting etc. is added to the three-diemsnional electrode for having configured anti-
Answer in device, the plate and cathode plate area are 30cm2, pole plate spacing 2cm, current density is 10mA/cm2, particle
Electrode (load Fe2+Particle diameter be 0.5mm coke powders) consumption for coking chemical waste water gross weight 0.5%, photochemical catalyst (nanoscale dioxy
Change titanium) consumption is 0.01%, Fenton catalyst (ferrous sulfate) consumption of coking chemical waste water gross weight for coking chemical waste water gross weight
0.1%, the electrical conductivity >=1mS/cm of coking chemical waste water is adjusted with sodium sulphate, high-pressure sodium lamp (power is 100W) is placed in reactor top
1cm, running temperature is controlled at 20 DEG C, and the time is 10min, the COD and BOD of its water outlet5As shown in table 1.
Embodiment 2：
The present embodiment is used for the method for illustrating raising coking chemical waste water biodegradability of the invention.
The appropriate coking chemical waste water managed through gravity oil-removing and air supporting etc. is added to the three-diemsnional electrode for having configured anti-
Answer in device, the plate and cathode plate area are 150cm2, pole plate spacing 10cm, current density is 100mA/cm2,
Granule electrode (load Mn2+Particle diameter be 1mm coke powders) consumption for coking chemical waste water gross weight 5%, photochemical catalyst (nanoscale dioxy
Change titanium) consumption is 0.1%, Fenton catalyst (ferrous sulfate) consumption of coking chemical waste water gross weight for coking chemical waste water gross weight
1.5%, the electrical conductivity >=1mS/cm of coking chemical waste water is adjusted with sodium sulphate, high-pressure sodium lamp (power is 1000W) is placed in reactor top
5cm, running temperature is controlled at 10 DEG C, and the time is 5min, the COD and BOD of its water outlet5As shown in table 1.
Embodiment 3：
The present embodiment is used for the method for illustrating raising coking chemical waste water biodegradability of the invention.
The appropriate coking chemical waste water managed through gravity oil-removing and air supporting etc. is added to the three-diemsnional electrode for having configured anti-
Answer in device, the plate and cathode plate area are 50cm2, pole plate spacing 5cm, current density is 30mA/cm2, particle
Electrode (load Zn2+Particle diameter be 2mm coke powders) consumption for coking chemical waste water gross weight 2%, photochemical catalyst (Nano titanium dioxide)
Consumption is the 0.5% of coking chemical waste water gross weight for 0.05%, Fenton catalyst (frerrous chloride) consumption of coking chemical waste water gross weight,
Electrical conductivity >=the 1mS/cm of coking chemical waste water is adjusted with sodium sulphate, high-pressure sodium lamp (power is 500W) is placed in reactor top 3cm,
Running temperature is controlled at 35 DEG C, and the time is 30min, the COD and BOD of its water outlet5As shown in table 1.
Embodiment 4：
The present embodiment is used for the method for illustrating raising coking chemical waste water biodegradability of the invention.
The appropriate coking chemical waste water managed through gravity oil-removing and air supporting etc. is added to the three-diemsnional electrode for having configured anti-
Answer in device, the plate and cathode plate area are 150cm2, pole plate spacing 10cm, current density is 100mA/cm2,
Granule electrode (load Fe2+Particle diameter be 1mm coke powders) consumption for coking chemical waste water gross weight 5%, photochemical catalyst (nanoscale dioxy
Change titanium) consumption is 0.1%, Fenton catalyst (ferrous sulfate) consumption of coking chemical waste water gross weight for coking chemical waste water gross weight
1.5%, the electrical conductivity >=1mS/cm of coking chemical waste water is adjusted with sodium sulphate, high-pressure sodium lamp (power is 1000W) is placed in reactor top
5cm, running temperature is controlled at 10 DEG C, and the time is 5min, the COD and BOD of its water outlet5As shown in table 1.
Embodiment 5：
The present embodiment is used for the method for illustrating raising coking chemical waste water biodegradability of the invention.
The appropriate coking chemical waste water managed through gravity oil-removing and air supporting etc. is added to the three-diemsnional electrode for having configured anti-
Answer in device, the plate and cathode plate area are 50cm2, pole plate spacing 5cm, current density is 30mA/cm2, particle
Electrode (load Fe2+Particle diameter be 0.5mm coke powders) consumption for coking chemical waste water gross weight 2%, photochemical catalyst (nanoscale titanium dioxide
Titanium) consumption is 0.05%, Fenton catalyst (ferrous sulfate) consumption of coking chemical waste water gross weight for coking chemical waste water gross weight
0.5%, the electrical conductivity >=1mS/cm of coking chemical waste water is adjusted with sodium sulphate, high-pressure sodium lamp (power is 500W) is placed in reactor top
3cm, running temperature is controlled at 35 DEG C, and the time is 30min, the COD and BOD of its water outlet5As shown in table 1.
Comparative example 1：
Method according to embodiment 1, except that, unused high voltage mercury lamp radiation reactor, the COD and BOD of its water outlet5
As shown in table 1.
Comparative example 2：
Method according to embodiment 1, except that, not to adding granule electrode in reactor, the COD of its water outlet and
BOD5As shown in table 1.
Comparative example 3：
Method according to embodiment 1, except that, it is not powered to reactor electrodes pole plate, the COD and BOD of its water outlet5
As shown in table 1.
Above content is to combine specific preferred embodiment further description made for the present invention, it is impossible to assert
Specific implementation of the invention is confined to these explanations.
Above content specifically describes the preferred embodiments of the invention, but, the present invention is not limited to above-mentioned embodiment party
Detail in case, in concept of the invention, can carry out various modifications to technical scheme, and these are repaiied
Change and belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance
In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to it is various can
The combination of energy is no longer separately illustrated.
Additionally, can also be combined between a variety of embodiments of the invention, as long as it is without prejudice to originally
The technological thought of invention, it should equally be considered as content disclosed in this invention.
Claims (9)
1. a kind of method for improving coking chemical waste water biodegradability, is process object, its feature with the coking chemical waste water through preliminary treatment
To comprise the following steps：（1）Configuration includes that plate, cathode plate and the granule electrode positioned between negative electrode and anode, light are urged
The 3 D electrode reactor of agent, Fenton catalyst and electrolyte；（2）After being 3-4 by coking chemical waste water acid for adjusting pH value, draw
Enter 3 D electrode reactor treatment；（3）It is stewing process after 7-8 by the coking chemical waste water alkali regulation pH value after treatment；（4）Will be through
Cross the supernatant obtained after standing and enter subsequent biochemical processing unit.
2. it is according to claim 1 improve coking chemical waste water biodegradability method, it is characterised in that：The coking chemical waste water is
Coal tar chemical industry or the production waste water of coal gas industry, preliminary treatment is in gravity oil-removing, air supporting, dephenolize, depickling and ammonia still process
One or more treatment.
3. it is according to claim 1 improve coking chemical waste water biodegradability method, it is characterised in that：Step（1）In, anode
Pole plate and cathode plate are graphite electrode, and granule electrode is the coke powder of loaded metal ion, and photochemical catalyst is TiO2,
Fenton catalyst is soluble ferrite, and electrolyte is soluble inorganic salt.
4. it is according to claim 1 improve coking chemical waste water biodegradability method, it is characterised in that：Step（1）In, anode
Pole plate is inserted perpendicularly into coking chemical waste water with cathode plate and two sides is parallel, and pole plate spacing is 2-10cm, anode yoke and negative electrode pole
The area of plate is 30-150cm2, current density is 10-100mA/cm2。
5. it is according to claim 1 improve coking chemical waste water biodegradability method, it is characterised in that：Step（2）In, it is three-dimensional
The running temperature of electrode reactor is 5-50 DEG C, and process time is 5-30min, is set at the 1-5cm of 3 D electrode reactor top
There is the high-pressure sodium lamp that power is 100-1000W.
6. it is according to claim 1 improve coking chemical waste water biodegradability method, it is characterised in that：Step（2）In, it is three-dimensional
In electrode reactor, during the electrical conductivity ＜ 1mS/cm of coking chemical waste water, add soluble inorganic salt be adjusted, make electrical conductivity >=
1mS/cm。
7. it is according to claim 3 improve coking chemical waste water biodegradability method, it is characterised in that：The granule electrode is
The coke powder of the loaded metal ion in suspended state, the 0.5-5% of consumption Ei coking chemical waste water weight, coke powder particle diameter is 0.5-
2mm, is soaked, then formed through high-temperature calcination with loaded metal ion solution after pretreatment.
8. it is according to claim 3 improve coking chemical waste water biodegradability method, it is characterised in that：The photochemical catalyst is
Nano titanium dioxide, consumption is the 0.01-0.1% of coking chemical waste water weight.
9. it is according to claim 3 improve coking chemical waste water biodegradability method, it is characterised in that：The Fenton catalysis
The consumption of agent is the 0.1-1.5% of coking chemical waste water weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110889.2A CN106830209A (en) | 2017-02-28 | 2017-02-28 | A kind of method for improving coking chemical waste water biodegradability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710110889.2A CN106830209A (en) | 2017-02-28 | 2017-02-28 | A kind of method for improving coking chemical waste water biodegradability |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106830209A true CN106830209A (en) | 2017-06-13 |
Family
ID=59134455
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710110889.2A Pending CN106830209A (en) | 2017-02-28 | 2017-02-28 | A kind of method for improving coking chemical waste water biodegradability |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106830209A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522354A (en) * | 2017-08-23 | 2017-12-29 | 萍乡市华星化工设备填料有限公司 | High-efficiency coking wastewater comprehensive treatment method |
| CN108217854A (en) * | 2018-01-23 | 2018-06-29 | 西安建筑科技大学 | A kind of method using Novel electric adsorption technology processing coking/semi-coke wastewater |
| CN113248057A (en) * | 2021-04-29 | 2021-08-13 | 濮阳天地人环保科技股份有限公司 | Method for treating shallow bubble gas production wastewater by virtue of electrochemistry and sodium hypochlorite |
| CN113493238A (en) * | 2021-07-15 | 2021-10-12 | 浙江大学 | Method for treating landfill leachate biochemical tail water by using three-dimensional electrode and persulfate advanced oxidation technology |
| CN113666545A (en) * | 2021-07-22 | 2021-11-19 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Treatment method for pickling organic waste liquid by using EDTA as cleaning medium |
| CN115138375A (en) * | 2022-07-06 | 2022-10-04 | 中钢集团鞍山热能研究院有限公司 | Method for preparing three-dimensional particle electrode by using waste three-way catalyst and application of electrode |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435134A (en) * | 2013-08-23 | 2013-12-11 | 西安科技大学 | Method for improving biodegradability of semi-coking wastewater based on CNTs/Fe3O4 three-dimensional electric-Fenton |
| CN103449563A (en) * | 2013-09-06 | 2013-12-18 | 广西大学 | Method for removing organic matter under synergy of visible light photoelectric catalysis and three-dimensional electrode/electro-fenton |
| CN104710058A (en) * | 2015-01-22 | 2015-06-17 | 华北电力大学 | Papermaking wastewater treatment method |
| CN205099522U (en) * | 2015-11-03 | 2016-03-23 | 湖南永清环保研究院有限责任公司 | A device that is used for three -dimensional electrode light electro -fenton method to handle difficult degradation organic waste water |
| CN105776738A (en) * | 2016-03-22 | 2016-07-20 | 中国环境科学研究院 | Method and device for pre-treating organic wastewater |
-
2017
- 2017-02-28 CN CN201710110889.2A patent/CN106830209A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103435134A (en) * | 2013-08-23 | 2013-12-11 | 西安科技大学 | Method for improving biodegradability of semi-coking wastewater based on CNTs/Fe3O4 three-dimensional electric-Fenton |
| CN103449563A (en) * | 2013-09-06 | 2013-12-18 | 广西大学 | Method for removing organic matter under synergy of visible light photoelectric catalysis and three-dimensional electrode/electro-fenton |
| CN104710058A (en) * | 2015-01-22 | 2015-06-17 | 华北电力大学 | Papermaking wastewater treatment method |
| CN205099522U (en) * | 2015-11-03 | 2016-03-23 | 湖南永清环保研究院有限责任公司 | A device that is used for three -dimensional electrode light electro -fenton method to handle difficult degradation organic waste water |
| CN105776738A (en) * | 2016-03-22 | 2016-07-20 | 中国环境科学研究院 | Method and device for pre-treating organic wastewater |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107522354A (en) * | 2017-08-23 | 2017-12-29 | 萍乡市华星化工设备填料有限公司 | High-efficiency coking wastewater comprehensive treatment method |
| CN108217854A (en) * | 2018-01-23 | 2018-06-29 | 西安建筑科技大学 | A kind of method using Novel electric adsorption technology processing coking/semi-coke wastewater |
| CN113248057A (en) * | 2021-04-29 | 2021-08-13 | 濮阳天地人环保科技股份有限公司 | Method for treating shallow bubble gas production wastewater by virtue of electrochemistry and sodium hypochlorite |
| CN113493238A (en) * | 2021-07-15 | 2021-10-12 | 浙江大学 | Method for treating landfill leachate biochemical tail water by using three-dimensional electrode and persulfate advanced oxidation technology |
| CN113666545A (en) * | 2021-07-22 | 2021-11-19 | 中国大唐集团科学技术研究院有限公司中南电力试验研究院 | Treatment method for pickling organic waste liquid by using EDTA as cleaning medium |
| CN115138375A (en) * | 2022-07-06 | 2022-10-04 | 中钢集团鞍山热能研究院有限公司 | Method for preparing three-dimensional particle electrode by using waste three-way catalyst and application of electrode |
| CN115138375B (en) * | 2022-07-06 | 2023-07-28 | 中钢集团鞍山热能研究院有限公司 | Method for preparing three-dimensional particle electrode by using waste three-way catalyst and application of electrode |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106830209A (en) | A kind of method for improving coking chemical waste water biodegradability | |
| CN102092820A (en) | Method and device for removing organic matters from water by using double-pool double-effect visible light in response to photo-electro-Fenton reaction | |
| CN102070230A (en) | Method for removing organic matters in water by utilizing three-dimensional electrode electro-fenton and device thereof | |
| CN108529714B (en) | Photoelectrochemical reaction tank and method for treating hydrogen sulfide waste gas and waste water by using same | |
| CN107758836B (en) | Method for removing refractory organic matters through in-situ coupling of microbial fuel cell and persulfate Fenton technology | |
| CN102976451A (en) | Wastewater treatment device and method for in-situ electric generation of H2O2 cooperating with O3 oxidation | |
| CN103449563B (en) | Method for removing organic matter under synergy of visible light photoelectric catalysis and three-dimensional electrode/electro-fenton | |
| CN104556533B (en) | Treatment method for reverse osmosis concentrated water | |
| CN108358362A (en) | A kind of deep treatment method of high concentrated organic wastewater | |
| CN110845057A (en) | Electrochemical coupling ozone micro-nano bubble treatment system and wastewater treatment method | |
| CN112811678B (en) | Improved double-cathode non-aeration electro-Fenton sewage treatment device and method | |
| CN108911046B (en) | Method for disinfecting three-dimensional electrode primary battery and ferrous activated persulfate | |
| CN112159011A (en) | Advanced oxidation system of ultraviolet/ozone coupling catalyst and sewage treatment process | |
| CN109721148A (en) | A kind of catalytic ozonation water treatment technology and application method that ability is cut down with bromate of heterojunction boundary electron transmission induction | |
| CN104787949A (en) | Method and device for treating refuse leachate through photoelectric Fenton oxidation reaction based on modified gas diffusion electrode | |
| CN102211830A (en) | Method for treating cutting liquid wastewater by electro-catalytic oxidation | |
| CN211946615U (en) | Electrochemical coupling ozone micro-nano bubble processing system | |
| CN105731604A (en) | Advanced treatment method for electroplating wastewater | |
| CN110282705A (en) | A kind of novel pipe electricity Fenton oxidation reaction unit | |
| CN111298821A (en) | Method for preparing novel iron-nitrogen-carbon catalyst by utilizing printing and dyeing wastewater flocculated sludge | |
| CN107200422B (en) | Method for electrochemically pretreating gold ore dressing and smelting residual organic matters and cyanide-containing wastewater | |
| CN101811758A (en) | Wastewater treatment method by combination of three-dimensional electrode and electro-Fenton | |
| CN108178252B (en) | Four-electrode double-electrolysis system and method for treating refractory organic wastewater by adopting same | |
| CN113149154A (en) | Method for oxidizing pollutants in water by coupling electricity/ozone/permanganate | |
| CN102211832B (en) | Method for treating cutting fluid wastewater by photocatalytic oxidation |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |