CN114436471A - Environment-friendly process technology for sewage treatment - Google Patents
Environment-friendly process technology for sewage treatment Download PDFInfo
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- CN114436471A CN114436471A CN202210062895.6A CN202210062895A CN114436471A CN 114436471 A CN114436471 A CN 114436471A CN 202210062895 A CN202210062895 A CN 202210062895A CN 114436471 A CN114436471 A CN 114436471A
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- 239000010865 sewage Substances 0.000 title claims abstract description 189
- 238000000034 method Methods 0.000 title claims abstract description 37
- 238000005516 engineering process Methods 0.000 title claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 238000010438 heat treatment Methods 0.000 claims abstract description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 26
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000006386 neutralization reaction Methods 0.000 claims abstract description 15
- 239000008394 flocculating agent Substances 0.000 claims abstract description 10
- 239000000126 substance Substances 0.000 claims abstract description 9
- 239000013049 sediment Substances 0.000 claims abstract description 7
- 238000000053 physical method Methods 0.000 claims abstract description 6
- 244000005700 microbiome Species 0.000 claims description 21
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 12
- 239000002244 precipitate Substances 0.000 claims description 12
- 238000002306 biochemical method Methods 0.000 claims description 9
- 239000002585 base Substances 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 6
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 6
- 239000002253 acid Substances 0.000 claims description 6
- 239000003513 alkali Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007599 discharging Methods 0.000 claims description 5
- 231100001240 inorganic pollutant Toxicity 0.000 claims description 5
- 239000002957 persistent organic pollutant Substances 0.000 claims description 5
- ODINCKMPIJJUCX-UHFFFAOYSA-N Calcium oxide Chemical compound [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 3
- 230000002378 acidificating effect Effects 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- 239000000292 calcium oxide Substances 0.000 claims description 2
- 235000012255 calcium oxide Nutrition 0.000 claims description 2
- 230000007613 environmental effect Effects 0.000 claims 4
- 238000010170 biological method Methods 0.000 abstract description 4
- 239000012535 impurity Substances 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 3
- 230000001954 sterilising effect Effects 0.000 abstract description 2
- 238000004659 sterilization and disinfection Methods 0.000 abstract description 2
- 239000003344 environmental pollutant Substances 0.000 description 3
- 231100000719 pollutant Toxicity 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Images
Classifications
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
-
- 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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F2001/007—Processes including a sedimentation step
-
- 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
-
- 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
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- 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
- C02F3/28—Anaerobic digestion processes
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)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment environment-friendly process technology, which comprises the following specific steps: the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage; step two: the sewage treatment method comprises the steps of introducing filtered sewage into a second sewage treatment tank, adding 30-40 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring the sewage for 5-7 minutes by using a stirring device, standing for 30-40 minutes after mixing and stirring, effectively combining a physical method, a chemical method and a biological method by using the sewage treatment environment-friendly process technology, firstly removing solid impurities in the sewage, then removing organic matters in the sewage, and finally heating for sterilization and acid-base neutralization to effectively decontaminate the sewage with high efficiency, wherein when the sewage is discharged, the water resource and soil cannot be damaged.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to an environment-friendly process technology for sewage treatment.
Background
With the industrial development, the speed increase of urbanization and the expansion of population, China faces a very severe environment situation, the river basin of the sea is heavily polluted, the river basins of the yellow river, the Huaihe river and the Liaohe river are span-polluted, the water resource distribution is extremely unbalanced, and the country has paid more and more attention to the problems of pollutant emission, industrial wastewater treatment and the like.
At present, various methods such as physical, chemical, biological, comprehensive and the like exist for treating the water resource pollution problem, but the physical method mostly has the problems of poor treatment effect and unstable treatment rate; the biological method has high treatment cost and is not suitable for popularization and application; the sewage is treated by adopting a chemical method mostly, but the existing sewage treating agent has single reagent component and only treats pollutants on one aspect.
Disclosure of Invention
The invention aims to provide an environment-friendly sewage treatment process technology, which aims to solve the problems that the existing sewage treatment process technology provided by the background technology has poor sewage treatment effect, can not completely treat pollutants in sewage, and can still cause certain pollution to water resources during discharge.
In order to achieve the purpose, the invention provides the following technical scheme: an environment-friendly process technology for sewage treatment, which comprises the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 30-40 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring for 5-7 minutes by using a stirring device, standing for 30-40 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 10-20 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 60-80 minutes when the water content is heated to 20-30 ℃;
step four: introducing the sewage treated in the step three into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value of the sewage to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 10-20min, fully stirring the water by using a stirring device, and standing for 30-40min after introducing the chlorine gas;
step six: and (3) introducing the sewage into a heating furnace, continuously heating the sewage, stopping heating when the water temperature is heated to 70-80 ℃, standing, cooling and discharging.
Preferably, in the second step, the added flocculating agent is polyaluminium chloride, polyaluminium sulfate, polyferric chloride and polyferric sulfate.
Preferably, in the third step, when the organic matter is treated by the microorganism, an aerobic biochemical method, an anaerobic biochemical method or a biochemical method combined with a physical and chemical method is selected for removing according to the concentration and the ratio of the organic pollutant to the inorganic pollutant.
Preferably, in the four steps, when the sewage is acidic, the lime is added into the sewage for neutralization, and when the sewage is alkaline, the hydrochloric acid is added into the sewage for neutralization.
Preferably, in the fifth step, when chlorine is introduced into the sewage, the temperature of the sewage needs to be kept at normal temperature, and is controlled at 5-10 ℃.
Preferably, in the sixth step, when the heated hot water is cooled to 10-15 ℃, the hot water can be discharged.
Compared with the prior art, the invention has the beneficial effects that:
the sewage treatment environment-friendly process technology effectively combines a physical method, a chemical method and a biological method, firstly removes solid impurities in sewage, then removes organic matters in the sewage, and finally effectively decontaminates the sewage with high efficiency through heating sterilization and acid-base neutralization, and cannot damage water resources and soil when being discharged.
Drawings
FIG. 1 is a flow chart of the steps of the environment-friendly process.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1, the present invention provides a technical solution: an environment-friendly process technology for sewage treatment, which comprises the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 30-40 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring for 5-7 minutes by using a stirring device, standing for 30-40 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 10-20 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 60-80 minutes when the water content is heated to 20-30 ℃;
step four: introducing the sewage treated in the step three into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value of the sewage to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 10-20min, fully stirring the water by using a stirring device, and standing for 30-40min after introducing the chlorine gas;
step six: the sewage treatment environment-friendly process technology effectively combines a physical method, a chemical method and a biological method, firstly removes solid impurities in the sewage, then removes organic substances in the sewage, and finally removes bacteria by heating and acid-base neutralization, so that the sewage is effectively decontaminated with high efficiency, and when the sewage is discharged, the water resource and soil cannot be damaged.
And in the second step, the added flocculating agent is polyaluminium chloride, polyaluminium sulfate, polyferric chloride and polyferric sulfate.
In the third step, when the organic matters are treated by the microorganisms, an aerobic biochemical method and an anaerobic biochemical method are selected according to the concentration and the ratio of organic pollutants to inorganic pollutants, or the organic pollutants and the inorganic pollutants are removed by combining the biochemical method with a physical method and a chemical method.
And step four, when the sewage is acidic, adding quicklime into the sewage for neutralization, and when the sewage is alkaline, adding hydrochloric acid into the sewage for neutralization.
And fifthly, when chlorine is introduced into the sewage, keeping the temperature of the sewage at normal temperature and controlling the temperature at 5-10 ℃.
In the sixth step, when the heated hot water is cooled to 10-15 ℃, the hot water can be discharged.
Example 1:
the sewage treatment environment-friendly process technology comprises the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 30 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring the sewage for 5 minutes by using a stirring device, standing for 30 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 10 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 60 minutes when the water content is heated to 20 ℃;
step four: introducing the sewage treated in the third step into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 10min, fully stirring the water by using a stirring device, and standing for 30min after introducing the chlorine gas;
step six: introducing the sewage into a heating furnace, continuously heating the sewage, stopping heating when the water temperature is heated to 70 ℃, standing, cooling and discharging;
example 2:
the sewage treatment environment-friendly process technology comprises the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 35 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring the sewage for 6 minutes by using a stirring device, standing for 35 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 15 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 70 minutes when the water content is heated to 25 ℃;
step four: introducing the sewage treated in the step three into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value of the sewage to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 15min, fully stirring the water by using a stirring device, and standing for 35min after introducing the chlorine gas;
step six: introducing the sewage into a heating furnace, continuously heating the sewage, stopping heating when the water temperature is heated to 75 ℃, standing, cooling and discharging;
example 3:
the sewage treatment environment-friendly process technology comprises the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 40 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring the sewage for 7 minutes by using a stirring device, standing for 40 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 20 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 80 minutes when the water content is heated to 30 ℃;
step four: introducing the sewage treated in the step three into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value of the sewage to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 20min, fully stirring the water by using a stirring device, and standing for 40min after introducing the chlorine gas;
step six: and (3) introducing the sewage into a heating furnace, continuously heating the sewage, stopping heating when the water temperature is heated to 80 ℃, standing, cooling and discharging.
While there have been shown and described the fundamental principles and essential features of the invention and advantages thereof, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The environment-friendly sewage treatment process technology is characterized by comprising the following specific steps:
the method comprises the following steps: introducing sewage into a first sewage treatment tank, arranging a filtering device in the first sewage treatment tank, and filtering larger suspended matters or sediments in the sewage;
step two: introducing the filtered sewage into a second sewage treatment tank, adding 30-40 parts of flocculating agent into the second sewage treatment tank, continuously mixing and stirring for 5-7 minutes by using a stirring device, standing for 30-40 minutes after mixing and stirring, and filtering the precipitate by using a filtering device again after a large amount of precipitate is generated;
step three: introducing the sewage treated in the step two into a third sewage treatment tank, adding 10-20 parts of microorganisms into the third sewage treatment tank, mixing and stirring the microorganisms by using a stirring device, heating the sewage by using a heating device, and fully reacting the organic matters in the sewage with the microorganisms for 60-80 minutes when the water content is heated to 20-30 ℃;
step four: introducing the sewage treated in the third step into a fourth sewage treatment tank, firstly detecting the sewage by a PH detection device, and adding a proper amount of acid or alkali according to the pH value to perform acid-base neutralization;
step five: introducing the sewage treated in the fourth step into a fifth sewage treatment tank, continuously introducing chlorine gas into the sewage for 10-20min, fully stirring the water by using a stirring device, and standing for 30-40min after introducing the chlorine gas;
step six: and (3) introducing the sewage into a heating furnace, continuously heating the sewage, stopping heating when the water temperature is heated to 70-80 ℃, standing, cooling and discharging.
2. The sewage treatment environment-friendly process technology as claimed in claim 1, characterized in that: in the second step, the added flocculating agent is polyaluminium chloride, polyaluminium sulfate, polyferric chloride and polyferric sulfate.
3. The environmental protection process technology for sewage treatment according to claim 1, characterized in that: in the third step, when the organic matters are treated by the microorganisms, an aerobic biochemical method and an anaerobic biochemical method are selected according to the concentration and the ratio of organic pollutants to inorganic pollutants, or the organic pollutants and the inorganic pollutants are removed by combining the biochemical method with a physical method and a chemical method.
4. The environmental protection process technology for sewage treatment according to claim 1, characterized in that: and step four, when the sewage is acidic, adding quicklime into the sewage for neutralization, and when the sewage is alkaline, adding hydrochloric acid into the sewage for neutralization.
5. The environmental protection process technology for sewage treatment according to claim 1, characterized in that: and fifthly, when chlorine is introduced into the sewage, keeping the temperature of the sewage at normal temperature and controlling the temperature at 5-10 ℃.
6. The environmental protection process technology for sewage treatment according to claim 1, characterized in that: in the sixth step, when the heated hot water is cooled to 10-15 ℃, the hot water can be discharged.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202210062895.6A CN114436471A (en) | 2022-01-09 | 2022-01-09 | Environment-friendly process technology for sewage treatment |
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| CN202210062895.6A CN114436471A (en) | 2022-01-09 | 2022-01-09 | Environment-friendly process technology for sewage treatment |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143759A (en) * | 2007-08-22 | 2008-03-19 | 史鸣放 | Sludge treatment method used for sewage disposal plant |
| CN108358381A (en) * | 2018-02-09 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of urban sewage treatment process |
| CN108373239A (en) * | 2018-04-10 | 2018-08-07 | 佛山市三水万瑞达环保科技有限公司 | sewage treatment process |
| CN108503130A (en) * | 2018-03-08 | 2018-09-07 | 陈琪雯 | A kind of novel environment friendly sewage treatment process |
| CN111499097A (en) * | 2020-04-17 | 2020-08-07 | 广东中林建筑园林工程有限公司 | Municipal sewage treatment process |
| CN211284048U (en) * | 2019-12-09 | 2020-08-18 | 江苏淮安华纯环保设备有限公司 | Industrial sewage treatment device |
| US20200378649A1 (en) * | 2017-12-28 | 2020-12-03 | Kyungdong Navien Co., Ltd. | Hot-water mat and sterilization module |
| CN113149369A (en) * | 2021-05-18 | 2021-07-23 | 张龙龙 | Environment-friendly sewage treatment method for textile production |
-
2022
- 2022-01-09 CN CN202210062895.6A patent/CN114436471A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101143759A (en) * | 2007-08-22 | 2008-03-19 | 史鸣放 | Sludge treatment method used for sewage disposal plant |
| US20200378649A1 (en) * | 2017-12-28 | 2020-12-03 | Kyungdong Navien Co., Ltd. | Hot-water mat and sterilization module |
| CN108358381A (en) * | 2018-02-09 | 2018-08-03 | 佛山杰致信息科技有限公司 | A kind of urban sewage treatment process |
| CN108503130A (en) * | 2018-03-08 | 2018-09-07 | 陈琪雯 | A kind of novel environment friendly sewage treatment process |
| CN108373239A (en) * | 2018-04-10 | 2018-08-07 | 佛山市三水万瑞达环保科技有限公司 | sewage treatment process |
| CN211284048U (en) * | 2019-12-09 | 2020-08-18 | 江苏淮安华纯环保设备有限公司 | Industrial sewage treatment device |
| CN111499097A (en) * | 2020-04-17 | 2020-08-07 | 广东中林建筑园林工程有限公司 | Municipal sewage treatment process |
| CN113149369A (en) * | 2021-05-18 | 2021-07-23 | 张龙龙 | Environment-friendly sewage treatment method for textile production |
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Application publication date: 20220506 |