CN108996814A - A kind of municipal sewage and rainwater combined treatment process - Google Patents
A kind of municipal sewage and rainwater combined treatment process Download PDFInfo
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- CN108996814A CN108996814A CN201810799124.9A CN201810799124A CN108996814A CN 108996814 A CN108996814 A CN 108996814A CN 201810799124 A CN201810799124 A CN 201810799124A CN 108996814 A CN108996814 A CN 108996814A
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- Prior art keywords
- municipal sewage
- sewage
- pond
- water
- rainwater
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- 239000010865 sewage Substances 0.000 title claims abstract description 48
- 238000000034 method Methods 0.000 title claims abstract description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 45
- 238000012545 processing Methods 0.000 claims abstract description 23
- 239000002689 soil Substances 0.000 claims abstract description 18
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000010936 titanium Substances 0.000 claims abstract description 16
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 16
- 239000002893 slag Substances 0.000 claims abstract description 14
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 32
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 32
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 24
- 229910052799 carbon Inorganic materials 0.000 claims description 17
- 229910052761 rare earth metal Inorganic materials 0.000 claims description 17
- 229910052742 iron Inorganic materials 0.000 claims description 16
- 229910052759 nickel Inorganic materials 0.000 claims description 16
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 15
- 229910052802 copper Inorganic materials 0.000 claims description 15
- 239000010949 copper Substances 0.000 claims description 15
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 claims description 14
- 150000002910 rare earth metals Chemical class 0.000 claims description 12
- 230000003750 conditioning effect Effects 0.000 claims description 10
- 230000000694 effects Effects 0.000 claims description 10
- 230000000813 microbial effect Effects 0.000 claims description 9
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 8
- 229910052748 manganese Inorganic materials 0.000 claims description 8
- 239000011572 manganese Substances 0.000 claims description 8
- WPBNNNQJVZRUHP-UHFFFAOYSA-L manganese(2+);methyl n-[[2-(methoxycarbonylcarbamothioylamino)phenyl]carbamothioyl]carbamate;n-[2-(sulfidocarbothioylamino)ethyl]carbamodithioate Chemical compound [Mn+2].[S-]C(=S)NCCNC([S-])=S.COC(=O)NC(=S)NC1=CC=CC=C1NC(=S)NC(=O)OC WPBNNNQJVZRUHP-UHFFFAOYSA-L 0.000 claims description 8
- 238000004062 sedimentation Methods 0.000 claims description 8
- 239000006228 supernatant Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 244000005700 microbiome Species 0.000 claims description 6
- 239000003337 fertilizer Substances 0.000 claims description 5
- 235000013311 vegetables Nutrition 0.000 claims description 5
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 claims description 4
- 230000015556 catabolic process Effects 0.000 claims description 4
- 238000006731 degradation reaction Methods 0.000 claims description 4
- 239000011159 matrix material Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- 229920000742 Cotton Polymers 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- 229910021536 Zeolite Inorganic materials 0.000 claims description 3
- 239000000084 colloidal system Substances 0.000 claims description 3
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims description 3
- 239000005446 dissolved organic matter Substances 0.000 claims description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000007062 hydrolysis Effects 0.000 claims description 3
- 238000006460 hydrolysis reaction Methods 0.000 claims description 3
- 238000011835 investigation Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000000638 solvent extraction Methods 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- 239000010457 zeolite Substances 0.000 claims description 3
- 229910052684 Cerium Inorganic materials 0.000 claims description 2
- 229910002651 NO3 Inorganic materials 0.000 claims description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 2
- 229910052777 Praseodymium Inorganic materials 0.000 claims description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 2
- 229910052746 lanthanum Inorganic materials 0.000 claims description 2
- FZLIPJUXYLNCLC-UHFFFAOYSA-N lanthanum atom Chemical compound [La] FZLIPJUXYLNCLC-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 239000005416 organic matter Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- PUDIUYLPXJFUGB-UHFFFAOYSA-N praseodymium atom Chemical compound [Pr] PUDIUYLPXJFUGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052706 scandium Inorganic materials 0.000 claims description 2
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims description 2
- ZMIGMASIKSOYAM-UHFFFAOYSA-N cerium Chemical compound [Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce][Ce] ZMIGMASIKSOYAM-UHFFFAOYSA-N 0.000 claims 1
- 150000001875 compounds Chemical class 0.000 claims 1
- 239000003344 environmental pollutant Substances 0.000 abstract description 10
- 231100000719 pollutant Toxicity 0.000 abstract description 10
- 238000002203 pretreatment Methods 0.000 abstract 2
- 230000001376 precipitating effect Effects 0.000 abstract 1
- 230000002195 synergetic effect Effects 0.000 abstract 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 238000010992 reflux Methods 0.000 description 3
- 239000004576 sand Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000000746 purification Methods 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 229910021386 carbon form Inorganic materials 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- GWXLDORMOJMVQZ-UHFFFAOYSA-N cerium Chemical compound [Ce] GWXLDORMOJMVQZ-UHFFFAOYSA-N 0.000 description 1
- 230000002153 concerted effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000028023 exocytosis Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000000227 grinding Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000010812 mixed waste Substances 0.000 description 1
- 239000008239 natural water Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002352 surface water Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- 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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/001—Runoff or storm water
-
- 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
- C02F3/005—Combined electrochemical biological 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
Abstract
The present invention devises a kind of municipal sewage and rainwater combined treatment process, and structure is " pre-treatment pond+artificial swamp ".Multipoint water feeding is arranged in the feature big according to municipal sewage, storm runoff difference, the technique, guarantees the reasonable processing of municipal sewage and rainwater.Automatically the municipal sewage of high pollution is collected in pre-treatment pond, high concentration sewage water is handled using A-B method, pollutant concentration is greatly lowered, and in wetland bed preceding setting rainwater pretreatment unit, enters wetland bed advanced treating after rainwater is pre-processed precipitating removal particulate form pollutant.Wherein, photoresponse soil layer is set in the net processing of ecology filter, is comprising black earth, containing Titanium slag；Wherein the setting of the 5th purifying area receives sunlight irradiation or setting ultraviolet lamp is irradiated on system upper layer, and the sewage that microelement is added enters the region can act on the Regional Synergetic, significantly improve into artificial wet land water quality, improve water treatment efficiency.
Description
Technical field
The present invention relates to sewage treatment field, a kind of municipal sewage and rainwater combined treatment process are related in particular to.
Background technique
As the improvement of people's living standards, having higher requirement to quality of the life, many problems are brought therewith,
Wherein, quantity of wastewater effluent is increasing year by year, but treating capacity is extremely limited, and most area sanitary sewage is below standard to be just discharged into
Natural water, black smellyization of city river is serious, causes seriously to pollute to periphery surface water and groundwater, meanwhile, after urbanization,
Mankind's activity generates and the pollutant of discharge increased significantly, the type even more complex multiplicity of pollutant.Under urban surface is waterproof
The polluter (sand grain object, nitrogen and phosphorus element, heavy metal, organic pollutant etc.) that pad face is accumulated in fine day, in rainfall
And city overland runoff pollution of area source is just formd under the washing away of rainwash, conveying effect, rain is transferred into runoff
Water drainage pipeline makes receiving water body water quality deterioration.Research both domestic and external has shown that city overland runoff, which has become, is only second to agricultural
The second largest water body non point source of pollution of runoff, and the second largest city water environment in addition to city domestic sewage and industrial wastewater
Pollution sources.
Summary of the invention
The purpose of the present invention is to provide one kind, and the treatment process of municipal sewage and contaminated rain water can be effectively treated,
The degradation treatment of pollutant is mainly carried out using a variety of biochemical processing process and photocatalysis mode, this method is directed to current city
City's sewage, rainwater runoff treatment low SI, the increasingly serious problem of pollution of area source, exploring one can efficiently locate
The Ecological Disposal technique of municipal sewage and contaminated rain water is managed, realizes that municipal sewage is effectively treated, reaches sewage purification and safety row
It puts.
Another object of the present invention is that providing one kind effectively improves sewage treating efficiency, reduces the processing work of river pollution
Skill, technique construction is low with operating cost, and operation and maintenance are easy, while can be effectively reduced dirty in municipal sewage and rainwater
Object concentration is contaminated, pollution sources concentration is reduced, meanwhile, using riverbank processing technique circular treatment, reduce the pollutant in river water
Concentration, and then realize the purification of urban river water body.
To achieve the goals above, the present invention uses following technical measures:
A kind of municipal sewage and rainwater combined treatment process comprising following steps:
1. collecting municipal sewage: municipal sewage is collected by collecting pipe network, and the municipal sewage after collection is passed through tune
Pond is saved, water quality, runoff investigation are carried out；
2. septic tank is handled: conditioning tank water outlet being passed through in septic tank and is handled, has macromolecular under anaerobic
The hydrolysis of machine object reduces water outlet COD；
The processing of 3.A-B method: septic tank effluent is passed through in A-B method processing pond, and microorganism concn is high in the pond A, by biology
After absorption, supernatant enters the pond B and is handled, and Physical entrapment is realized after handling by A-B method, microbial biochemical acts on, height
Most of colloid and dissolved organic matter in effect removal sewage；
4. the net processing of ecology filter: the pond B supernatant enters ecology and filters net system processing, including system and should be set to outside system
The water inlet pipe and outlet pipe of side, the system partitioning are multiple independent purifying areas, and the first purifying area is provided with cobblestone and sand
Ground mass matter；Second purifying area is provided with zeolite, activated carbon substrate；Third purifying area is provided with polyester fiber cotton microbial matrices
With polyethylene hollow sphere microbial matrices；4th purifying area is provided with volcanic ash, medical stone matrix；The setting of 5th purifying area
There is photoresponse soil layer.The photoresponse soil layer is comprising black earth, containing Titanium slag；Wherein the 5th purifying area is arranged on system upper layer,
Receive sunlight irradiation or setting ultraviolet lamp is irradiated；
5. artificial wetland treatment；
6. the setting bypass inlet channel between artificial wet land system and ecology filter net system, is passed through bypass water inlet for rainwater
Canal enters drop system afterwards, and then enters the 5th purifying area, finally enters artificial wetland treatment.
Further, it according to the discharge amount of municipal sewage in treatment region, is connected, is established dirty using the pvc pipe of different size
Water collection pipe net.Sewage passes through in water inlet manifold trace gather after collecting introduces grid pond.Grid pond is greater than 1cm for filtering, retaining
Suspended matter or floating material.Enter conditioning tank by the water outlet of grid equipment, conditioning tank is for settling solid particle in sewage, detesting
The dirty water part organic matter of oxygen degradation.Conditioning tank water outlet passes through the mesh screen in the aperture 3mm.
Further, the ultraviolet lamp is opened in rainy weather or night
Further, sewage enters septic tank by pipeline, after being separated by solid-liquid separation by septic tank, at septic tank bottom
The solid content of accumulation is delivered to solid grinding device by slag-drip opening and sludge pump and is crushed.And it is upper at the top of septic tank
Clear liquid is delivered to A-B method processing pond through elevator pump after catch basin and is handled.
Further, enter A sections of adsorption tanks with the mixed waste water of sanitary sewage, sedimentation basin is entered after adsorption treatment
1, sedimentation basin supernatant enters B sections of biochemistry pools and is handled, and B sections of biochemistry pool water outlets enter sedimentation basin 2, sedimentation basin standard water discharge
Discharge；
Further, containing black earth, containing Titanium slag in the photoresponse soil layer, wherein black soil quality number is 80-90%,
Mass fraction containing Titanium slag is 5-15%, and surplus is vegetable fertilizer；
Further, planting plants in the photoresponse soil layer, rate of vegetation is less than 20%；
Further, microelement is added in the pond A, the microelement includes copper, rare earth, nickel, manganese, iron and carbon, with matter
On the basis of amount, rare earth element dosage 10-15%, copper dosage are 13-26%, nickel dosage is 4-8%, manganese dosage be 9-15%,
Iron 20-25, surplus are carbon；
Further, rare earth is at least one of lanthanum, cerium, scandium, the chlorate of praseodymium, sulfate or its oxide；It is described
Copper, nickel, manganese, iron are its simple substance or salt, and the salt is at least one of chlorate, sulfate or nitrate；
Further, it is baffling setting that ecology, which filters water (flow) direction between multiple independent purifying areas in net system,；
Reflux unit is set between artificial wetland effluent mouth and drop system, is based on the determination of artificial wetland effluent water quality
No to flow back, when water quality reaches discharge standard, stopping reflux, when water quality is not up to discharge standard, unlatching reflux unit is carried out
Reflow treatment further decreases pollutant concentration in water body by plant, photocatalysis；
Compared with prior art, the invention has the characteristics that:
1) using septic tank and A-B method combination processing, quickly and pollutant concentration in sewage is greatly lowered, greatly mentions
High treatment effeciency, has saved operating cost；
2) microelement is added in A sections of adsorption tanks, under the action of the elements such as rare earth, nickel, manganese, microorganism exocytosis
Object dramatically increases, and obviously reinforces the suction-operated of pollutant, and agglomerating effect significantly improves, and substantially increases microorganism to dirt
The suction-operated of object is contaminated, meanwhile, the addition of iron, carbon forms a large amount of small batteries, while degradation to pollutant,
Improve the effect of settling of microorganism；Contain trace rare-earth element in the sewage for filtering net system processing into ecology, therefore, into
When entering five purifying area containing titanium, play the role of further concerted catalysis to it；
3) titanium-containing waste residues are taken full advantage of, it is creative that its catalytic action is used for wastewater treatment, so that a large amount of waste residues obtain
With waste utilization.
4) present invention have very strong terrain adaptability and flexibility, i.e., between each processing unit connection type can according into
The design parameters flexible choices such as water pollution load, effluent quality and wetland unit area will can also cover more according to the actual situation
Artificial wetland combination system is freely combined according to landform with parallel form, is suitable for different terrain, is met the pollution of different waters
Process demand, the scope of application is wider, has a good application prospect.
Detailed description of the invention
Fig. 1 is municipal sewage and rainwater combined treatment process schematic diagram.
Specific embodiment
Embodiment 1:
A kind of municipal sewage and rainwater combined treatment process in the present embodiment, as shown in Figure 1, successively include collect pipe network,
Septic tank processing, the processing of A-B method, the net processing of ecology filter, artificial wetland treatment process, the specific steps are as follows:
1. collecting municipal sewage: municipal sewage is collected by collecting pipe network, and the municipal sewage after collection is passed through tune
Pond is saved, water quality, runoff investigation are carried out, the municipal sewage COD concentration is 1300mg/L, ammonia nitrogen concentration 120mg/L, total nitrogen
For 150mg/L；
2. septic tank is handled: conditioning tank water outlet being passed through in septic tank and is handled, has macromolecular under anaerobic
The hydrolysis of machine object reduces water outlet COD；
The processing of 3.A-B method: septic tank effluent is passed through in A-B method processing pond, and microorganism concn is high in the pond A, by biology
After absorption, supernatant enters the pond B and is handled, and Physical entrapment is realized after handling by A-B method, microbial biochemical acts on, height
Most of colloid and dissolved organic matter in effect removal sewage, wherein microelement is added in the pond A, the microelement includes
Copper, rare earth, nickel, manganese, iron and carbon, on the basis of quality, rare earth element dosage 10%, copper dosage are 15%, nickel dosage is
6%, manganese dosage is 10%, iron 20%, and surplus is carbon, and the iron is simple substance, and carbon is active carbon, and rare earth, copper, nickel and manganese are
Its chlorate；
4. the net processing of ecology filter: the pond B supernatant enters ecology and filters net system processing, including system and should be set to outside system
The water inlet pipe and outlet pipe of side, the system partitioning are multiple independent purifying areas, and the first purifying area is provided with cobblestone and sand
Ground mass matter；Second purifying area is provided with zeolite, activated carbon substrate；Third purifying area is provided with polyester fiber cotton microbial matrices
With polyethylene hollow sphere microbial matrices；4th purifying area is provided with volcanic ash, medical stone matrix；The setting of 5th purifying area
There is photoresponse soil layer.The photoresponse soil layer is comprising black earth, containing Titanium slag；Wherein the 5th purifying area is arranged on system upper layer,
Receive sunlight irradiation or setting ultraviolet lamp is irradiated；The ultraviolet lamp is opened in rainy weather or night；
5. artificial wetland treatment；
6. the setting bypass inlet channel between artificial wet land system and ecology filter net system, is passed through bypass water inlet for rainwater
Canal is passed through drop system, and then enters artificial swamp.
Embodiment 2:
On the basis of embodiment 1, the photoresponse soil layer includes black earth, contains Titanium slag, and wherein black soil quality number is
80%, mass fraction containing Titanium slag is 15%, and surplus is vegetable fertilizer.
Embodiment 3:
On the basis of embodiment 1, the photoresponse soil layer is comprising black earth, contains Titanium slag, wherein black soil quality number
It is 85%, mass fraction containing Titanium slag is 9%, and surplus is vegetable fertilizer.
Embodiment 4:
On the basis of embodiment 1, the photoresponse soil layer is comprising black earth, contains Titanium slag, wherein black soil quality number
It is 90%, mass fraction containing Titanium slag is 5%, and surplus is vegetable fertilizer.
Embodiment 5:
On the basis of embodiment 1, microelement is added in the pond A, the microelement includes copper, rare earth, nickel, manganese, iron
And carbon, on the basis of quality, rare earth element dosage 12%, copper dosage are 26%, nickel dosage is 4%, manganese dosage is 12%,
Iron 22%, surplus are carbon；The iron is simple substance, and carbon is active carbon, and rare earth, copper, nickel and manganese are its chlorate.
Embodiment 6:
On the basis of embodiment 1, microelement is added in the pond A, the microelement includes copper, rare earth, nickel, manganese, iron
And carbon, on the basis of quality, rare earth element dosage 15%, copper dosage are 20%, nickel dosage is 4%, manganese dosage is 15%,
Iron 25%, surplus are carbon；The iron is simple substance, and carbon is active carbon, and rare earth, copper, nickel and manganese are its chlorate.
After running according to above-described embodiment, good operational effect is obtained.Through detecting, microelement is added in the pond A
Afterwards, A sections of effect of settling are substantially better than common process, and due to the addition of active carbon, mud granule is significantly increased, and adsorption effect is bright
It is aobvious to improve.
The above examples are only used to illustrate the technical scheme of the present invention and are not limiting, although referring to preferred embodiment to this
Invention is described in detail, and those skilled in the art can modify or wait to technical solution of the present invention
With replacement, without departing from the objective and range of technical solution of the present invention, it should all cover and work as in scope of the presently claimed invention
In.
Claims (8)
1. a kind of municipal sewage and rainwater combined treatment process, characterized by the following steps:
1) collect municipal sewage: municipal sewage is collected by collecting pipe network, and the municipal sewage after collection is passed through conditioning tank,
Carry out water quality, runoff investigation；
2) septic tank is handled: conditioning tank water outlet being passed through in septic tank and is handled, makes larger molecular organics under anaerobic
Hydrolysis reduces water outlet COD；
3) A-B method is handled: septic tank effluent being passed through in A-B method processing pond, microorganism concn is high in the pond A, by biological adsorption
Afterwards, supernatant enters the pond B and is handled, and Physical entrapment, microbial biochemical effect are realized after handling by A-B method, is efficiently gone
Except colloid most of in sewage and dissolved organic matter；
4) the net processing of ecology filter: the pond B supernatant enters ecology and filters net system processing, should including system and on the outside of system into
Water pipe and outlet pipe, the system partitioning are multiple independent purifying areas, and the first purifying area is provided with cobblestone and sandstone matrix；
Second purifying area is provided with zeolite, activated carbon substrate；Third purifying area is provided with polyester fiber cotton microbial matrices and polyethylene
Hollow sphere microbial matrices；4th purifying area is provided with volcanic ash, medical stone matrix；5th purifying area is provided with photoresponse soil
Layer, the photoresponse soil layer are comprising black earth, containing Titanium slag；Wherein the 5th purifying area is arranged on system upper layer, receives sunlight
Irradiation or setting ultraviolet lamp are irradiated；
5) artificial wetland treatment；
6) the setting bypass inlet channel between artificial wet land system and ecology filter net system, is passed through the bypass inlet channel for rainwater, after
Into drop system, and then enter the 5th purifying area, finally enters artificial wetland treatment.
2. technique as described in claim 1, which is characterized in that according to the discharge amount of municipal sewage in treatment region, using difference
The pvc pipe of specification connects, and establishes sewage collecting pipe network, and municipal sewage passes through in water inlet manifold trace gather after collecting introduces grid pond,
Grid pond is used to filter, retains the suspended matter or floating material for being greater than 1cm, enters conditioning tank, conditioning tank by the water outlet of grid equipment
For settling solid particle in sewage, anaerobic degradation dirt water part organic matter, conditioning tank water outlet passes through the mesh screen in the aperture 3mm.
3. technique as described in claim 1, which is characterized in that municipal sewage enters A sections of adsorption tanks, enters after adsorption treatment
Sedimentation basin 1, sedimentation basin supernatant enter B sections of biochemistry pools and are handled, and B sections of biochemistry pool water outlets enter sedimentation basin 2, sedimentation basin water outlet
Qualified discharge.
4. technique as described in claim 1, which is characterized in that add microelement in the pond A, the microelement include copper,
Rare earth, nickel, manganese, iron and carbon, on the basis of quality, rare-earth usage 10-15%, copper dosage are 13-26%, nickel dosage is 4-
8%, manganese dosage is 9-15%, iron 20-25%, and surplus is carbon.
5. technique as claimed in claim 4, which is characterized in that rare earth is lanthanum, cerium, scandium, the chlorate of praseodymium, sulfate or its oxygen
At least one of compound；The copper, nickel, manganese, iron are its salt, the salt be in chlorate, sulfate or nitrate extremely
Few one kind.
6. technique as described in claim 1, which is characterized in that containing black earth, containing Titanium slag in the photoresponse soil layer, wherein black
Native mass fraction is 80-90%, and mass fraction containing Titanium slag is 5-15%, and surplus is vegetable fertilizer.
7. technique as described in claim 1, which is characterized in that planting plants in the photoresponse soil layer, rate of vegetation are small
In 20%.
8. technique as described in claim 1, which is characterized in that open the ultraviolet lamp in rainy weather or night.
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| CN201810799124.9A CN108996814B (en) | 2018-07-19 | 2018-07-19 | Urban sewage and rainwater combined treatment process |
| PCT/CN2019/078637 WO2020015374A1 (en) | 2018-07-19 | 2019-03-19 | Combined treatment process for municipal sewage and rainwater |
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| WO2020015374A1 (en) | 2020-01-23 |
| CN108996814B (en) | 2021-05-18 |
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