CN105523615A - Multistage intensified catalytic oxidation, reduction and aeration internal electrolysis reactor and application thereof - Google Patents
Multistage intensified catalytic oxidation, reduction and aeration internal electrolysis reactor and application thereof Download PDFInfo
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- CN105523615A CN105523615A CN201610051317.7A CN201610051317A CN105523615A CN 105523615 A CN105523615 A CN 105523615A CN 201610051317 A CN201610051317 A CN 201610051317A CN 105523615 A CN105523615 A CN 105523615A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/46—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
- C02F1/4676—Treatment of water, waste water, or sewage by electrochemical methods by electrolysis by electrochemical disinfection; by electrooxydation or by electroreduction by electroreduction
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
- C02F2201/461—Electrolysis apparatus
- C02F2201/46105—Details relating to the electrolytic devices
- C02F2201/4619—Supplying gas to the electrolyte
Abstract
The invention relates to a multistage intensified catalytic oxidation, reduction and aeration internal electrolysis reactor and an application thereof. The reactor is provided with a sedimentation layer (1), a water inlet and gas distribution layer (2), a multistage filler layer (3) and a water discharge layer (4) arranged from bottom to top sequentially, wherein the multistage filler layer (3) is filled with filler balls internally provided with internal electrolysis filler; when the reactor treats wastewater, acid is firstly added to to-be-treated wastewater, the pH value is adjusted to be 3, and then, the wastewater enters the reactor from the water inlet and gas distribution layer (2). Compared with the prior art, the reactor has the advantages of convenience in filler replacement, sufficient internal electrolysis reaction, space saving, good treatment effect and the like.
Description
Technical field
The present invention relates to a kind of Inner electrolysis reactor and application thereof, especially relate to a kind of multistage fortifying catalytic redox aeration Inner electrolysis reactor and application thereof.
Background technology
Light electrolysis is formed galvanic cell with iron and carbon, by the redox reaction of complexity that positive and negative electrode occurs, and utilizes the effects such as the electric enrichment physical adsorption of galvanic cell self and flocculation to improve the biodegradability of waste water, to reach the object of Wastewater Pretreatment.
Domestic more and more to internal electrolysis research in recent years, be widely used in the process to waste water such as plating, printing and dyeing and chemical dyestuffs especially, and obtain through engineering approaches application, but productivity internal electrolysis reactor mostly is filter tank form, some employing glass-lined steel steel equipment, some employing reinforced concrete constructional works.Find existing aeration Inner electrolysis reactor (patent No. ZL200520098793.1) and Strong oxdiative Inner electrolysis reactor (patent No. ZL20032011500.3), all adopt in-built iron carbon material, at the bottom of pond, be provided with large resistance underdrain system.Following point is there is in the practical application of this kind of form internal electrolysis reactor:
(1) replacement difficulty
In Inner electrolysis reactor, carbon does not consume as negative electrode, and iron is that iron ion enters in water as anodic conversion, therefore Inner electrolysis mainly consumes iron, and along with the passing in reaction times, iron filings are constantly consumed, when iron filings reduce to the treatment effect that will affect Inner electrolysis to a certain degree, iron filings must be supplemented.If directly add iron filings from Chi Ding, new iron filings and carbon granules can not fully mix, and affect the treatment effect of Inner electrolysis.If all cleared out by filler, reload the new filler mixed, this process workload in actual procedure is very large, needs larger place simultaneously, implements comparatively difficulty.
(2) reaction column blocking
With the growth of internal electrolysis flocculating bed working time, in filler, the increasing suspended substance of meeting agglomeration, adds concentrating and to suspended substance adsorption, will blocking filler hole of metal hydroxides.Therefore need regular back flushing, because iron filings proportion is comparatively large, need very large back washing strength.Thus necessary supporting larger equipment in engineering, increases cost of investment.
(3) iron filings caking
In internal electrolysis flocculating bed, the most frequently used filler is iron and steel bits and cast iron filing, and iron and steel bits carbon content is lower, and Inner electrolysis reaction is comparatively slow, poor processing effect; Cast iron filing carbon content is high, and treatment effect is good, but iron filings intensity is low, easily crushes, along with the increase in treatment time, the particle diameter of iron filings reduces gradually, because cast iron filing intensity is low, easily be crushed to Powdered and lump, making internal electrolysis flocculating bed occur channel, processing efficiency reduces.
(4) sludge treatment
Internal electrolysis is carried out usually in acid condition, and under acidic conditions, iron filings consumption is large, and anti-tune in pH process will produce a large amount of iron mud, increase certain burden to sludge dewatering operation, bring some problems in mud containing a large amount of iron to the disposal of mud.General iron work of being delivered to by waste residue is disposed or fusion making material of construction at present, and also consideration iron is clay makes magneticsubstance, and the handling problems about iron mud needs to further investigate and practice.
(5), after engineering is amplified, treatment effect declines
Whether the tectonic sieving of reactor is reasonable, directly affects the quality of micro-electrolysis reaction effect.Generally, the light electrolysis experiment carried out in laboratory is mostly in less container, and sewage fully can contact with filler, reacts more abundant; But when light electrolysis is applied in Practical Project, due to the amplification of reactor size, the change of reaction conditions, make the short stream of easy generation, dead angle, iron filings in reaction process harden, cause reaction insufficient, treatment effect obviously declines.
(6) routine maintenance and running cost high
Micro-electrolysis reactor is mainly divided into fixed bed and agitated bed two class.Iron filings and carbon powder particle are fixed in a body by fixed bed exactly, make waste water by the iron carbon filler layer generation micro-electrolysis reaction in bed.Agitated bed generally adopts stirrer to be mixed with iron filings and carbon granules by waste water.Be that fixed bed or agitated bed all exist iron filings and to harden problem, affect treatment effect, the problem that hardens brings very large difficulty to the routine maintenance of equipment and operation, causes maintenance cost and running cost to increase.
(7) energy consumption is high, processing efficiency is low
Why micro electrolysis tech is able to widespread use, is that its energy consumption is low, efficiency is high exactly.But common micro-electrolysis reactor exists a lot of not enough, causes mixing, mass transfer, diffusion effect in Practical Project reaction process not good, causes support equipment energy consumption to increase, the working cost of medicine consumption and equipment increases.
Summary of the invention
Object of the present invention be exactly in order to overcome above-mentioned prior art exist defect and a kind of multistage fortifying catalytic redox aeration Inner electrolysis reactor and application thereof are provided.
Object of the present invention can be achieved through the following technical solutions:
A kind of multistage fortifying catalytic redox aeration Inner electrolysis reactor, for the treatment of waste water, described reactor sets gradually the beds of precipitation, water inlet cloth gas-bearing formation, multistage packing layer and water-yielding stratum from top to bottom, is filled with the filling ball of built-in Inner electrolysis filler in described multistage packing layer.
Described filling ball and the Inner electrolysis filler be arranged in filling ball meet: after in filling ball, Inner electrolysis filler fully reacts, filling ball floats; When in filling ball, Inner electrolysis filler does not fully react, filling ball sinks.
The surface arrangement of described filling ball has the micropore for making pending waste water fully contact with Inner electrolysis filler, the aperture of this micropore to be less than the particle diameter of Inner electrolysis filler.
Described multistage packing layer is made up of the first step packing layer set gradually from top to bottom, second stage packing layer, third stage packing layer and fourth stage packing layer.
The height of described first step packing layer, second stage packing layer, third stage packing layer and fourth stage packing layer and the loading capacity of filling ball meet: in wastewater treatment process, pH value in first step packing layer is no more than 3.5, pH value in the packing layer of the second stage is no more than 4.5, pH value in third stage packing layer is no more than 5.5, and the pH value in fourth stage packing layer is no more than 6.5.
Described water inlet cloth gas-bearing formation comprises cloth pneumatic module and is arranged on the water inlet component on cloth pneumatic module, described cloth pneumatic module to be spaced towards the same center of circle by the many gas distribution pipes connecting external feed stream parts and to form, and described water inlet component to be spaced towards the same center of circle by the many water inlet pipes connecting outside water inlet member and to form.
The upper face of described gas distribution pipe is provided with the many groups of qi-emitting hole unit be arranged side by side, and this qi-emitting hole unit is arranged by qi-emitting hole uniform intervals and forms, and the qi-emitting hole on the qi-emitting hole unit of two adjacent groups shifts to install;
The upper face of described water inlet pipe is provided with the many groups of prosopyle unit be arranged side by side, and this prosopyle unit is arranged by prosopyle uniform intervals and forms, and the prosopyle dislocation on the prosopyle unit of two adjacent groups is arranged.
Described water-yielding stratum comprises the filter bag for eliminating foam be laid in above multistage packing layer, and the water collecting dike for uniform collection water outlet be arranged on filter bag assembly, the water outlet of water collecting dike connects foam outlet and liquid exit respectively, and the shape of described filter bag is consistent with the interior cross-sections match of reactor.
The described beds of precipitation are provided with in funnel shaped mud collection assembly in bottom, the sewage draining exit place of this mud collection assembly is provided with the blowdown screw for trip switch.
Multistage fortifying catalytic redox aeration Inner electrolysis reactor is for the treatment of waste water, and during process waste water, it is 3 that pending waste water first adds acid for adjusting pH value, then enters reactor from water inlet cloth gas-bearing formation.
Compared with prior art, the present invention has the following advantages:
(1) filler utilizes fully, replacement is convenient: the Inner electrolysis filler in the multistage packing layer in the present invention adds by being arranged in filling ball, Inner electrolysis filler is made to participate in Inner electrolysis reaction with the form of filling ball unit like this, can not only ensure that larger reaction participates in surface-area, effectively can also prevent the caking of a large amount of fillers in reaction process, the problems such as blocking, in addition, filling ball is along with Inner electrolysis filler is in Inner electrolysis reaction consumption, filling ball relative density diminishes, every layer of top is floated up to gradually under hydraulic action and air supporting effect, reaction for some time is when needing to change filler, stop water inlet, discharged by every layer of import and export, then imported and exported by every layer and supplement the new filling ball of part as required.The filling ball of new filling ball and not fully reaction then sinks, and floats over the filling ball of packing layer at different levels like this and put into the replacing that new filling ball just well can realize filler by taking-up.
(2) setting of multistage packing layer of the present invention, the reaction of pending trade effluent in treating processes is upwards made to be fractional order reaction, wherein, it is 3 that the waste water just having entered reaction adds acid for adjusting pH value, in process, pH is elevated to 4 from 3, then be elevated to 5 from 4, then be elevated to about 6 from 5, mainly reduction reaction occurs according to Inner electrolysis electrochemical principle pH=3-4; There is oxidizing reaction and reduction reaction in pH=4-5; Mainly there is oxidizing reaction in pH=5-6.Fractional order reaction is one of this reactor principal feature, in traditional Inner electrolysis reactor, generally that filler is all piled up in reactor, filler is deposited in together in a jumble, because reaction size is amplified, change in reaction conditions, in reaction process, easily the short stream of generation, dead angle, iron filings harden, cause reaction insufficient, poor processing effect.The reaction process of carrying out in reactor is in addition more complicated, can not make full use of pH and progressively raise the differential responses process of carrying out by contaminant degradation.This reactor arranges multistage packing layer can strictly be divided into reaction of high order process by treating processes from space-time, and pollutent differential responses occurs at different conditions and progressively degraded, and improves processing efficiency.In addition, arranging multistage filler and filling ball can augmenting response contact area, prevents filler caking phenomenon, avoids occurring that the reaction that short stream dead angle is caused is insufficient, poor processing effect.
(3) the present invention is provided with water inlet component and cloth pneumatic module at reactor bottom, uniform gas distribution and water inlet can be realized, in addition, the setting of cloth pneumatic module can not only provide Inner electrolysis to react necessary oxygen, effectively can also realize the abundant stirring of pending waste water and filling ball, prevent dead angle, and then improve the sufficient degree of Inner electrolysis reaction.
(4) setting of the multistage packing layer in middle part, arranges the progression of packing layer, can make full use of the space of reactor according to the pH value of water inlet.Treating processes is divided into multiple various process by arranging of multistage packing layer, the reaction process of carrying out due to every grade of pH difference is also different, sewage is from bottom to up successively through multistage packing layer, pollutent in sewage carries out differential responses under every grade of packing layer differential responses condition, and reaction process is divided into many levels by space-time; Arranging multistage filler and filling ball can augmenting response contact area, prevents filler caking phenomenon, avoids occurring that the reaction that short stream dead angle is caused is insufficient, thus can make full use of space reactor, improve processing efficiency.
(5) part water-yielding stratum being close to multistage packing layer is provided with the filter bag of in-built sorbing material, effectively can eliminate the foam that wastewater treatment process produces, simultaneously, water collecting dike can also tackle part suspended substance, outlet adopts the form that is separated with liquid exit of foam outlet, effectively can realize being separated of the waste water after processing and foam.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of cloth pneumatic module of the present invention;
Fig. 3 is the structural representation of gas distribution pipe of the present invention;
Fig. 4 is the structural representation of water inlet component of the present invention;
Fig. 5 is the structural representation of water inlet pipe of the present invention;
Fig. 6 is treatment effect figure of the present invention;
In figure, the 1-beds of precipitation, 2-water inlet cloth gas-bearing formation, the multistage packing layer of 3-, 4-water-yielding stratum, 11-mud collection assembly, 12-blowdown screw, 21-cloth pneumatic module, 22-water inlet component, 31-first step packing layer, 32-second stage packing layer, 33-third stage packing layer, 34-fourth stage packing layer, 35-filler support, 41-filter bag, 42-water collecting dike, 43-woven wire, 44-liquid exit, 45-foam outlet, 211-gas distribution pipe, 212-qi-emitting hole, 311-water inlet pipe, 312-prosopyle, 311-one-level filler is imported and exported, 312-one-level filler access hole, 321-secondary filler is imported and exported, 322-secondary filler access hole, 331-tri-grades of fillers are imported and exported, 332-tri-grades of filler access holes, 341-level Four filler is imported and exported, 342-level Four filler access hole.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is described in detail.
Embodiment 1
A kind of multistage fortifying catalytic redox aeration Inner electrolysis reactor, as shown in Figure 1, for the treatment of waste water, reactor sets gradually the beds of precipitation 1, water inlet cloth gas-bearing formation 2, multistage packing layer 3 and water-yielding stratum 4 to its structure from top to bottom.
The beds of precipitation 1 are provided with in funnel shaped mud collection assembly 11 in bottom, the sewage draining exit place of this mud collection assembly 11 is provided with the blowdown screw 12 for trip switch, and the angle in the cross section of mud collection assembly 11 is 155 °.
The water inlet component 22 that water inlet cloth gas-bearing formation 2 comprises cloth pneumatic module 21 and is arranged on cloth pneumatic module 21, cloth pneumatic module 21 to be spaced towards the same center of circle by 12 gas distribution pipes 211 connecting external feed stream parts and to form, water inlet component 22 connects the water inlet pipe 311 of outside water inlet member by 12 and to be spaced towards the same center of circle and to form, the upper face of gas distribution pipe 211 is provided with two groups of qi-emitting hole unit be arranged side by side, qi-emitting hole unit is arranged by qi-emitting hole 212 uniform intervals and forms, qi-emitting hole 212 on the qi-emitting hole unit of two groups shifts to install, as shown in Figures 2 and 3;
The upper face of water inlet pipe 311 is provided with two groups of prosopyle unit be arranged side by side, and prosopyle unit is arranged by prosopyle 312 uniform intervals and forms, and the prosopyle 312 on the prosopyle unit of two groups misplaces and arranges, as shown in Figure 4 and Figure 5.
Multistage packing layer 3 is by the first step packing layer 31 being successively set on filler support 35 from top to bottom, second stage packing layer 32, third stage packing layer 33 and fourth stage packing layer 34 form, first step packing layer 31, second stage packing layer 32, the height of third stage packing layer 33 and fourth stage packing layer 34 and the loading capacity of filling ball meet: in wastewater treatment process, pH value in first step packing layer 31 is no more than 3.5, pH value in second stage packing layer 32 is no more than 4.5, pH value in third stage packing layer 33 is no more than 5.5, pH value in fourth stage packing layer 34 is no more than 6.5, the filling ball of built-in Inner electrolysis filler is filled with in multistage packing layer 3, filling ball and the Inner electrolysis filler be arranged in filling ball meet: after in filling ball, Inner electrolysis filler fully reacts, filling ball floats, when in filling ball, Inner electrolysis filler does not fully react, filling ball sinks, and the surface arrangement of filling ball has the micropore for making pending waste water fully contact with Inner electrolysis filler, the aperture of this micropore to be less than the particle diameter of Inner electrolysis filler.Arrange on the top of first step packing layer 31, second stage packing layer 32, third stage packing layer 33 and fourth stage packing layer 34 respectively for take out or the one-level filler of additional fillers ball imports and exports 311, secondary filler import and export 321, three grades of fillers import and export 331 and level Four filler import and export 341, bottom arranges one-level filler access hole 312, secondary filler access hole 322, three grades of filler access holes 332 and level Four filler access hole 342 for overhauling.
Water-yielding stratum 4 comprises the filter bag 41 for eliminating foam be laid in above multistage packing layer 3, and the water collecting dike 42 for uniform collection water outlet be arranged on filter bag 41 assembly, the water outlet of water collecting dike 42 connects foam outlet 45 and liquid exit 44 respectively, and the shape of filter bag 41 is consistent with the interior cross-sections match of reactor.
Above-mentioned multistage fortifying catalytic redox aeration Inner electrolysis reactor is for the treatment of waste water, and during process waste water, it is 3 that pending waste water first adds acid for adjusting pH value, then enters reactor from water inlet cloth gas-bearing formation.
Adopt the multistage fortifying catalytic redox aeration Inner electrolysis reactor of above-described embodiment to process industrial sewage bio-chemical effluent, experimental water takes from certain printing and dyeing mill's bio-chemical effluent.Printing and dyeing mill's bio-chemical effluent water quality situation is: COD
cr320mg/L, colourity is 300 times.Adopt multistage fortifying catalytic Inner electrolysis reactor and common beaker experiments, contrasted by the two processing efficiency to this waste water, both test under its top condition simultaneously.Results contrast is as follows:
Multistage fortifying catalytic Inner electrolysis reactor is to the COD of dyeing waste water bio-chemical effluent
crall be better than conventional beaker experiments with the removal effect of colourity, clearance is respectively COD
cr75%, colourity 95%, and the beaker experiments of routine is to COD
crclearance is up to 50%, and chroma removal rate is up to 80%.As shown in Figure 6.
Above-mentioned is can understand and use invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to above-described embodiment, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (10)
1. a multistage fortifying catalytic redox aeration Inner electrolysis reactor, for the treatment of waste water, it is characterized in that, described reactor sets gradually the beds of precipitation (1), water inlet cloth gas-bearing formation (2), multistage packing layer (3) and water-yielding stratum (4) from top to bottom, is filled with the filling ball of built-in Inner electrolysis filler in described multistage packing layer (3).
2. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, described filling ball and the Inner electrolysis filler be arranged in filling ball meet: after in filling ball, Inner electrolysis filler fully reacts, filling ball floats; When in filling ball, Inner electrolysis filler does not fully react, filling ball sinks.
3. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, the surface arrangement of described filling ball has the micropore for making pending waste water fully contact with Inner electrolysis filler, the aperture of this micropore to be less than the particle diameter of Inner electrolysis filler.
4. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, described multistage packing layer (3) is made up of the first step packing layer (31) set gradually from top to bottom, second stage packing layer (32), third stage packing layer (33) and fourth stage packing layer (34).
5. one according to claim 4 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, described first step packing layer (31), second stage packing layer (32), the height of third stage packing layer (33) and fourth stage packing layer (34) and the loading capacity of filling ball meet: in wastewater treatment process, pH value in first step packing layer (31) is no more than 3.5, pH value in second stage packing layer (32) is no more than 4.5, pH value in third stage packing layer (33) is no more than 5.5, pH value in fourth stage packing layer (34) is no more than 6.5.
6. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, described water inlet cloth gas-bearing formation (2) comprises cloth pneumatic module (21) and is arranged on the water inlet component (22) on cloth pneumatic module (21), described cloth pneumatic module (21) to be spaced towards the same center of circle by the many gas distribution pipes (211) connecting external feed stream parts and to form, and described water inlet component (22) to be spaced towards the same center of circle by the many water inlet pipes (311) connecting outside water inlet member and to form.
7. one according to claim 6 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, the upper face of described gas distribution pipe (211) is provided with the many groups of qi-emitting hole unit be arranged side by side, this qi-emitting hole unit is arranged by qi-emitting hole (212) uniform intervals and forms, and the qi-emitting hole (212) on the qi-emitting hole unit of two adjacent groups shifts to install;
The upper face of described water inlet pipe (311) is provided with the many groups of prosopyle unit be arranged side by side, this prosopyle unit is arranged by prosopyle (312) uniform intervals and forms, and prosopyle (312) dislocation on the prosopyle unit of two adjacent groups is arranged.
8. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, described water-yielding stratum (4) comprises the filter bag (41) for eliminating foam being laid in multistage packing layer (3) top, and the water collecting dike for uniform collection water outlet (42) be arranged on filter bag (41) assembly, the water outlet of water collecting dike (42) connects foam outlet (45) and liquid exit (44) respectively, and the shape of described filter bag (41) is consistent with the interior cross-sections match of reactor.
9. one according to claim 1 multistage fortifying catalytic redox aeration Inner electrolysis reactor, it is characterized in that, the described beds of precipitation (1) are provided with in funnel shaped mud collection assembly (11) in bottom, the sewage draining exit place of this mud collection assembly (11) is provided with the blowdown screw (12) for trip switch.
10. the multistage fortifying catalytic redox aeration Inner electrolysis reactor as described in as arbitrary in claim 1 ~ 9 is for the treatment of waste water, it is characterized in that, during process waste water, it is 3 that pending waste water first adds acid for adjusting pH value, then enters reactor from water inlet cloth gas-bearing formation (2).
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| CN111003761B (en) * | 2020-03-10 | 2020-06-05 | 广东电网有限责任公司东莞供电局 | Printing and dyeing wastewater treatment system and method |
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