CN113135640A - Method for treating pyridine-containing wastewater by using microorganisms - Google Patents
Method for treating pyridine-containing wastewater by using microorganisms Download PDFInfo
- Publication number
- CN113135640A CN113135640A CN202110479317.8A CN202110479317A CN113135640A CN 113135640 A CN113135640 A CN 113135640A CN 202110479317 A CN202110479317 A CN 202110479317A CN 113135640 A CN113135640 A CN 113135640A
- Authority
- CN
- China
- Prior art keywords
- wastewater
- pyridine
- aeration
- microorganisms
- treatment
- 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.)
- Pending
Links
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 239000002351 wastewater Substances 0.000 title claims abstract description 89
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 title claims abstract description 49
- 244000005700 microbiome Species 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005273 aeration Methods 0.000 claims abstract description 43
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical class O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 claims abstract description 26
- 238000001728 nano-filtration Methods 0.000 claims abstract description 25
- 238000010170 biological method Methods 0.000 claims abstract description 10
- 238000001179 sorption measurement Methods 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000000593 degrading effect Effects 0.000 claims abstract description 3
- 238000007599 discharging Methods 0.000 claims abstract description 3
- 238000006243 chemical reaction Methods 0.000 claims description 14
- 238000003756 stirring Methods 0.000 claims description 14
- 229910021536 Zeolite Inorganic materials 0.000 claims description 12
- 239000010457 zeolite Substances 0.000 claims description 12
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 claims description 11
- 230000000694 effects Effects 0.000 claims description 6
- 241000894006 Bacteria Species 0.000 claims description 5
- 150000003839 salts Chemical class 0.000 claims description 3
- 241001524178 Paenarthrobacter ureafaciens Species 0.000 claims description 2
- 239000011230 binding agent Substances 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- 238000012216 screening Methods 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 6
- 238000001514 detection method Methods 0.000 description 12
- 230000014759 maintenance of location Effects 0.000 description 12
- 239000012528 membrane Substances 0.000 description 7
- 238000004065 wastewater treatment Methods 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 3
- 229910052760 oxygen Inorganic materials 0.000 description 3
- 239000001301 oxygen Substances 0.000 description 3
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000108664 Nitrobacteria Species 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 150000002391 heterocyclic compounds Chemical class 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000003317 industrial substance Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 231100000053 low toxicity Toxicity 0.000 description 1
- 210000005036 nerve Anatomy 0.000 description 1
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 238000007146 photocatalysis Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 210000002345 respiratory system Anatomy 0.000 description 1
- 238000011268 retreatment Methods 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 230000004936 stimulating effect Effects 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000009279 wet oxidation reaction Methods 0.000 description 1
Classifications
-
- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/44—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis
- C02F1/442—Treatment of water, waste water, or sewage by dialysis, osmosis or reverse osmosis by nanofiltration
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/16—Nitrogen compounds, e.g. ammonia
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
-
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Purification Treatments By Anaerobic Or Anaerobic And Aerobic Bacteria Or Animals (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a method for treating pyridine-containing wastewater by using microorganisms, which comprises the following steps: step 1: preparing modified zeolite with specific adsorption; step 2: inoculating microorganisms capable of degrading pyridine, wherein the microorganisms grow by taking modified zeolite as a carrier, introducing pyridine wastewater, aerating, and after the pyridine wastewater is subjected to aeration biological treatment, discharging water into a next-stage treatment unit; and step 3: the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated effluent can directly enter a two-stage biochemical treatment system, and the wastewater can reach the standard and be discharged after anaerobic and aerobic alternate treatment. The method can effectively remove the refractory substances such as pyridine and the like in the wastewater, so that the wastewater reaches the discharge standard.
Description
Technical Field
The invention relates to the technical field of wastewater treatment, in particular to a method for treating pyridine-containing wastewater by using microorganisms.
Background
Pyridine is also called nitrogen heterocycle, has a structure similar to a benzene ring, is a six-membered heterocyclic compound containing a nitrogen atom, is generally used as a raw material of industrial chemicals, is transparent or light yellow liquid at normal temperature, and can be mutually soluble with various solvents such as water, aldehyde, ketone and the like. Pyridine belongs to low-toxicity substances, has pungent smell, can anaesthetize central nerves and has a stimulating effect on eyes and upper respiratory tracts, and pyridine and derivatives thereof can exist in organisms for a long time and have three-effect effects on human bodies.
Pyridine and derivatives thereof are widely applied to industrial production, and are used as production raw materials in the industries of medicine, pesticide production, printing and dyeing agents and the like, so that high-concentration refractory pollutants such as pyridine, benzene series and the like exist in coking wastewater, pharmaceutical wastewater, printing and dyeing wastewater and the like, and the environment and human health are seriously harmed. The pyridine wastewater has large water quality fluctuation, high COD and ammonia nitrogen contents, large toxicity and high treatment difficulty. At present, the industrially used treatment methods comprise an adsorption method, ion exchange, membrane separation, reverse osmosis, photocatalysis, wet oxidation, aerobic and anaerobic biological methods and the like, but the methods all have certain defects, and in order to ensure that the pyridine wastewater can reach the discharge standard, an efficient and environment-friendly technology is required to treat the pyridine wastewater.
Patent No. CN105347573B discloses a pyridine wastewater treatment method, which comprises the steps of carrying out reaction at a temperature of 200-. In patent No. CN109516646A, a method for treating pyridine-containing wastewater is provided, in which pyridine-containing wastewater is treated by rectification, volatile compounds such as ammonia and benzene are effectively removed by controlling technical parameters, and wastewater with high pyridine content is recovered, and wastewater with low pyridine content can be directly incinerated from the top of the tower, nanofiltration concentrate and RO concentrate, while RO separation solution is subjected to biochemical treatment. The method is to intensively burn the refractory substances in the waste liquid after fully concentrating, the operation cost is higher, and the waste water with higher salt content in the treatment has larger damage to equipment.
Disclosure of Invention
The invention aims to provide a method for treating pyridine-containing wastewater by using microorganisms, which reduces the treatment cost, meets the biochemical treatment requirement and can solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme:
a method for treating pyridine-containing wastewater by using microorganisms comprises the following steps:
step 1: preparing modified zeolite with specific adsorption;
step 2: inoculating microorganisms capable of degrading pyridine, wherein the microorganisms grow by taking modified zeolite as a carrier, introducing pyridine wastewater, aerating, and after the pyridine wastewater is subjected to aeration biological treatment, discharging water into a next-stage treatment unit;
and step 3: the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated effluent can directly enter a two-stage biochemical treatment system, and the wastewater can reach the standard and be discharged after anaerobic and aerobic alternate treatment.
Further, the preparation method of the modified zeolite comprises the following steps: by adding various pore-forming agents and binders, changing the hardness and porosity of the zeolite, introducing high ammonia nitrogen wastewater for screening, comparing effluent results, and selecting the modified zeolite with the best adsorption effect as an experimental material.
Further, adding the modified zeolite into a reaction tank, introducing diluted pyridine wastewater into the tank body, adding a strain, performing acclimation, and gradually increasing the concentration of the wastewater until continuous water inflow is started after the microorganisms naturally grow.
Further, the strain is Arthrobacter ureafaciens CZ 3.
Furthermore, the reaction system in the reaction tank only needs to add potassium dihydrogen phosphate without changing the ratio of C to N, so that the ratio of C to P is 500 to 1.
Further, an aeration head is installed at the bottom of the reaction tank body, an intermittent aeration method is adopted, aeration is carried out for 12 hours, standing reaction is carried out for 12 hours, the aeration head serves as a stirring device, and zeolite is fully mixed with wastewater under the aeration condition.
Further, the operating pressure of the nanofiltration concentration device is controlled to be about 1.5Mpa, part of the concentrated solution flows back to enter the aeration reaction tank again, and when COD and salt of the concentrated solution reach the upper limit of normal growth of bacteria, the concentrated solution is collected and enters the incinerator for treatment.
Furthermore, the two-stage biochemical treatment system is characterized in that an ABR tank and an SBR tank are connected in series, anaerobic and aerobic reactors are alternately operated to enhance the treatment effect, and the integral denitrification effect of the wastewater is improved under the combined action of nitrobacteria and denitrifying bacteria.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention utilizes the adsorption performance of the modified zeolite to pretreat the pyridine wastewater, the zeolite can be reused, and the treatment cost is reduced.
2. The invention adopts the nanofiltration concentration device to concentrate the wastewater, reduces the incineration treatment capacity, and greatly reduces the incineration cost by the reflux retreatment of the concentrated solution.
3. The advanced wastewater treatment mode of the invention adopts a secondary biochemical device, and anaerobic and aerobic alternate operation strengthens the wastewater treatment effect.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Putting the prepared zeolite with the strongest ammonia nitrogen adsorption property into a reactor, adding pyridine-degrading microorganisms, introducing prepared pyridine wastewater diluted by 5 times, allowing the microorganisms to grow by taking the modified zeolite as a carrier, starting intermittent aeration, namely aerating for 12 hours, standing for 12 hours, and gradually increasing the concentration of the pyridine wastewater by taking 7 days as a growth period until the pyridine raw water is recovered, wherein bacteria can stably grow;
and simultaneously preparing 20L of pyridine wastewater diluted by 20 times, adding a phosphorus source, entering a biochemical treatment device, starting strain domestication, and starting the next reaction after the bacteria in the reactor grow stably.
Example 1:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein the wastewater indexes of COD 26000ppm and ammonia nitrogen 2670ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12 hours, and simultaneously closing stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
Example 2:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein the wastewater indexes of COD (chemical oxygen demand) 22000ppm and ammonia nitrogen 2240ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12 hours, and simultaneously closing stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
Example 3:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein wastewater indexes of COD (chemical oxygen demand) 28000ppm and ammonia nitrogen 3000ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12 hours, and simultaneously stopping stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
Example 4:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein the wastewater indexes of COD 24000ppm and ammonia nitrogen 2850ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12h, and simultaneously stopping stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
Example 5:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein the wastewater indexes of COD 20000ppm and ammonia nitrogen 2000ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12 hours, and simultaneously stopping stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
Example 6:
(1) and (3) introducing 20L of pyridine wastewater into an aeration reactor, wherein the wastewater indexes of COD (chemical oxygen demand) 28000ppm and ammonia nitrogen 2000ppm, reacting, starting a stirring device, fully contacting the wastewater with zeolite and microorganisms, stopping aeration every 12 hours, and simultaneously stopping stirring. The retention time of the wastewater is 3 days, and the effluent detection index is taken after 3 days;
(2) the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated dilute solution 1/3 flows back and enters a biological aeration system again, and nanofiltration effluent is sampled and detected;
(3) and (3) preparing the wastewater treated by the nanofiltration membrane again, adjusting the ratio of C to N to P, entering a two-stage biochemical treatment system, performing anaerobic and aerobic alternate treatment, and performing hydraulic retention for 7 days to obtain effluent detection indexes.
The following table shows the results of the tests of the above examples.
As can be seen from the data in the table, after the pyridine wastewater is subjected to multi-stage treatment, the COD can be finally reduced to be below 50ppm, the ammonia nitrogen is less than 10ppm, the device runs for 3 months, the strain grows normally, and the effluent is stable.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be able to cover the technical solutions and the inventive concepts of the present invention within the technical scope of the present invention.
Claims (8)
1. A method for treating pyridine-containing wastewater by using microorganisms is characterized by comprising the following steps:
step 1: preparing modified zeolite with specific adsorption;
step 2: inoculating microorganisms capable of degrading pyridine, wherein the microorganisms grow by taking modified zeolite as a carrier, introducing pyridine wastewater, aerating, and after the pyridine wastewater is subjected to aeration biological treatment, discharging water into a next-stage treatment unit;
and step 3: the wastewater treated by the aeration biological method enters a nanofiltration concentration device, the treated effluent can directly enter a two-stage biochemical treatment system, and the wastewater can reach the standard and be discharged after anaerobic and aerobic alternate treatment.
2. The method for treating pyridine-containing wastewater using microorganisms according to claim 1, wherein the modified zeolite is prepared by the following method: by adding various pore-forming agents and binders, changing the hardness and porosity of the zeolite, introducing high ammonia nitrogen wastewater for screening, comparing effluent results, and selecting the modified zeolite with the best adsorption effect as an experimental material.
3. The method according to claim 1, wherein the modified zeolite is added to a reaction tank, diluted pyridine wastewater is introduced into the tank body, and after the strain is added, the wastewater is acclimated to gradually increase the concentration of wastewater until the microorganism starts to continuously feed water after naturally growing.
4. The method for treating pyridine-containing wastewater using microorganisms according to claim 3, wherein the strain is Arthrobacter ureafaciens CZ 3.
5. The method for treating pyridine-containing wastewater by using microorganisms according to claim 3, wherein the reaction system in the reaction tank does not need to change the C/N ratio, and only needs to add potassium dihydrogen phosphate to make C/P500: 1.
6. The method for treating pyridine-containing wastewater by using microorganisms according to claim 3, wherein an aeration head is installed at the bottom of the tank body of the reaction tank, an intermittent aeration method is adopted, aeration is carried out for 12h, standing reaction is carried out for 12h, the aeration head serves as a stirring device, and zeolite is fully mixed with wastewater under aeration conditions.
7. The method for treating pyridine-containing wastewater using microorganisms according to claim 1, wherein the operating pressure of the nanofiltration concentration device is controlled to about 1.5Mpa, part of the concentrated solution is refluxed and re-enters the aeration reaction tank, and when the COD and salt content of the concentrated solution reach the upper limit of the normal growth of bacteria, the concentrated solution is collected and enters the incinerator for treatment.
8. The method of claim 1, wherein the two-stage biochemical treatment system comprises an ABR tank and an SBR tank connected in series, and anaerobic and aerobic reactors are alternately operated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479317.8A CN113135640A (en) | 2021-04-30 | 2021-04-30 | Method for treating pyridine-containing wastewater by using microorganisms |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110479317.8A CN113135640A (en) | 2021-04-30 | 2021-04-30 | Method for treating pyridine-containing wastewater by using microorganisms |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113135640A true CN113135640A (en) | 2021-07-20 |
Family
ID=76816765
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110479317.8A Pending CN113135640A (en) | 2021-04-30 | 2021-04-30 | Method for treating pyridine-containing wastewater by using microorganisms |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113135640A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597567A (en) * | 2004-08-20 | 2005-03-23 | 哈尔滨工业大学 | Biological treatment method of coal gas effluent and coking effluent |
| CN102626606A (en) * | 2011-12-27 | 2012-08-08 | 北京大学 | Modified zeolite filling material BMZ-1 and its preparation method and application |
| US20130334135A1 (en) * | 2011-03-07 | 2013-12-19 | Sijing Wang | Method of removing recalcitrant organic pollutants |
| CN105713862A (en) * | 2016-03-28 | 2016-06-29 | 武汉科技大学 | Bacterial strain capable of degrading pyridine and ammonia nitrogen, preparation method and application of bacterial strain |
| CN111732276A (en) * | 2020-06-28 | 2020-10-02 | 浙江国邦药业有限公司 | Antibiotic wastewater treatment process |
-
2021
- 2021-04-30 CN CN202110479317.8A patent/CN113135640A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1597567A (en) * | 2004-08-20 | 2005-03-23 | 哈尔滨工业大学 | Biological treatment method of coal gas effluent and coking effluent |
| US20130334135A1 (en) * | 2011-03-07 | 2013-12-19 | Sijing Wang | Method of removing recalcitrant organic pollutants |
| CN102626606A (en) * | 2011-12-27 | 2012-08-08 | 北京大学 | Modified zeolite filling material BMZ-1 and its preparation method and application |
| CN105713862A (en) * | 2016-03-28 | 2016-06-29 | 武汉科技大学 | Bacterial strain capable of degrading pyridine and ammonia nitrogen, preparation method and application of bacterial strain |
| CN111732276A (en) * | 2020-06-28 | 2020-10-02 | 浙江国邦药业有限公司 | Antibiotic wastewater treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Rahimi et al. | Technologies for biological removal and recovery of nitrogen from wastewater | |
| CN104961306B (en) | A kind of processing method of vaccary breeding wastewater | |
| CN109574420B (en) | Reverse osmosis concentrated water treatment method and device | |
| CN102295384B (en) | 1,4-butanediol chemical waste water treatment technology | |
| CN106673192A (en) | Technology for removing total nitrogen in garbage leachate by anammox and special device thereof | |
| CN101654314A (en) | Dye waste water treatment method | |
| WO2014146439A1 (en) | Biochemical method for treating synthetic leather wastewater comprising dimethylformamide | |
| CN107867755A (en) | A kind of AMBR MABR A/O MBR methods and its equipment for handling high-enriched organics and ammonia nitrogen waste water | |
| CN101659500A (en) | Dye waste water treatment system | |
| Can-Dogan et al. | Sulfide removal from industrial wastewaters by lithotrophic denitrification using nitrate as an electron acceptor | |
| CN104860474A (en) | Method for carbon sequestration and biological treatment of waste alkali liquid containing sulfur | |
| CN100522849C (en) | Method for advanced treatment of ammonia nitrogen sewage | |
| CN109231715A (en) | Method for treating chemical ammonia distillation wastewater | |
| CN101781056B (en) | Treatment method of waste papermaking water | |
| CN104086049B (en) | The method of the wastewater treatment in the production of a kind of gallic acid | |
| KR102095470B1 (en) | Sbr system | |
| CN107935309A (en) | Priming produces waste water physicochemical pre-treat biological intensive treatment integrated technique | |
| CN207828063U (en) | A kind of coking wastewater processing system | |
| JPH07155790A (en) | Waste water treating device | |
| CN107151082B (en) | Zero-discharge treatment system and method for DMF (dimethyl formamide) -containing wastewater | |
| CN113087321A (en) | Container formula electro-Fenton biochemical pond MBR membrane allies oneself with uses water treatment system | |
| CN112794577A (en) | Remove SO42-And Cr (VI) | |
| CN109399856A (en) | A kind of semi-coke wastewater Zero discharge treatment method based on catalytic ozonation | |
| CN113135640A (en) | Method for treating pyridine-containing wastewater by using microorganisms | |
| CN112408699B (en) | Integrated denitrification method for wastewater containing toxic and harmful organic matters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210720 |