CN105859052B - A kind of environmental purification method of sanitary sewage - Google Patents
A kind of environmental purification method of sanitary sewage Download PDFInfo
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- CN105859052B CN105859052B CN201610399571.6A CN201610399571A CN105859052B CN 105859052 B CN105859052 B CN 105859052B CN 201610399571 A CN201610399571 A CN 201610399571A CN 105859052 B CN105859052 B CN 105859052B
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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
- C02F1/001—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
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- 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
- C02F1/52—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
- C02F1/5245—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents using basic salts, e.g. of aluminium and iron
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular 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
- 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
- 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
- C02F3/30—Aerobic and anaerobic processes
Abstract
The invention discloses a kind of environmental purification methods of sanitary sewage, include the following steps：Sanitary sewage is discharged into sedimentation basin to staticly settle, after being filtered after 4~8h of standing anaerobic reation pool is discharged into from sedimentation basin, it is discharged into neutralization pond from anaerobic reation pool, it is discharged into oxidation reaction pond from neutralization pond, it is discharged into aerobic reaction tank from oxidation reaction pond, the pollutant in sanitary sewage is decomposed using aerobic activated sludge；Temperature control is at 18~23 DEG C, and the reaction time is 20~for 24 hours；It is discharged into adsorption tank from aerobic reaction tank, active carbon powder is added in adsorption tank and is stirred absorption, then filters；It is discharged into sterilization pool from adsorption tank, disinfectant is added in sterilization pool and carries out disinfection, water excludes in formation.The present invention can carry out water body multi-level high-efficient purification processing by the reaction steps such as reasonable disposition filtering, anaerobism, aerobic.Good purification, cost of material is low, suitable for promoting the use of on a large scale.
Description
Technical field
The present invention relates to technical field of water body purification, the environmental purification method of especially a kind of sanitary sewage.
Background technology
Sanitary wastewater is the sewage of generation during human lives, is one of primary pollution source of water body.Mainly excrement
And wash water.Everyone sanitary sewage amount being discharged daily of city is 150~400L, and amount has substantial connection with living standard.
Contain large amount of organic, such as cellulose, starch, carbohydrate and fat protein in sanitary sewage；Also often containing pathogen, virus
And parasitic ovum；Chloride, sulfate, phosphate, bicarbonate and the sodium of inorganic salts, potassium, calcium, magnesium etc..Total feature is
Nitrogenous, sulfur-bearing and phosphorous height, post-processing are relatively difficult.People should water conservation China's actual conditions it is more special, water resource
Occupancy volume per person is few, and spatial distribution is uneven.With Chinese Urbanization's, industrialized acceleration, the demand gap of water resource also day
Benefit increases.In this context, sewage treatment industry become new industry, at present with tap water production, supply water, draining, in
Water reuse industry is in status of equal importance.
Although municipal aspect has put into a large amount of fund to administer sewage, the prior art also can be effectively there are many method
Ammonia is removed, as physical method has reverse osmosis, distillation, soil to irrigate；Chemical method have ion-exchange, ammonia aeration, chemical precipitation method,
Breakpoint chlorination, electrodialysis, electrochemical treatments, catalytic pyrolysis；Biological method has nitrification and algal culture, however physical method is handled
Ineffective, compared with chemical method, biological method processing waste water has the following advantages：1) each chemical article is very strong both for property
Product is possible to fail when encountering other chemical substances, and biological agent has spectrum to the removal of pollutant；2) change
Certain harmful substances can temporarily be eliminated and cover stink by learning product, cannot but prevent the generation of harmful substance；3) useization
After learning product, residual is had in water body, may lead to secondary pollution.Natural microbial contained by biological agent, without pathogenic bacteria and
Pathogen, these microorganisms are under the catalytic action of enzyme, using the organic nutrient substance in sewage as food, when purifying the sewage
Afterwards, these microbes are gradually decreased with the reduction of pollutant, until withering away；4) nontoxic, non-corrosive, easy to use, base
Originally equipment or engineering need not be added, fund input is saved.However, microbial process, which carrys out treated sewage, be easy to cause microorganism
Secondary pollution to water body, how to carry out processing to microorganism is also the technical issues that need to address.In field of environment protection, how
Sanitary wastewater is purified, and it is the technical issues that need to address to reach discharge standard and recycle.
104071902 B of Chinese invention patent CN disclose a kind of method of processing sanitary sewage, realize for life
Sewage is effectively treated.But this processing method is for the COD of water body and the reducing effect unobvious of coloration, and
Required cost of material is higher.
Invention content
The technical problem to be solved in the present invention is to provide a kind of environmental purification methods of sanitary sewage, can solve existing skill
The deficiency of art improves the clean-up effect of sanitary sewage, reduces cost of material.
In order to solve the above technical problems, the technical solution used in the present invention is as follows.
A kind of environmental purification method of sanitary sewage, includes the following steps：
A, sanitary sewage is discharged into sedimentation basin to staticly settle, is filtered after standing 4~8h；
B, sanitary sewage is discharged into anaerobic reation pool from sedimentation basin, using anaerobic activated sludge to the pollution in sanitary sewage
Object is decomposed；At 27 DEG C~30 DEG C, the reaction time is 12~15h for temperature control；
C, sanitary sewage is discharged into neutralization pond from anaerobic reation pool, adjusts water pH value to 7.5~8, be added flocculant into
Row precipitation, is then filtered；
D, sanitary sewage is discharged into oxidation reaction pond from neutralization pond, ozone is passed through into oxidation reaction pond, in water body
Harmful substance carries out oxidation processes；
E, sanitary sewage is discharged into aerobic reaction tank from oxidation reaction pond, using aerobic activated sludge in sanitary sewage
Pollutant is decomposed；Temperature control is at 18~23 DEG C, and the reaction time is 20~for 24 hours；
F, sanitary sewage is discharged into adsorption tank from aerobic reaction tank, active carbon powder is added in adsorption tank and is stirred suction
It is attached, then filter；
G, sanitary sewage is discharged into sterilization pool from adsorption tank, disinfectant is added in sterilization pool and carries out disinfection, water in formation
It excludes.
Preferably, in step C, flocculant includes,
The ironic citrate of 17~20wt%, the aluminium chloride of 4.5~6wt%, 10~12wt% tributyl 2-acetylcitrate,
The METHYL 3 AMINO CROTONATE of 2.5~5wt%, the 4- bromoanisoles of 7.5~10wt%, surplus is polyacrylamide.
Preferably, in step D, the amount for being passed through ozone is 3.5~4L/m3Min, it is 1~2h to be passed through the time.
Preferably, in step E, aerobic activated sludge is contained on the bracket apart from 0.2~0.3m of the water surface, aeration plate peace
The centre of bottom loaded on aerobic reaction tank, aerobic reaction tank is provided with strainer.
Preferably, in step G, disinfectant includes,
The 8-hydroxyquinoline of 3.5~4wt%, the epoxychloropropane of 5~7wt%, the sodium metasilicate of 10~15wt%, 3.5~
The 2,6- dimethoxybenzoic acids of 5wt%, the cresatin of 0.5~0.75wt%, 8~15wt% 2- methyl -2- oneself
Alcohol, surplus are calcium hypochlorite.
It is using advantageous effect caused by above-mentioned technical proposal：The present invention passes through reasonable disposition filtering, anaerobism, aerobic
Etc. reaction steps, multi-level high-efficient purification processing can be carried out to water body.Good purification, cost of material is low, is suitable for big model
It encloses and promotes the use of.
Specific implementation mode
In order to make objects and advantages of the present invention be more clearly understood, the present invention is carried out with reference to embodiments further
It is described in detail.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to limit this hair
It is bright.
Embodiment 1
A kind of environmental purification method of sanitary sewage, includes the following steps：.
A, sanitary sewage is discharged into sedimentation basin to staticly settle, is filtered after standing 7h；
B, sanitary sewage is discharged into anaerobic reation pool from sedimentation basin, using anaerobic activated sludge to the pollution in sanitary sewage
Object is decomposed；Temperature control is at 30 DEG C, reaction time 15h；
C, sanitary sewage is discharged into neutralization pond from anaerobic reation pool, adjusts water pH value to 7.5~8, be added flocculant into
Row precipitation, is then filtered；
D, sanitary sewage is discharged into oxidation reaction pond from neutralization pond, ozone is passed through into oxidation reaction pond, in water body
Harmful substance carries out oxidation processes；
E, sanitary sewage is discharged into aerobic reaction tank from oxidation reaction pond, using aerobic activated sludge in sanitary sewage
Pollutant is decomposed；Temperature control is at 20 DEG C, reaction time 22h；
F, sanitary sewage is discharged into adsorption tank from aerobic reaction tank, active carbon powder is added in adsorption tank and is stirred suction
It is attached, then filter；
G, sanitary sewage is discharged into sterilization pool from adsorption tank, disinfectant is added in sterilization pool and carries out disinfection, water in formation
It excludes.
In step C, flocculant includes,
The 3- ammonia of the ironic citrate of 20wt%, the aluminium chloride of 5.5wt%, the tributyl 2-acetylcitrate of 10wt%, 3wt%
The 4- bromoanisoles of base ethyl crotonate, 8wt%, surplus are polyacrylamide.
In step D, the amount for being passed through ozone is 4L/m3Min, it is 1h to be passed through the time.
In step E, aerobic activated sludge is contained on the bracket apart from water surface 0.3m, and aeration plate is installed on aerobic reaction tank
Bottom, the centre of aerobic reaction tank is provided with strainer.
In step G, disinfectant includes,
The 2,6- dimethoxies of the 8-hydroxyquinoline of 4wt%, the epoxychloropropane of 6wt%, the sodium metasilicate of 12wt%, 4wt%
2- methyl -2- the hexanols of yl benzoic acid, the cresatin of 0.5wt%, 10wt%, surplus is calcium hypochlorite.
Embodiment 2
A kind of environmental purification method of sanitary sewage, includes the following steps：.
A, sanitary sewage is discharged into sedimentation basin to staticly settle, is filtered after standing 5h；
B, sanitary sewage is discharged into anaerobic reation pool from sedimentation basin, using anaerobic activated sludge to the pollution in sanitary sewage
Object is decomposed；Temperature control is at 28 DEG C, reaction time 12h；
C, sanitary sewage is discharged into neutralization pond from anaerobic reation pool, adjusts water pH value to 7.5~8, be added flocculant into
Row precipitation, is then filtered；
D, sanitary sewage is discharged into oxidation reaction pond from neutralization pond, ozone is passed through into oxidation reaction pond, in water body
Harmful substance carries out oxidation processes；
E, sanitary sewage is discharged into aerobic reaction tank from oxidation reaction pond, using aerobic activated sludge in sanitary sewage
Pollutant is decomposed；Temperature control is at 20 DEG C, reaction time 20h；
F, sanitary sewage is discharged into adsorption tank from aerobic reaction tank, active carbon powder is added in adsorption tank and is stirred suction
It is attached, then filter；
G, sanitary sewage is discharged into sterilization pool from adsorption tank, disinfectant is added in sterilization pool and carries out disinfection, water in formation
It excludes.
In step C, flocculant includes,
The 3- ammonia of the ironic citrate of 18wt%, the aluminium chloride of 6wt%, the tributyl 2-acetylcitrate of 11wt%, 4.5wt%
The 4- bromoanisoles of base ethyl crotonate, 9wt%, surplus are polyacrylamide.
In step D, the amount for being passed through ozone is 4L/m3Min, it is 2h to be passed through the time.
In step E, aerobic activated sludge is contained on the bracket apart from 0.2~0.3m of the water surface, and aeration plate is installed on aerobic
The centre of the bottom of reaction tank, aerobic reaction tank is provided with strainer.
In step G, disinfectant includes,
The 2,6- dimethoxies of the 8-hydroxyquinoline of 4wt%, the epoxychloropropane of 5wt%, the sodium metasilicate of 10wt%, 4wt%
2- methyl -2- the hexanols of yl benzoic acid, the cresatin of 0.6wt%, 10wt%, surplus is calcium hypochlorite.
Same discharge pipe is carried out using the embodiment 1 (comparative example) in embodiment 2 and the patent of background technology reference
Two samples of sampling carry out processing Experimental comparison, as a result as follows：
1 comparative example of table
| Classification | COD (mg/L) | Coloration | Ammonia nitrogen (mg/L) |
| Before processing | 2750 | 280 | 435 |
| After processing | 41 | 56 | 2.3 |
2 embodiment of the present invention of table
| Classification | COD (mg/L) | Coloration | Ammonia nitrogen (mg/L) |
| Before processing | 2750 | 280 | 435 |
| After processing | 19 | 15 | 1.9 |
In addition, being calculated into crossing, 1m is often handled using the method for the present invention3Sewage needed for cost of material be 0.13 yuan, and
1m is often handled using the method for comparative example3Sewage needed for cost of material be 0.32 yuan.It can be with using the processing method of the present invention
Cost of material is reduced by more than 50.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, without departing from the principle of the present invention, it can also make several improvements and retouch, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (4)
1. a kind of environmental purification method of sanitary sewage, it is characterised in that include the following steps：
A, sanitary sewage is discharged into sedimentation basin to staticly settle, is filtered after standing 4~8h；
B, sanitary sewage is discharged into anaerobic reation pool from sedimentation basin, using anaerobic activated sludge to the pollutant in sanitary sewage into
Row decomposes；At 27 DEG C~30 DEG C, the reaction time is 12~15h for temperature control；
C, sanitary sewage is discharged into neutralization pond from anaerobic reation pool, adjusts water pH value to 7.5~8, flocculant is added and is sunk
Form sediment, be then filtered, the flocculant include the ironic citrate of 17~20wt%, the aluminium chloride of 4.5~6wt%, 10~
The 4- bromobenzene first of the tributyl 2-acetylcitrate of 12wt%, the METHYL 3 AMINO CROTONATE of 2.5~5wt%, 7.5~10wt%
Ether, surplus are polyacrylamide；
D, sanitary sewage is discharged into oxidation reaction pond from neutralization pond, ozone is passed through into oxidation reaction pond, to harmful in water body
Substance carries out oxidation processes；
E, sanitary sewage is discharged into aerobic reaction tank from oxidation reaction pond, using aerobic activated sludge to the pollution in sanitary sewage
Object is decomposed；Temperature control is at 18~23 DEG C, and the reaction time is 20~for 24 hours；
F, sanitary sewage is discharged into adsorption tank from aerobic reaction tank, active carbon powder is added in adsorption tank and is stirred absorption,
Then it filters；
G, sanitary sewage is discharged into sterilization pool from adsorption tank, disinfectant is added in sterilization pool and carries out disinfection, water is discharged in formation.
2. the environmental purification method of sanitary sewage according to claim 1, it is characterised in that：In step D, it is passed through ozone
Amount is 3.5~4L/ (m3Min), it is 1~2h to be passed through the time.
3. the environmental purification method of sanitary sewage according to claim 1, it is characterised in that：In step E, aerobic activity is dirty
Mud is contained on the bracket apart from 0.2~0.3m of the water surface, and aeration plate is installed on the bottom of aerobic reaction tank, in aerobic reaction tank
Between be provided with strainer.
4. the environmental purification method of sanitary sewage according to claim 1, it is characterised in that：In step G, disinfectant includes
The 2 of the 8-hydroxyquinoline of 3.5~4wt%, the epoxychloropropane of 5~7wt%, the sodium metasilicate of 10~15wt%, 3.5~5wt%,
2- methyl -2- the hexanols of 6- dimethoxybenzoic acids, the cresatin of 0.5~0.75wt%, 8~15wt%, surplus are
Calcium hypochlorite.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106219911A (en) * | 2016-09-30 | 2016-12-14 | 山东钢铁股份有限公司 | The processing system of a kind of rolling effluent and processing method thereof |
| CN106629886A (en) * | 2016-11-21 | 2017-05-10 | 郑州诚合信息技术有限公司 | Enhanced water clarifying agent for domestic sewage treatment as well as preparation method and application thereof |
| CN106335947A (en) * | 2016-11-21 | 2017-01-18 | 郑州诚合信息技术有限公司 | Reinforced water purifier for domestic sewage treatment and preparation method and application thereof |
| CN107417042A (en) * | 2017-08-07 | 2017-12-01 | 江苏天诺环境工程技术开发有限公司 | A kind of industrial sewage treatment technology |
| CN107973381A (en) * | 2017-11-28 | 2018-05-01 | 申国庆 | A kind of processing method of domestic sewage in rural areas |
| CN108751589A (en) * | 2018-06-11 | 2018-11-06 | 陇东学院 | A kind of cellar for storing things method for purifying water |
| CN108840517A (en) * | 2018-06-23 | 2018-11-20 | 安徽拓谷物联科技有限公司 | process for town sewage treatment |
| CN108793574A (en) * | 2018-06-28 | 2018-11-13 | 贵州大学 | A kind of river and lake effluent treatment plant for agricultural irrigation |
| CN109183898B (en) * | 2018-09-19 | 2020-08-21 | 华北水利水电大学 | Water resource recycling system |
| CN111547931B (en) * | 2019-12-05 | 2022-04-19 | 肇庆领誉环保实业有限公司 | Rapid nitrogen and phosphorus removal treatment method for sewage |
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|---|---|---|---|---|
| JP2003236584A (en) * | 2002-02-18 | 2003-08-26 | Ataka Construction & Engineering Co Ltd | Sewage treatment apparatus |
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