CN105948255B - A kind of processing method and system handling high-concentration sulfuric acid polymyxin fermentation waste water - Google Patents
A kind of processing method and system handling high-concentration sulfuric acid polymyxin fermentation waste water Download PDFInfo
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- CN105948255B CN105948255B CN201610480884.4A CN201610480884A CN105948255B CN 105948255 B CN105948255 B CN 105948255B CN 201610480884 A CN201610480884 A CN 201610480884A CN 105948255 B CN105948255 B CN 105948255B
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- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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Abstract
The present invention relates to field of waste water treatment more particularly to a kind of processing methods and system for handling high-concentration sulfuric acid polymyxin fermentation waste water.A kind of processing method handling high-concentration sulfuric acid polymyxin fermentation waste water, this method include the following steps: that original cripple and SRB enriched medium mixed culture 1) are obtained SRB sludge；2) sulfuric acid polymyxin fermentation waste water is mixed with SRB sludge, carries out closed culture in common investment pretreatment tank, completes the pretreatment of sulfuric acid polymyxin fermentation waste water；3) pretreated sulfuric acid polymyxin waste water is successively pumped into 2 ~ 4 anaerobic jars by peristaltic pump, controlling total residence time of the bacteria residue in anaerobic jar is 2 ~ 4d；Anaerobic jar water outlet sequentially enters amphimicrobian pond, aerobic tank and sedimentation basin, is then discharged from the outlet pipe on sedimentation basin top.The problem of this kind of waste water of having determined can form strong inhibition effect to wastewater treatment bioreactor, while can solve the low problem of residual antibiotic degradation efficiency.
Description
Technical field
The present invention relates to field of waste water treatment more particularly to a kind of places for handling high-concentration sulfuric acid polymyxin fermentation waste water
Manage method and system.
Background technique
Sulfuric acid polymyxin fermentation waste water has two kinds of characteristics of high-sulfate and high antibiotic residue.Sulfate contains in waste water
It measures excessively high, will lead to and generate a large amount of H during Anaerobic wastewater treatment2S, H2S has strongly the methanogen in anaerobic processes
Inhibiting effect can reduce the removal efficiency of anaerobic reactor；Residual fraction Polymyxin E in waste water, the antibiotic are anti-
Gram negative bacilli antibiotic has bactericidal effect, easily generates inhibiting effect to methanogen in wastewater treatment process, while residual
The antibiotic stayed is emitted into the problems such as environment easily causes bacterial drug resistance.When two factors of high-sulfate and high antibiotic residue are same
When have, will cause waste water treatment efficiency and substantially reduce, wastewater effluent COD is difficult to up to standard with ammonia nitrogen.
Current method is only the processing for containing sulfate radicals waste water, but remaining for high sulfate radical, high antibiotic
Waste water treatment process has not been reported.
Summary of the invention
In order to solve the above technical problems, it is an object of the present invention to provide a kind of more slime moulds of processing high-concentration sulfuric acid
The processing method of plain fermentation waste water, wastewater treatment bioreactor formation strong inhibition effect can be asked by solving this kind of waste water
Topic, while can solve the low problem of residual antibiotic degradation efficiency.It is high that a second object of the present invention is to provide a kind of processing
The processing system of concentration sulfuric acid polymyxin fermentation waste water.
In order to realize first above-mentioned purpose, present invention employs technical solutions below:
A kind of processing method handling high-concentration sulfuric acid polymyxin fermentation waste water, this method include the following steps:
1) original cripple and SRB enriched medium mixed culture are obtained into SRB sludge；
2) by sulfuric acid polymyxin fermentation waste water and SRB sludge according to 8:1 ~ 1:2 volume mixture, common investment pretreatment tank
Middle to carry out closed culture, pH=7.0,30 ~ 40 DEG C of temperature, stirring rate is 50 ~ 150r/min, and incubation time is 0.5 ~ 2d, is completed
The pretreatment of sulfuric acid polymyxin fermentation waste water；
3) pretreated sulfuric acid polymyxin waste water is successively pumped into 2 ~ 4 anaerobic jars by peristaltic pump, controls bacteria residue
Total residence time in anaerobic jar is 2 ~ 4d, maintains pH=7.5 in anaerobic jar, 30 ~ 40 DEG C of temperature；Anaerobic jar water outlet successively into
Enter amphimicrobian pond, aerobic tank and sedimentation basin, is then discharged from the outlet pipe on sedimentation basin top.
Preferably, the SRB enriched medium is K2HPO4·3H2O 0.5g/L, CaCl2·2H2O 0.1g/L,
MgSO4·7 H2O 2g/L, FeSO4·7 H2O 0.5 g/L, NH4Cl 1g/L, NaCl 1g/L, 5 g/L of sodium lactate.
Preferably, the original cripple and SRB enriched medium mixed volume ratio are 1:2 ~ 2:1, most preferably 1:
1。
Preferably, the cultural method of the step 1) is as follows: adjusting pH=7, closed culture in dark, cultivation temperature
It is 30 ~ 40 DEG C, daily discards supernatant, and supplement fresh isometric SRB enriched medium, so circulation co-cultures 4 ~ 8d.
Preferably, the sulfuric acid polymyxin fermentation waste water and SRB sludge are according to 4:1 volume mixture.
Preferably, the anaerobic jar is 3, respectively No. 1 tank, No. 2 tanks and No. 3 tanks, and be arranged No. 1 pans and
Peristaltic pump that No. 2 pans, No. 1 pans and No. 2 pans are connected while starting, the tank connected peristaltic pump in No. 1 centre will
For feed pump to No. 1 pot bottom, flow is 4 times of flow of inlet water, No. 2 tank connected peristaltic pumps in centre by feed pump to No. 3 pot bottoms,
Flow is 3 times of flow of inlet water.
Preferably, the anaerobic jar water outlet enters amphimicrobian pond, residence time 6h；Aerobic tank is entered back into, is stopped
Staying the time is 20h；Sedimentation basin return flow is 2 times of flow of inlet water；Extra water is discharged from the outlet pipe on sedimentation basin top.
In order to realize second above-mentioned purpose, present invention employs technical solutions below:
A kind of processing system handling high-concentration sulfuric acid polymyxin fermentation waste water, the system are detested including pretreatment tank, No. 1
Oxygen tank, No. 2 anaerobic jars, No. 3 anaerobic jars, No. 1 pans, No. 2 pans, amphimicrobian pond, aerobic aeration pond and aerobic aeration
Pond；It pre-processes tank and connects water inlet pipe, agitating device is provided in pretreatment tank, pretreatment tank outlet pipe is connected by peristaltic pump
To No. 1 anaerobic jar；No. 1 described pans one end is connected with No. 1 anaerobic jar, and the other end is connected with No. 2 anaerobic jars, while having one
Pipeline is connect by peristaltic pump with No. 1 pot bottom；No. 2 pans one end are connected with No. 2 anaerobic jars, the other end and No. 3 anaerobism
Tank is connected, while having a pipeline to connect by peristaltic pump with No. 2 pot bottoms；No. 3 anaerobic jars are connected with amphimicrobian pond, facultative to detest
Oxygen pond is provided with agitating device；Amphimicrobian pond is connected with multiple aerobic aeration ponds, and aerobic aeration bottom of pond portion installs aeration head, good
Filler is installed in oxygen aeration tank；Sedimentation basin is connected with aerobic aeration pond, and outlet pipe is on sedimentation basin top.
Preferably, 3 anaerobism pot bottoms are equipped with liquid distributor, 3 anaerobism tank walls have water-bath collet
It is kept the temperature.
Preferably, being gas collection mouth at the top of 3 anaerobic jars, controlled by three-way valve；Gasometer and 3
Three-way valve at the top of a anaerobic jar is connected；Gasometer is made of 3 square grooves, is placed in a big square groove jointly.
The present invention be directed to the deficiencies in the prior art, devise a set of place to high sulfate radical, the remaining waste water of high antibiotic
Reason system and method are handled, and can effectively be solved sulfate radical to the inhibiting effect of methanogen, be improved COD removal efficiency,
Degradation of ammonia nitrogen makes qualified discharge after high concentration wastewater treatment.Remaining antibiotic effectively in degrading waste water simultaneously, it is anti-to reduce residual
Raw element is emitted into the bacterial drug resistance problem of environment initiation.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention.Appended drawing reference is schematically as follows:
1- water inlet pipe, 2- pre-process tank, 3-1 anaerobic jar, 4-2 anaerobic jar, 5-3 anaerobic jar, 6- peristaltic pump, 7-1
Number pans, 8-2 pans, 9- water distributor, 10- effluent cycle pipeline, 11- amphimicrobian pond, 12- aeration head, 13- are filled out
Material, 14- collecting methane meter, 15- sludge reflux pipeline, 16- aerobic aeration pond, 17- aerobic aeration pond, 18- outlet pipe.
Specific embodiment
Processing system of the present invention:
A kind of system handling Coly-Mycin S fermentation waste water, including 1 pretreatment tank, 3 anaerobic jars, 1 facultative
Anaerobic pond, 4 aerobic aeration ponds, 1 sedimentation basin.It pre-processes and is equipped with agitating device in tank, it is connected with No. 1 anaerobic jar, intermediate
It is connected and is transmitted by peristaltic pump.No. 1 pans one end is connected with No. 1 anaerobic jar, and the other end is connected with No. 2 anaerobic jars, while having one
Pipeline is connect by peristaltic pump with No. 1 pot bottom；No. 2 pans one end are connected with No. 2 anaerobic jars, the other end and No. 3 anaerobism
Tank is connected, while having a pipeline to connect by peristaltic pump with No. 2 pot bottoms.3 anaerobism pot bottoms are equipped with liquid distributor.3
A anaerobism tank wall has water-bath collet to be kept the temperature.It is gas collection mouth at the top of 3 anaerobic jars, is controlled by three-way valve.Gas
Meter is connected with the three-way valve at the top of 3 anaerobic jars.Gasometer is made of 3 square grooves, is placed on jointly one big
Square groove in.No. 3 anaerobic jars are connected with amphimicrobian pond, and amphimicrobian pond is provided with agitating device.Amphimicrobian pond is good with 4
The series connection of oxygen aeration tank, aerobic aeration bottom of pond portion install aeration head, install filler in aerobic aeration pond.Sedimentation basin and aerobic aeration pond
It is connected, outlet pipe is on sedimentation basin top.There is water-bath collet on the outside of amphimicrobian pond, aerobic aeration pond and sedimentation basin.
Below in conjunction with specific embodiment, the invention will be further described.It should be understood that following embodiment is merely to illustrate this
Invention is not for limiting the scope of the invention.
Embodiment 1
By original cripple and SRB enriched medium, (SRB enriched medium is K2HPO4·3H2O 0.5g/L, CaCl2·
2H2O 0.1g/L, MgSO4·7 H2O 2g/L, FeSO4·7 H2O 0.5 g/L, NH4Cl 1g/L, NaCl 1g/L, sodium lactate
5 g/L) 1:1 mixing, pH=7, closed culture in dark are adjusted, cultivation temperature is 35 DEG C, is daily discarded supernatant, and supplement new
Fresh isometric SRB enriched medium, so circulation co-culture 6d.
By sulfuric acid polymyxin fermentation waste water and SRB sludge according to 4:1 volume mixture, in common investment pretreatment tank into
The closed culture of row controls pH=7,35 DEG C of temperature, stirring rate 100r/min, incubation time 1d, completes sulfuric acid polymyxin
The pretreatment of fermentation waste water.
Pretreated sulfuric acid polymyxin waste water is successively pumped into No. 1 tank, No. 2 tanks, No. 3 tanks by peristaltic pump, is controlled
Total residence time of the bacteria residue in 3 anaerobic jars is 3d, while the peristaltic pump that No. 1 pans and No. 2 pans are connected is simultaneously
Starting, for No. 1 tank connected peristaltic pump in centre by feed pump to No. 1 pot bottom, flow is 4 times of flow of inlet water.No. 2 pans connections
Peristaltic pump by feed pump to No. 2 pot bottoms, flow is 3 times of flow of inlet water.Maintain pH=7.5 in 3 anaerobic jars, 35 DEG C of temperature.
The gas that 3 anaerobic jars generate is collected and is measured by gasometer.No. 3 anaerobic jar water outlets enter amphimicrobian pond,
Residence time is 6h.Enter back into aerobic tank, residence time 20h.Sedimentation basin return flow is 2 times of flow of inlet water.Extra water
It is discharged from the outlet pipe on sedimentation basin top.
After the aerobic coupled multistage return-flow system processing of multistage anaerobic-amphimicrobian-, water inlet Coly-Mycin S fermentation
The COD of waste water is 178000mg/L, and water outlet COD is 420mg/L, and COD removal rate is 98%.Polymyxin E sulfate content in water inlet
For 49mg/L, polymyxin E sulfate content is 6mg/L in water outlet, and Degradation of Antibiotics rate is 88%.
Claims (8)
1. a kind of processing method for handling high-concentration sulfuric acid polymyxin fermentation waste water, it is characterised in that this method includes below
Step:
1) original cripple and SRB enriched medium mixed culture are obtained into SRB sludge；
2) by sulfuric acid polymyxin fermentation waste water and SRB sludge according to 8:1 ~ 1:2 volume mixture, common investment is pre-processed in tank
Closed culture is carried out, pH=7.0,30 ~ 40 DEG C of temperature, stirring rate is 50 ~ 150r/min, and incubation time is 0.5 ~ 2d, completes sulphur
The pretreatment of sour polymyxin fermentation waste water；
3) pretreated sulfuric acid polymyxin waste water is successively pumped into 2 ~ 4 anaerobic jars by peristaltic pump, control bacteria residue exists
Total residence time in anaerobic jar is 2 ~ 4d, maintains pH=7.5 in anaerobic jar, 30 ~ 40 DEG C of temperature；Anaerobic jar water outlet sequentially enters
Then amphimicrobian pond, aerobic tank and sedimentation basin are discharged from the outlet pipe on sedimentation basin top.
2. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: SRB enriched medium is K2HPO43H2O 0.5g/L, CaCl22H2O 0.1g/L, MgSO47 H2O
2g/L, FeSO47 H2O 0.5 g/L, NH4Cl 1g/L, NaCl 1g/L, 5 g/L of sodium lactate.
3. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: original cripple is 1:2 ~ 2:1 with SRB enriched medium mixed volume ratio.
4. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: the cultural method of step 1) is as follows: adjusting pH=7, closed culture in dark, cultivation temperature is 30 ~ 40 DEG C, daily will be upper
It discards clearly, and supplements fresh isometric SRB enriched medium, so circulation co-cultures 4 ~ 8d.
5. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: sulfuric acid polymyxin fermentation waste water and SRB sludge are according to 4:1 volume mixture.
6. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: anaerobic jar is 3, respectively No. 1 tank, No. 2 tanks and No. 3 tanks, and No. 1 pans and No. 2 pans are arranged, 1
Peristaltic pump that number pans and No. 2 pans are connected while starting, No. 1 tank connected peristaltic pump in centre is by feed pump to 1
Number pot bottom, flow are 4 times of flow of inlet water, and by feed pump to No. 3 pot bottoms, flow is No. 2 tank connected peristaltic pumps in centre
3 times of flow of inlet water.
7. the processing method of a kind of processing high-concentration sulfuric acid polymyxin fermentation waste water according to claim 1, feature
Be: anaerobic jar water outlet enters amphimicrobian pond, residence time 6h；Enter back into aerobic tank, residence time 20h；Sedimentation basin
Return flow is 2 times of flow of inlet water；Extra water is discharged from the outlet pipe on sedimentation basin top.
8. a kind of processing method for handling high-concentration sulfuric acid polymyxin fermentation waste water according to claim 3, feature
Be: original cripple is 1:1 with SRB enriched medium mixed volume ratio.
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| CN109231445A (en) * | 2018-10-10 | 2019-01-18 | 常州方圆制药有限公司 | A kind of preprocess method improving Etimicin Sulfate synthetic wastewater Anaerobic Treatment efficiency |
| CN110586611B (en) * | 2019-08-14 | 2021-10-29 | 上海交通大学 | Method for preparing soil conditioner by using acarbose fermentation waste residues |
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| CN101838083A (en) * | 2010-05-17 | 2010-09-22 | 浙江大学 | Method for treating organic chemical wastewater having high COD and high concentration of sulfate ions |
| CN102583933A (en) * | 2012-03-19 | 2012-07-18 | 盐城同济环科固体废物处理处置有限公司 | Multi-cycle multistage anaerobic digestion system and application thereof |
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Effective date of registration: 20220804 Address after: Group 10, Harnao Village, Daming Town, Ningcheng County, Chifeng City, Inner Mongolia Autonomous Region, 024222 Patentee after: Inner Mongolia Jiubang Agricultural Technology Co., Ltd. Address before: 313200 thousand person plan industrial park, No. 926, Changhong East Street, Wukang Town, Deqing County, Huzhou City, Zhejiang Province Patentee before: ZHEJIANG MICRO TECHNOLOGY ENVIRONMENT REPAIR ENGINEERING CO.,LTD. |