CN211770809U - High-pollution degradation-resistant wastewater efficient treatment device - Google Patents
High-pollution degradation-resistant wastewater efficient treatment device Download PDFInfo
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Abstract
The utility model relates to a high-efficiency treatment device for high-pollution refractory wastewater, which comprises an adjusting tank, a coagulating sedimentation tank, a primary AO tank, a secondary AO tank, an MBR (membrane bioreactor), a Fenton treatment device, a sedimentation tank, an intermediate tank, a fine filter and a temporary storage tank which are connected in sequence through pipelines, wherein the adjusting tank can uniformly mix the quality and the quantity of inlet water; the coagulating sedimentation tank can remove SS and partial organic matters; the primary AO pool can degrade the residual organic matters and remove nitrogen and phosphorus pollutants; the secondary AO pool can degrade the residual organic matters and remove nitrogen and phosphorus pollutants; MBR reactors can reject 99% toSS on; the Fenton treatment device can decompose organic pollutants into small molecular substances or inorganic substances CO2、H2O; the sedimentation tank can settle chemical sludge; the fine filter can remove more than 95% of SS; the temporary storage pool can store sewage up to standard. The device has the advantages of simple control, less investment and low operation cost.
Description
Technical Field
The utility model belongs to the technical field of waste water treatment, especially, high pollution difficult degradation waste water high efficiency treatment device.
Background
With the rapid development of industries in recent years, the discharge amount of industrial wastewater in the industries of printing and dyeing, chemical industry, leather making, pharmacy and the like is increased day by day. The industrial wastewater contains industrial production raw materials, intermediate products and products which run off along with water, and pollutants generated in the production process, and has the characteristics of high pollution, difficult degradation, complex components, variable properties and the like.
At present, the treatment process aiming at the high-pollution degradation-resistant wastewater can be generally divided into a physical chemical method, a biological method and the mutual combination of various methods. The common physical and chemical method is to decompose or separate the refractory organics by various physical and chemical means, such as coagulating sedimentation, adsorption, extraction and membrane separation; the biochemical method is mainly the reinforcement of the conventional biochemical process; the chemical method mainly comprises a chemical oxidation method, and commonly comprises electrocatalytic oxidation, ozone oxidation, Fenton-like oxidation, supercritical water oxidation and the like.
The adsorption and extraction have poor applicability to wastewater with complex components and high concentration, and are easy to cause secondary pollution; the removal rate of soluble substances by coagulation is low; the membrane separation method has high requirements on membranes and relatively complex operation. The harmful substances in the highly polluted degradation-resistant wastewater often cause the microorganisms to be incapable of working normally, so that the biochemical method is difficult to use directly. The chemical method has certain selectivity of the oxidant, the production cost is expensive, and part of the method is not widely applied. Aiming at high-pollution and difficult-to-degrade waste water, the process and the device which are combined by different methods are researched and developed, and the method has important social and economic benefits.
Through searching, the following patent publications relevant to the patent application of the utility model are found:
1. an industrial wastewater advanced treatment process and a device (CN201510526817.7) comprise the following steps: 1) precipitating the wastewater by a first sedimentation tank; 2) decomposing into small molecular organic pollutants under the action of hydrolysis and acid-producing bacteria; 3) removing part of COD organic pollutants by high-efficiency anaerobic treatment; 4) aerobic bacteria adsorb, oxidize and decompose organic pollutants; 5) precipitating through a second precipitation tank; 6) performing ring opening and chain breaking through a Fenton fluidized bed, and removing part of COD organic pollutants; 7) carrying out aerobic treatment through a biological fluidized bed to further remove pollutants; 8) and (4) after mud-water separation, decoloring the effluent and discharging. The utility model also discloses a degree of depth processing apparatus who realizes this technology and adopts. The utility model discloses an advanced treatment technology, through adopting Fenton fluidized bed and novel biological fluidized bed's antithetical couplet usefulness, can the pollutant in the effectual processing waste water, the system stability of device is high, can be used to advanced treatment chemical industry, pharmaceutical industry waste water.
2. The system and the method (CN201110077733.1) for advanced treatment of refractory industrial wastewater comprise a pH adjusting tank, a catalytic oxidation tank, a flocculation sedimentation tank, an intermediate water tank and an aeration biological filter, and the process comprises the following steps: collecting industrial wastewater to a pH adjusting tank, adding H2SO4 into the pH adjusting tank to adjust the pH value of the wastewater to 3.5-4.5, then sending the wastewater to a catalytic oxidation tank, adding H2O2 and FeSO4 into the catalytic oxidation tank for catalytic oxidation, then adding NaOH or Na2CO3 into a flocculation sedimentation tank to adjust the pH value to 8.5-9.0, feeding the treated wastewater into an intermediate water tank, and finally feeding the wastewater into an aeration biological filter to further remove CODCr. The method has the advantages of simple process flow, easy operation and management, low operating cost and good treatment effect.
3. An advanced oxidation advanced treatment refractory industrial wastewater system (CN201620108957.2) comprises a hydrolysis acidification tank, an advanced oxidation reaction tank connected with the hydrolysis acidification tank, a dosing room for adding a Fenton reagent to the front end of the advanced oxidation reaction tank and adding alkali liquor and polyacrylamide to the tail end of the advanced oxidation reaction tank, a final sedimentation tank and a sludge concentration tank connected with the final sedimentation tank through a sludge suction machine. The utility model has the advantages of stable operation, high removal efficiency, obvious effect and the like, and the operation cost is lower than that of other advanced treatment technologies, the utility model has no specific requirement on the temperature for the reaction condition, can be realized at normal temperature, and has high reaction speed; the reaction rate constant with different organic substances differs very little, when there are multiple pollutants in the aquatic, can not appear a material and obtain the degradation and the basically unchangeable condition of another kind of material, the utility model discloses a fenton's reagent is a high-efficient environment-friendly reagent, and no accessory substance produces, can not cause secondary pollution to the environment.
4. An integrated device (CN201320070270.0) for advanced treatment of refractory industrial wastewater sequentially comprises a pH adjusting tank, a moderate catalytic oxidation tank, a flocculation sedimentation tank, an intermediate water tank and a biological reaction tank, wherein the moderate catalytic oxidation tank comprises a water inlet, a feed opening, a baffle plate and a mechanical stirring device, the water inlet is arranged around the top of the moderate catalytic oxidation tank, the feed opening is arranged at a corresponding position below the water inlet, the baffle plate is arranged inside the moderate catalytic oxidation tank, and the mechanical stirring device is arranged in the middle of the bottom of the moderate catalytic oxidation tank. The device adopts a structure that a moderate catalytic oxidation pond adopts multi-point water inlet and multi-point medicine adding, partially degrades refractory organic matters in inlet water, and improves the biodegradability of wastewater; and (3) adding a filler into the bioreactor to further degrade the residual organic matters.
5. A device and a method for advanced treatment of industrial wastewater (CN201410105222.X) are characterized in that a first pH value adjusting tank is connected with an acid liquor storage tank and a catalyst mixing tank, the catalyst mixing tank is connected with a first catalyst storage tank and a second catalyst storage tank, the catalyst mixing tank is connected with an oxidation reaction tank, the oxidation reaction tank is connected with a hydrogen peroxide storage tank and a second pH value adjusting tank, the second pH value adjusting tank is connected with an alkali liquor storage tank and a sedimentation tank, and the sedimentation tank is connected with a catalyst activation tank. When the catalyst is used, wastewater sequentially passes through a first pH value adjusting tank, a catalyst mixing tank, an oxidation reaction tank, a second pH value adjusting tank, a precipitation tank and a catalyst activation tank, pH value adjustment and reaction are respectively carried out, two effective catalysts are mixed and added, and a catalyst mixing device is arranged before the oxidation reaction; and a catalyst activation reflux device is adopted, so that the material adding amount is reduced, the industrial wastewater treatment efficiency is improved, and the treatment cost is reduced.
6. A high-difficulty organic waste water treatment process technology (CN201610309671.5) comprises adjusting the pH value of high-difficulty organic waste water to 7.5-8.5 in a double (triple) combined tank, removing suspended matters, colloid and scum through an air floatation device or an oil separation sedimentation tank, blending with return water, feeding the blended sewage into a self-circulation anaerobic fluidized bed reactor for anaerobic treatment, wherein the anaerobic treatment is divided into two stages, one stage adopts a self-circulation anaerobic reactor, and the second stage adopts an anaerobic/facultative reactor; after anaerobic treatment, the mixture enters a two-stage aerobic fluidized bed reactor, and a first-stage aerobic fluidized bed and an anaerobic/facultative reactor form self-reflux to carry out nitrification and denitrification reactions; and the effluent of the second-stage aerobic fluidized bed enters a coagulation filter tank, and is filtered by an MBR membrane after coagulation to reach the discharge standard. Through the combined treatment, the high-difficulty organic wastewater can be effectively treated, so that the treated high-difficulty organic wastewater reaches the national comprehensive wastewater discharge standard (GB 8978-2002).
By contrast, the present patent application differs essentially from the above patent publications.
Disclosure of Invention
The utility model aims to overcome the weak point of prior art, provide a high pollution degradation wastewater high efficiency processing device, the device can make the COD in the high pollution degradation wastewaterCrAnd the removal rate of TN can reach 85-95%, and the device has the advantages of simple control, low investment and low operation cost.
The utility model provides a its technical problem take following technical scheme to realize:
a high-efficiency treatment device for high-pollution degradation-resistant wastewater comprises an adjusting tank, a coagulating sedimentation tank, a first-stage AO tank, a second-stage AO tank, an MBR (membrane bioreactor), a Fenton treatment device, a sedimentation tank, an intermediate tank, a fine filter and a temporary storage tank which are sequentially connected and arranged through pipelines, wherein the first-stage AO tank and the second-stage AO tank are respectively provided with an anoxic tank, and the adjusting tank can uniformly mix the quality and the quantity of inlet water; the coagulating sedimentation tank can remove SS and partial organic matters in the high-pollution refractory wastewater; the primary AO pool can biochemically degrade residual organic matters in the wastewater treated by the coagulating sedimentation pool to remove nitrogen and phosphorus pollutants; the second-stage AO pool can further degrade the wastewater biochemicallyRemoving nitrogen and phosphorus pollutants from the residual organic matters; the MBR can intercept more than 99% of SS; the Fenton treatment device can decompose organic pollutants into micromolecular substances or inorganic substances CO by adding a Fenton reagent2、H2O; the sedimentation tank can settle chemical sludge; the intermediate tank can return substandard wastewater to an anoxic tank of the first-stage AO tank or the second-stage AO tank; the fine filter can remove more than 95% of SS; the temporary storage tank can store sewage reaching the standard;
the output end of the MBR comprises a water outlet output end and a mixed liquid output end, the water outlet output end of the MBR is connected with the Fenton treatment device, and the mixed liquid output end of the MBR is connected with the input ends of the first-stage AO pool and the second-stage AO pool; the output of middle pond includes sewage output up to standard and the waste water output of not up to standard, and the sewage output up to standard of this middle pond is connected the setting with the fine filter, and the waste water output of not up to standard of this middle pond is connected the setting with the oxygen deficiency pond of one-level AO pond, second grade AO pond.
Moreover, the device also comprises a biochemical fan, a purging fan and a stirring device, wherein the stirring devices are respectively arranged in the anoxic tanks of the primary AO pool and the secondary AO pool; the biochemical fan is connected with the first-stage AO pool and the second-stage AO pool and is arranged, the biochemical fan can convey air into the first-stage AO pool and the second-stage AO pool, the purging fan is connected with the MBR reactor and is arranged, and the purging fan can convey air into the MBR reactor.
Furthermore, the stirring device is a multi-blade stirrer.
The utility model discloses the advantage that gains is with positive effect:
1. utilize the utility model discloses the method of device links to each other with two-stage AO, MBR reactor and fenton device, and process flow is simple, and the treatment effeciency is high, and two-stage AO, MBR reactor can be used with other water treatment technologies even, utilizes the device to make the COD in the difficult degradation waste water of high pollutionCrAnd the removal rate of TN can reach 85-95%, and the device has the advantages of simple control, low investment and low operation cost.
2. The utility model discloses the waste water of middle pond flows back to one-level AO pond or second grade AO pond among the device to the micromolecule organic matter of fenton processing apparatus degradation conversion gets rid of the available carbon source of TN as the denitrification, further degrades the organic matter simultaneously.
Drawings
FIG. 1 is a process flow chart of a high-efficiency treatment method of highly polluted degradation-resistant wastewater by using the device of the utility model;
fig. 2 is a schematic view of a structure connection of the processing apparatus of the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples, which are provided for illustrative purposes only and are not intended to be limiting, and the scope of the present invention should not be limited thereby.
The structures not described in detail in the present invention can be understood as the conventional structures in the art.
Example 1
A high-efficiency treatment method for high-pollution refractory wastewater is shown in figure 1 and comprises the following steps:
1) wastewater passes through a coagulating sedimentation tank from a regulating tank, a coagulant is added into the coagulating sedimentation tank, and SS and partial organic matters are removed by the coagulating sedimentation principle.
2) The effluent of the coagulating sedimentation tank enters a first-level AO tank for biochemical degradation of organic pollutants, nitrogen pollutants are removed under the denitrification action of an anoxic zone, and soluble phosphorus pollutants are absorbed under the action of phosphorus accumulating bacteria in an aerobic zone.
3) The effluent of the first-stage AO passes through a second-stage AO pool to further degrade organic matters biochemically and further remove nitrogen and phosphorus pollutants.
4) The effluent of the second-stage AO pool passes through the MBR reactor, the average membrane aperture of the MBR reactor is 0.1um, and can intercept SS (suspended substances) of more than 99 percent, and the mixed liquor of the MBR reactor flows back to the first-stage AO pool or the second-stage AO pool.
5) Almost no SS in effluent of the MBR can directly pass through the Fenton treatment device to decompose organic pollutants into small molecular substances or CO under the action of a Fenton reagent2、H2And O inorganic matter.
6) The effluent of the Fenton treatment device is settled by chemical sludge in a sedimentation tank and then enters an intermediate tank. And the wastewater in the intermediate tank flows back to the anoxic tank of the first-stage AO tank or the second-stage AO tank, and the micromolecular organic matters degraded and converted by the Fenton treatment device are used as denitrification to remove the carbon source available for TN, and meanwhile, the organic matters are further degraded.
7) The effluent of the intermediate tank passes through a fine filter and then is discharged by a temporary storage tank after reaching the standard.
Example 2
A high-efficiency treatment method for high-pollution refractory wastewater comprises the following steps:
1) wastewater passes through a coagulating sedimentation tank from a regulating tank, a coagulant is added into the coagulating sedimentation tank, and SS and partial organic matters are removed by the coagulating sedimentation principle.
2) The effluent of the coagulating sedimentation tank enters a first-level AO tank for biochemical degradation of organic pollutants, nitrogen pollutants are removed under the denitrification action of an anoxic zone, and soluble phosphorus pollutants are absorbed under the action of phosphorus accumulating bacteria in an aerobic zone.
3) The effluent of the first-stage AO passes through a second-stage AO pool to further degrade organic matters biochemically and further remove nitrogen and phosphorus pollutants.
4) The effluent of the second-stage AO pool passes through the MBR reactor, the average membrane aperture of the MBR reactor is 0.1um, and can intercept SS (suspended substances) of more than 99 percent, and the mixed liquor of the MBR reactor flows back to the first-stage AO pool or the second-stage AO pool.
5) Almost no SS in effluent of the MBR can directly pass through the Fenton treatment device to decompose organic pollutants into small molecular substances or CO under the action of a Fenton reagent2、H2And O inorganic matter.
6) The effluent of the Fenton treatment device is settled by chemical sludge in a sedimentation tank and then enters an intermediate tank. And the wastewater in the intermediate tank flows back to the anoxic tank of the first-stage AO tank or the second-stage AO tank, and the micromolecular organic matters degraded and converted by the Fenton treatment device are used as denitrification to remove the carbon source available for TN, and meanwhile, the organic matters are further degraded.
7) The effluent of the intermediate tank passes through a fine filter and then is discharged by a temporary storage tank after reaching the standard.
Wherein, the step 1) is to treat the wastewater CODCr is less than or equal to 3500 mg/L. Waste water of intermediate tankAnd (3) the mixture flows back to the front end of the first-stage AO pool or the second-stage AO pool, and the small molecular organic matters degraded and converted by the Fenton treatment device are used as denitrification to remove the carbon source available for TN, and meanwhile, the organic matters are further degraded. Wastewater reflux Q of intermediate tank1The ratio of the water to the water inflow Q of the wastewater is 0-100%. The mixed liquid of the MBR reactor flows back to the first-level AO pool or the second-level AO pool, and the reflux quantity Q of the mixed liquid2The ratio of the water to the water inflow Q of the wastewater is 100 to 400 percent. The sludge concentration of the primary AO, the secondary AO and the MBR reactor is controlled to be 3-5 g/L, 4-6 g/L and 5-8 g/L respectively. The Fenton reagent is hydrogen peroxide and ferrous sulfate. The mass concentration of the hydrogen peroxide is 25-35%.
Example 3
A high-efficiency treatment method for high-pollution refractory wastewater comprises the following steps:
1) wastewater passes through a coagulating sedimentation tank from a regulating tank, a coagulant is added into the coagulating sedimentation tank, and SS and partial organic matters are removed by the coagulating sedimentation principle.
2) The effluent of the coagulating sedimentation tank enters a first-level AO tank for biochemical degradation of organic pollutants, nitrogen pollutants are removed under the denitrification action of an anoxic zone, and soluble phosphorus pollutants are absorbed under the action of phosphorus accumulating bacteria in an aerobic zone.
3) The effluent of the first-stage AO passes through a second-stage AO pool to further degrade organic matters biochemically and further remove nitrogen and phosphorus pollutants.
4) The MBR reactor is passed through to second grade AO pond effluent, and the membrane average aperture of MBR reactor can hold back most SS at 0.1um, and MBR reactor mixed liquid flows back to one-level AO pond or second grade AO pond.
5) Almost no SS in effluent of the MBR can directly pass through the Fenton treatment device to decompose organic pollutants into small molecular substances or CO under the action of a Fenton reagent2、H2And O inorganic matter.
6) The effluent of the Fenton treatment device is settled by chemical sludge in a sedimentation tank and then enters an intermediate tank. And the wastewater in the intermediate tank flows back to the anoxic tank of the first-stage AO tank or the second-stage AO tank, and the micromolecular organic matters degraded and converted by the Fenton treatment device are used as denitrification to remove the carbon source available for TN, and meanwhile, the organic matters are further degraded.
7) The effluent of the intermediate tank passes through a fine filter and then is discharged by a temporary storage tank after reaching the standard.
Wherein the CODCr of the wastewater in the step 1) is less than or equal to 3500 mg/L. And the wastewater in the intermediate tank flows back to the first-stage AO tank, and the micromolecular organic matters degraded and converted by the Fenton treatment device are used as denitrification to remove the carbon source available for TN, and meanwhile, the organic matters are further degraded. Wastewater reflux Q of intermediate tank1The ratio of the water to the water inflow Q of the wastewater is 0-30%. The mixed liquid of the MBR reactor flows back to the first-level AO pool or the second-level AO pool, and the reflux quantity Q of the mixed liquid2The ratio of the water to the water inflow Q of the wastewater is 200-300 percent. The sludge concentration of the primary AO, the secondary AO and the MBR reactor is controlled to be 3-5 g/L, 4-6 g/L and 5-8 g/L respectively. The Fenton reagent is hydrogen peroxide and ferrous sulfate. The mass concentration of the hydrogen peroxide is 30 percent.
The high-efficiency treatment method of the high-pollution degradation-resistant wastewater can be used for preparing leather, papermaking and printing and dyeing high-pollution degradation-resistant wastewater.
A high-efficiency treatment device for high-pollution degradation-resistant wastewater is shown in figure 2 and comprises an adjusting tank 1, a coagulating sedimentation tank 2, a first-stage AO tank 3, a second-stage AO tank 4, an MBR (membrane bioreactor) 5, a Fenton treatment device 6, a sedimentation tank 7, an intermediate tank 8, a fine filter 9 and a temporary storage tank 10 which are sequentially connected through pipelines, wherein the first-stage AO tank and the second-stage AO tank are respectively provided with an anoxic tank 14, and the adjusting tanks can uniformly mix the quality and the quantity of inlet water; the coagulating sedimentation tank can remove SS and partial organic matters in the high-pollution refractory wastewater; the primary AO pool can biochemically degrade residual organic matters in the wastewater treated by the coagulating sedimentation pool to remove nitrogen and phosphorus pollutants; the secondary AO pool can further carry out biochemical degradation on residual organic matters in the wastewater to remove nitrogen and phosphorus pollutants; the MBR can intercept more than 99% of SS; the Fenton treatment device can decompose organic pollutants into micromolecular substances or inorganic substances CO by adding a Fenton reagent2、H2O; the sedimentation tank can settle chemical sludge; the intermediate tank can return substandard wastewater to an anoxic tank of the first-stage AO tank or the second-stage AO tank; the fine filter can remove more than 95% of SS; the temporary storage tank can store sewage reaching the standard;
the output end of the MBR comprises a water outlet output end and a mixed liquid output end, the water outlet output end of the MBR is connected with the Fenton treatment device, and the mixed liquid output end of the MBR is connected with the input ends of the first-stage AO pool and the second-stage AO pool; the output of middle pond includes sewage output up to standard and wastewater output not up to standard, and the sewage output up to standard of this middle pond is connected the setting with the fine filter, and the wastewater output not up to standard of this middle pond is connected the setting with the oxygen deficiency pond of one-level AO pond, second grade AO pond to the micromolecule organic matter that fenton processing apparatus degradation conversion gets rid of the carbon source that TN can utilize as the denitrification, further degrades the organic matter simultaneously.
In this embodiment, the apparatus further comprises a biochemical fan 11, a purging fan 12 and a stirring device 13, wherein the stirring devices are respectively arranged in the anoxic tanks of the first-stage AO tank and the second-stage AO tank, and preferably, the stirring devices are multi-blade stirrers; the biochemical fan is connected with the first-stage AO pool and the second-stage AO pool and is arranged, the biochemical fan can convey air into the first-stage AO pool and the second-stage AO pool, the purging fan is connected with the MBR reactor and is arranged, and the purging fan can convey air into the MBR reactor.
Although the embodiments of the present invention have been disclosed for illustrative purposes, those skilled in the art will appreciate that: various substitutions, changes and modifications are possible without departing from the spirit and scope of the invention and the appended claims, and therefore, the scope of the invention is not limited to the embodiments disclosed.
Claims (3)
1. The utility model provides a high pollution refractory waste water high efficiency processing apparatus which characterized in that: the device comprises an adjusting tank, a coagulating sedimentation tank, a primary AO tank, a secondary AO tank, an MBR reactor, a Fenton treatment device, a sedimentation tank, an intermediate tank, a fine filter and a temporary storage tank which are sequentially connected and arranged through pipelines, wherein the primary AO tank and the secondary AO tank are respectively provided with an anoxic tank, and the adjusting tank can uniformly mix the quality and the quantity of inlet water; the coagulating sedimentation tank can remove SS and partial organic matters in the high-pollution refractory wastewater; the first-stage AO tank can be used for biochemically degrading residual organic matters in the wastewater treated by the coagulating sedimentation tankRemoving nitrogen and phosphorus pollutants; the secondary AO pool can further carry out biochemical degradation on residual organic matters in the wastewater to remove nitrogen and phosphorus pollutants; the MBR can intercept more than 99% of SS; the Fenton treatment device can decompose organic pollutants into micromolecular substances or inorganic substances CO by adding a Fenton reagent2、H2O; the sedimentation tank can settle chemical sludge; the intermediate tank can return substandard wastewater to an anoxic tank of the first-stage AO tank or the second-stage AO tank; the fine filter can remove more than 95% of SS; the temporary storage tank can store sewage reaching the standard;
the output end of the MBR comprises a water outlet output end and a mixed liquid output end, the water outlet output end of the MBR is connected with the Fenton treatment device, and the mixed liquid output end of the MBR is connected with the input ends of the first-stage AO pool and the second-stage AO pool; the output of middle pond includes sewage output up to standard and the waste water output of not up to standard, and the sewage output up to standard of this middle pond is connected the setting with the fine filter, and the waste water output of not up to standard of this middle pond is connected the setting with the oxygen deficiency pond of one-level AO pond, second grade AO pond.
2. The high-efficiency treatment device for the highly polluted degradation-resistant wastewater according to claim 1, which is characterized in that: the device also comprises a biochemical fan, a blowing fan and a stirring device, wherein the stirring devices are respectively arranged in the anoxic tanks of the primary AO pool and the secondary AO pool; the biochemical fan is connected with the first-stage AO pool and the second-stage AO pool and is arranged, the biochemical fan can convey air into the first-stage AO pool and the second-stage AO pool, the purging fan is connected with the MBR reactor and is arranged, and the purging fan can convey air into the MBR reactor.
3. The high-efficiency treatment device for the highly polluted degradation-resistant wastewater according to claim 2, which is characterized in that: the stirring device is a multi-blade stirrer.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862196A (en) * | 2019-11-29 | 2020-03-06 | 航天环境工程有限公司 | High-efficiency treatment method, treatment device and application of high-pollution refractory wastewater |
| CN113277677A (en) * | 2021-05-25 | 2021-08-20 | 济南光博环保科技有限公司 | Treatment method and reuse water treatment process for production wastewater of disposable nitrile gloves |
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2019
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110862196A (en) * | 2019-11-29 | 2020-03-06 | 航天环境工程有限公司 | High-efficiency treatment method, treatment device and application of high-pollution refractory wastewater |
| CN113277677A (en) * | 2021-05-25 | 2021-08-20 | 济南光博环保科技有限公司 | Treatment method and reuse water treatment process for production wastewater of disposable nitrile gloves |
| CN113277677B (en) * | 2021-05-25 | 2022-09-16 | 济南光博环保科技有限公司 | Treatment method and reuse water treatment process for production wastewater of disposable nitrile gloves |
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