CN101244854A - Iron carbon micro electrolyser and method for processing ceramic phenol wastewater - Google Patents
Iron carbon micro electrolyser and method for processing ceramic phenol wastewater Download PDFInfo
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- CN101244854A CN101244854A CNA2008100269050A CN200810026905A CN101244854A CN 101244854 A CN101244854 A CN 101244854A CN A2008100269050 A CNA2008100269050 A CN A2008100269050A CN 200810026905 A CN200810026905 A CN 200810026905A CN 101244854 A CN101244854 A CN 101244854A
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Abstract
The invention discloses an iron and charcoal micro-electrolysis device and a method for treating ceramic phenolic wastewater; wherein, the iron and charcoal micro-electrolysis device comprises a square tank, a feed opening and a feeding system are arranged at the left side of the tank, a water outlet is positioned at the right side of the tank, a pump reflux device is arranged at the upper end of the tank, and an aerating system is arranged at the bottom of the square tank; the iron and charcoal micro-electrolysis device is characterized in that a micro-electrolysis roller is arranged in the tank, and the inside of the roller is distributed in steps and is separated and filled with multilayer filler. The method in the invention comprises the following steps: putting the sewage with acid liquor in the square tank for two to three hours and then discharging the purified water after chemical oxidation treatment. The micro-electrolysis device has the advantages of low sewage treatment cost, large treating quantity, high treating efficiency, full reaction, low investment, low operating cost, and good and stable treating effect; moreover, the iron and charcoal micro-electrolysis device has the advantages of removing part difficult-to-degrade materials, improving the biodegradability of wastewater and enjoying good popularization value.
Description
Technical field
The present invention relates to the treatment unit technical field of ceramic phenol wastewater, more particularly relate to a kind of micro-electrolysis device and method of utilizing electrochemical principle to handle waste water.
Background technology
At present, continuous development along with ceramic technology, the waste water that produces in the production process is serious day by day to the pollution of environment, the intractability maximum of phenolic wastewater wherein, therefore administering ceramic phenol wastewater has been an important task, and the common method of conventional process phenolic wastewater mainly contains physics method, chemical method and biochemical process.Physics method and chemical method comprise that mainly absorption, extraction, gas mentions methods such as distillation, ion-exchange, membrane sepn, chemical oxidation, photochemical catalytic oxidation.More than its treatment process, scope is wide.But there is the reagent costliness in the method for these processing, the shortcoming that energy consumption is high.Make the processing rate of phenolic wastewater be difficult to bring up to effluent standard, thereby limited their extensively promoting the use of at home.
Micro-electrolysis method is to utilize Principles of Metal Erosion, form a kind of electrochemical method that galvanic cell is handled waste water, this kind method has obtained using widely in handling waste water, have applied widely, advantages such as treatment effect good, with low cost and convenient operating maintenance, this method has become a kind of novel, novel method of new prospect, new installation in handling ceramic phenol wastewater.Main filler is iron and charcoal in the little electrolytic cell of iron charcoal, in actual motion, tend to expose a lot of problems, the little electrolyzer of iron charcoal of actual motion is a horizontal square tank body, the water inlet of waste water left side, the right side water outlet, waste water is under the powerful electrochemical energy effect of iron-charcoal microbattery electric field, colloidal particle and impurity pass through electrodeposition, cohesion and redox and be removed, device some problems will occur after operation for some time, such as in the square tank body phenomenon that hardens will be arranged, thereby greatly reduce treatment effect, when waste strength is too high, treatment effect is just unstable, frequently recoil and regenerate, and has brought very big workload.
Summary of the invention
A kind of not only cost that purpose of the present invention provides for the deficiency that solves prior art is low, treatment capacity is big, efficient is high, and can effectively solve the iron carbon micro electrolyser of the processing ceramic phenol wastewater of square tank body inner panel junction phenomena.
Another object of the present invention provides that cost is low, treatment capacity is big, efficient is high, and can effectively solve the harden little electrolysis process of iron charcoal of processing ceramic phenol wastewater of phenomenon of little electrolytic cell.
The present invention adopts following technical solution to realize above-mentioned purpose: a kind of iron carbon micro electrolyser of handling ceramic phenol wastewater, the tank body that comprises sealing, the side of tank body is provided with water-in, tank body top is provided with blowback stream device, the bottom of tank body is provided with aerating system, it is characterized in that: described tank interior is provided with little electrolysis cylinder and dynamic retarding system, and the inside of little electrolysis cylinder is fractional distribution, the inner filling multilayer filler of separating of cylinder.
As further specifying of such scheme, the tank body of described sealing is square tank body, and water-in and water outlet form are tubular type.
The tank base of described sealing is furnished with the blast main of handling in order to aeration, and little electrolysis cylinder is provided with the deceleration variable speed drive system.
Have pipeline to distribute on the tank body of described sealing, the blowback stream device on tank body top is positioned on this pipeline, and the entery and delivery port of pipeline is separately positioned on a jar intravital upper and lower end.
A kind of little electrolysis process of iron charcoal of handling ceramic phenol wastewater is characterized in that it comprises the steps:
A, earlier add acid solution in the sewage and mix, and control sewage pH value and reach 2.0-3.5;
B, start little electrolysis cylinder, and the sewage that will sneak into acid solution is placed in little electrolysis cylinder of splendid attire iron and carbon filling material and rolled 2～3 hours, simultaneously, in square tank body, be blown into air from square tank base;
C, sewage that the b process is come out from square tank body are discharged clean water again through chemical oxidation.
The beneficial effect that the present invention adopts above-mentioned technical solution to reach is:
1, the present invention adopts in the square tank body of sealing little electrolysis cylinder, and iron-carbon filling material will the phase mutual friction along with the rotation of little electrolysis cylinder, and the passive film that the iron carbon surface is formed is brought in constant renewal in, thereby has solved square jar of intravital scale formation; Can add iron powder by the feed system continuous and quantitative in the tank body, keep fleut active good, prevented from caking.
2, aerating system is adopted in the bottom of square tank body, is beneficial to the increase that contacts of waste water and iron charcoal; Be furnished with blast main and handle in order to aeration, can increase the contact area of iron, charcoal, waste water and air greatly, raise the efficiency, the clearance of chemical oxygen demand (COD) of the present invention reaches 50-60% after tested; Little electrolysis cylinder adopts the deceleration speed change system to drive, and mixes, and waste water is fully contacted with iron powder, and reaction effect is good, stable.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Description of reference numerals: 1, water-in 2, aerating system 3, water outlet 4, blowback stream device 5, square tank body 6, little electrolysis cylinder
Embodiment
As shown in Figure 1, the present invention handles the iron carbon micro electrolyser of ceramic phenol wastewater, comprises the square tank body 5 of sealing, and tank body is provided with blowback stream device 4, the left side of tank body is provided with water-in 1, the tank body right side is provided with water outlet 3, and tank interior is provided with little electrolysis cylinder 6, in the present embodiment, cylinder adopts the deceleration speed change system to drive, little electrolysis cylinder 6 is fractional distribution, separates filling multilayer filler in the cylinder, and this filler is iron and charcoal.The water-in 1 of square tank body 5 and water outlet 3 forms are tubular type, square tank body 5 bottoms are furnished with the aerating system of handling in order to aeration 2, this aerating system 2 is set to blast main, there is pipeline to distribute in the square tank body 5, the blowback stream device 4 on tank body top is positioned on this pipeline, and the entery and delivery port of pipeline is separately positioned on the upper and lower end of tank body.
The principle that the present invention handles the iron carbon micro electrolyser of ceramic phenol wastewater is, owing to contain charcoal in the iron powder, when sewage contacts with iron powder, iron is anode, and charcoal is a negative electrode, and the orientation of carrying out electronics moves, there is little electric current to flow, form thousands upon thousands small batteries, produced little electrolysis, just redox reaction:
Anodic reaction: Fe-2e → Fe
2+ E
0(Fe
2+/Fe)=-0.44V
Cathodic reaction: 2H++2e → 2H → H
2↑ E
0(H+/H
2)=0.00V
Can be blown into air in square tank body from the square tank base of iron charcoal in the solution of the present invention, its effect is: strengthen micro-electrolysis reaction intensity, under aeration condition following reaction will take place:
Acidic conditions: O
2+ 4H++4e → 2H
2O E
0(O
2)=1.23V
Neutrallty condition: O
2+ 2H
2O+4e → 4OH-E
0(O
2/ OH-)=0.40V
A kind of method of utilizing iron carbon micro electrolyser to handle ceramic phenol wastewater, it comprises the steps:
A, earlier add acid solution in the sewage and mix, and control sewage pH value and reach 2.0-3.5;
B, start little electrolysis cylinder, and the sewage that will sneak into acid solution is placed in the square tank body of splendid attire iron and carbon filling material and rolled 2～3 hours, simultaneously, start aerating system from square tank base to square tank interior and carry out aeration;
C, sewage that the b process is come out from square tank body are discharged clean water again through chemical oxidation.
When utilizing iron carbon micro electrolyser to handle ceramic phenol wastewater, the oil-gas field sewage chemical oxygen demand (COD) after broken glue coagulating treatment that with chemical oxygen demand (COD) is 1600mg/L reaches 500.6mg/L, reach 2.0-3.5 to wherein adding the acid solution mixing and controlling sewage pH value, the sewage of sneaking into acid solution is placed in the square tank body 2～3 hours, square jar of intravital little electrolysis cylinder is fractional distribution, separate filling multilayer filler in the cylinder, and in square tank body, carry out aeration from square tank base; Reach 265.2mg/L through measuring the sewage chemical oxygen demand that comes out from square tank body; This sewage again behind chemical oxidation chemical oxygen demand (COD) reach 45.41mg/L, thereby reach national composite wastewater first discharge standard.
The present invention is not limited to the foregoing description, and described square tank body can also be set to other structural shape except adopting closed square body, and therefore the equivalent variations of being done according to the present patent application claim still belongs to the scope that the present invention is contained.
Claims (6)
1, a kind of iron carbon micro electrolyser of handling ceramic phenol wastewater, the tank body that comprises sealing, the side of tank body is provided with water-in, tank body top is provided with blowback stream device, the bottom of tank body is provided with aerating system, it is characterized in that: described tank interior is provided with little electrolysis cylinder and dynamic retarding system, and the inside of little electrolysis cylinder is fractional distribution, the inner filling multilayer filler of separating of cylinder.
2, the iron carbon micro electrolyser of processing ceramic phenol wastewater according to claim 1 is characterized in that, the tank body of described sealing is square tank body, and water-in and water outlet form are tubular type.
3, the iron carbon micro electrolyser of processing ceramic phenol wastewater according to claim 1 is characterized in that, the tank base of described sealing is furnished with the blast main of handling in order to aeration, and little electrolysis cylinder is provided with the deceleration variable speed drive system.
4, the iron carbon micro electrolyser of processing ceramic phenol wastewater according to claim 1, it is characterized in that, have pipeline to distribute on the tank body of described sealing, the blowback stream device on tank body top is positioned on this pipeline, and the entery and delivery port of pipeline is separately positioned on a jar intravital upper and lower end.
5, any method of handling the iron carbon micro electrolyser correspondence of ceramic phenol wastewater in a kind of claim 1～4 is characterized in that it comprises the steps:
A, earlier add acid solution in the sewage and mix, and control sewage pH value and reach 2.0-3.5;
B, start little electrolysis cylinder, the sewage of sneaking into acid solution is placed in the cylinder of splendid attire iron and carbon filling material and rolled 2～3 hours;
C, sewage that the b process is come out in little electrolysis cylinder is through chemical oxidation treatment, draining.
6, the little electrolysis process of iron charcoal of processing ceramic phenol wastewater according to claim 5 is characterized in that, in the described method steps b process, also need carry out aeration in tank body in tank base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100269050A CN101244854B (en) | 2008-03-20 | 2008-03-20 | Iron carbon micro electrolyser and method for processing ceramic phenol wastewater |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008100269050A CN101244854B (en) | 2008-03-20 | 2008-03-20 | Iron carbon micro electrolyser and method for processing ceramic phenol wastewater |
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| Publication Number | Publication Date |
|---|---|
| CN101244854A true CN101244854A (en) | 2008-08-20 |
| CN101244854B CN101244854B (en) | 2010-09-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008100269050A Expired - Fee Related CN101244854B (en) | 2008-03-20 | 2008-03-20 | Iron carbon micro electrolyser and method for processing ceramic phenol wastewater |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973606A (en) * | 2010-11-19 | 2011-02-16 | 上海交通大学 | Dynamic micro-electrolysis waste water treatment device and water treatment method thereof |
| CN102001778A (en) * | 2010-12-16 | 2011-04-06 | 北京中兵北方环境科技发展有限责任公司 | Double-stage dynamic microelectrolyzing device |
| CN112093857A (en) * | 2020-08-03 | 2020-12-18 | 优德太湖水务（苏州）有限公司 | Micro-electrolysis hardening prevention method |
-
2008
- 2008-03-20 CN CN2008100269050A patent/CN101244854B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101973606A (en) * | 2010-11-19 | 2011-02-16 | 上海交通大学 | Dynamic micro-electrolysis waste water treatment device and water treatment method thereof |
| CN102001778A (en) * | 2010-12-16 | 2011-04-06 | 北京中兵北方环境科技发展有限责任公司 | Double-stage dynamic microelectrolyzing device |
| CN112093857A (en) * | 2020-08-03 | 2020-12-18 | 优德太湖水务（苏州）有限公司 | Micro-electrolysis hardening prevention method |
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| Publication number | Publication date |
|---|---|
| CN101244854B (en) | 2010-09-01 |
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