CN110002586A - A kind of active carbon addition method and system for municipal sewage plant - Google Patents
A kind of active carbon addition method and system for municipal sewage plant Download PDFInfo
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- CN110002586A CN110002586A CN201910321577.5A CN201910321577A CN110002586A CN 110002586 A CN110002586 A CN 110002586A CN 201910321577 A CN201910321577 A CN 201910321577A CN 110002586 A CN110002586 A CN 110002586A
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- active carbon
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- discharge port
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/30—Aerobic and anaerobic processes
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- Biodiversity & Conservation Biology (AREA)
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- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention discloses a kind of active carbon addition methods and system for municipal sewage plant.Active carbon addition method of the present invention includes the following steps: that using wet type to add active carbon mixes into the biological tank of sewage treatment plant with sewage, with the polluter in absorption effluent.The system includes single dissolving tank and biological tank；The biological tank includes sequentially connected anaerobic pond, anoxic pond and aerobic tank, and sewage inlet is arranged on the anaerobic pond, sewage outlet is arranged on the aerobic tank；The list dissolving tank is equipped with feed opening and discharge port；The discharge port is connected with the anaerobic pond of the biological tank, anoxic pond and aerobic tank respectively by pipeline；And a control valve 1 is set on the discharge port.The present invention can effectively remove the pollutant in water, save adsorption tank structures, reduce processing cost；Simultaneously the synergistic effect of the bacterium in activated sludge and active carbon can preferably degradation of contaminant, generate higher environment and economic benefit.
Description
Technical field
The present invention relates to a kind of active carbon addition methods and system for municipal sewage plant, belong to sewage treatment neck
Domain.
Background technique
With the continuous development of industry to accelerate with urbanization process, sewage treatment load continues to increase, and at town sewage
It is increasingly strict to manage factory's sewage drainage standard.Activated sludge process is dirty water living creature processing technique most widely used at present, has technique
The advantages that process is simple, high treating effect, but traditional activated sludge process is difficult to meet current emission request, this requires
Sewage treatment plant carries out proposing mark transformation and increases advanced treating means.Studying more mature advanced treatment process at present has ozone
Oxidizing process, UV/H2O2Advanced oxidation, photochemical catalysis oxidizing process etc., but generally existing feature with high costs, main body
It is present: 1) foundation of structures or processing unit；2) operation and maintenance of device.
Active carbon is a kind of adsorbent of economical and efficient, shows huge application value in water treatment field.It can
The polluter in water removal is enough removed, the organic matter in water also can be effectively captured, it is huge to containing in sewage after " absorption-desorption "
Big organic chemistry can be carried out resource utilization.Studies have shown that the typical sanitary sewage for being 500mg/L for COD, contained by
Sewage " theoretical maximum organic chemistry energy " is 22.55kWh/m3。
Summary of the invention
The object of the present invention is to provide a kind of active carbon addition methods and system for municipal sewage plant.
A kind of active carbon addition method for municipal sewage plant provided by the invention, includes the following steps: to live
Property charcoal add and mixed into the biological tank of sewage treatment plant with sewage using wet type, with the polluter in absorption effluent.
In above-mentioned method, the active carbon uses wet type to add to be configured to active carbon for active carbon powder is soluble in water
Slurries.
In above-mentioned method, the partial size of the active carbon can be 100~200 mesh, concretely 200 mesh；
Handle every m3Sewage, the amount that the active carbon adds can be 5~15g, concretely 6.27g, 9.40g, 12.54g,
6.27~12.54g；It is preferred that handling every m3Sewage, the amount that the active carbon adds can be 7~7.5g.
In above-mentioned method, when preparing the active carbon slurries, the time that the active carbon is mixed with the water can be
0.3~0.7 hour, concretely 0.5 hour, 0.3~0.5 hour, 0.5~0.7 hour or 0.4~0.6 hour.
In above-mentioned method, the active carbon, which adds the period, to be thrown the active carbon slurries for 0.6~1 sludge age
It adds in sewage treatment plant's biological tank, is aerated with the aerobic tank of biological tank or stirring is sufficiently mixed with sewage, adsorb water
In polluter.
In the present invention, for the synergistic effect for guaranteeing active carbon and microorganism, the increase of the costs such as structures is reduced, directly will
Active carbon is added to biological tank.
In the present invention, the processing of the active carbon is disposed: the active carbon adsorbs polluter after entering the biological tank,
Unified Treatment of Sludge and disposition are carried out with excess sludge discharge.
The present invention also provides a kind of systems that the active carbon for municipal sewage plant adds, which includes Dan Rong
Solve tank and biological tank；The biological tank includes sequentially connected anaerobic pond, anoxic pond and aerobic tank, is arranged on the anaerobic pond dirty
Sewage outlet is arranged on the aerobic tank in water water inlet；
The list dissolving tank is equipped with feed opening and discharge port；The discharge port is detested with the biological tank respectively by pipeline
Oxygen pond, anoxic pond are connected with aerobic tank；And a control valve 1 is set on the discharge port.
In above-mentioned system, institute that the discharge port is connected with the anaerobic pond of the biological tank, anoxic pond and aerobic tank
It states and control valve 2, control valve 3, control valve 4 is respectively set in the outlet of pipeline.
In above-mentioned system, the list dissolving tank carries out conveying metering by the metering pump being arranged.
In above-mentioned system, it is respectively provided with and stirs in the list dissolving tank, the anaerobic pond, the anoxic pond and the aerobic tank
Mix device.
Invention further provides a kind of system added using the above-mentioned active carbon for municipal sewage plant into
Row active carbon addition method, includes the following steps:
1) dosing method of active carbon: the active carbon slurries are prepared in single dissolving tank, are carried out using metering pump defeated
Send metering；
2) active carbon adds site: the active carbon slurries of single dissolving tank conveying are directly passed through the pipeline
It adds to the biological tank, and is stirred and mixes with the sewage that the sewage inlet of the anaerobic pond is added；The active carbon
After polluter in absorption effluent, treated, and sewage is excluded by the sewage outlet of the aerobic tank.
The invention has the following advantages that
The present invention can effectively remove the pollutant in water, save adsorption tank structures, reduce processing cost；Activity is dirty simultaneously
The synergistic effect of bacterium and active carbon in mud can preferably degradation of contaminant, generate higher environment and economic benefit.
Detailed description of the invention
Fig. 1 is flow chart of the present invention for the active carbon addition method of municipal sewage plant.
Specific embodiment
Experimental method used in following embodiments is conventional method unless otherwise specified.
The materials, reagents and the like used in the following examples is commercially available unless otherwise specified.
Invention is further explained with reference to the accompanying drawing, but the invention is not limited to following embodiments.
Embodiment 1, the system that adds of active carbon for municipal sewage plant
As shown in Figure 1, for a kind of system that the active carbon for municipal sewage plant adds of the present invention, which includes
Single dissolving tank and biological tank；Biological tank includes sequentially connected anaerobic pond, anoxic pond and aerobic tank, on anaerobic pond setting sewage into
Sewage outlet is arranged on aerobic tank in the mouth of a river；Single dissolving tank is equipped with feed opening and discharge port；Discharge port by pipeline respectively with life
The anaerobic pond in object pond, anoxic pond are connected with aerobic tank；And a control valve 1 is set on discharge port.
Further, divide in the outlet for the pipeline that discharge port is connected with the anaerobic pond of biological tank, anoxic pond and aerobic tank
It She Zhi not control valve 2, control valve 3, control valve 4.
Further, single dissolving tank carries out conveying metering by the metering pump being arranged.
Further, agitating device is all provided in single dissolving tank, anaerobic pond, anoxic pond and aerobic tank.
Embodiment 2,
Active carbon is carried out according to the system added for the active carbon of municipal sewage plant as shown in Figure 1 to add with right
The step of sewage is handled is as follows:
(1) configuration of active carbon slurries
Powdered Activated Carbon (200 mesh) is dissolved in water, 0.5h is stirred, is configured to active carbon slurries.Dosage by
It manages water to determine, handles every m3Sewage, the amount that active carbon adds is 6.27g, 9.40g, 12.54g, with specific reference to sewage load
Add active carbon 3g, 4.5g, 6g.
(2) dosing method of active carbon
Active carbon slurries are added into sewage treatment plant's biological tank, the sewage being added with the sewage inlet of anaerobic pond into
The lasting stirring of row is sufficiently mixed with the aeration of biological tank with sewage, adsorbs the polluter in water.According to outlet effect, every
0.6~1 sludge age adds once.
(3) the processing disposition of active carbon
Active carbon adsorbs polluter after entering biological tank, carries out unified Treatment of Sludge and place with excess sludge discharge
It sets.
The different activities charcoal for carrying out sewage treatment as shown in table 1 for the present invention, which adds concentration and corresponds to COD, to change with time.
By Tables 1 and 2 it is found that after biological tank adds active carbon, water outlet COD value is significantly reduced, and reaches " urban wastewater treatment firm water dirt
Contaminate object discharge standard " level-one emission standard A, it is able to maintain that the time of a sludge age substantially.With time stepping method, COD performance
Raised trend out, and move closer to background value.
1 different activities charcoal of table adds the corresponding COD of concentration with the variation of processing time
Active carbon processing COD background value is not added in table 2
Claims (9)
1. a kind of active carbon addition method for municipal sewage plant includes the following steps: to throw active carbon using wet type
It adds in the biological tank of sewage treatment plant and is mixed with sewage, with the polluter in absorption effluent.
2. according to the method described in claim 1, it is characterized by: the active carbon uses wet type to add for by active carbon powder
The active carbon slurries soluble in water that are configured to add.
3. method according to claim 1 or 2, it is characterised in that: the partial size of the active carbon is 100~200 mesh；
Handle every m3Sewage, the amount that the active carbon adds are 5~15g.
4. method according to any one of claim 1-3, it is characterised in that: described when preparing the active carbon slurries
The time that active carbon is mixed with the water is 0.3~0.7 hour.
5. method according to any of claims 1-4, it is characterised in that: the active carbon add the period be 0.6~1
A sludge age.
6. a kind of system that the active carbon for municipal sewage plant adds, it is characterised in that: the system includes single dissolving tank
And biological tank；The biological tank includes sequentially connected anaerobic pond, anoxic pond and aerobic tank, on the anaerobic pond setting sewage into
Sewage outlet is arranged on the aerobic tank in the mouth of a river；
The list dissolving tank is equipped with feed opening and discharge port；The discharge port passes through the pipeline anaerobism with the biological tank respectively
Pond, anoxic pond are connected with aerobic tank；And a control valve 1 is set on the discharge port.
7. system according to claim 6, it is characterised in that: the anaerobic pond of the discharge port and the biological tank, anoxic
Control valve 2, control valve 3, control valve 4 are respectively set in the outlet for the pipeline that pond is connected with aerobic tank.
8. system according to claim 6 or 7, it is characterised in that: the list dissolving tank is carried out by the metering pump of setting
Conveying metering.
9. system a method according to any one of claims 6-8, it is characterised in that: the list dissolving tank, the anaerobic pond, institute
It states in anoxic pond and the aerobic tank and is all provided with agitating device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910321577.5A CN110002586A (en) | 2019-04-19 | 2019-04-19 | A kind of active carbon addition method and system for municipal sewage plant |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910321577.5A CN110002586A (en) | 2019-04-19 | 2019-04-19 | A kind of active carbon addition method and system for municipal sewage plant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655181A (en) * | 2019-08-08 | 2020-01-07 | 北京恩菲环保股份有限公司 | Powdered activated carbon adding system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102807282A (en) * | 2012-08-17 | 2012-12-05 | 甘肃银光化学工业集团有限公司 | Wet type raw material feeding device and method for feeding multiple raw materials |
| US20130206687A1 (en) * | 2011-08-22 | 2013-08-15 | Baker Hughes Incorporated | Method for using activated carbon for treating water |
| CN104496019A (en) * | 2014-12-23 | 2015-04-08 | 李开明 | Method for culturing granular sludge in anaerobic reactor |
| CN204625303U (en) * | 2015-04-29 | 2015-09-09 | 南京工程学院 | Effective integrated organic waste-water treating apparatus |
-
2019
- 2019-04-19 CN CN201910321577.5A patent/CN110002586A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20130206687A1 (en) * | 2011-08-22 | 2013-08-15 | Baker Hughes Incorporated | Method for using activated carbon for treating water |
| CN102807282A (en) * | 2012-08-17 | 2012-12-05 | 甘肃银光化学工业集团有限公司 | Wet type raw material feeding device and method for feeding multiple raw materials |
| CN104496019A (en) * | 2014-12-23 | 2015-04-08 | 李开明 | Method for culturing granular sludge in anaerobic reactor |
| CN204625303U (en) * | 2015-04-29 | 2015-09-09 | 南京工程学院 | Effective integrated organic waste-water treating apparatus |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655181A (en) * | 2019-08-08 | 2020-01-07 | 北京恩菲环保股份有限公司 | Powdered activated carbon adding system |
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