CN106045208A - Domestic sewage treatment method - Google Patents
Domestic sewage treatment method Download PDFInfo
- Publication number
- CN106045208A CN106045208A CN201610552228.0A CN201610552228A CN106045208A CN 106045208 A CN106045208 A CN 106045208A CN 201610552228 A CN201610552228 A CN 201610552228A CN 106045208 A CN106045208 A CN 106045208A
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- Prior art keywords
- domestic sewage
- processing method
- time
- sewage processing
- adsorption
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Classifications
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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
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/30—Wastewater or sewage treatment systems using renewable energies
- Y02W10/37—Wastewater or sewage treatment systems using renewable energies using solar energy
Abstract
The invention provides a domestic sewage treatment method, and belongs to the field of sewage treatment. The method comprises the steps of mesh filtration; precipitating adjustment, wherein a phosphorus removing agent is adopted; biochemical treatment, wherein sewage treatment is conducted through active sludge, an intermittent electrostatic field is set, and after the active sludge is pretreated by ultrasonic waves, tourmaline powder is added into the active sludge; precipitating adsorption, wherein porous adsorption filler is adopted as an adsorption material; wet land treatment. According to the method, the activity of microorganisms can be greatly activated, the adaptive capacity of the microorganisms to the electric field is improved, the sewage treatment time is shortened, reproduction of the microorganisms can be accelerated, the utilization rate of the active sludge is increased, and water body purification is promoted.
Description
Technical field
The present invention relates to sewage treatment area, be specifically related to one way of life sewage water treatment method.
Background technology
China's water resource lacks, and occupancy volume per person is little.In domestic water, content of material is complicated, if do not carried out processing directly row
Put to environment, it will polluted underground water, have a strong impact on human health and ecological environment.
Also wideling popularize and develop sewage disposal both at home and abroad at present, sanitary sewage comparison of ingredients is fixed, the Organic substance contained
More, biodegradability is strong, is relatively suitable for the growth of antibacterial, and therefore the processing method major part of sanitary sewage is biochemical treatment.Quiet
Electric treatment technology is the important technology during water processes, and utilizes electric field to act on the microorganism in water so that it is biology effect occurs
Should, improve the activity of microorganism, but mainly with in the process of biomembranous water.
It is strong that Publication No. CN102249409B Chinese invention patent discloses a kind of anaerobism sewage disposal utilizing solar energy
Gasifying device and method, the method utilizes solar energy to be converted into electric energy, act on anaerobism occur wherein, make sewage generation microorganism-
Micro-electrolysis reaction, remove hard-degraded substance.Publication number CN103482773 B discloses the dephosphorization medicine of a kind of domestic sewage in rural areas
Agent and method thereof, containing polyP bacteria in this Dephosphorization reagent, and be provided with positive-negative electrode plate in preliminary sedimentation tank, utilize solar powered.
After both reaction principles are for adding extra electric field by battery lead plate, being affected by external electric field, the zwitterion produced in reaction can accelerate
Move to specific pole plate direction, fundamentally add substrate mass-transfer efficiency.In microorganism-micro-electrolysis reaction, ion can be
Under the influence of external electric field, motion formation local concentration is poor, and reaction can generate more polyion by degradation of organic substances, reaches dynamic equilibrium, accelerates
W-response process.But activated sludge has certain applicable time to electric field, extends the process time, adds energy consumption,
Fertility in microorganism is reduced simultaneously, reduces the recycling rate of waterused to activated sludge.
Summary of the invention
The present invention is to solve drawbacks described above, it is provided that a kind of shortening sewage disposal time, improve activated sludge utilization rate
Domestic sewage processing method with wastewater purification efficiency.
To achieve these goals, the present invention is achieved through the following technical solutions:
One way of life sewage water treatment method, including sanitary sewage being carried out grid filtration, precipitation regulation, biochemical treatment, heavy
Form sediment absorption and wetland variation, uses dephosphorization agent in the regulation of described precipitation, and described biochemical treatment includes intermittent static electric field process,
Pretreated activated sludge is utilized to carry out sewage disposal；Described precipitation adsorption uses adsorption stuffing；In described biochemical treatment
Activated sludge carries out pretreatment.
Further, described dephosphorization agent includes dephosphorization bacterial in being；
Further, described dephosphorization bacterial is amphimicrobian type Denitrifying Phosphate Accumulating Organisms；
Further, being provided with biochemical reactor in described biochemical treatment, the water inlet of biochemical reactor is provided with negative plate, goes out
The mouth of a river is provided with negative plate；
Further, the voltage in described biochemical reactor is set to 50-60kV, described electric field E=4.5x103-
5.0x103V/m, the described intermittent static electric field process time is 48-72h, and wherein the static electric field process time is 1-2h every time, intermittently
Time is 30-60min.
Further, the pretreatment of described activated sludge is: after activated sludge is utilized ultrasonic Treatment 30-60min, then
Add the tourmaline powder of the 10-20% of activated sludge weight.
Further, described biochemical treatment uses after static electric field process intermittent aeration, at described intermittent aeration
The reason time is 2-5 days, and wherein aeration time is 4-6h every time, and interval time is 2-3h.
Further, described adsorption stuffing is the weight portion of following components:
Activated carbon 30-50 part, Maifanitum 50-60 part, montmorillonite 30-40 part, acrylic acid 20-30 part, acrylamide 20-30
Part.
Further, described activated carbon, the particle diameter of Maifanitum and montmorillonite is 8-10 centimetre, described activated carbon, Maifanitum
Being porous with the inside of montmorillonite, percent opening is 45%-60%.
Further, the preparation method of described adsorption stuffing is: weighs each raw material of weight portion, is placed in reactor, if
Put temperature and be 60-80 DEG C, stirring reaction 1-2h.
The principle of the invention is: after utilizing grid to remove the solid refuse in sanitary sewage, uses and hold concurrently in precipitation regulation
Property anaerobic type Denitrifying Phosphate Accumulating Organisms carries out dephosphorization to sewage.Owing to activated sludge has certain adaptability to electric field, therefore exist
Early stage electric field is inconspicuous to the effect of microorganism, causes viability to reduce.Activated sludge carries out pretreatment, uses ultrasound wave to enter
Row section time-triggered protocol, it is possible to significantly activate the activity of microorganism, improve the microorganism adaptation ability to electric field simultaneously, shorten sewage
The process time.Activated sludge after the pre-treatment adds tourmaline powder, it is possible to stimulate the enzymatic activity in microbial body, accelerate micro-
Biological metabolism, while raising microorganism is to organic decomposition, moreover it is possible to accelerate the breeding of microorganism, improves activity
The utilization rate of mud；The adsorption stuffing used in precipitation adsorption is modified activated carbon and mineral, activated carbon, Maifanitum and Meng Tuo
Stone is loose structure, has adsorption, and employing acrylic acid and acrylamide are as monomer, with activated carbon, Maifanitum and illiteracy
De-stone mixing, carries out graft polymerization modification, makes the surface of activated carbon, Maifanitum and montmorillonite can form cationic on surface
Positive charge, can form again anionic negative charge, accelerates the precipitation of colloidal particle in sewage, promotes the purification of water body.
Domestic sewage processing method of the present invention, it has the beneficial effects that:
1, activated sludge carries out pretreatment, uses the ultrasound wave section of carrying out time-triggered protocol, it is possible to significantly activate the work of microorganism
Property, improve the microorganism adaptation ability to electric field simultaneously, shorten the sewage disposal time.
2, pretreated activated sludge adds tourmaline powder, it is possible to stimulate the enzymatic activity in microbial body, accelerate micro-
Biological metabolism, while raising microorganism is to organic decomposition, moreover it is possible to accelerate the breeding of microorganism, improves activity
The utilization rate of mud.
3, adsorption stuffing is modified activated carbon and Maifanitum and montmorillonite, for loose structure, has adsorption, it is possible to carry
High water body purification, carries out graft polymerization modification on surface, accelerates the precipitation of colloidal particle in sewage, promotes the purification of water body.
Detailed description of the invention
Below in conjunction with embodiment and detailed description of the invention, the present invention is described in further detail.But this should not understood
Scope for the above-mentioned theme of the present invention is only limitted to below example, and all technology realized based on present invention belong to this
The scope of invention.
Embodiment 1
One way of life sewage water treatment method, its method step includes:
(1) being collected by sanitary sewage, use multi grid to filter solid matter, the sewage after filtration enters precipitation
Pond；
(2) in sedimentation tank, being adjusted the pH value of sewage by acid-base modifier, regulation pH value is 6, adds and removes
After phosphorus agent is sufficiently mixed, keep reaction 10h；
(3) activated sludge carries out pretreatment, after activated sludge is utilized ultrasonic Treatment 60min, adds activated sludge
After the tourmaline powder of the 20% of weight is sufficiently mixed, it is seeded in biochemical reactor；Sewage reacted in sedimentation tank is passed through
Advection enters in biochemical reactor, and the water inlet of biochemical reactor is provided with negative plate, and outlet is provided with negative plate, uses solar energy
Or commercial power provides power supply, concurrently setting voltage is that voltage is set to 60kV, electric field E=4.5x103V/m, circular treatment
72h, wherein the static electric field process time is 2h every time, and the intermittent time is 60min, takes at intermittent aeration after static electric field process
Managing 5 days, wherein aeration time is 6h every time, and interval time is 2h；
(4), after after processing in step (3), upper water settles in entering one-level Sedimentation tank, upper water advection enters sedimentation
In adsorption tank, containing adsorption stuffing in sedimentation adsorption tank, after upper water stops 10h in adsorption stuffing, it is directly discharged into Manual moist
In ground, can be directly discharged in environment after processing.
Wherein adsorption stuffing is the weight portion of following components: activated carbon 50 parts, Maifanitum 60 parts, montmorillonite 30 parts, propylene
Acid 30 parts, acrylamide 30 parts, preparation method is: weighs each raw material of weight portion, is placed in reactor, and arranging temperature is 80
DEG C, stirring reaction 1h.
Embodiment 2
One way of life sewage water treatment method, its method step includes:
(1) being collected by sanitary sewage, use multi grid to filter solid matter, the sewage after filtration enters precipitation
Pond；
(2) in sedimentation tank, being adjusted the pH value of sewage by acid-base modifier, regulation pH value is 7, adds and removes
After phosphorus agent is sufficiently mixed, keep reaction 8h；
(3) activated sludge carries out pretreatment, after activated sludge is utilized ultrasonic Treatment 40min, adds activated sludge
After the tourmaline powder of the 15% of weight is sufficiently mixed, it is seeded in biochemical reactor；Sewage reacted in sedimentation tank is passed through
Advection enters in biochemical reactor, and the water inlet of biochemical reactor is provided with negative plate, and outlet is provided with negative plate, uses solar energy
Or commercial power provides power supply, concurrently setting voltage is that voltage is set to 60kV, electric field E=5.0x103V/m, circular treatment
48h, wherein the static electric field process time is 1h every time, and the intermittent time is 30min；Intermittent aeration 3 is taked after static electric field process
My god, each aeration time is 4h, and interval time is 3h；
(4), after after processing in step (3), upper water settles in entering one-level Sedimentation tank, upper water advection enters sedimentation
In adsorption tank, containing adsorption stuffing in sedimentation adsorption tank, after upper water stops 6h in adsorption stuffing, it is directly discharged into artificial swamp
In, can be directly discharged in environment after processing.
Wherein adsorption stuffing is the weight portion of following components: activated carbon 30 parts, Maifanitum 50 parts, montmorillonite 40 parts, propylene
Acid 25 parts, acrylamide 25 parts, preparation method is: weighs each raw material of weight portion, is placed in reactor, and arranging temperature is 60
DEG C, stirring reaction 2h.
Embodiment 3
One way of life sewage water treatment method, its method step includes:
(1) being collected by sanitary sewage, use multi grid to filter solid matter, the sewage after filtration enters precipitation
Pond；
(2) in sedimentation tank, being adjusted the pH value of sewage by acid-base modifier, regulation pH value is 7.5, adds
After dephosphorization agent is sufficiently mixed, keep reaction 6h；
(3) activated sludge carries out pretreatment, after activated sludge is utilized ultrasonic Treatment 30min, adds activated sludge
After the tourmaline powder of the 10% of weight is sufficiently mixed, it is seeded in biochemical reactor；Sewage reacted in sedimentation tank is passed through
Advection enters in biochemical reactor, and the water inlet of biochemical reactor is provided with negative plate, and outlet is provided with negative plate, uses solar energy
Or commercial power provides power supply, concurrently setting voltage is that voltage is set to 50kV, electric field E=5.0x103V/m, circular treatment
60h, wherein the static electric field process time is 1h every time, and the intermittent time is 30min；Intermittent aeration 2 is taked after static electric field process
My god, each aeration time is 6h, and interval time is 3h；
(4), after after processing in step (3), upper water settles in entering one-level Sedimentation tank, upper water advection enters sedimentation
In adsorption tank, containing adsorption stuffing in sedimentation adsorption tank, after upper water stops 8h in adsorption stuffing, it is directly discharged into artificial swamp
In, can be directly discharged in environment after processing.
Wherein adsorption stuffing is the weight portion of following components: activated carbon 40 parts, Maifanitum 55 parts, montmorillonite 35 parts, propylene
Acid 20 parts, acrylamide 20 parts, preparation method is: weighs each raw material of weight portion, is placed in reactor, and arranging temperature is 70
DEG C, stirring reaction 1.5h.
Following table is the assay of domestic sewage processing method of the present invention, and indices is as follows: (condition: 10m3Life dirt
Water, 25 DEG C, 2 time-of-weeks)
| Project | Index |
| CODCr(mg/L) | 25 |
| BOD5(mg/L) | 7.3 |
| SS(mg/L) | 5 |
| PH | 6-9 |
| Colourity (is spent) | 50 |
| Time LVFS | 30% |
| Mud utilization rate >= | 95% |
As can be seen from the above embodiments, the effluent quality in the inventive method significantly improves, and the contracting of sewage disposal time
Short by 30%, and mud utilization rate is also greatly improved, and reduces energy consumption, promotes and recycle.
Claims (10)
1. one way of life sewage water treatment method, it is characterised in that: sanitary sewage is included that grid filters, precipitation regulation, raw
Change processes, precipitation adsorption and wetland variation, uses dephosphorization agent in the regulation of described precipitation, and described biochemical treatment includes intermittent electrostatic
Field processes, and utilizes the activated sludge of pretreatment to carry out sewage disposal；Described precipitation adsorption uses adsorption stuffing.
Domestic sewage processing method the most according to claim 1, it is characterised in that: described dephosphorization agent includes dephosphorization in being
Bacterium.
Domestic sewage processing method the most according to claim 2, it is characterised in that: described dephosphorization bacterial is that amphimicrobian type is anti-
Nitrification polyP bacteria.
Domestic sewage processing method the most according to claim 1, it is characterised in that: described biochemical treatment is provided with biochemical anti-
Answering device, the water inlet of biochemical reactor is provided with negative plate, and outlet is provided with negative plate.
Domestic sewage processing method the most according to claim 1, it is characterised in that: the intermittence in described biochemical reactor
In electrostatic field, voltage is set to 50-60kV, described electric field E=4.5x103-5.0x103V/m, during described intermittent static electric field process
Between be 48-72h, wherein every time the static electric field process time is 1-2h, and the intermittent time is 30-60min.
Domestic sewage processing method the most according to claim 1, it is characterised in that: the pretreatment of described activated sludge is:
After activated sludge is utilized ultrasonic Treatment 30-60min, add the tourmaline powder of the 10-20% of activated sludge weight.
Domestic sewage processing method the most according to claim 1, it is characterised in that: in described biochemical treatment at electrostatic field
Using intermittent aeration after reason, the described intermittent aeration process time is 2-5 days, and wherein aeration time is 4-6h every time, interval
Time is 2-3h.
Domestic sewage processing method the most according to claim 1, it is characterised in that: described adsorption stuffing is following components
Weight portion:
Activated carbon 30-50 part, Maifanitum 50-60 part, montmorillonite 30-40 part, acrylic acid 20-30 part, acrylamide 20-30 part.
Domestic sewage processing method the most according to claim 8, it is characterised in that: described activated carbon, Maifanitum and Meng Tuo
The particle diameter of stone is 8-10 centimetre, described activated carbon, and the inside of Maifanitum and montmorillonite is porous.
Domestic sewage processing method the most according to claim 8, it is characterised in that: the preparation method of described adsorption stuffing
For: weighing the activated carbon of weight portion, Maifanitum, montmorillonite, acrylic acid and acrylamide, be placed in reactor, arranging temperature is
60-80 DEG C, stirring reaction 1-2h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552228.0A CN106045208A (en) | 2016-07-12 | 2016-07-12 | Domestic sewage treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610552228.0A CN106045208A (en) | 2016-07-12 | 2016-07-12 | Domestic sewage treatment method |
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| CN106045208A true CN106045208A (en) | 2016-10-26 |
Family
ID=57186379
Family Applications (1)
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| CN201610552228.0A Pending CN106045208A (en) | 2016-07-12 | 2016-07-12 | Domestic sewage treatment method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106746354A (en) * | 2017-01-22 | 2017-05-31 | 浙江阿凡柯达环保科技有限公司 | A kind of sewage in-situ processes integrated equipment |
| CN108996848A (en) * | 2018-09-06 | 2018-12-14 | 杨镒玮 | A kind of sewage-treatment plant and method |
| CN111603838A (en) * | 2019-02-25 | 2020-09-01 | 冀勃睿 | Domestic sewage physical method processing apparatus with deodorant function |
| CN112079532A (en) * | 2020-09-17 | 2020-12-15 | 苏州科技大学 | Urban sewage treatment process for recovering organic matters and phosphorus |
| CN113060830A (en) * | 2021-04-11 | 2021-07-02 | 郑州大学 | Method for accelerating aerobic sludge granulation by using tourmaline as crystal nucleus |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106746354A (en) * | 2017-01-22 | 2017-05-31 | 浙江阿凡柯达环保科技有限公司 | A kind of sewage in-situ processes integrated equipment |
| CN108996848A (en) * | 2018-09-06 | 2018-12-14 | 杨镒玮 | A kind of sewage-treatment plant and method |
| CN111603838A (en) * | 2019-02-25 | 2020-09-01 | 冀勃睿 | Domestic sewage physical method processing apparatus with deodorant function |
| CN112079532A (en) * | 2020-09-17 | 2020-12-15 | 苏州科技大学 | Urban sewage treatment process for recovering organic matters and phosphorus |
| CN112079532B (en) * | 2020-09-17 | 2021-09-17 | 苏州科技大学 | Urban sewage treatment process for recovering organic matters and phosphorus |
| CN113060830A (en) * | 2021-04-11 | 2021-07-02 | 郑州大学 | Method for accelerating aerobic sludge granulation by using tourmaline as crystal nucleus |
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