CN101838051B - Anaerobic acclimation-culturing process and device for sludge - Google Patents
Anaerobic acclimation-culturing process and device for sludge Download PDFInfo
- Publication number
- CN101838051B CN101838051B CN2010101420986A CN201010142098A CN101838051B CN 101838051 B CN101838051 B CN 101838051B CN 2010101420986 A CN2010101420986 A CN 2010101420986A CN 201010142098 A CN201010142098 A CN 201010142098A CN 101838051 B CN101838051 B CN 101838051B
- Authority
- CN
- China
- Prior art keywords
- sludge
- anaerobic
- water inlet
- acclimation
- dosage
- Prior art date
- 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.)
- Expired - Fee Related
Links
Images
Classifications
-
- Y02W10/12—
Landscapes
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
Abstract
The invention provides an anaerobic acclimation-culturing process for sludge, which comprises the following steps of: a) settling aerobic sludge; b) putting the settled aerobic sludge into an anaerobic acclimation-culturing device and settling the settled aerobic sludge continually; and c) introducing water into the anaerobic acclimation-culturing device to perform anaerobic acclimation culturing on the settled sludge. The invention also provides the anaerobic acclimation-culturing device for the sludge, which comprises a sludge settling device and an anaerobic sludge acclimating device connected with the sludge settling device. The anaerobic acclimation-culturing process and the anaerobic acclimation-culturing device for the sludge provided by the invention well solve the problems of an acclimation-culturing process in which aerobic active sludge is taken as an anaerobic technical sludge source and realize successful and rapid startup of an anaerobic process.
Description
Technical field
The present invention relates to sewage biochemical processing field, be specifically related to a kind of sludge anaerobic acclimation-culturing process and device.
Background technology
Anaerobic technique is because its pollutant load height, technology is stable, energy consumption is low, can handle high-concentration sewage and contain the sewage of poisonous objectionable impurities and obtain more and more widely application, particularly in the processing of high-concentration industrial-water, the feasibility and the validity of anaerobic technique are confirmed fully.But, widely apply at home in the engineering practice of high efficiency anaerobic reactor, still run into many problems, mud increases slowly in the sludge concentration height that anaerobic biological treatment is required, reactor, therefore, the required seed sludge amount of anaerobic treatment unit starting process is big, toggle speed is slow, and payment for initiation is used high, anaerobism mud source wretched insufficiency.
On the contrary, the aerobic sludge rate of rise is fast, and competent aerobic excess sludge is arranged, and therefore adopts the mud source of aerobic excess sludge as anaerobic technique, can solve the insufficient problem in anaerobic technique mud source.Yet, anaerobic technique is usually used in the sewage handling high-concentration industrial-water or contain poisonous objectionable impurities, the settling property of aerobic sludge is poor, poor to the handled water quality adaptability of anaerobic technique, adopt aerobic excess sludge inoculation anaerobic technique, can exist system to start difficulty, problems such as mud come-up, loss, serious meeting causes the failure of startup.
Summary of the invention
The problem that the present invention solves is to provide a kind of sludge anaerobic acclimation-culturing process, aerobic sludge can be carried out anaerobic acclimation as the mud source and cultivate, and can successfully realize the quick startup of anaerobic technique.
In order to solve the problems of the technologies described above, technical scheme of the present invention is:
A kind of sludge anaerobic acclimation-culturing process may further comprise the steps:
Step a) is carried out sedimentation with aerobic sludge;
The mud of step b) after with sedimentation drops in the anaerobic sludge domestication device, continues sedimentation then;
Step c) is carried out anaerobic acclimation to settled mud in anaerobic sludge domestication device and is cultivated.
As preferably, the settled time of aerobic sludge is 8h～24h in the described step a).
As preferably, in the described step b) mud after the sedimentation being dropped in the anaerobic sludge domestication device until sludge concentration is 5000mg/L～20000mg/L.
As preferably, to continue the settled time be 20h～26h to mud in the described step b).
As preferably, described step c) is specially:
Fs, intermittently introduce the water inlet that COD concentration is 800mg/L～1200mg/L, water inlet circulates in anaerobic sludge domestication device, flow is 18t/h～25t/h, the water inlet dwell period is 20h～28h, and operation 25d～40d adds the essential trace element of anaerobic sludge simultaneously;
Subordinate phase is introduced water inlet continuously, and COD concentration increases 300mg/L～600mg/L in the water inlet, operation 25d～40d, and flow is increased to 20t/h～30t/h gradually by 5t/h～15t/h.
As preferably, described trace element comprises Ca
2+, Fe
2+, Co
2+, Ni
2+
As preferably, described Ca
2+Dosage be 15mg/L～25mg/L, perhaps Fe
2+Dosage be 3mg/L～8mg/L, perhaps Co
2+Dosage be 0.01mg/L～0.1mg/L, perhaps Ni
2+Dosage be 0.01mg/L～0.1mg/L, more than the dosage of trace element be contained amount in the unit volume water inlet.
As preferably, carrying out the temperature that anaerobic acclimation cultivates in the described step c) is 35 ℃～38 ℃.
As preferably, carrying out the pH value that anaerobic acclimation cultivates in the described step c) is 7.0～8.0.
As preferably, continue to drop into aerobic sludge, the sludge concentration when finishing to described subordinate phase in the anaerobic sludge domestication device is 8000mg/L～30000mg/L.
A kind of sludge anaerobic domestication culture apparatus comprises:
Sludge settling equipment and the anaerobic sludge domestication device that is connected with sludge settling equipment.
As preferably, between described sludge settling equipment and the anaerobic sludge domestication device under meter is set also.
As preferably, in the described anaerobic sludge domestication device thermometer is set.
As preferably, in the described anaerobic sludge domestication device pH meter is set.
The invention provides the technology that a kind of sludge anaerobic domestication is cultivated, well solved the problem that exists with in the domestication culturing process of aerobic activated sludge as anaerobic technique mud source, realize successful, the quick startup of anaerobic technique.
Description of drawings
The sludge anaerobic domestication culture apparatus synoptic diagram that Fig. 1 is provided for a kind of embodiment of the present invention.
Embodiment
In order further to understand the present invention, below in conjunction with embodiment the preferred embodiment of the invention is described, but should be appreciated that these describe just to further specifying the features and advantages of the present invention, rather than to the restriction of claim of the present invention.
The invention provides a kind of sludge anaerobic acclimation-culturing process, may further comprise the steps:
Step a) is carried out sedimentation with aerobic sludge earlier in the sludge settling jar, the settling time is preferably 8h～24h.
After step b) is got rid of supernatant liquor, the bottom higher mud of settled concentration is delivered in the anaerobic sludge domestication jar, reach 5000mg/L～20000mg/L until sludge concentration, in order to make mud in anaerobic environment, obtain buffering, make mud continue sedimentation in anaerobic environment, the settling time is preferably 20h～26h.
Step c) mud begins to tame cultivation after cushioning through sedimentation, introduces water inlet in anaerobic sludge domestication jar, and water inlet can be diluted acquisition by pending waste water, as pending trade effluent.Domestication is cultivated and is comprised several stages:
Fs, use the mode of intermittent water inflow that mud is tamed cultivation, COD in the water inlet (Chemical Oxygen Demand, chemical oxygen demand (COD)) concentration is controlled at 800mg/L～1200mg/L, and water inlet circulates in anaerobic sludge domestication jar, and flow is 18t/h～25t/h, the water inlet dwell period is 20h～28h, operation 25d～40d adds the essential trace element of anaerobic sludge simultaneously in anaerobic sludge domestication jar, trace element preferably includes Ca
2+, Fe
2+, Co
2+, Ni
2+, also comprise Mn certainly
2+, S
4+, Zn
2+, Sn
4+, B
3+Deng trace element, wherein Ca
2+Dosage be 15mg/L～25mg/L, Fe
2+Dosage be 3mg/L～8mg/L, Co
2+Dosage be 0.01mg/L～0.1mg/L, Ni
2+Dosage be 0.01mg/L～0.1mg/L, more than the dosage of trace element be contained amount in the unit volume water inlet;
Subordinate phase, after the fs finishes, use the mode of water inlet continuously that mud is tamed cultivation, and COD concentration increases 300mg/L～600mg/L in will intaking, move 25d～40d altogether, Jin Shui flow is increased to 20t/h～30t/h gradually by 5/h～15t/h gradually during this time, temperature when carrying out the anaerobic acclimation cultivation in addition preferably is controlled at 35 ℃～38 ℃, the pH value preferably is controlled at 7.0～8.0, between the domestication incubation period, detect the concentration of mud in the anaerobic sludge domestication jar, finish the back sludge concentration in this stage and should be able to reach 8000mg/L～30000mg/L, then continue in anaerobic sludge domestication jar, to add aerobic sludge if can not reach, can reach standard until sludge concentration.
After this stage finished, anaerobic acclimation was cultivated and is finished, and just water inlet can be increased to start anaerobic technique more than the 2000mg/L.
The present invention also provides a kind of sludge anaerobic domestication culture apparatus, comprises sludge settling equipment and the anaerobic sludge domestication device that is connected with sludge settling equipment.Please refer to Fig. 1, the sludge anaerobic domestication culture apparatus synoptic diagram that Fig. 1 is provided for a kind of embodiment of the present invention.Sludge settling equipment is a sludge settling jar 1, and what be connected with sludge settling jar 1 is that anaerobic sludge domestication jar 2 is an anaerobic sludge domestication device.Aerobic sludge at first enters and carries out sedimentation in the sludge settling jar 1 by advancing mud pipe 11, mud after concentrating then enters in the anaerobic sludge domestication jars 2 through the mud pump 3 of batching, preferably, between sludge settling jar 1 and the anaerobic sludge domestication jar 2 under meter 4 is set also, as magnetic flow meter, so that monitoring in real time enters the sludge quantity in the anaerobic sludge domestication jar 2.Mud enters anaerobic sludge domestication jar 2 and just enter the domestication cultivation stage again after sedimentation, because domestication needs to monitor online temperature and on-line pH value in cultivating, therefore, preferably in anaerobic sludge domestication jar 2 thermometer 21 and pH meter 22 is set.
Embodiment:
Earlier aerobic sludge is carried out sedimentation, sedimentation 20h in the sludge settling jar.After getting rid of supernatant liquor then, the bottom higher mud of settled concentration is delivered in the anaerobic sludge domestication jar, reaches 20000mg/L, make mud in anaerobic environment, continue sedimentation 24h until sludge concentration.
Mud begins to tame cultivation after cushioning through sedimentation, in anaerobic sludge domestication jar, introduce water inlet, fs, use the mode of intermittent water inflow that mud is tamed cultivation, the COD concentration in the water inlet is controlled at about 1000mg/L, water inlet circulates in anaerobic sludge domestication jar, flow is 20t/h, and the water inlet dwell period is 24h, operation 30d, in anaerobic sludge domestication jar, add the essential trace element of anaerobic sludge simultaneously, wherein Ca
2+Add 20mg/L, Fe
2+Add 5mg/L, Co
2+Add 0.05mg/L, Ni
2+Add 0.05mg/L, Mn
2+, S
4+, Zn
2+, Sn
4+, B
3+Add 1mg/L Deng trace element.Subordinate phase, use the mode of water inlet continuously that mud is tamed cultivation, and COD concentration increases 500mg/L in will intaking, move 35d altogether, Jin Shui flow is increased to 25t/h gradually by 10t/h gradually during this time, temperature is controlled at about 37 ℃, the pH value is controlled at about 7.0, between the domestication incubation period, detect the concentration of mud in the anaerobic sludge domestication jar, finish the back sludge concentration in this stage and reach 15000mg/L, introduce pending industrial sewage then, start anaerobic technique, the COD concentration of industrial sewage is about 3000mg/L.Through the operation of anaerobic treatment, can find that the anaerobic sludge settling property that utilizes technology provided by the invention to inoculate and culture out is good, can not produce problems such as come-up, loss, it is fast to start anaerobic technique speed, when carrying out anaerobic treatment, ideal treatment effect.
More than sludge anaerobic acclimation-culturing process provided by the present invention and device are described in detail.Used specific case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (1)
1. a sludge anaerobic acclimation-culturing process is characterized in that, may further comprise the steps:
Step a) is carried out sedimentation with aerobic sludge, and the settled time is 8h～24h;
It is 5000mg/L～20000mg/L that the mud of step b) after with sedimentation drops in the anaerobic sludge domestication device until sludge concentration, continues sedimentation 20h～26h then;
Step c) is carried out the anaerobic acclimation cultivation to introducing water inlet in the anaerobic sludge domestication device to settled mud, fs, intermittently introduce the water inlet that COD concentration is 800mg/L～1200mg/L, water inlet circulates in anaerobic sludge domestication device, flow is 18t/h～25t/h, and the water inlet dwell period is 20h～28h, operation 25d～40d, add the essential trace element of anaerobic sludge simultaneously, described trace element comprises Ca
2+, Fe
2+, Co
2+, Ni
2+, described Ca
2+Dosage be 15mg/L～25mg/L, Fe
2+Dosage be 3mg/L～8mg/L, Co
2+Dosage be 0.01mg/L～0.1mg/L, Ni
2+Dosage be 0.01mg/L～0.1mg/L, more than the dosage of trace element be contained amount in the unit volume water inlet;
Subordinate phase, introduce water inlet continuously, COD concentration increases 300mg/L～600mg/L in the water inlet, operation 25d～40d, flow is increased to 20t/h～30t/h gradually by 5t/h～15t/h, continue to drop into aerobic sludge, the sludge concentration when finishing to described subordinate phase in the anaerobic sludge domestication device is 8000mg/L～30000mg/L;
Temperature when carrying out the anaerobic acclimation cultivation is 35 ℃～38 ℃, and the pH value is 7.0～8.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101420986A CN101838051B (en) | 2010-04-02 | 2010-04-02 | Anaerobic acclimation-culturing process and device for sludge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101420986A CN101838051B (en) | 2010-04-02 | 2010-04-02 | Anaerobic acclimation-culturing process and device for sludge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101838051A CN101838051A (en) | 2010-09-22 |
| CN101838051B true CN101838051B (en) | 2011-12-07 |
Family
ID=42741762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010101420986A Expired - Fee Related CN101838051B (en) | 2010-04-02 | 2010-04-02 | Anaerobic acclimation-culturing process and device for sludge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101838051B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103787563B (en) * | 2014-01-14 | 2016-03-02 | 江南大学 | A kind of method utilizing aerobic excess sludge to cultivate anaerobic grain sludge |
| CN105217783B (en) * | 2015-11-17 | 2017-05-31 | 陕西惠瑞环保科技工程有限公司 | A kind of method of the culture of anaerobic activated sludge |
| CN106396096A (en) * | 2016-11-04 | 2017-02-15 | 苏州依斯倍环保装备科技有限公司 | Method and device for culturing anaerobic granular sludge |
| CN107601663A (en) * | 2017-10-25 | 2018-01-19 | 南京绿岛环境工程有限公司 | A kind of method of preserved szechuan pickle waste water anaerobic biological culturing sludge |
| CN107902756B (en) * | 2017-11-21 | 2021-07-13 | 齐鲁工业大学 | Method for accelerating granulation of anaerobic sludge of citric acid wastewater |
| CN107902757A (en) * | 2017-11-27 | 2018-04-13 | 齐鲁工业大学 | A kind of method of the secondary anaerobic sludge domestication of citric acid wastewater |
| CN108046424A (en) * | 2017-12-22 | 2018-05-18 | 齐鲁工业大学 | A kind of method of the secondary Anaerobic Treatment of citric acid wastewater |
| CN110305772A (en) * | 2019-08-07 | 2019-10-08 | 徐州国鼎盛和环境科技有限公司 | A kind of anaerobic reactor using aerobic sludge acclimatization anaerobic bacteria |
| CN116218640A (en) * | 2023-02-28 | 2023-06-06 | 乐山师范学院 | Device for domesticating concentrated sludge into Feamox flora |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583600A (en) * | 2004-05-28 | 2005-02-23 | 清华大学 | Method for preparing granular ammonia oxidative mud with anaerobic bacteria from mixed mud |
| CN101468849A (en) * | 2007-12-27 | 2009-07-01 | 北京师范大学 | Method for rapidly cultivating aerobic particle sludge by load control technique |
| CN101555068A (en) * | 2009-04-17 | 2009-10-14 | 北京工业大学 | Culture method of aerobic granular sludge for simultaneous denitrification and dephosphorization of domestic sewage at low and normal temperature |
| CN201660494U (en) * | 2010-04-02 | 2010-12-01 | 中煤能源黑龙江煤化工有限公司 | Anaerobic sludge acclimating and culturing device |
-
2010
- 2010-04-02 CN CN2010101420986A patent/CN101838051B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1583600A (en) * | 2004-05-28 | 2005-02-23 | 清华大学 | Method for preparing granular ammonia oxidative mud with anaerobic bacteria from mixed mud |
| CN101468849A (en) * | 2007-12-27 | 2009-07-01 | 北京师范大学 | Method for rapidly cultivating aerobic particle sludge by load control technique |
| CN101555068A (en) * | 2009-04-17 | 2009-10-14 | 北京工业大学 | Culture method of aerobic granular sludge for simultaneous denitrification and dephosphorization of domestic sewage at low and normal temperature |
| CN201660494U (en) * | 2010-04-02 | 2010-12-01 | 中煤能源黑龙江煤化工有限公司 | Anaerobic sludge acclimating and culturing device |
Non-Patent Citations (1)
| Title |
|---|
| 周琪等.用生活污水在常温下培养厌氧颗粒污泥的研究.《环境科学研究》.1993,第6卷(第3期),第8-14页. * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101838051A (en) | 2010-09-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101838051B (en) | Anaerobic acclimation-culturing process and device for sludge | |
| Hu et al. | Anaerobic dynamic membrane bioreactor (AnDMBR) for wastewater treatment: A review | |
| Zhen et al. | Anaerobic membrane bioreactor towards biowaste biorefinery and chemical energy harvest: Recent progress, membrane fouling and future perspectives | |
| Wu et al. | Forward osmosis promoted in-situ formation of struvite with simultaneous water recovery from digested swine wastewater | |
| Lateef et al. | Direct membrane filtration of municipal wastewater with chemically enhanced backwash for recovery of organic matter | |
| Mei et al. | Recover energy from domestic wastewater using anaerobic membrane bioreactor: Operating parameters optimization and energy balance analysis | |
| Bai et al. | Bioremediation of copper-containing wastewater by sulfate reducing bacteria coupled with iron | |
| CN103508637B (en) | Traditional Chinese medicine wastewater treatment system and method for treating traditional Chinese medicine wastewater | |
| Ye et al. | Bio-membrane based integrated systems for nitrogen recovery in wastewater treatment: Current applications and future perspectives | |
| Zhou et al. | The valorization of biogas slurry with a pilot dual stage reverse osmosis membrane process | |
| Song et al. | Modeling methane production in anaerobic forward osmosis bioreactor using a modified anaerobic digestion model No. 1 | |
| CN101186366A (en) | Method for producing biological flocculant by using sewage treatment plant residual active sludge | |
| Nie et al. | Impact of food to microorganism ratio and alcohol ethoxylate dosage on methane production in treatment of low-strength wastewater by a submerged anaerobic membrane bioreactor | |
| CN104909526A (en) | Device for removing heavy metals in sludge by using electro-dynamic method and synchronously and deeply dehydrating sludge | |
| Chan et al. | Nutrient removal (nitrogen and phosphorous) in secondary effluent from a wastewater treatment plant by microalgae | |
| Noguchi et al. | Application of real treated wastewater to starch production by microalgae: Potential effect of nutrients and microbial contamination | |
| CN102295353A (en) | Method for realizing synchronous denitrification and dephosphorization of sewage | |
| Zhang et al. | A mainstream anammox fixed-film membrane bioreactor with novel sandwich-structured carriers for fast start-up, effective sludge retention and membrane fouling mitigation | |
| Li et al. | Removal of antibiotics and antibiotic resistance genes in the synthetic oxytetracycline wastewater by UASB-A/O (MBR) process | |
| CN201660494U (en) | Anaerobic sludge acclimating and culturing device | |
| CN204162579U (en) | A kind of high-salt wastewater recycling treatment system | |
| CN102424474A (en) | New method for acclimating active sludge resisting high chloride ion wastewater | |
| CN203999250U (en) | A kind of biological treatment device of sludge | |
| CN1778911A (en) | Treatment of coking crude waste water | |
| CN107384977B (en) | Method for enhancing lactic acid production efficiency of sludge fermentation organic waste by using positive voltage |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20111207 Termination date: 20180402 |