CN111573844A - Water treatment method and application thereof in river and lake water treatment - Google Patents
Water treatment method and application thereof in river and lake water treatment Download PDFInfo
- Publication number
- CN111573844A CN111573844A CN202010477208.8A CN202010477208A CN111573844A CN 111573844 A CN111573844 A CN 111573844A CN 202010477208 A CN202010477208 A CN 202010477208A CN 111573844 A CN111573844 A CN 111573844A
- Authority
- CN
- China
- Prior art keywords
- water
- water treatment
- microorganism
- cod
- ammonia nitrogen
- 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.)
- Pending
Links
Classifications
-
- 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
- C02F3/32—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae
- C02F3/322—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae
- C02F3/325—Biological treatment of water, waste water, or sewage characterised by the animals or plants used, e.g. algae use of algae as symbiotic combination of algae and bacteria
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Abstract
The invention discloses a water treatment method and application thereof in river and lake water treatment, comprising the following steps: (1) selecting microorganisms with the capability of degrading COD, ammonia nitrogen and phosphorus in water; (2) fixing the microorganism on a carrier to prepare a pretreatment strain; (3) and (3) inoculating the pretreated strains into the water body to be treated according to a preset proportion, so that the strains grow and reproduce and the COD, ammonia nitrogen and phosphorus in the water are absorbed and converted. The scheme ingeniously utilizes a mode of preferentially selecting microorganisms to treat the lake and river water, so that the pollution can be treated, the environment cannot be harmed, the good treatment of the lake and river water is achieved, the ecological stability is improved, and the environment is beautified.
Description
Technical Field
The invention relates to the technical field of water treatment, in particular to a water treatment method and application thereof in river and lake water treatment.
Background
Lakes and urban rivers have important significance in urban ecological construction. Urban rivers having provision for urban life and production
The water source weakens the heat island effect flood disasters of the city, and similarly, the urban river also has shipping efficiency, and the greenbelt at the edge of the urban river is a part of the diversity of urban landscapes.
With the rapid development of economy and the rapid expansion of population, the original natural water ecosystem is degraded by the excessive interference of human beings, the river water pollution is continuously intensified, the natural landscape of the river channel is destroyed, the ecological regulation effect of the river channel on the city is weakened, and the living environment and the life quality of people are influenced. Therefore, the research on the ecological restoration method of urban rivers and lakes and the improvement on the ecological environment of urban rivers and lakes are urgent.
Disclosure of Invention
In view of the situation of the prior art, the invention aims to provide a water treatment method which is reliable to implement, environment-friendly and free from secondary pollution and an application thereof in river and lake water treatment.
In order to achieve the technical purpose, the technical scheme adopted by the invention is as follows:
a method of water treatment comprising the steps of:
(1) selecting microorganisms with the capability of degrading COD, ammonia nitrogen and phosphorus in water;
(2) fixing the microorganism on a carrier to prepare a pretreatment strain;
(3) and (3) inoculating the pretreated strains into the water body to be treated according to a preset proportion, so that the strains grow and reproduce and the COD, ammonia nitrogen and phosphorus in the water are absorbed and converted.
Wherein the microorganisms in the step (1) at least comprise photosynthetic bacteria, spore bacteria, nitrobacteria, denitrifying bacteria, chlorella, scenedesmus, spirulina, nannochlorococcus, dictyococcus, porphyridium and haematococcus.
As a preferred alternative, in step (1), it is preferred that: taking the polluted water of the river channel, detecting COD, ammonia nitrogen and phosphorus values of the polluted water, adding a single microorganism according to the mass ratio of 10% for culturing, detecting the COD, ammonia nitrogen and phosphorus values in the water body after the culture is carried out for a preset time, and carrying out the preferential selection of the microbial degradation capacity by combining the numerical values before the culture.
As one of the means for immobilizing the microorganism, further, the method for immobilizing the microorganism on the carrier in the step (2) is: the microorganisms are mixed and then directly adsorbed and fixed by stones or coarse sand with more pores.
As a second mode of immobilizing the microorganism, a method of immobilizing the microorganism on the carrier in the step (2) is: adding the microorganism into a sodium alginate solution with the mass concentration of 2-6%, mixing and uniformly mixing, and then dripping into a calcium chloride solution with the mass concentration of 2-4% by a dripping method for shaping to prepare the pearl-shaped embedded immobilized microorganism mixed strain.
As a preferred selection implementation mode, the fixing operation process is preferably carried out in an environment with the temperature of 20-30 ℃.
The water treatment method is applied to the treatment of rivers and lakes.
As a possible implementation mode, the method comprises the step of leading the water of rivers and lakes out to branch or opening a bypass for water treatment.
By adopting the technical scheme, compared with the prior art, the invention has the beneficial effects that: the scheme ingeniously utilizes a mode of preferentially selecting microorganisms to treat the lake and river water, so that the pollution can be treated, the environment cannot be harmed, the good treatment of the lake and river water is achieved, the ecological stability is improved, and the environment is beautified.
Detailed Description
A method of water treatment comprising the steps of:
(1) selecting microorganisms with the capability of degrading COD, ammonia nitrogen and phosphorus in water;
(2) fixing the microorganism on a carrier to prepare a pretreatment strain;
(3) and (3) inoculating the pretreated strains into the water body to be treated according to a preset proportion, so that the strains grow and reproduce and the COD, ammonia nitrogen and phosphorus in the water are absorbed and converted.
Wherein the microorganisms in the step (1) at least comprise photosynthetic bacteria, spore bacteria, nitrobacteria, denitrifying bacteria, chlorella, scenedesmus, spirulina, chlorella, dictyococcus, porphyridium and haematococcus; as a preferred alternative, in step (1), it is preferred that: taking the polluted water of the river channel, detecting COD, ammonia nitrogen and phosphorus values of the polluted water, adding a single microorganism according to the mass ratio of 10% for culturing, detecting the COD, ammonia nitrogen and phosphorus values in the water body after the culture is carried out for a preset time, and carrying out the preferential selection of the microbial degradation capacity by combining the numerical values before the culture.
In addition, as one of the means for immobilizing the microorganism, a method for immobilizing the microorganism on the carrier in the step (2) is further: the microorganisms are mixed and then directly adsorbed and fixed by stones or coarse sand with more pores.
As a second mode of immobilizing the microorganism, a method of immobilizing the microorganism on the carrier in the step (2) is: adding the microorganism into a sodium alginate solution with the mass concentration of 2-6%, mixing and uniformly mixing, and then dripping into a calcium chloride solution with the mass concentration of 2-4% by a dripping method for shaping to prepare a pearl-shaped embedded immobilized microorganism mixed strain; preferably, the fixing operation process is carried out at the temperature of 20-30 ℃.
Examples of the embodiments
A method of water treatment comprising the steps of:
(1) taking the polluted water of the river channel, detecting COD, ammonia nitrogen and phosphorus values of the polluted water, adding single microorganisms (photosynthetic bacteria, spore bacteria, nitrobacteria, denitrifying bacteria, chlorella, scenedesmus, spirulina, chlorella, porphyridium and haematococcus) according to the mass ratio of 10% for culturing, detecting the COD, ammonia nitrogen and phosphorus values in the water body after culturing for a preset time, and preferentially selecting the microorganisms with the degradation rate of more than 80% by combining the numerical values before culturing;
(2) mixing microorganisms, and directly adsorbing and fixing the microorganisms on a carrier by using stones or coarse sand with more pores to prepare a pretreated strain;
(3) the pretreatment strains are inoculated into a water body to be treated according to a preset proportion, so that the strains grow and propagate, and COD, ammonia nitrogen and phosphorus in the water are absorbed and converted, the water quality of the water body is gradually upgraded from five types to four types, or from four types to three types, or from three types to two types, until a high-quality water body is recovered, wherein the system comprises 2000 tons of river raw water, the COD concentration is 28.59mg/L, the ammonia nitrogen concentration is 32.27mg/L, and the total phosphorus content is 1.97mg/L, 1% of solidified strains are added, the mass content is about 20%, after the treatment time is 4 days, the COD is reduced to 18.32mg/L, the ammonia nitrogen concentration is 16.02mg/L, and the total phosphorus content is 1.05mg/L, the daytime temperature is about 20-25 ℃, the sunlight is sufficient, and then, all indexes of the culture time can be further reduced.
(4) In order to improve the water quality purification effect, the strain culture area can be reconstructed in branches or by-passes according to the characteristics of different rivers or lakes, and microbial strains are continuously supplemented to the main body water area through the by-pass flow.
The foregoing is directed to embodiments of the present invention, and equivalents, modifications, substitutions and variations such as will occur to those skilled in the art, which fall within the scope and spirit of the appended claims.
Claims (8)
1. A method of water treatment characterized by: which comprises the following steps:
(1) selecting microorganisms with the capability of degrading COD, ammonia nitrogen and phosphorus in water;
(2) fixing the microorganism on a carrier to prepare a pretreatment strain;
(3) and (3) inoculating the pretreated strains into the water body to be treated according to a preset proportion, so that the strains grow and reproduce and the COD, ammonia nitrogen and phosphorus in the water are absorbed and converted.
2. The water treatment method according to claim 1, characterized in that: the microorganisms in the step (1) at least comprise photosynthetic bacteria, spore bacteria, nitrobacteria, denitrifying bacteria, chlorella, scenedesmus, spirulina, nannochlorococcus, dictyococcus, porphyridium and haematococcus.
3. The water treatment method according to claim 2, characterized in that: in the step (1), the selection mode is as follows: taking the polluted water of the river channel, detecting COD, ammonia nitrogen and phosphorus values of the polluted water, adding a single microorganism according to the mass ratio of 10% for culturing, detecting the COD, ammonia nitrogen and phosphorus values in the water body after the culture is carried out for a preset time, and carrying out the preferential selection of the microbial degradation capacity by combining the numerical values before the culture.
4. The water treatment method according to claim 1, characterized in that: the method for immobilizing the microorganism on the carrier in the step (2) is as follows: the microorganisms are mixed and then directly adsorbed and fixed by stones or coarse sand with more pores.
5. The water treatment method according to claim 1, characterized in that: the method for immobilizing the microorganism on the carrier in the step (2) is as follows: adding the microorganism into a sodium alginate solution with the mass concentration of 2-6%, mixing and uniformly mixing, and then dripping into a calcium chloride solution with the mass concentration of 2-4% by a dripping method for shaping to prepare the pearl-shaped embedded immobilized microorganism mixed strain.
6. The water treatment method according to claim 5, characterized in that: the fixing operation process is carried out at the temperature of 20-30 ℃.
7. Use of a water treatment method according to one of claims 1 to 6 in the treatment of water in rivers and lakes.
8. Use according to claim 7, characterized in that: it comprises leading out the water of rivers and lakes to branches or arranging side channels for water treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477208.8A CN111573844A (en) | 2020-05-29 | 2020-05-29 | Water treatment method and application thereof in river and lake water treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010477208.8A CN111573844A (en) | 2020-05-29 | 2020-05-29 | Water treatment method and application thereof in river and lake water treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111573844A true CN111573844A (en) | 2020-08-25 |
Family
ID=72115830
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010477208.8A Pending CN111573844A (en) | 2020-05-29 | 2020-05-29 | Water treatment method and application thereof in river and lake water treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111573844A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995059A (en) * | 2020-08-27 | 2020-11-27 | 贵州理工学院 | Nano-material water treatment composition |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047095A (en) * | 1999-08-18 | 2001-02-20 | Tokyo Jimu Service Kk | Dephosphorization/denitrification/ammonia removal apparatus of sludge on bottom of water |
| US20100136644A1 (en) * | 2007-02-16 | 2010-06-03 | Iogenyx Pty Ltd | Methods for improving the cultivation of aquatic organisms |
| CN106348456A (en) * | 2015-10-21 | 2017-01-25 | 广东中微环保生物科技有限公司 | Canal water pollution superior microorganism in-situ ecological restoration method |
| CN109133355A (en) * | 2018-08-22 | 2019-01-04 | 厦门水世纪环保科技有限公司 | A kind of high nitrogen phosphorus creek water remediation method and immobilization cell |
| CN110438046A (en) * | 2019-08-21 | 2019-11-12 | 江西清瀞自然环境科技有限公司 | Compound micro-ecological preparation and preparation method thereof for the black smelly water harnessing of river swag |
-
2020
- 2020-05-29 CN CN202010477208.8A patent/CN111573844A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001047095A (en) * | 1999-08-18 | 2001-02-20 | Tokyo Jimu Service Kk | Dephosphorization/denitrification/ammonia removal apparatus of sludge on bottom of water |
| US20100136644A1 (en) * | 2007-02-16 | 2010-06-03 | Iogenyx Pty Ltd | Methods for improving the cultivation of aquatic organisms |
| CN106348456A (en) * | 2015-10-21 | 2017-01-25 | 广东中微环保生物科技有限公司 | Canal water pollution superior microorganism in-situ ecological restoration method |
| CN109133355A (en) * | 2018-08-22 | 2019-01-04 | 厦门水世纪环保科技有限公司 | A kind of high nitrogen phosphorus creek water remediation method and immobilization cell |
| CN110438046A (en) * | 2019-08-21 | 2019-11-12 | 江西清瀞自然环境科技有限公司 | Compound micro-ecological preparation and preparation method thereof for the black smelly water harnessing of river swag |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111995059A (en) * | 2020-08-27 | 2020-11-27 | 贵州理工学院 | Nano-material water treatment composition |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Mujtaba et al. | Removal of nutrients and COD through co-culturing activated sludge and immobilized Chlorella vulgaris | |
| CN101823859B (en) | Light ecological concrete brick and preparation method thereof | |
| CN108467118B (en) | Method for removing nitrogen and phosphorus in aquaculture wastewater by using immobilized algae bacteria | |
| CN110697907B (en) | Immobilized composite flora material and preparation method thereof | |
| CN106542655B (en) | Rapid biofilm formation method for efficient denitrification microbial agent | |
| CN108102955A (en) | Effectively compound microbial inoculant administered for black and odorous water and preparation method thereof | |
| CN108726667B (en) | Preparation method of hydrogel-embedded microorganism carrier | |
| CN108529747B (en) | Synchronous denitrification method by nitrification and denitrification | |
| CN103951152B (en) | Compound formulation of a kind of sustainable reduction river bottom mud and preparation method thereof | |
| CN111320275A (en) | System and method for intercepting agricultural non-point source pollution ecological ditch by using waste aquaculture pond | |
| CN109665672B (en) | Device for removing total nitrogen in low-temperature underground water in enhanced mode and underground water treatment method | |
| CN102443550A (en) | Screening method of denitrifying bacteria | |
| CN111689587A (en) | Method for treating river channel through microbial integrated ecological restoration and application of method | |
| CN106927576B (en) | Method for improving removal effect of nitrogen pollutants in sewage | |
| CN106635947B (en) | Asynchronous domestication culture method for salt-tolerant denitrification microbial inoculum | |
| CN111573844A (en) | Water treatment method and application thereof in river and lake water treatment | |
| CN110981082A (en) | Purification process of threonine fermentation wastewater | |
| CN108383239B (en) | Integrated biological treatment process for shortcut nitrification anaerobic ammonia oxidation and phosphorus removal under intermittent aeration mode | |
| CN107162214B (en) | Sewage treatment method for nitrogen and phosphorus removal by coupling composite microorganism with micron zero-valent iron | |
| KR20210105849A (en) | Yellow soil fermentation strain composition for water purification and water purification method using the same | |
| CN110921824B (en) | Culture method for denitrification capacity of anaerobic ammonia oxidation sludge | |
| CN110182967A (en) | A kind of compound strain of microorganism for capableing of fast decoupled dirt water pollutant | |
| CN112358041B (en) | Granular sludge culture method for synchronous denitrification and methane production and COD removal | |
| CN213596001U (en) | Device based on food chain tail water resource cyclic utilization | |
| CN212532675U (en) | River repair system applied to drainage basin pollution |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200825 |
|
| RJ01 | Rejection of invention patent application after publication |