CN108409046A - A kind of wastewater treatment equipment and method - Google Patents
A kind of wastewater treatment equipment and method Download PDFInfo
- Publication number
- CN108409046A CN108409046A CN201810338593.0A CN201810338593A CN108409046A CN 108409046 A CN108409046 A CN 108409046A CN 201810338593 A CN201810338593 A CN 201810338593A CN 108409046 A CN108409046 A CN 108409046A
- Authority
- CN
- China
- Prior art keywords
- waste water
- wastewater treatment
- ozone
- water
- oxidation
- 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.)
- Withdrawn
Links
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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5281—Installations for water purification using chemical agents
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
-
- 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
- C02F3/02—Aerobic processes
Abstract
The present invention relates to a kind of wastewater treatment equipment and method, the wastewater treatment equipment includes：Sequentially connected coagulative precipitation device, one stage catalyzing oxidation reactor, two level catalyst oxidation reactor, release device, biological aerated filter.The present invention uses coagulating sedimentation catalytic ozonation biological aerated filter integration mode, to improve ozone utilization rate, reduces processing cost, improves contaminant degradation rate.
Description
Technical field
The present invention relates to a kind of wastewater treatment equipment and methods, belong to industrial waste water treatment.
Background technology
In textile and dyeing industry production process, the process sections such as pretreatment, dyeing, stamp, decoloration, arrangement will produce largely
Waste water, each process section waste water difference is larger, overall with organic pollution content is big, biodegradability is poor, variation water quality is big, coloration
The features such as high.
The active charcoal absorption of currently used advanced treatment method for printing and dyeing wastewater, advanced oxidation, biological aerated filter and film
Method etc.；Wherein, ozone high grade oxidation method is because it is strong, easy to operate with organic matter removal ability, is generated without chemical sludge, coloration
The advantages that removal efficiency is high has received sewage advanced treatment field concern.But individually using ozone high grade oxidation method to printing and dyeing
Waste water carry out advanced treating, ozone consumption is larger, and cost high efficiency is low, it is difficult to effective practical application, organically by physico-chemical process,
Bioanalysis combination combination, is only the developing direction of dyeing waste water advanced treating.
CN106865911A is disclosed using physical-chemical-bioanalysis Combined Treatment waste water, enhances the denitrogenation work(of system
Energy；However, it is directly aoxidized using Pre-Ozonation on Organic Matter, oxidation efficiency is relatively low, and system hydraulic detention time is longer.
CN104003478A discloses a kind of method of double section ozone-biological aerated filter combined treatment industrial wastewater.This method utilizes
Bioanalysis is combined with catalytic ozonation method, effectively reduces cost for wastewater treatment, but its can handle the COD concentration of waste water compared with
Low, there are some problems for practical application.
Invention content
For current technology there are problem, the present invention provides one kind and can be used for advanced treatment apparatus for printing and dyeing wastewater and method.
The device uses coagulating sedimentation-catalytic ozonation-biological aerated filter integration mode, to improve ozone utilization rate, reduces
Processing cost improves contaminant degradation rate.
Technical solution of the present invention is as follows.
A kind of wastewater treatment equipment, including：Sequentially connected coagulative precipitation device, one stage catalyzing oxidation reactor, two level
Catalyst oxidation reactor, release device, biological aerated filter；
Wherein, the water outlet of the one stage catalyzing oxidation reactor is also connect with the water inlet conduit of the release device.
Further, the coagulative precipitation device includes medicine machine, pipeline mixing apparatus and mixing plant.The coagulation
The mud discharging mouth of settler is additionally provided with lateral, the sludge import for connecting coagulative precipitation device.
Further, nanometer aeration disk is equipped in the one stage catalyzing oxidation reactor；The one stage catalyzing oxidation reaction
Equal filler particles shape filler in device and the two level catalyst oxidation reactor；The filler is different according to process object water quality and has
Adjusted, such as when handling dyeing waste water, the preferred carried titanium dioxide of the filler, iron oxide complex solid catalyst.
Further, the release device is seal case, inside sets deflector, sludge pump etc..The release device is returned
Head piece is connect with coagulative precipitation device pipeline.
Further, haydite is filled in the biological aerated filter；The water outlet of the biological aerated filter respectively with water
Case, the connection of coagulative precipitation device pipeline；Water tank is additionally provided with backwash water outlet simultaneously, backwashes water outlet and biological aerated filter
Backwash water inlet pipeline be connected.
The biological aerated filter is additionally provided with air inlet, is connected with backwash Fan pipeline.
The present invention also provides a kind of wastewater treatment methods, including：Waste water is through coagulating sedimentation, catalysis oxidation, ozone release, exposure
Gas disposal.
Wastewater treatment method of the present invention is primarily adapted for use in the spies such as COD contents are higher, biochemical is poor, coloration is high
The waste water of point, if COD contents are 200-400mg/L；In the present invention by taking dyeing waste water as an example.
The coagulating kinetics are specially：Waste water is mixed with coagulant, pH adjusting agent, is mixed under the state that mixes slowly
Flco is formed, and is detached.
The coagulant, pH adjusting agent are the conventional dose that those skilled in the art are grasped.Wherein, the coagulant
It is one or more in bodied ferric sulfate, aluminium polychloride, polyaluminium sulfate, polyacrylamide, calcium hydroxide.Specific choosing
Select can be according to waste water quality depending on.
The catalytic oxidation treatment is specially：Waste water first passes through nanometer aeration, then mixes and carried out at catalysis oxidation with ozone
Reason；One stage catalyzing oxidation effluent quality is detected, if water quality meets the requirements, water outlet is directly entered ozone release process；If water quality
Undesirable, then ozone release process must be entered back into after two level catalytic oxidation treatment by being discharged.Waste water is in catalytic oxidation
Hydraulic detention time is 40-60min in device.
During catalytic oxidation treatment of the present invention, ozone is partially converted into hydroxyl free under the action of catalyst
Base, and with remaining ozone cooperative, persistent organic pollutants in waste water are aoxidized.The catalyst can be according to waste water quality situation
It is selected.
The ozone release is handled：Also contain a small amount of ozone in waste water after catalysis oxidation, waste water is subjected to ozone
Release is handled, and wherein residual ozone is made further to decompose, and suspended matter precipitates again in waste water, and sediment is back to as flocculation core
Coagulating sedimentation process.Waterpower residence time in release device is 60-70min.
The Air Exposure is：Waste water passes through biological adsorption, decomposition, Physical entrapment effect, further organics removal；Through
After processing, a part of direct discharging of waste water, backwash water of another part waste water as biological aerated filter.Waterpower is being aerated
The biofilter residence time is 60-120min.
Compared with prior art, technical solution of the present invention obtains following advantageous effect：
1) present invention uses front end coagulation-settlement process, can effectively reduce the organic pollution in catalytic ozonation stage
Load improves system entirety impact resistance, reduces ozone dosage, reduces operating cost.
2) present invention selects suitable catalyst in the catalytic ozonation stage, can enhance the oxidability of ozone, to
Promote the removal effect of catalytic oxidation stage organic matter.
3) present invention is equipped with independent ozone release pond, is stopped by water conservancy in release pond or flow-shape, decomposition aoxidize
Residual ozone avoids it from entering subsequent biological aerated filter, and harm is generated to the microorganism on filler surface.Moreover, waste water passes through
After ozone oxidation, a small amount of precipitation can be generated again in ozone release pond, these precipitations are back to the coagulating sedimentation stage, can be used as
The core that flocculates promotes flocculating effect, reduces added amount of chemical.
4) biological aerated filter operation is not necessarily to aerating system in the present invention.It is not fully converted into due to being used to prepare ozone
Ozone, remaining oxygen will enter system with ozone, thus can directly be supplied oxygen using the oxygen that front end adds, and save equipment cost
And operating cost.The biological aerated filter effectively removes the biochemical organic matter that generation is aoxidized in waste water, and operating cost is low,
System unit COD is reduced on the whole removes expense.
5) waste water treatment process of the present invention has that strong shock resistance, hydraulic detention time be shorter, water quality adapts to
The features such as range is wide.
Description of the drawings
Fig. 1 is the structural schematic diagram of wastewater treatment equipment of the present invention.
In figure：1- coagulative precipitation devices；2- ozone generating-devices；The one stage catalyzing oxidation reactors of 3-；4- two levels are catalyzed oxygen
Change reactor；5- release devices；6- biological aerated filter；7- water tanks；8- backwashes wind turbine；9- dosing tanks I；10- dosing tanks II；
11- dosing tanks III；12- mixes slowly machine；13- electromagnetic flowmeters；14- spinner flowmeters；15- nanometer aeration disks；16- is intake
Pump；17- sludge pumps；18- reflux pumps；19- dosings metering pump I；20- dosings metering pump II；21- dosings metering pump III；22- recoils
Wash water pumps.
Specific implementation mode
The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention..
A kind of 1 wastewater treatment equipment of embodiment
A kind of wastewater treatment equipment, including：Sequentially connected coagulative precipitation device, one stage catalyzing oxidation reactor, two level
Catalyst oxidation reactor, release device, biological aerated filter；
Wherein, the water outlet of the one stage catalyzing oxidation reactor is also connect with the water inlet conduit of release device.
The coagulative precipitation device includes medicine machine, pipeline mixing apparatus and mixes slowly equipment.The coagulating sedimentation
The mud discharging mouth of device is additionally provided with the sludge import of lateral connection coagulative precipitation device.
Nanometer aeration disk is equipped in the one stage catalyzing oxidation reactor；The one stage catalyzing oxidation reactor and described two
Equal filler particles shape filler in grade catalyst oxidation reactor；The filler is different according to process object water quality and is adjusted, such as
When handling dyeing waste water, the preferred carried titanium dioxide of the filler, iron oxide complex solid catalyst.
The release device is seal case, inside sets deflector, sludge pump etc..The refluxing opening and coagulation of the release device
Settler pipeline connects.
Haydite is filled in the biological aerated filter；The water outlet of the biological aerated filter is heavy with water tank, coagulation respectively
Shallow lake installs pipes connection；Water tank is additionally provided with backwash water outlet simultaneously, backwashes the backwash of water outlet and biological aerated filter
Water inlet conduit is connected.
The biological aerated filter is additionally provided with air inlet, is connected with backwash Fan pipeline.
A kind of 2 wastewater treatment method of embodiment
A kind of wastewater treatment method, including：Waste water is through coagulating sedimentation, catalysis oxidation, ozone release, Air Exposure.
The coagulating kinetics are specially：Waste water is mixed with coagulant, pH adjusting agent, is mixed under the state that mixes slowly
Flco is formed, and is detached.
The coagulant, pH adjusting agent are the conventional dose that those skilled in the art are grasped.Wherein, coagulant is selected from
It is one or more in bodied ferric sulfate, aluminium polychloride, polyaluminium sulfate, polyacrylamide, calcium hydroxide.
The catalytic oxidation treatment is specially：Waste water first passes through nanometer aeration, then mixes and carried out at catalysis oxidation with ozone
Reason；One stage catalyzing oxidation effluent quality is detected, if water quality meets the requirements, water outlet is directly entered ozone release process；If water quality
Undesirable, then ozone release process must be entered back into after two level catalytic oxidation treatment by being discharged.Waste water is in catalytic oxidation
Hydraulic detention time is 40-60min in device.
Under the effect of the catalyst, a part of ozone is converted into hydroxyl radical free radical in water, with ozone cooperative by waste water
Middle persistent organic pollutants oxidation.
The ozone release is handled：Also contain a small amount of ozone in waste water after catalysis oxidation, waste water is subjected to ozone
Release is handled, and makes wherein that residual ozone further decomposes, suspended matter precipitates again in waste water, and sediment is back to as the core that flocculates
Coagulating sedimentation process.Waterpower residence time in release device is 60-70min.
The Air Exposure is：Waste water passes through biological adsorption, decomposition, Physical entrapment effect, further organics removal；Through
After processing, a part of direct discharging of waste water, backwash water of another part waste water as biological aerated filter.Waterpower is being aerated
The biofilter residence time is 60-120min.
The concrete application of 3 wastewater treatment equipment of embodiment and method
Jiangxi textile printing and dyeing plant effluent is handled using wastewater treatment equipment of the present invention.
Factory's technique is coagulation-multistage A/O- secondary precipitations.
Waste water treatment step：Secondary precipitation water outlet initially enters coagulative precipitation tank dosing coagulant, flocculation aid, coagulating sedimentation
Water outlet enters ozone catalytic oxidation unit, enters release device after carrying out advanced oxidation to organic pollution, subsequently into aeration
Further pollutant is decomposed and retained in biofilter.
Actual test conditions are as follows：Inflow 5L/h, raw water CODCr=674mg/L, pH=6.9, coloration=128 times are urged
It is 50% that agent, which adds volume, and coagulative precipitation device medicament is using bodied ferric sulfate, cationic polyacrylamide, dosage difference
For 200mg/L, 2 ‰, ozone concentration 23.5mg/L, biological aerated filter backwashing period is 7d, biological aerated filter biofilm
Continuous processing 8d afterwards.
Waste water hydraulic detention time in catalyst oxidation reactor is 40-60min.Waterpower residence time in release device
For 60-70min.Waterpower is 60-120min in the biological aerated filter residence time.
The average water quality index of water outlet is as follows：CODCr=169mg/L, pH=7.2, coloration<10 times, SS<10mg/L.
And use the processing method of coagulating sedimentation-ozone direct oxidation-BAF：Ozone oxidation section processing time needs 60-
90min, the BAF residence time need 3h or more, and it is reachable to be discharged average water quality index：CODCr≤200mg/L, pH=6-9, coloration<10
Times, SS<10mg/L.
The concrete application of 4 wastewater treatment of embodiment
Certain textile printing and dyeing plant effluent is handled using wastewater treatment equipment of the present invention.
Plant area's prior art is coagulation-biological fluidized bed-precipitation-air supporting.
Waste water treatment step：Air supporting water outlet initially enters coagulative precipitation tank dosing coagulant, flocculation aid, coagulating sedimentation water outlet
Into ozone catalytic oxidation unit, enter release device after carrying out advanced oxidation to organic pollution, subsequently into aeration and biological
Further pollutant is decomposed and retained in filter tank.
Actual test conditions are as follows：Inflow 5L/h, raw water CODCr=279mg/L, pH=6.2, coloration=64 times are urged
It is 60% that agent, which adds volume, and coagulative precipitation device medicament is using bodied ferric sulfate, cationic polyacrylamide, dosage difference
For 300mg/L, 2 ‰, ozone concentration 23.5mg/L, biological aerated filter backwashing period is 5d, biological aerated filter biofilm
Continuous processing 10d afterwards.
Waste water hydraulic detention time in catalyst oxidation reactor is 40-60min.Waterpower residence time in release device
For 60-70min.Waterpower is 60-120min in the biological aerated filter residence time.
The average water quality index of water outlet is as follows：CODCr=44.9mg/L, pH=6.9, coloration<10 times, SS<10mg/L.
And use existing conventional ozone oxidation-BAF treatment process, ozone oxidation section processing time will 90min with
On, it is reachable to be discharged average water quality index：CODCr≤60mg/L, pH=6-9, coloration<10 times, SS<10mg/L.
Although above the present invention is described in detail with a general description of the specific embodiments,
On the basis of the present invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Cause
This, these modifications or improvements, belong to the scope of protection of present invention without departing from theon the basis of the spirit of the present invention.
Claims (10)
1. a kind of wastewater treatment equipment, which is characterized in that including：Sequentially connected coagulative precipitation device, one stage catalyzing oxidation are anti-
Answer device, two level catalyst oxidation reactor, release device, biological aerated filter；Wherein, the one stage catalyzing oxidation reactor goes out
The mouth of a river is also connect with the water inlet conduit of the release device.
2. wastewater treatment equipment according to claim 1, which is characterized in that the coagulative precipitation device is set comprising dosing
Standby, pipeline mixing apparatus, mixing plant；
The mud discharging mouth of the coagulative precipitation device is additionally provided with lateral, for connect the sludge of coagulative precipitation device into
Mouthful.
3. wastewater treatment equipment according to claim 1 or 2, which is characterized in that in the one stage catalyzing oxidation reactor
Equipped with nanometer aeration disk；
Filler is filled in the one stage catalyzing oxidation reactor and the two level catalyst oxidation reactor；The filler is according at
Reason object water quality is different and is adjusted.
4. according to any wastewater treatment equipments of claim 1-3, which is characterized in that the release device is seal box
Body inside sets deflector, sludge pump.
5. according to any wastewater treatment equipments of claim 1-4, which is characterized in that the refluxing opening of the release device with
The coagulative precipitation device pipeline connection.
6. according to any wastewater treatment equipments of claim 1-5, which is characterized in that the water outlet of the biological aerated filter
Mouth is connect with water tank, coagulative precipitation device pipeline respectively；
Water tank is additionally provided with backwash water outlet simultaneously, backwashes the backwash water inlet pipeline phase of water outlet and biological aerated filter
Even.
7. a kind of wastewater treatment method, which is characterized in that including：Waste water is through coagulating sedimentation, catalysis oxidation, ozone release, aeration
Processing.
8. wastewater treatment method according to claim 7, which is characterized in that the coagulating kinetics are specially：Waste water
It is mixed with coagulant, pH adjusting agent, flco is mixed to form under the state that mixes slowly, and detach；
The catalytic oxidation treatment is specially：Waste water first passes through nanometer aeration, then is mixed with ozone and carry out catalytic oxidation treatment；
The ozone release is handled：Also contain a small amount of ozone in waste water after catalysis oxidation, waste water is subjected to ozone release
Processing, makes wherein residual ozone further decompose, and suspended matter precipitates again in waste water, and sediment is back to coagulation as flocculation core
Precipitate process；
The Air Exposure is：Waste water passes through biological adsorption, decomposition, Physical entrapment effect, further organics removal；Through processing
Afterwards, a part of direct discharging of waste water, backwash water of another part waste water as biological aerated filter.
9. wastewater treatment method according to claim 8, which is characterized in that during the catalytic oxidation treatment, inspection
One stage catalyzing oxidation effluent quality is surveyed, if water quality meets the requirements, water outlet is directly entered ozone release process；If water quality is not met
It is required that ozone release process must be entered back into after two level catalytic oxidation treatment by being then discharged.
10. according to any wastewater treatment methods of claim 7-9, which is characterized in that the waste water is dyeing waste water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338593.0A CN108409046A (en) | 2018-04-16 | 2018-04-16 | A kind of wastewater treatment equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810338593.0A CN108409046A (en) | 2018-04-16 | 2018-04-16 | A kind of wastewater treatment equipment and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108409046A true CN108409046A (en) | 2018-08-17 |
Family
ID=63135528
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810338593.0A Withdrawn CN108409046A (en) | 2018-04-16 | 2018-04-16 | A kind of wastewater treatment equipment and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108409046A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292926A (en) * | 2018-10-08 | 2019-02-01 | 中机铸材科技（福建）有限公司 | Wastewater treatment method in discarded sodium silicate process cast used sand treatment process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363549A (en) * | 2011-06-30 | 2012-02-29 | 上海明诺环境科技有限公司 | Deep treatment system of membraneless industrial organic wastewater |
| CN104496119A (en) * | 2014-12-17 | 2015-04-08 | 武汉钢铁(集团)公司 | Deep treatment method and device of coking wastewater |
| CN105236694A (en) * | 2015-11-16 | 2016-01-13 | 南京大学盐城环保技术与工程研究院 | System and method for deeply treating chemical wastewater and biochemical tail water |
-
2018
- 2018-04-16 CN CN201810338593.0A patent/CN108409046A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102363549A (en) * | 2011-06-30 | 2012-02-29 | 上海明诺环境科技有限公司 | Deep treatment system of membraneless industrial organic wastewater |
| CN104496119A (en) * | 2014-12-17 | 2015-04-08 | 武汉钢铁(集团)公司 | Deep treatment method and device of coking wastewater |
| CN105236694A (en) * | 2015-11-16 | 2016-01-13 | 南京大学盐城环保技术与工程研究院 | System and method for deeply treating chemical wastewater and biochemical tail water |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109292926A (en) * | 2018-10-08 | 2019-02-01 | 中机铸材科技（福建）有限公司 | Wastewater treatment method in discarded sodium silicate process cast used sand treatment process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106007221B (en) | A kind of pharmaceutical wastewater treatment process | |
| CN105236694B (en) | A kind of system and method for chemical wastewater biochemical tailrace advanced processing | |
| CN104478175B (en) | The processing system of a kind of kitchen castoff anaerobic fermentation biogas slurry and method | |
| CN202924850U (en) | Advanced wastewater oxidation system | |
| CN105776775B (en) | A kind of group technology of landfill leachate treatment | |
| CN106830544A (en) | Light electrolysis Fenton EGSB A/O BCO BAF coagulating treatment pharmacy waste water systems | |
| CN102040294B (en) | Treatment method for circulating water sewerage and reverse osmosis concentrated water | |
| CN106830536A (en) | A kind of advanced treatment process of ferment antibiotics waste water | |
| CN104098228A (en) | Organic amine wastewater treatment method | |
| CN104163539A (en) | Processing method of wastewater in coal chemistry industry | |
| CN106745971A (en) | A kind of processing method of high-leveled and difficult waste water | |
| CN109534601A (en) | A kind of biochemical method for combining electrocatalytic oxidation processing landfill leachate | |
| CN112624510A (en) | Sewage advanced treatment combined device and process | |
| CN207062081U (en) | A kind of pharmaceutical wastewater processing system | |
| CN106587531A (en) | Treatment system and method for synthesizing type industrial park sewage | |
| CN105621805B (en) | A kind of garbage burning factory percolate qualified discharge processing system and method | |
| CN105712564A (en) | Equipment for processing waste water through glyphosate production | |
| CN113955899A (en) | Efficient paint production wastewater treatment system and process | |
| CN111285491A (en) | Concentrated water treatment method and treatment device | |
| CN106430846A (en) | Efficient treatment integrated process for recalcitrant wastewater with low organic matter content | |
| CN208234718U (en) | A kind of wastewater treatment equipment | |
| CN108409046A (en) | A kind of wastewater treatment equipment and method | |
| CN205295072U (en) | Landfill leachate processing apparatus based on anaerobic ammonium oxidation | |
| CN103848520A (en) | Process method for deeply treating tannery wastewater by using Fenton reagent oxidation method | |
| CN210595626U (en) | Industrial waste water ultrasonic wave is catalytic oxidation device in coordination |
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 | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20180817 |
|
| WW01 | Invention patent application withdrawn after publication |