CN110194529A - Hydrolysis acidification wastewater treatment method - Google Patents
Hydrolysis acidification wastewater treatment method Download PDFInfo
- Publication number
- CN110194529A CN110194529A CN201910496384.3A CN201910496384A CN110194529A CN 110194529 A CN110194529 A CN 110194529A CN 201910496384 A CN201910496384 A CN 201910496384A CN 110194529 A CN110194529 A CN 110194529A
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- CN
- China
- Prior art keywords
- anoxic
- waste water
- bioreactor
- treatment method
- anoxic bioreactor
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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
- 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
- C02F3/28—Anaerobic digestion processes
- C02F3/2866—Particular arrangements for anaerobic reactors
-
- 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
Abstract
The invention discloses hydrolysis acidification wastewater treatment method, method and steps are as follows: S1: before processing, being first measured to Pollutants in Wastewater ingredient and concentration, to determine reaction time of the waste water in anoxic bioreactor；S2: waste water to be processed enters in anoxic bioreactor through water inlet to be handled, the anoxic bioreactor upper end opening, and agitating device is equipped in the anoxic bioreactor；S3: through treated in the S1, waste water is flowed to sedimentation basin, and upper water after precipitation is discharged from water outlet, and into next section of process, lower layer's sludge is delivered to the anoxic bioreactor through sludge reflux pump.The present invention has many advantages, such as efficient, cheap, easy to operate.
Description
Technical field
The present invention relates to technical field of waste water processing more particularly to hydrolysis acidification wastewater treatment methods.
Background technique
In field of waste water treatment, compared to the physics such as coagulating sedimentation, absorption, Fenton, chemical treatment method, at biology
Reason technical costs is cheap, easy to operate, cost performance is high, is a kind of most commonly used wastewater processing technology, mainly includes
The methods of aerobic, anoxic, anaerobism or combinations thereof technique.However, most waste water because biodegradability is poor, exist and are not easy biological treatment and reach
Target problem.
In field of waste water treatment, anoxic treatment wastewater application it is very more, but do not give full play to anoxic biology mostly and exist
The biodegradability for improving waste water is only mentioned in effect in terms of wastewater treatment.
Summary of the invention
Technical problems based on background technology, the invention proposes hydrolysis acidification wastewater treatment method, have efficiently,
The advantages that cheap, easy to operate.
Hydrolysis acidification wastewater treatment method proposed by the present invention, method and step are as follows:
S1: before processing, being first measured Pollutants in Wastewater ingredient and concentration, to determine waste water in anoxic bioreactor
Reaction time；
S2: waste water to be processed enters in anoxic bioreactor through water inlet to be handled, anoxic bioreactor upper end
Opening, and agitating device is equipped in the anoxic bioreactor；
S3: through treated in the S1, waste water is flowed to sedimentation basin, and upper water after precipitation is discharged from water outlet, under
One section of process, lower layer's sludge are delivered to the anoxic bioreactor through sludge reflux pump.
Preferably, it is additionally provided with ORP controller in the anoxic bioreactor, for detecting the anoxic bioreactor
In ORP value.
Preferably, the ORP value in the anoxic bioreactor is less than -300mV.
Preferably, residence time of the waste water under anoxic bioreactor operating status is 3-10d.
Preferably, the stirring rate of agitating device is 12-25rpm in the S2.
Compared with prior art, the advantageous effects of the application:
(1) since anoxic bioreactor is open shape, under stirring, a small amount of oxygen can be brought into, and through anoxic biological respinse
Waste water after device bio-modification, B/C are improved, and BOD substance can be carried out aerobic oxidation, and the oxygen due to bringing by facultative microbe
Seldom, whole system is in anaerobic condition, to achieve the purpose that remove pollutant；
(2) under anaerobic condition, biology is stronger than aerobe to the tolerance of toxicant, harmful substance and salinity more, and one
As have 5-10 times of relationship, and waste water Poisoning substance, harmful substance and salinity are more, using anoxic biological treatment also than aerobic
Biological treatment is more preferable；
(3) what anoxic treatment pond can be done deeply is deeper, and after this treatment, and aerobic tank does not need to be made big, processing technological flow
Can also be brief, it correspondingly reduces occupied area and investment, operational management is also more convenient；
(4) anoxic biological treatment is more more energy efficient than Aerobic biological process, and can save the processing to sludge；
(5) anoxic biological treatment can cooperate Aerobic biological process, complete the removal to certain specific pollutants.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of hydrolysis acidification wastewater treatment method proposed by the present invention.
In figure: 1- anoxic bioreactor, 2- agitating device, 3- sedimentation basin, 4- sludge reflux pump；
A- water inlet, B- water outlet.
Specific embodiment
Combined with specific embodiments below the present invention is made further to explain.
With reference to Fig. 1, hydrolysis acidification wastewater treatment method proposed by the present invention, method and step is as follows:
S1: before processing, being first measured Pollutants in Wastewater ingredient and concentration, to determine waste water in anoxic bioreactor
Reaction time；
S2: waste water to be processed enters in anoxic bioreactor through water inlet to be handled, anoxic bioreactor upper end
Opening, and agitating device is equipped in the anoxic bioreactor；
S3: through treated in the S1, waste water flows to sedimentation basin, and upper water after precipitation is discharged from water outlet, and entrance is next
Section process, lower layer's sludge are delivered to the anoxic bioreactor through sludge reflux pump.
Embodiment 1
By measurement, the COD of a waste water from dyestuffcrFor 1053mg/L, and determine its reaction time in anoxic bioreactor
For 10d, which is inputted in the anoxic bioreactor that volume is 50L through water inlet and is reacted, and in device use
Portion's mechanical stirring mode, stirring rate 24rpm, 30 DEG C of waste water temperature, pH value 7.1, ORP value -340mV in device.
10d is reacted, is precipitated through sedimentation basin, and treated that water detects to water outlet draining, CODcrFor
83.5mg/L CODcrRemoval rate is 92.1%, and the water being discharged from water outlet can will be in waste water using simple Aerobic Process for Treatment
CODcrIt is reduced to 50mg/L or less.
Embodiment 2
To by routine biochemistry, treated that chemical industrial park enterprise wastewater detects, CODcrConcentration be 348mg/L,
PH7.4,25 DEG C of waste water temperature, ORP value -320mV determine that its reaction time in anoxic bioreactor is 4d, this are given up
It is reacted in the anoxic bioreactor that water is 50L through water inlet input volume, and the device uses middle part mechanical stirring side
Formula, stirring rate 14rpm.
4d is reacted, is precipitated through sedimentation basin, and treated that water detects to water outlet draining, CODcrFor 46mg/
L, CODcrRemoval rate is 86.8%, is significantly better than the effect of routine biochemistry processing.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. hydrolysis acidification wastewater treatment method, which is characterized in that method and step is as follows:
S1: before processing, being first measured Pollutants in Wastewater ingredient and concentration, to determine waste water in anoxic bioreactor
Reaction time；
S2: waste water to be processed enters in anoxic bioreactor through water inlet to be handled, anoxic bioreactor upper end
Opening, and agitating device is equipped in the anoxic bioreactor；
S3: through treated in the S1, waste water is flowed to sedimentation basin, and upper water after precipitation is discharged from water outlet, under
One section of process, lower layer's sludge are delivered to the anoxic bioreactor through sludge reflux pump.
2. hydrolysis acidification wastewater treatment method according to claim 1, which is characterized in that in the anoxic bioreactor
It is additionally provided with ORP, for detecting the ORP value in the anoxic bioreactor.
3. hydrolysis acidification wastewater treatment method according to claim 1 or 2, which is characterized in that the anoxic biological respinse
ORP value in device is less than -300mV.
4. hydrolysis acidification wastewater treatment method according to claim 1, which is characterized in that the waste water is anti-in anoxic biology
Answering the residence time under device operating status is 3-10d.
5. hydrolysis acidification wastewater treatment method according to claim 1, which is characterized in that agitating device stirs in the S2
Mixing rate is 12-25rpm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496384.3A CN110194529A (en) | 2019-06-10 | 2019-06-10 | Hydrolysis acidification wastewater treatment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910496384.3A CN110194529A (en) | 2019-06-10 | 2019-06-10 | Hydrolysis acidification wastewater treatment method |
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| CN110194529A true CN110194529A (en) | 2019-09-03 |
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| CN201910496384.3A Pending CN110194529A (en) | 2019-06-10 | 2019-06-10 | Hydrolysis acidification wastewater treatment method |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693233A (en) * | 2004-08-07 | 2005-11-09 | 安徽建筑工业学院 | Tech. for treating urban sewage by complete mixed hydrolytic acidify |
| CN101264999A (en) * | 2008-04-23 | 2008-09-17 | 山东大学 | Process and apparatus for treating sewage |
| CN103992006A (en) * | 2014-05-14 | 2014-08-20 | 江苏食品药品职业技术学院 | Hydrolytic acidification-MUCT combined treatment apparatus and method for high-concentration organic waste water |
| CN109574415A (en) * | 2019-01-16 | 2019-04-05 | 上海荣和环保科技有限公司 | A kind of method of electric flocculation demulsification biochemical treatment used cutting liquid |
-
2019
- 2019-06-10 CN CN201910496384.3A patent/CN110194529A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1693233A (en) * | 2004-08-07 | 2005-11-09 | 安徽建筑工业学院 | Tech. for treating urban sewage by complete mixed hydrolytic acidify |
| CN101264999A (en) * | 2008-04-23 | 2008-09-17 | 山东大学 | Process and apparatus for treating sewage |
| CN103992006A (en) * | 2014-05-14 | 2014-08-20 | 江苏食品药品职业技术学院 | Hydrolytic acidification-MUCT combined treatment apparatus and method for high-concentration organic waste water |
| CN109574415A (en) * | 2019-01-16 | 2019-04-05 | 上海荣和环保科技有限公司 | A kind of method of electric flocculation demulsification biochemical treatment used cutting liquid |
Non-Patent Citations (1)
| Title |
|---|
| 王绍文等编著: "《焦化废水无害化处理与回用技术》", 31 May 2005, 冶金工业出版社 * |
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Application publication date: 20190903 |