CN220317574U - Microalgae wastewater treatment device - Google Patents
Microalgae wastewater treatment device Download PDFInfo
- Publication number
- CN220317574U CN220317574U CN202321865426.4U CN202321865426U CN220317574U CN 220317574 U CN220317574 U CN 220317574U CN 202321865426 U CN202321865426 U CN 202321865426U CN 220317574 U CN220317574 U CN 220317574U
- Authority
- CN
- China
- Prior art keywords
- wastewater
- tank
- group
- sedimentation
- multidimensional
- 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.)
- Active
Links
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 11
- 239000002351 wastewater Substances 0.000 claims abstract description 101
- 230000003647 oxidation Effects 0.000 claims abstract description 46
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 46
- 238000004062 sedimentation Methods 0.000 claims abstract description 36
- 238000004140 cleaning Methods 0.000 claims abstract description 31
- 238000005345 coagulation Methods 0.000 claims abstract description 28
- 230000015271 coagulation Effects 0.000 claims abstract description 28
- 230000001112 coagulating effect Effects 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 22
- 238000003825 pressing Methods 0.000 claims abstract description 17
- 238000006243 chemical reaction Methods 0.000 claims abstract description 15
- 238000005189 flocculation Methods 0.000 claims abstract description 14
- 230000016615 flocculation Effects 0.000 claims abstract description 13
- 125000001477 organic nitrogen group Chemical group 0.000 claims abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 18
- 238000001556 precipitation Methods 0.000 claims description 16
- 239000006228 supernatant Substances 0.000 claims description 16
- 230000003197 catalytic effect Effects 0.000 claims description 8
- 229910000629 Rh alloy Inorganic materials 0.000 claims description 7
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 7
- AWSGLLVQZLLSMI-UHFFFAOYSA-N [Y].[Rh] Chemical group [Y].[Rh] AWSGLLVQZLLSMI-UHFFFAOYSA-N 0.000 claims description 7
- 239000002699 waste material Substances 0.000 claims description 7
- 238000006056 electrooxidation reaction Methods 0.000 claims description 6
- 239000007800 oxidant agent Substances 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 3
- 230000003311 flocculating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 16
- 238000005265 energy consumption Methods 0.000 abstract description 6
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 10
- TUJKJAMUKRIRHC-UHFFFAOYSA-N hydroxyl Chemical compound [OH] TUJKJAMUKRIRHC-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- 239000012295 chemical reaction liquid Substances 0.000 description 3
- 238000003306 harvesting Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 239000010802 sludge Substances 0.000 description 3
- 239000007921 spray Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 2
- 239000001110 calcium chloride Substances 0.000 description 2
- 229910001628 calcium chloride Inorganic materials 0.000 description 2
- 238000005119 centrifugation Methods 0.000 description 2
- 235000015097 nutrients Nutrition 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000011362 coarse particle Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- ACVYVLVWPXVTIT-UHFFFAOYSA-N phosphinic acid Chemical compound O[PH2]=O ACVYVLVWPXVTIT-UHFFFAOYSA-N 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
- 235000013343 vitamin Nutrition 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
- 229930003231 vitamin Natural products 0.000 description 1
- 239000011782 vitamin Substances 0.000 description 1
- 150000003722 vitamin derivatives Chemical class 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Landscapes
- Separation Of Suspended Particles By Flocculating Agents (AREA)
Abstract
The utility model discloses a microalgae wastewater treatment device, which comprises: a wastewater collection group, a multidimensional electrocatalytic oxidation group and a coagulating sedimentation group; the method comprises the steps that a cleaning wastewater tank in a wastewater collection group collects wastewater after cleaning a reaction vessel for microalgae cultivation, the wastewater is conveyed to a first pH adjusting tank of a multidimensional electrocatalytic oxidation group and a multidimensional electrocatalytic group, the pH value of the wastewater is adjusted to 11 by the first pH adjusting tank, then the wastewater is conveyed to the multidimensional electrocatalytic group to remove organic nitrogen, the wastewater is conveyed to a coagulating sedimentation group, and the generated tail gas is conveyed to a tail gas treatment tower; and the second pH regulating tank in the coagulating sedimentation group regulates the pH value of the wastewater subjected to electrocatalytic oxidation to 6-8, then the wastewater is conveyed to the coagulating tank for flocculation coagulation treatment, and is conveyed to the sedimentation tank for sedimentation, and the sedimentation is subjected to filter pressing by utilizing a filter press to obtain mud cakes and clear liquid without pollution. The closed multidimensional electrocatalytic oxidation is carried out on the wastewater, so that the wastewater is more environment-friendly after being treated, and the energy consumption is lower.
Description
Technical Field
The utility model belongs to the technical field of wastewater treatment, and particularly relates to a microalgae wastewater treatment device.
Background
After microalgae are cultivated and matured, harvesting microalgae, centrifuging the cultivated and matured microalgae liquid by using a centrifuge, generating a centrifugal supernatant in the centrifuging process, and simultaneously cleaning a microalgae cultivation reactor and other equipment to generate cleaning wastewater.
In general, the high-salt wastewater generated in the microalgae synthesis process is characterized by large water quantity, high salt content and relatively low COD of 2000mg/L, and if the traditional oxidation, demulsification and flocculation processes are adopted, a large amount of oxidants are consumed, a large amount of waste residues are generated, so that the economic benefit and the environmental influence are both bad.
Disclosure of Invention
The embodiment of the utility model provides a microalgae wastewater treatment device, which comprises: a wastewater collection group, a multidimensional electrocatalytic oxidation group and a coagulating sedimentation group; wherein,
the wastewater collection group comprises a cleaning wastewater tank, wherein the cleaning wastewater tank is used for collecting wastewater after cleaning a reaction vessel for microalgae cultivation and conveying the wastewater to the multidimensional electrocatalytic oxidation group;
the multi-dimensional electrocatalytic oxidation group comprises a first pH adjusting tank and a multi-dimensional electrocatalytic unit, wherein the first pH adjusting tank is used for adjusting the pH value of wastewater to 11 and then conveying the wastewater to the multi-dimensional electrocatalytic unit to perform closed multi-dimensional electrocatalytic oxidation on the wastewater to remove organic nitrogen, conveying the treated wastewater to the coagulating sedimentation group and conveying the generated tail gas to a tail gas treatment tower;
the coagulating sedimentation group comprises a second pH adjusting tank, a coagulating tank, a sedimentation tank and a filter press, wherein the pH value of wastewater after electrocatalytic oxidation is adjusted to be 6-8 by the second pH adjusting tank, and then the wastewater is conveyed to the coagulating tank for flocculating coagulation treatment and is conveyed to the sedimentation tank for sedimentation, and the sedimentation is subjected to filter pressing by the filter press to obtain mud cakes and pollution-free clear liquid.
Further, the wastewater collection group further includes: cleaning a waste water pump;
the cleaning wastewater pump is connected with the cleaning wastewater tank and is used for conveying the collected wastewater of the cleaning reaction container to the multidimensional electrocatalytic oxidation group.
Further, the multi-dimensional electrocatalytic oxidation set further includes: a bag filter;
the bag filter is connected with the cleaning wastewater pump, and is used for filtering the wastewater conveyed by the cleaning wastewater pump and conveying the wastewater into the first pH adjusting tank.
Further, the multi-dimensional electrocatalytic oxidation set further includes: an electrooxidation circulating water pump;
and the electrooxidation circulating water pump is connected with the second pH adjusting tank and is used for conveying wastewater with the pH value adjusted to be 11 to the multidimensional electro-catalytic unit and the coagulating sedimentation unit.
Further, the multidimensional electro-catalytic unit comprises a plurality of cylindrical catalytic oxidizers, wherein an anode in each cylindrical catalytic oxidizer is an yttrium rhodium alloy plate, a cathode is a titanium alloy plate, and the distance between the yttrium rhodium alloy plate and the titanium alloy plate is 20-30 mm.
Further, the coagulating sedimentation group further includes: a filter pressing pump;
the second pH adjusting tank, the coagulation tank and the precipitation tank are connected in sequence and then connected with the filter press through a filter pressing pump, and the filter pressing pump is used for conveying liquid in the precipitation tank to the filter press for filter pressing.
Further, the method further comprises the following steps: a tail gas treatment tower;
the tail gas treatment tower is connected with the first pH adjusting tank and is used for absorbing tail gas generated after the multidimensional electrocatalytic oxidation group is treated.
Further, the wastewater collection group further includes: a centrifugal wastewater tank and a centrifugal wastewater pump;
and the centrifugal wastewater tank is used for collecting supernatant after the microalgae liquid is centrifuged, and conveying the collected waste liquid to the second pH adjusting tank, the coagulation tank and the precipitation tank through the centrifugal wastewater pump to obtain microalgae supernatant.
Further, the method further comprises the following steps: and the clean water tank and the Bashall tank are used for conveying the treated clean water to a municipal pipe network.
Further, the coagulation tank is an integrated flocculation, coagulation and precipitation tank.
According to the embodiment of the utility model, the organic matters in the wastewater are treated by the multidimensional electrocatalytic oxidation group, an oxidant is not needed to be added, and the organic matters are mainly negatively charged and migrate to the positive electrode under the action of current, so that the anode target oxidation is facilitated, the accurate energy consumption is low, and the generated hydroxyl radical (HO) is thoroughly oxidized. In addition, the coagulation tank combines the treatment processes of coagulation, flocculation, precipitation and the like, so that the reaction is continuously carried out in a pipeline form, and the transfer energy consumption and the complexity of the reaction liquid in different reaction tanks are reduced.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a microalgae wastewater treatment apparatus according to an embodiment of the utility model;
fig. 2 is a schematic diagram of another microalgae wastewater treatment apparatus according to an embodiment of the utility model.
Detailed Description
In order to enable those skilled in the art to better understand the present utility model, the following description will make clear and complete descriptions of the technical solutions according to the embodiments of the present utility model with reference to the accompanying drawings.
As shown in fig. 1, an embodiment of the present utility model provides a schematic diagram of a microalgae wastewater treatment apparatus, including: a wastewater collection group, a multidimensional electrocatalytic oxidation group and a coagulating sedimentation group; wherein,
the wastewater collection group comprises a cleaning wastewater tank, wherein the cleaning wastewater tank is used for collecting wastewater after cleaning a reaction vessel for microalgae cultivation and conveying the wastewater to the multidimensional electrocatalytic oxidation group;
the multi-dimensional electrocatalytic oxidation group comprises a first pH adjusting tank and a multi-dimensional electrocatalytic unit, wherein the first pH adjusting tank is used for adjusting the pH value of wastewater to 11 and then conveying the wastewater to the multi-dimensional electrocatalytic unit to perform closed multi-dimensional electrocatalytic oxidation on the wastewater to remove organic nitrogen, conveying the treated wastewater to the coagulating sedimentation group and conveying the generated tail gas to a tail gas treatment tower;
the coagulating sedimentation group comprises a second pH adjusting tank, a coagulating tank, a sedimentation tank and a filter press, wherein the pH value of wastewater after electrocatalytic oxidation is adjusted to be 6-8 by the second pH adjusting tank, and then the wastewater is conveyed to the coagulating tank for flocculating coagulation treatment and is conveyed to the sedimentation tank for sedimentation, and the sedimentation is subjected to filter pressing by the filter press to obtain mud cakes and pollution-free clear liquid.
Wherein an acid is added to the second pH adjusting tank to maintain the pH at 6-8. Wherein the acid is selected from acetic acid, hypophosphorous acid, etc. Adding a calcium chloride dephosphorization flocculant into the coagulation tank, precipitating by a precipitation tank, and recycling clear water to reach the discharge standard.
As shown in FIG. 2, the utility model also provides a schematic diagram of another microalgae wastewater treatment device.
The multidimensional electrocatalytic oxidation group comprises a plurality of cylindrical catalytic oxidizers, wherein an anode in each cylindrical catalytic oxidizer is an yttrium rhodium alloy plate, a cathode is a titanium alloy plate, and the distance between the yttrium rhodium alloy plate and the titanium alloy plate is 20-30 mm.
The waste water is electrolyzed and oxidized for 0.5 to 1 hour by utilizing a multidimensional electro-catalytic unit, wherein the multidimensional electro-catalytic unit takes an yttrium rhodium alloy polar plate as an anode and a titanium alloy polar plate as a cathode, the distance between the anode plate and the cathode plate is controlled to be 20 to 30mm, and the current density is controlled to be 14 to 16A/M 2 The voltage is 3-3.5V. In the electrocatalytic oxidation process, the anode generates hydroxyl radicals (HO), the oxidizing nature of which is ozone 10 5 The method has strong non-selective oxidation to protein, sugar, vitamin and other organic matters in the wastewater. As the waste liquid contains higher chloride ions, the anode generates chlorine to form hypochlorous acid, which is helpful for further catalytic oxidation of organic matters. Wherein, a plurality of cylindrical catalytic oxidizers in the multidimensional electrocatalytic oxidation group are closed, are generally vertically placed, have no emission of waste gas, and generally comprise oxidation, reduction, cracking and other reactions.
Further, the wastewater collection group further includes: cleaning a waste water pump; the cleaning wastewater pump is connected with the cleaning wastewater tank and is used for conveying the collected wastewater of the cleaning reaction container to the multidimensional electrocatalytic oxidation group.
Further, the wastewater collection group further includes: a centrifugal wastewater tank and a centrifugal wastewater pump; and the centrifugal wastewater tank is used for collecting supernatant after the microalgae liquid is centrifuged, and conveying the collected waste liquid to the second pH adjusting tank, the coagulation tank and the precipitation tank through the centrifugal wastewater pump to obtain microalgae supernatant.
Under normal conditions, the microalgae harvesting and centrifuging process generates a centrifugal supernatant, and the centrifugal supernatant directly enters the coagulation, flocculation and precipitation processes to remove suspended matters, chromaticity, rich nutrients such as nitrogen and phosphorus, suspended organic matters and the like. In an accident state, namely when microalgae cultivation fails and accident discharge is needed, wastewater enters into multidimensional electrocatalytic oxidation for treatment, and then supernatant is treated according to normal centrifugation.
On the other hand, centrifuging the microalgae liquid after harvesting the microalgae, and taking supernatant; and (3) sequentially carrying out coagulation and flocculation on the supernatant to remove rich nutrients and suspended organic matters, and collecting microalgae supernatant for later use. Or when microalgae cultivation fails, collecting all waste liquid, carrying out electrolytic oxidation and centrifugation on the waste liquid, collecting supernatant, carrying out coagulation and flocculation treatment, and collecting microalgae supernatant.
Further, the multi-dimensional electrocatalytic oxidation set further includes: a bag filter; the bag filter is connected with the cleaning wastewater pump, and is used for filtering the wastewater conveyed by the cleaning wastewater pump and conveying the wastewater into the first pH adjusting tank.
Further, the multi-dimensional electrocatalytic oxidation set further includes: an electrooxidation circulating water pump; and the electrooxidation circulating water pump is connected with the second pH adjusting tank and is used for conveying wastewater with the pH value adjusted to be 11 to the multidimensional electro-catalytic unit and the coagulating sedimentation unit.
In general, the alkaline solution is added to the second pH adjusting tank to maintain the pH of the wastewater at 11, and the alkaline substance may be sodium carbonate or sodium bicarbonate.
Further, the coagulating sedimentation group further includes: a filter pressing pump; the second pH adjusting tank, the coagulation tank and the precipitation tank are connected in sequence and then connected with the filter press through a filter pressing pump, and the filter pressing pump is used for conveying liquid in the precipitation tank to the filter press for filter pressing.
In practical application, calcium chloride is added to react with trace organic matters in supernatant liquid during coagulation and flocculation treatment to generate precipitate.
Further, the method further comprises the following steps: a tail gas treatment tower; the tail gas treatment tower is connected with the first pH adjusting tank and is used for absorbing tail gas generated after the multidimensional electrocatalytic oxidation group is treated. And (3) treating the spray liquid in a tail gas tower, wherein the spray liquid adopts water reaching the standard. Thus, the tail gas generated by electrocatalytic oxidation is collected and enters a tail gas treatment tower, wherein the tail gas treatment tower adopts multi-stage spraying integrated equipment, and the tail gas treatment tower is mainly used for treating trace escape of chlorine gas and a small amount of sulfur-containing gas generated by an anode in a multidimensional electrocatalytic oxidation process. The spray liquid of the tail gas treatment tower adopts water reaching the standard, so that the use amount of tap water is reduced.
Further, the method further comprises the following steps: and the clean water tank and the Bashall tank are used for conveying the treated clean water to a municipal pipe network.
The coagulation tank adopted by the utility model is a flocculation, coagulation and sedimentation integrated tank. The integrated tank can combine the treatment processes of coagulation, flocculation, precipitation and the like when the coagulation and flocculation treatment are carried out, so that the reaction is continuously carried out in a pipeline form, and the transfer energy consumption and the complexity of the reaction liquid in different reaction tanks are reduced. The treatment process mainly comprises trace organic matters and CaCl dissolved in water 2 The reaction produces insoluble fine particles and flocculation of PAM to coarse particles facilitates precipitation. Wherein, the concentrated sludge separated from the bottom of the sedimentation tank enters a high-pressure filter press, the water content of the sludge after the filter pressing of the high-pressure filter press can reach 40-50%, and the sludge is treated outside the commission.
The utility model treats the organic matters in the wastewater by the multidimensional electrocatalytic oxidation group without adding an oxidant, and the organic matters are mainly negatively charged and migrate to the positive electrode under the action of current, so that the oxidation of an anode target point is facilitated, the accurate energy consumption is low, and the generated hydroxyl radical (HO) is more thoroughly oxidized. In addition, the coagulation tank combines the treatment processes of coagulation, flocculation, precipitation and the like, so that the reaction is continuously carried out in a pipeline form, and the transfer energy consumption and the complexity of the reaction liquid in different reaction tanks are reduced.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the utility model.
The foregoing is only a partial embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that modifications and adaptations can be made without departing from the principles of the present utility model, and such modifications and adaptations are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. A microalgae wastewater treatment apparatus, comprising: a wastewater collection group, a multidimensional electrocatalytic oxidation group and a coagulating sedimentation group; wherein,
the wastewater collection group comprises a cleaning wastewater tank, wherein the cleaning wastewater tank is used for collecting wastewater after cleaning a reaction vessel for microalgae cultivation and conveying the wastewater to the multidimensional electrocatalytic oxidation group;
the multi-dimensional electrocatalytic oxidation group comprises a first pH adjusting tank and a multi-dimensional electrocatalytic unit, wherein the first pH adjusting tank is used for adjusting the pH value of wastewater to 11 and then conveying the wastewater to the multi-dimensional electrocatalytic unit to perform closed multi-dimensional electrocatalytic oxidation on the wastewater to remove organic nitrogen, conveying the treated wastewater to the coagulating sedimentation group and conveying the generated tail gas to a tail gas treatment tower;
the coagulating sedimentation group comprises a second pH adjusting tank, a coagulating tank, a sedimentation tank and a filter press, wherein the pH value of wastewater after electrocatalytic oxidation is adjusted to be 6-8 by the second pH adjusting tank, and then the wastewater is conveyed to the coagulating tank for flocculating coagulation treatment and is conveyed to the sedimentation tank for sedimentation, and the sedimentation is subjected to filter pressing by the filter press to obtain mud cakes and pollution-free clear liquid.
2. The treatment device of claim 1, wherein the wastewater collection group further comprises: cleaning a waste water pump;
the cleaning wastewater pump is connected with the cleaning wastewater tank and is used for conveying the collected wastewater of the cleaning reaction container to the multidimensional electrocatalytic oxidation group.
3. The treatment device of claim 2, wherein the multi-dimensional electrocatalytic oxidation set further comprises: a bag filter;
the bag filter is connected with the cleaning wastewater pump, and is used for filtering the wastewater conveyed by the cleaning wastewater pump and conveying the wastewater into the first pH adjusting tank.
4. The treatment device of claim 1, wherein the multi-dimensional electrocatalytic oxidation set further comprises: an electrooxidation circulating water pump;
and the electrooxidation circulating water pump is connected with the second pH adjusting tank and is used for conveying wastewater with the pH value adjusted to be 11 to the multidimensional electro-catalytic unit and the coagulating sedimentation unit.
5. The processing apparatus according to claim 1, wherein,
the multidimensional electro-catalytic unit comprises a plurality of cylindrical catalytic oxidizers, wherein an anode in each cylindrical catalytic oxidizer is an yttrium rhodium alloy plate, a cathode is a titanium alloy plate, and the distance between the yttrium rhodium alloy plate and the titanium alloy plate is 20-30 mm.
6. The treatment device of claim 1, wherein the coagulation sedimentation set further comprises: a filter pressing pump;
the second pH adjusting tank, the coagulation tank and the precipitation tank are connected in sequence and then connected with the filter press through a filter pressing pump, and the filter pressing pump is used for conveying liquid in the precipitation tank to the filter press for filter pressing.
7. The processing apparatus of claim 1, further comprising: a tail gas treatment tower;
the tail gas treatment tower is connected with the first pH adjusting tank and is used for absorbing tail gas generated after the multidimensional electrocatalytic oxidation group is treated.
8. The treatment device of claim 1, wherein the wastewater collection group further comprises: a centrifugal wastewater tank and a centrifugal wastewater pump;
and the centrifugal wastewater tank is used for collecting supernatant after the microalgae liquid is centrifuged, and conveying the collected waste liquid to the second pH adjusting tank, the coagulation tank and the precipitation tank through the centrifugal wastewater pump to obtain microalgae supernatant.
9. The processing apparatus of claim 8, further comprising: and the clean water tank and the Bashall tank are used for conveying the treated clean water to a municipal pipe network.
10. The treatment device according to claim 1, wherein the coagulation tank is an integrated flocculation, coagulation and sedimentation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865426.4U CN220317574U (en) | 2023-07-14 | 2023-07-14 | Microalgae wastewater treatment device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321865426.4U CN220317574U (en) | 2023-07-14 | 2023-07-14 | Microalgae wastewater treatment device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220317574U true CN220317574U (en) | 2024-01-09 |
Family
ID=89410905
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321865426.4U Active CN220317574U (en) | 2023-07-14 | 2023-07-14 | Microalgae wastewater treatment device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220317574U (en) |
-
2023
- 2023-07-14 CN CN202321865426.4U patent/CN220317574U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103524001B (en) | Treatment method for high fat food processing wastewater | |
| CN103086550B (en) | Method for treating desulfurization wastewater by electrolysis | |
| CN110002639B (en) | Device and method for treating landfill leachate of middle and late-stage domestic garbage landfill | |
| CN101549896A (en) | Integrated electrolysis nitrogen and phosphorus removal wastewater treatment method | |
| CN110563221A (en) | Treatment system and method for high-saline-alkali slag wastewater | |
| CN109231608A (en) | A kind of wastewater electrochemical treatment strengthening and processing device and method | |
| CN102249501B (en) | Device and method for treating wastewater produced by hair-product manufacturing | |
| CN105000766B (en) | Cleaner production method for increasing nitrogen and phosphorus recovery rate of residual activated sludge | |
| CN212247228U (en) | Contain salt waste water recycling apparatus based on electrolysis hydrogen manufacturing technique | |
| CN104556499A (en) | Catalytic oxidative treatment process for ship wastewater | |
| CN111072112A (en) | Wastewater treatment method and system for zero discharge of desulfurization wastewater | |
| CN220317574U (en) | Microalgae wastewater treatment device | |
| CN111636073A (en) | Device and process for recycling salt-containing wastewater | |
| CN217202372U (en) | Coking wastewater advanced treatment equipment | |
| CN109956594A (en) | A kind of integrated waste water treatment system and its processing method of high concentrated organic wastewater | |
| CN116655185A (en) | Microalgae wastewater treatment process | |
| JP2004202484A (en) | System and method for treating organic waste | |
| CN114650969B (en) | Liquid and solid resonance separation system | |
| CN211644723U (en) | Wastewater treatment system with zero discharge of desulfurization wastewater | |
| CN209815912U (en) | Electrocatalytic oxidation treatment system for cyanide-containing wastewater | |
| CN106966469A (en) | A kind of processing method of containing sulfate radicals waste water | |
| CN210559900U (en) | Chemical nickel waste water electrocatalytic oxidation treatment system | |
| CN105776684A (en) | Urban sewage treatment and resource recycling method | |
| CN112624498A (en) | Sludge reduction promotion method based on electrochemical pretreatment | |
| CN111977862A (en) | Equipment and method for preparing industrial bactericide by utilizing tail-end wastewater of thermal power plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |