CN112374700A - Pond culture tail water treatment method - Google Patents
Pond culture tail water treatment method Download PDFInfo
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- CN112374700A CN112374700A CN202011262593.0A CN202011262593A CN112374700A CN 112374700 A CN112374700 A CN 112374700A CN 202011262593 A CN202011262593 A CN 202011262593A CN 112374700 A CN112374700 A CN 112374700A
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- heavy metal
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- metal ion
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 238000000034 method Methods 0.000 title claims abstract description 35
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 66
- 238000001179 sorption measurement Methods 0.000 claims abstract description 37
- 239000000126 substance Substances 0.000 claims abstract description 22
- 238000000746 purification Methods 0.000 claims abstract description 21
- 230000000813 microbial effect Effects 0.000 claims abstract description 14
- 231100000331 toxic Toxicity 0.000 claims abstract description 13
- 230000002588 toxic effect Effects 0.000 claims abstract description 13
- 238000007599 discharging Methods 0.000 claims abstract description 10
- 238000007711 solidification Methods 0.000 claims abstract description 10
- 230000008023 solidification Effects 0.000 claims abstract description 10
- 244000005700 microbiome Species 0.000 claims abstract description 8
- 150000002500 ions Chemical class 0.000 claims description 56
- 239000007788 liquid Substances 0.000 claims description 12
- 238000004062 sedimentation Methods 0.000 claims description 9
- 241000894006 Bacteria Species 0.000 claims description 8
- 229910000831 Steel Inorganic materials 0.000 claims description 6
- 239000010959 steel Substances 0.000 claims description 6
- 239000000725 suspension Substances 0.000 claims description 6
- 238000003466 welding Methods 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 5
- 230000000593 degrading effect Effects 0.000 claims description 5
- 241000193830 Bacillus <bacterium> Species 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 4
- 240000001046 Lactobacillus acidophilus Species 0.000 claims description 4
- 235000013956 Lactobacillus acidophilus Nutrition 0.000 claims description 4
- 241000190932 Rhodopseudomonas Species 0.000 claims description 4
- 239000000292 calcium oxide Substances 0.000 claims description 4
- 229940039695 lactobacillus acidophilus Drugs 0.000 claims description 4
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 3
- 239000000945 filler Substances 0.000 claims description 3
- 230000001546 nitrifying effect Effects 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 2
- 238000003795 desorption Methods 0.000 abstract 1
- 238000001914 filtration Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 description 5
- 238000009360 aquaculture Methods 0.000 description 4
- 244000144974 aquaculture Species 0.000 description 4
- 241000108664 Nitrobacteria Species 0.000 description 3
- 235000012255 calcium oxide Nutrition 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000002957 persistent organic pollutant Substances 0.000 description 2
- 230000029219 regulation of pH Effects 0.000 description 2
- 239000002956 ash Substances 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002893 slag Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Images
Classifications
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/58—Treatment of water, waste water, or sewage by removing specified dissolved compounds
- C02F1/62—Heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/06—Controlling or monitoring parameters in water treatment pH
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/10—Solids, e.g. total solids [TS], total suspended solids [TSS] or volatile solids [VS]
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The invention discloses a pond culture tail water treatment method, which comprises the following steps: and (3) primarily filtering the tail water, then carrying out heavy metal ion desorption on the pond culture tail water through a suspended matter adsorption plate, a heavy metal ion solidification plate and a heavy metal ion adsorption plate, purifying the tail water by using a microbial purification tank, finally adjusting the pH value to the pH value adapted to pond culture through a pH adjusting tank, and discharging. The technical scheme disclosed by the invention has the advantages of easily available raw materials, high efficiency, simplicity and convenience in operation and the like, toxic and harmful substances in the tail water of the pond culture are efficiently removed by selecting a proper microorganism variety, and the treated tail water is recycled, so that the method has a good application prospect.
Description
Technical Field
The invention relates to the technical field of aquaculture, in particular to a pond culture tail water treatment method.
Background
In the process of aquaculture, a large amount of tail water is generated, the tail water contains toxic and harmful substances generated by aquaculture organisms, the tail water is simply discharged through a drainage ditch under most conditions at present, and the discharged tail water can cause great pollution to the environment; in addition, the tail water is preliminarily filtered and treated by utilizing a biological ball or a filter and the like in a farm, but the method can only filter large-particle impurities in the tail water, and the aim of removing pollution cannot be fulfilled.
In addition, the aquaculture tail water contains toxic and harmful substances, and can be discharged after being treated by a certain process. However, the existing tail water treatment method has the advantages of high cost, complex operation, incapability of efficiently removing toxic and harmful substances, and difficulty in popularization and application. And the removal of heavy metal ions in tail water is not mentioned in the current stage treatment.
A large number of researches show that the chemical adsorption method can quickly and efficiently remove toxic and harmful substances in water, and the existing method for degrading heavy metal ions by adopting the chemical method basically degrades the heavy metal ions in tail water by spraying a certain amount of alkaline substances such as quick lime, blast furnace ash, slag, fly ash and the like to the treated water so as to improve the pH value. Although the purpose of degrading heavy metal ions can be achieved, heavy metals with reduced activity cannot be collected, and secondary pollution can be caused when the pH value of water is changed, so that the problem cannot be solved from a pollution source.
Therefore, it is an urgent technical problem to be solved by those skilled in the art how to provide a treatment method capable of effectively removing toxic and harmful substances and heavy metal ions in tail water.
Disclosure of Invention
In view of the above, the invention provides a method for treating tail water of pond culture.
In order to achieve the purpose, the invention adopts the following technical scheme:
a pond culture tail water treatment method, comprising: the tail water is primarily filtered, then the heavy metal ions in the pond culture tail water are degraded and adsorbed through the suspended substance adsorption plate, the heavy metal ion solidification plate and the heavy metal ion adsorption plate, the tail water is purified through the microbial purification tank, and finally the pH value adapted to the pond culture is adjusted through the pH adjusting tank and is discharged.
Preferably, the pond culture tail water treatment method specifically comprises the following steps:
(1) the method comprises the following steps of (1) enabling pond culture tail water containing toxic and harmful substances and heavy metal ions to enter a primary filter through a water inlet and a gate, and then degrading and adsorbing the heavy metal ions sequentially through a suspended matter adsorption plate, a heavy metal ion solidification plate and a heavy metal ion adsorption plate;
(2) when the heavy metal suspension amount in the step (1) reaches a certain value, closing a gate at a water inlet, and allowing the heavy metal suspension adsorbed by the heavy metal ion adsorption plate to enter a sedimentation tank and be collected in the sedimentation tank;
(3) discharging the tail water from which the heavy metal ions are removed into a microbial purification tank, standing and settling to obtain a clarified liquid;
(4) and (4) discharging the clarified liquid obtained in the step (3) into a pH adjusting tank, detecting and adjusting the pH value to enable the clarified liquid to reach the pH value suitable for pond culture, and then discharging the clarified liquid through a water outlet.
Preferably, the suspended solid adsorption plate with heavy metal ion adsorption plate is open-top, the bottom is sealed and adopts the steel sheet welding to form all around, and the inside of suspended solid adsorption plate and heavy metal ion adsorption plate all adopts the active carbon to fill.
Preferably, the heavy metal ion curing plate is formed by welding a top opening, a bottom seal and steel plates at the periphery, and the inside of the heavy metal ion curing plate is filled with calcium oxide.
Preferably, a floating bed is arranged in the microbial purification tank, a flowerpot is arranged on the floating bed, and a filler ball and a heavy object are sequentially hung under the flowerpot.
Further preferably, the microorganism purification tank contains nitrifying bacteria, denitrifying bacteria, bacillus, rhodopseudomonas and/or lactobacillus acidophilus.
According to the technical scheme, compared with the prior art, the invention discloses and provides the pond culture tail water treatment method, on one hand, the method not only can efficiently degrade heavy metal ions in the pond culture tail water, but also can recover the heavy metal ions with reduced activity; on the other hand, the invention can purify the toxic and harmful substances in the tail water and adjust the pH value for cyclic utilization.
According to the technical scheme, the technical content disclosed and protected by the invention has the advantages of easily available raw materials, high efficiency, simplicity and convenience in operation and the like, toxic and harmful substances in the tail water of pond culture are efficiently removed by selecting a proper microorganism variety, and the treated tail water is recycled, so that the method has a good application prospect.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a plan view of a pond culture tail water treatment method according to the present invention;
fig. 2 is a perspective view of a device for treating tail water of pond culture provided by the invention.
In fig. 1:
1 water inlet, 2 gates I, 3 preliminary filter, 4 suspended solid adsorption plates, 5 heavy metal ion solidification plates, 6 heavy metal ion adsorption plates, 7 sedimentation tank, 8 microbial purification tank, 9PH equalizing basin, 10 gates II, 11 water outlets.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to the attached drawings 1 and 2, the device for treating the tail water of the pond culture comprises: the device comprises a water inlet (1), a first gate (2), a primary filter (3), a suspended matter adsorption plate (4), two heavy metal ion solidification plates (5), two heavy metal ion adsorption plates (6), a sedimentation tank (7), a microbial purification tank (8), a PH regulation tank (9), a second gate (10) and a water outlet (11);
wherein, the gate I (2) is arranged at the water inlet (1) of the primary filter tank (3);
the suspended substance adsorption plate (4), the heavy metal ion solidification plate (5) and the heavy metal ion adsorption plate (6) are uniformly distributed on the primary filter tank (3) and are connected in a clamping groove manner, and the suspended substance adsorption plate (4), the heavy metal ion solidification plate (5) and the heavy metal ion adsorption plate (6) are sequentially arranged in the water inlet direction;
the sedimentation tank (7) is arranged below the primary filter tank (3); a microorganism purification tank (8) and a PH regulation tank (9) which are sequentially arranged between the heavy metal ion adsorption plate (6) and the water outlet (11); the second gate (10) is arranged between the microbial purification tank (8) and the water outlet (11).
By applying the device, the embodiment of the invention discloses a pond culture tail water treatment method, which specifically comprises the following steps:
(1) the method comprises the following steps of (1) enabling pond culture tail water containing toxic and harmful substances and heavy metal ions to enter a primary filter through a water inlet and a gate, and then degrading and adsorbing the heavy metal ions sequentially through a suspended matter adsorption plate, a heavy metal ion solidification plate and a heavy metal ion adsorption plate;
(2) when the heavy metal suspension amount in the step (1) reaches a certain value, closing a gate at a water inlet, and allowing the heavy metal suspension adsorbed by the heavy metal ion adsorption plate to enter a sedimentation tank and be collected in the sedimentation tank;
(3) discharging the tail water from which the heavy metal ions are removed into a microbial purification tank, adding nitrobacteria, denitrifying bacteria and bacillus into the microbial purification tank, adjusting the adding amount of various microbes according to different water quality conditions, obtaining a good purification effect by adopting microbial purification treatment for more than 6 hours, and then standing and settling to obtain a clarified liquid;
(4) and (4) discharging the clarified liquid obtained in the step (3) into a pH adjusting tank, detecting and adjusting the pH value to enable the clarified liquid to reach the pH value suitable for pond culture, and then discharging the clarified liquid through a water outlet.
By adopting the technical scheme, the removal rate of toxic and harmful substances and heavy metal ions in the pond culture tail water is 91.8%.
The invention also discloses an embodiment II, which discloses a pond culture tail water treatment method, and the difference from the embodiment I is that in the step (3), nitrobacteria, bacillus, rhodopseudomonas and lactobacillus acidophilus are put into a microorganism purification tank, the technical problem of the invention can be solved by combining the steps (1) to (4), and by adopting the technical scheme, the removal rate of toxic and harmful substances and heavy metal ions in the pond culture tail water is 92%.
The invention also discloses a third embodiment, which discloses a pond culture tail water treatment method, and the difference from the first embodiment is that in the step (3), nitrifying bacteria and denitrifying bacteria are put into the microbial purification tank, the technical problem of the invention can be solved by combining the steps (1) to (4), and by adopting the technical scheme, the removal rate of organic pollutants and heavy metal ions in the pond culture tail water is 93%.
The invention also discloses a fourth embodiment, which discloses a pond culture tail water treatment method, and the difference from the first embodiment is that in the step (3), nitrobacteria, denitrifying bacteria, rhodopseudomonas and lactobacillus acidophilus are put into a microorganism purification tank, the technical problem of the invention can be solved by combining the steps (1) to (4), and by adopting the technical scheme, the removal rate of organic pollutants and heavy metal ions in the pond culture tail water is 92.5%.
In order to further optimize above-mentioned technical scheme, the suspended solid adsorption plate with heavy metal ion adsorption plate is open-top, the bottom is sealed and adopts the steel sheet welding to form all around, and the inside of suspended solid adsorption plate and heavy metal ion adsorption plate all adopts the active carbon to fill.
In order to further optimize the technical scheme, the heavy metal ion curing plate is formed by welding a top opening, a bottom sealing and steel plates at the periphery, and calcium oxide is filled in the heavy metal ion curing plate.
In order to further optimize the technical scheme, a floating bed is arranged in the microbial purification tank in the step (3), a flowerpot is arranged on the floating bed, and a filler ball and a heavy object are sequentially hung below the flowerpot.
The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other. The device disclosed by the embodiment corresponds to the method disclosed by the embodiment, so that the description is simple, and the relevant points can be referred to the method part for description.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A pond culture tail water treatment method is characterized by comprising the following steps: the tail water is primarily filtered, then the heavy metal ions in the pond culture tail water are degraded and adsorbed through the suspended substance adsorption plate, the heavy metal ion solidification plate and the heavy metal ion adsorption plate, the tail water is purified through the microbial purification tank, and finally the pH value adapted to the pond culture is adjusted through the pH adjusting tank and is discharged.
2. The pond culture tail water treatment method according to claim 1, characterized by comprising the following steps:
(1) the method comprises the following steps of (1) enabling pond culture tail water containing toxic and harmful substances and heavy metal ions to enter a primary filter through a water inlet and a gate, and then degrading and adsorbing the heavy metal ions sequentially through a suspended matter adsorption plate, a heavy metal ion solidification plate and a heavy metal ion adsorption plate;
(2) when the heavy metal suspension amount in the step (1) reaches a certain value, closing a gate at a water inlet, and allowing the heavy metal suspension adsorbed by the heavy metal ion adsorption plate to enter a sedimentation tank and be collected in the sedimentation tank;
(3) discharging the tail water from which the heavy metal ions are removed into a microbial purification tank, standing and settling to obtain a clarified liquid;
(4) and (4) discharging the clarified liquid obtained in the step (3) into a pH adjusting tank, detecting and adjusting the pH value to enable the clarified liquid to reach the pH value suitable for pond culture, and then discharging the clarified liquid through a water outlet.
3. The pond culture tail water treatment method according to claim 1 or 2, characterized in that the suspended substance adsorption plate and the heavy metal ion adsorption plate are both formed by welding steel plates with an opening at the top and a sealed bottom, and the interiors of the suspended substance adsorption plate and the heavy metal ion adsorption plate are both filled with activated carbon.
4. The pond culture tail water treatment method according to claim 1 or 2, characterized in that the heavy metal ion curing plate is formed by welding a top opening, a bottom sealing and steel plates at the periphery, and the inside of the heavy metal ion curing plate is filled with calcium oxide.
5. A pond culture tail water treatment method according to claim 1 or 2, characterized in that a floating bed is arranged in the microorganism purification pond, a flowerpot is arranged on the floating bed, and a filler ball and a heavy object are hung under the flowerpot in sequence.
6. The method for treating the tail water of the pond culture according to claim 5, wherein the microorganism purification tank contains nitrifying bacteria, denitrifying bacteria, bacillus, rhodopseudomonas and/or lactobacillus acidophilus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262593.0A CN112374700A (en) | 2020-11-12 | 2020-11-12 | Pond culture tail water treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011262593.0A CN112374700A (en) | 2020-11-12 | 2020-11-12 | Pond culture tail water treatment method |
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| CN112374700A true CN112374700A (en) | 2021-02-19 |
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| CN202011262593.0A Pending CN112374700A (en) | 2020-11-12 | 2020-11-12 | Pond culture tail water treatment method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009063456A1 (en) * | 2007-11-12 | 2009-05-22 | Technion Research And Development Foundation Ltd | Method for adsorption of phosphate contaminants from water solutions and its recovery |
| CN105217898A (en) * | 2015-11-12 | 2016-01-06 | 山东省农业科学院农业资源与环境研究所 | A kind of Waste Water Treatment being applicable to middle-size and small-size plant |
| CN108675552A (en) * | 2018-05-21 | 2018-10-19 | 湖南骁睿农业生态科技有限公司 | A kind of sink concentrates the scrap concrete and tail water administering method of cultured fishes |
| CN208597551U (en) * | 2018-03-29 | 2019-03-15 | 上海海洋大学 | A kind of closed pond circulation flowing water culture system |
| CN109678278A (en) * | 2019-01-21 | 2019-04-26 | 河南城建学院 | A kind of Groundwater Treatment Methodss of contaminated site |
| CN110950436A (en) * | 2019-10-15 | 2020-04-03 | 海南省海洋与渔业科学院 | Seawater pond culture tail water treatment system and method |
-
2020
- 2020-11-12 CN CN202011262593.0A patent/CN112374700A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009063456A1 (en) * | 2007-11-12 | 2009-05-22 | Technion Research And Development Foundation Ltd | Method for adsorption of phosphate contaminants from water solutions and its recovery |
| CN105217898A (en) * | 2015-11-12 | 2016-01-06 | 山东省农业科学院农业资源与环境研究所 | A kind of Waste Water Treatment being applicable to middle-size and small-size plant |
| CN208597551U (en) * | 2018-03-29 | 2019-03-15 | 上海海洋大学 | A kind of closed pond circulation flowing water culture system |
| CN108675552A (en) * | 2018-05-21 | 2018-10-19 | 湖南骁睿农业生态科技有限公司 | A kind of sink concentrates the scrap concrete and tail water administering method of cultured fishes |
| CN109678278A (en) * | 2019-01-21 | 2019-04-26 | 河南城建学院 | A kind of Groundwater Treatment Methodss of contaminated site |
| CN110950436A (en) * | 2019-10-15 | 2020-04-03 | 海南省海洋与渔业科学院 | Seawater pond culture tail water treatment system and method |
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