CN110902976A - Sewage treatment method - Google Patents
Sewage treatment method Download PDFInfo
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- CN110902976A CN110902976A CN201911348420.8A CN201911348420A CN110902976A CN 110902976 A CN110902976 A CN 110902976A CN 201911348420 A CN201911348420 A CN 201911348420A CN 110902976 A CN110902976 A CN 110902976A
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- Prior art keywords
- sewage
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- tank
- sewage treatment
- treatment agent
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
- C02F2101/30—Organic compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
-
- 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
- C02F2103/005—Black water originating from toilets
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
- C02F3/301—Aerobic and anaerobic treatment in the same reactor
-
- 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
- C02F3/348—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the way or the form in which the microorganisms are added or dosed
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention provides a sewage treatment method, which comprises the following steps: s1, removing large-size floating objects and particles in the sewage; s2: sewage enters a sewage sedimentation tank, a sewage treatment agent is added into the sewage sedimentation tank, the sewage is precipitated and degraded for 3 to 5 hours after being stirred, and the sewage enters a microorganism tank for catabolism after being filtered; s3, finally degrading and disinfecting in an ozone tank to finish sewage treatment. The invention adopts chemical raw materials and plant raw materials to prepare the sewage treatment agent, reduces secondary pollution to the maximum extent in the treatment process, adopts a microbial degradation method to carry out biodegradation on organic matters in the sewage, further achieves the sewage purification effect, and avoids river and lake eutrophication caused by sewage discharge.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a sewage treatment method.
Background
Domestic sewage is mainly discharged water generated by various kitchen water, washing water and toilet water used in human life, and is mostly nontoxic inorganic salts. The sewage generated in the human life process is one of the main pollution sources of the water body. Mainly feces and washing sewage. The daily discharge amount of domestic sewage of each person in the city is 150-400L, and the amount of the domestic sewage is closely related to the living standard. The domestic sewage contains a large amount of organic matters, such as cellulose, starch, saccharides, fat protein and the like; also frequently contain pathogenic bacteria, viruses and parasite eggs; chlorides, sulfates, phosphates, bicarbonates, and sodium, potassium, calcium, magnesium, and the like, of inorganic salts. The total characteristics are that the nitrogen, sulfur and phosphorus contents are high, and the malodorous substances are easy to generate under the action of anaerobic bacteria. In order to prevent the natural environment from being polluted, domestic sewage needs to be purified, and the traditional domestic sewage treatment method cannot effectively remove organic matters in the sewage, is poor in treatment effect and is easy to cause secondary pollution.
Disclosure of Invention
The invention aims to provide a sewage treatment method, which solves the technical problems that the existing domestic sewage treatment method cannot effectively remove organic matters in sewage, has poor treatment effect and is easy to cause secondary pollution.
In order to achieve the purpose, the invention provides the following technical scheme:
a sewage treatment method comprises the following steps:
s1, removing large-size floating objects and particles in the sewage;
s2: sewage enters a sewage sedimentation tank, a sewage treatment agent is added into the sewage sedimentation tank, the sewage is precipitated and degraded for 3 to 5 hours after being stirred, and the sewage enters a microorganism tank for catabolism after being filtered;
s3, finally degrading and disinfecting in an ozone tank to finish sewage treatment.
Further, in S2, the sewage treatment agent includes: the biological sewage treatment system comprises, by mass, 25-35 parts of activated carbon, 25-35 parts of seaweed mud, 25-35 parts of polyferric sulfate, 25-35 parts of ferric salt and 25-35 parts of hydrogen peroxide, wherein 80-90 parts of aerobic bacteria and 10-20 parts of anaerobic bacteria are added into a microbial pool.
Further, in S2, the sewage treatment agent includes: the biological treatment method comprises the following steps of (by mass) 30 parts of activated carbon, 30 parts of seaweed mud, 30 parts of polyferric sulfate, 30 parts of ferric salt and 30 parts of hydrogen peroxide, wherein 80 parts of aerobic bacteria and 20 parts of anaerobic bacteria are added into a microbial pool.
Further, in S2, a stirring device is disposed in the sedimentation tank, and the stirring device is a float-type stirrer.
Further, in S2, the ratio of the sewage to the sewage treatment agent in the sewage tank is 15-20: 1.
Further, in S2, the ratio of the sewage to the microorganisms in the microorganism pool is 100: 1.
Further, in S3, an exhaust duct is disposed at the bottom of the ozone tank, the exhaust duct is connected to the ozone generating device, and a plurality of exhaust holes are disposed on the exhaust duct.
According to the sewage treatment method, the sewage treatment agent is prepared by mixing the chemical raw materials and the plant raw materials through the matching of the raw materials, so that the secondary pollution is reduced to the greatest extent in the treatment process. By adopting a microbial degradation method, the organic matters in the sewage are biodegraded to remove the organic matters in the sewage, so that the sewage purification effect is further achieved, and the eutrophication of rivers and lakes caused by the discharge of the sewage is avoided.
Detailed Description
The technical solutions of the present invention are described clearly and completely below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, 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.
In a preferred embodiment of the present invention, the method for treating wastewater comprises the steps of:
s1, removing large-size floating objects and particles in the sewage;
s2: sewage enters a sewage sedimentation tank, a sewage treatment agent is added into the sewage sedimentation tank, the sewage is precipitated and degraded for 3 to 5 hours after being stirred, and the sewage enters a microorganism tank for catabolism after being filtered;
wherein the sewage treatment agent comprises: the biological sewage treatment system comprises, by mass, 25-35 parts of activated carbon, 25-35 parts of seaweed mud, 25-35 parts of polyferric sulfate, 25-35 parts of ferric salt and 25-35 parts of hydrogen peroxide, wherein 80-90 parts of aerobic bacteria and 10-20 parts of anaerobic bacteria are added into a microbial pool.
And a stirring device is arranged in the sedimentation tank and is a floating cylinder type stirrer.
The ratio of the sewage to the sewage treatment agent in the sewage tank is 15-20: 1.
The ratio of the sewage to the microorganisms in the microorganism pool is 100: 1.
S3, finally degrading and disinfecting in an ozone tank to finish sewage treatment.
Wherein, ozone bottom of the pool portion is provided with exhaust duct, and exhaust duct connects on ozone generating device, and sets up a plurality of exhaust holes on the exhaust duct.
Example 1
The sewage treatment method of the embodiment comprises the following steps:
s1, removing large-size floating objects and particles in the sewage;
s2: sewage enters a sewage sedimentation tank, a sewage treatment agent is added into the sewage sedimentation tank, the sewage is precipitated and degraded for 3 to 5 hours after being stirred, and the sewage enters a microorganism tank for catabolism after being filtered;
wherein the sewage treatment agent comprises: the biological treatment method comprises the following steps of (by mass) 30 parts of activated carbon, 30 parts of seaweed mud, 30 parts of polyferric sulfate, 30 parts of ferric salt and 30 parts of hydrogen peroxide, wherein 80 parts of aerobic bacteria and 20 parts of anaerobic bacteria are added into a microbial pool.
And a stirring device is arranged in the sedimentation tank and is a floating cylinder type stirrer.
The ratio of sewage to sewage treatment agent in the sewage tank is 20: 1.
The ratio of the sewage to the microorganisms in the microorganism pool is 100: 1.
S3, finally degrading and disinfecting in an ozone tank to finish sewage treatment.
Wherein, ozone bottom of the pool portion is provided with exhaust duct, and exhaust duct connects on ozone generating device, and sets up a plurality of exhaust holes on the exhaust duct.
Example 2
The sewage treatment agent in this embodiment includes: the biological sewage treatment system comprises 25 parts of activated carbon, 25 parts of seaweed mud, 25 parts of polyferric sulfate, 25 parts of ferric salt and 25 parts of hydrogen peroxide in parts by mass, wherein 80 parts of aerobic bacteria and 20 parts of anaerobic bacteria are added into a microbial pool.
The rest of the treatment was the same as in example 1.
Example 3
The sewage treatment agent in this embodiment includes: the biological treatment method comprises the following steps of 35 parts of activated carbon, 35 parts of seaweed mud, 35 parts of polyferric sulfate, 35 parts of ferric salt and 35 parts of hydrogen peroxide in parts by mass, wherein 90 parts of aerobic bacteria and 10 parts of anaerobic bacteria are added into a microbial pool.
The rest of the treatment was the same as in example 1.
The water samples treated by the methods of examples 1 to 3 were tested, and the removal rates of suspended matter content and ammonia nitrogen content are shown in the following table:
the above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (7)
1. A sewage treatment method is characterized in that: the method comprises the following steps:
s1, removing large-size floating objects and particles in the sewage;
s2: sewage enters a sewage sedimentation tank, a sewage treatment agent is added into the sewage sedimentation tank, the sewage is precipitated and degraded for 3 to 5 hours after being stirred, and the sewage enters a microorganism tank for catabolism after being filtered;
s3, finally degrading and disinfecting in an ozone tank to finish sewage treatment.
2. The method for treating wastewater according to claim 1, wherein in S2, the wastewater treatment agent comprises: the biological sewage treatment system comprises, by mass, 25-35 parts of activated carbon, 25-35 parts of seaweed mud, 25-35 parts of polyferric sulfate, 25-35 parts of ferric salt and 25-35 parts of hydrogen peroxide, wherein 80-90 parts of aerobic bacteria and 10-20 parts of anaerobic bacteria are added into a microbial pool.
3. The wastewater treatment method according to claim 2, wherein in S2, the wastewater treatment agent comprises: the biological treatment method comprises the following steps of (by mass) 30 parts of activated carbon, 30 parts of seaweed mud, 30 parts of polyferric sulfate, 30 parts of ferric salt and 30 parts of hydrogen peroxide, wherein 80 parts of aerobic bacteria and 20 parts of anaerobic bacteria are added into a microbial pool.
4. The wastewater treatment method according to claim 1, wherein in S2, a stirring device is provided in the sedimentation tank, and the stirring device is a float-type stirrer.
5. The method of claim 1, wherein in step S2, the ratio of sewage to sewage treatment agent in the sewage tank is 15-20: 1.
6. The method of claim 1, wherein in S2, the ratio of sewage to microorganisms in the microorganism pond is 100: 1.
7. The wastewater treatment method according to claim 1, wherein in S3, the ozone tank is provided with an exhaust pipe at the bottom thereof, the exhaust pipe is connected to the ozone generator, and the exhaust pipe is provided with a plurality of exhaust holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911348420.8A CN110902976A (en) | 2019-12-24 | 2019-12-24 | Sewage treatment method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911348420.8A CN110902976A (en) | 2019-12-24 | 2019-12-24 | Sewage treatment method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110902976A true CN110902976A (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911348420.8A Pending CN110902976A (en) | 2019-12-24 | 2019-12-24 | Sewage treatment method |
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| Country | Link |
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| CN (1) | CN110902976A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149369A (en) * | 2021-05-18 | 2021-07-23 | 张龙龙 | Environment-friendly sewage treatment method for textile production |
-
2019
- 2019-12-24 CN CN201911348420.8A patent/CN110902976A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113149369A (en) * | 2021-05-18 | 2021-07-23 | 张龙龙 | Environment-friendly sewage treatment method for textile production |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20200324 |
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| WD01 | Invention patent application deemed withdrawn after publication |