CN206437976U - Ozone branch system in Waste Water Treatment containing PAM - Google Patents
Ozone branch system in Waste Water Treatment containing PAM Download PDFInfo
- Publication number
- CN206437976U CN206437976U CN201621469950.XU CN201621469950U CN206437976U CN 206437976 U CN206437976 U CN 206437976U CN 201621469950 U CN201621469950 U CN 201621469950U CN 206437976 U CN206437976 U CN 206437976U
- Authority
- CN
- China
- Prior art keywords
- ozone
- waste water
- pam
- needed
- water
- 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.)
- Active
Links
Abstract
The utility model is related to the ozone branch system in a kind of Waste Water Treatment containing PAM, including control unit, ozone source, ozone-oxidizing device, ozone flow regulator more than needed；Ozone source main channel is connected with ozone-oxidizing device, and ozone channel of having more than needed purifies the recycle-water pipeline communication completed with wastewater treatment；On reuse waterpipe, positioned at being provided with ORP instrument electrically connected with control unit, for monitoring oxidation-reduction potential in recycle-water in real time on the position after ozone channel connecting portion more than needed, control unit adjusts the aperture of ozone flow regulator more than needed according to the Real-time Monitoring Data of ORP instrument in real time.The utility model utilizes ozone more than needed, sterilization processing is carried out for the water body after processing, simultaneously by water oxygen reduction potential after ORP instrument real time on-line monitoring ozone sterilizations so as to judge whether ozone is excessive, and then automatically adjust the flow of sterilization ozone, pipeline oxidization is avoided to corrode, also make full use of ozone more than needed simultaneously, it is to avoid waste.
Description
Technical field
The utility model is related to a kind of Waste Water Treatment, specifically, in being a kind of Waste Water Treatment containing PAM
Ozone branch system, belongs to the technical field of waste water processing containing PAM.
Background technology
Mineral Processing Enterprises need concentrating and separating again in the post-job ore pulp of washup, sometimes because the change of ore properties is led
Cause ore pulp to be difficult to settle in thickener, thickener occur and run muddy phenomenon so that charcoal leaching system ore pulp enriched fineness is not up to standard, tailings
Grade is exceeded, has a strong impact on production, wastes useful mine tailing composition.In order to avoid above mentioned problem occurs, domestic many ore dressing plants exist
When floatation process and mine tailing water process, substantial amounts of polyacrylamide (PAM) is typically added, accelerates settling ore pulp to be imitated with concentration
Really.Due to substantial amounts of use polyacrylamide, cause tailings recycling water COD concentration higher, viscosity increase is frequently occluded equipment pipe
Road, only by conventional coagulation-settlement process, it is difficult to meet recirculated water and use standard, the development of serious restriction Mineral Processing Enterprises.It is existing
In technology, for PAM degraded, use the methods such as potassium ferrate, sodium hypochlorite, Fenton reagent by PAM exhaustive oxidations for
Inorganic matter, so as to realize PAM removal, but so does, it is necessary to using substantial amounts of chemical agent, except sludge quantity increase, operation
Outside high cost, also as after dispensing, medicament and salt content in waste water all increase, and the waste water after processing can only be discharged,
Can not reuse again.
Therefore, how to find a kind of method rationally, economic and carry out treatment for reuse mine tailing wastewater, as the first-class of Mineral Processing Enterprises
Major issue, also cost this area be badly in need of the technical barrier solved.
Utility model content
The purpose of this utility model is, for the removal of PAM in the mine tailing wastewater processing cycle system containing PAM, there is provided one kind
New roadmap, first using ozone pre-oxidation, makes PAM macromoleculars occur open loop, chain rupture, is changed into simple small molecule organic
Thing, is that follow-up coagulation-flocculation creates favorable conditions, and solves PAM and removes after high work operating cost, sludge quantity increase, processing
Waste water Chinese medicine and salt content increase lead to not the technical problem of reuse.Meanwhile, using ozone more than needed, for the water after processing
Body carries out sterilization processing, while by water oxygen reduction potential after ORP instrument real time on-line monitoring ozone sterilizations (so as to judge smelly
Whether oxygen is excessive), and then automatically adjust the flow of sterilization ozone, it is to avoid duct wall is oxidized and then causes pipeline obstruction, together
When also make full use of ozone more than needed, it is to avoid waste.
The utility model takes following technical scheme：
A kind of ozone branch system in Waste Water Treatment containing PAM, including control unit, ozone source, ozone oxidation
Device, ozone flow regulator more than needed；The ozone source has main channel and ozone channel more than needed, the main channel and ozone
Oxidation unit is connected, and ozone channel of having more than needed purifies the recycle-water pipeline communication completed with wastewater treatment；On the reuse waterpipe,
Positioned at be provided with the position after ozone channel connecting portion more than needed it is being electrically connected with control unit, for monitoring back in real time
With the ORP instrument of water oxygen reduction potential, described control unit is according to the Real-time Monitoring Data of the ORP instrument is adjusted in real time
The aperture of ozone flow regulator more than needed.
Further, in addition to viscosimeter, the viscosimeter monitors the waste water viscosity of ozone-oxidizing device front end, institute in real time
Control unit is stated to be electrically connected with the flow control valve and the viscosimeter on the ozone-oxidizing device for ozone supply respectively
Connect, and adjust according to the corresponding relation between the viscosity apparatus and PAM concentration the flow of ozone of the ozone source main channel in real time
Amount.
Further, the mixed liquor containing PAM is the waste water that ore sorting is produced.
Further, the Waste Water Treatment containing PAM include be sequentially connected and connect mine tailing wastewater regulating reservoir,
Ozone-oxidizing device, coagulation-flocculation reaction tank, physical filtering device；Through the physical filtering device filter after water pipeline with
The water inlet connection of ore sorting；Ozone is mixed with waste water at the ozone-oxidizing device, coagulation-flocculation reaction tank with it is external
, for make PAM flocculate PAC and PAM addition passage connection.
Further, ozone-oxidizing device includes the air compressor machine being sequentially connected, oxygenerator, ozone generator, ozone oxidation
Pond, ozone is mixed with waste water in the gas-water mixer, into ozone oxidation pond.
Further, the physical filtering device includes tube settler, the sand filter being sequentially connected.
Further, the transmissometer provided with monitoring turbidity of wastewater in real time between the tube settler and sand filter, institute
Control unit is stated also to electrically connect with the transmissometer and for the PAC addition flow control valves of PAM flocculations respectively.
Further, the COD instrument for being used for monitoring COD concentration in waste water in real time, the COD are provided with after the sand filter
Two-way valve is provided with after instrument, the first via of two-way valve is connected with mine tailing wastewater regulating reservoir, the second tunnel and entering that ore is sorted
The mouth of a river is connected；Described control unit is electrically connected with the COD instrument and the two-way valve respectively, and the is opened when COD concentration is up to standard
The first via is closed on two tunnels, when COD concentration is not up to standard, opened the first via and is closed the second tunnel.
The beneficial effects of the utility model are：
1) removal for being PAM in the mine tailing wastewater processing cycle system containing PAM is first adopted there is provided a kind of new roadmap
With ozone pre-oxidation, PAM macromoleculars is occurred open loop, chain rupture, be changed into simple small organic molecule, be follow-up coagulation wadding
It is solidifying to create favorable conditions, solve PAM and remove high work operating cost, sludge quantity increase, processed waste water Chinese medicine and saliferous
Amount increase leads to not the technical problem of reuse.
2) using ozone more than needed, sterilization processing is carried out for the water body after processing, wastewater treatment affluence is gone out into ozone and thrown into
In reuse water system, sterilizing reduces the wasting of resources, and automaticity is high, and the quantity of setting sludge is few, reduces security risk, drop
Low investment and operating cost；Simultaneously by water oxygen reduction potential after ORP instrument real time on-line monitoring ozone sterilizations (so as to judge
Whether ozone is excessive), and then automatically adjust the flow of sterilization ozone, it is to avoid duct wall is oxidized and then causes pipeline obstruction,
Also make full use of ozone more than needed simultaneously, it is to avoid waste.
2) treatment effeciency and recycling rate of waterused of waste water are improved, is Mineral Processing Enterprises response national energy-saving emission reduction and recycling
Key means；
3) according to ore turbidity of wastewater it is larger the characteristics of, cleverly using viscosity of the viscosity apparatus to the waste water before ozone oxidation
Monitored in real time, and feed back to control unit, control unit controls the flow of ozone supply in real time accordingly, so as to reach optimal
Effect；
4) whole processing procedure, using automatic Measuring Instruments feedback control mechanism, adjustment ozone and PAC are added in real time
Amount, gives full play to ozone oxidation and PAC coagulating sedimentation efficiency, saves power consumption and medicament expense is used；
Brief description of the drawings
During Fig. 1 is embodiment one, the integrated artistic flow chart of the mine tailing wastewater processing cycle system containing PAM.
Fig. 2 is to produce ozone and mixing adds the schematic diagram of flow.
Fig. 3 is that during ozone supply, viscosity apparatus control corresponding discharge the schematic diagram of valve opening control with ORP instrument.
Embodiment
The utility model principle is further illustrated below in conjunction with the accompanying drawings.
Embodiment one：
Referring to Fig. 1-3, the utility model is not high based on waste water COD processing load, and biodegradability is poor, therefore at ozone
The subsequent technique of reason selects the group technology of materializing strategy, i.e. ozone pre-oxidation+coagulating sedimentation+sand filtration, it is ensured that stable water outlet is full
Sufficient circulating water quality requirement, realizes waste water recycling.Whole technique is real using feedback mechanisms such as viscosity, turbidity, Measuring Ozone Concentration in Water
Automatically controlling for existing added amount of chemical, is conducive to the benign cycle of Water circulation.
The technological process of ozone+coagulating sedimentation+sand filtration process combination processing reuse of mine tailing wastewater containing PAM is as follows：
Mine tailing wastewater containing PAM is mainly derived from the draining of ore sorting process, tailing pit overflow water and slag concentrate etc.,
The PAM that does not react completely is mainly contained and a small amount of metal ion, suspension, colloid, microfloatation medicament etc., by each collection
System is drained into PAM mine tailing wastewater regulating reservoirs, after progress homogeneous is measured, is pumped into ozone oxidation pond, by the pre- oxygen of Ozone Water
Change, change the structure and chemical characteristic of PAM and microfloatation medicament in waste water, bring it about open loop, chain rupture, become to be easy to materialization
The small organic molecule of processing, reduces the cleaning frequency and chemical feeding quantity of follow-up water treatment facilities, heavy by coagulation-flocculation and inclined tube
Behind shallow lake, major part PAM, suspension and colloidal substance in waste water are removed, water outlet stickiness is eliminated, COD concentration is reduced, and increase in end
Plus Sand Filtration System, monitored on-line by COD, qualified water reuse up to standard to workshop sorting process or the recirculated cooling water of equipment water
System.Unqualified water, Wastewater Form Circulating Cooling Water and sand filtration backwashing water, are each collected, and regulating reservoir is returned to again by blowdown pipe network
Processing.
The precipitating sludge of tube settler, precipitates principle using efficient flocculating, sludge is pumped into tailing pit, can both strengthen tail
The sedimentation effect of ore deposit, and the expense individually handled can be reduced.After mine tailing underflow is concentrated through slag thickener, slag can do Building wood
Material or other comprehensive utilizations, concentrate return to regulating reservoir and handled again.
By automatic branching system and automatic valve, by the ozone amount that wastewater treatment is rich, put into reuse water system, kill
Bacterium sterilize, reduce ozone waste while eliminate reuse water system microorganism, and pipe-line system is played certain scale inhibition and
Corrosion inhibition.
In summary, row, slag and comprehensive utilization of mud, resources circulation outside whole mine tailing wastewater processing procedure, no waste water
Utilize, fully achieve zero-emission.
Wherein control process portion：
1. ozone automated intelligent is added：According to viscosity in water, PAM consumptions are converted, pass through PLC controls and automatic valve, automatic control
The dosage of ozone is adjusted, ozone utilization rate is improved, ozone incurred cost is reduced, it is energy-saving；
2.PAC Intelligent adding：According to reuse water turbidity Con trolling index, using transmissometer automatic feedback control PAC dosings
Amount, reduce added amount of chemical, save medicament expense with while reduce TDS；
3. standard water discharge reuse intelligent control：Using COD on-line monitorings and transmissometer, qualified water reuse up to standard is unqualified
Water returns to regulating reservoir and handled again；
4. recycle-water cleanliness without any pollution intelligent control：Regulated and controled by automatic branching system and PLC, wastewater treatment affluence is smelly
Oxygen, is automatically engaged in reuse water system, sterilizing, and utilizes ORP instrument, in real time redox electricity in monitoring recycle-water
Position, to prevent adding the follow-up pipe network of ozone excessive corrosion, so reduces the microorganism that reuse water system is eliminated while ozone is wasted,
And certain scale inhibition and corrosion inhibition is played to pipe-line system.
Result is analyzed：
1st, the influence of pH value
By pilot plant test, ozone Beneficiation Wastewater is used, under neutral or basic conditions, i.e. pH7-9 is optimal, right
PAM has preferable clearance.
2nd, ozone adds the influence of concentration
It is 8 or so in waste water PH, as ozone adds the increase of concentration, PAM concentration declines comparatively fast, and viscosity is gradually reduced,
In 2.5mg/l or so, oxidation reaction 30min, the viscosity of water is close to distilled water, and COD clearance only 10% or so, gradually
Ozone dosage is increased, COD declines unobvious, it is considered to energy-saving consumption-reducing, combination coagulating sedimentation and sand filtration processing, through pilot plant test,
Substantially, clearance is up to 80% for COD removal effects；
3rd, the influence of ozone contact reaction time
It is 8 or so in waste water PH, adds ozone concentration for 2.5mg/l, when reacting 5min, ozone is to PAM mass concentrations
Begin to decline, after 10min, reduction by 50% or so, but it is unobvious to COD clearance, because ozone adds initial stage, interrupt
PAM molecules are changed into small organic molecule, increase after COD concentration, reaction 20min, part small organic molecule is oxidized to CO2,
COD concentration is begun to decline, and time of contact is longer, and COD removal effects are better.But consider economy, pre- oxygen is carried out only with ozone
Change, oxidization time is selected in 30min or so, combine coagulation-settlement process, it is more economical reasonable.
In a word, ozone Oxidation Treatment improves water outlet blocking pipeline problem, serves very important effect, and pre- through ozone
After oxidation-coagulation precipitation-sand filtration PROCESS FOR TREATMENT, COD clearances are up to 80%, SS clearances up to 85%, turbidity removal rate up to 93%.
Ozone pre-oxidation Beneficiation Wastewater effect is significant, does not increase extra the quantity of setting sludge, does not produce secondary pollution, Ke Yiwen
Surely correlation water standard is reached, and appropriate ozone is added in reuse water lines, biological sludge in industrial in recirculated water is eliminated, reduces pipeline
Fouling and corrosion, and prevent equipment pipe from blocking.
Embodiment two：
Containing polyacrylamide in certain aluminium ore factory original debris recycle-water, the reuse after simple coagulating kinetics, often
Occluding device pipe-line system, increase equipment cleaning frequency and workman's working strength, influence the production efficiency of enterprise.Therefore, we
Take factory's water sample to carry out pilot plant test, by multiple process combination and than selecting, finally select ozone pre-oxidation+coagulating sedimentation+sand
The group technology of filter.Go out water ph value weak basic condition in mine tailing, add after ozone 1-4mg/L, reaction 30min, measured with viscosity
Viscosity in water is measured, control viscosity is within 1mPas, and water outlet enters coagulation reaction tank, adds PAC 120mg/l, big depending on alumen ustum
It is small, PAC chemical feeding quantity is adjusted in real time or trace P AM is properly added helps solidifying, after tube settling, COD clearances about 73%, SS
Clearance about 87%, turbidity removal rate about 92.3%, reach expected treatment effect.In order to ensure recycle-water stably reaching standard, and
Sand Filtration System is set up in end, removes remaining suspension in waste water.Precipitating sludge is pumped into tailing pit, and slag is passed through together with slag
After thickener concentration, slag comprehensive utilization, concentrate is back to regulating reservoir and handled again.Sand filtration water outlet meets recycle water standard,
Re-circulation is used, the national water-saving and emission-reducing requirement of response.
Under the conditions of optimal dispensing, test process effect such as following table：
As seen from the above table, after ozone pre-oxidation-coagulating sedimentation+sand filtration PROCESS FOR TREATMENT, water outlet can meet correlation water
Standard, hence it is evident that improve water outlet blocking pipeline problem, and do not increase extra the quantity of setting sludge, do not produce secondary pollution, improves waste water
Treatment effeciency and recycling rate of waterused, are the key means that Mineral Processing Enterprises realize energy-saving and emission-reduction and recycling.
Embodiment three：
Certain oil field, which drives to adopt, contains substantial amounts of PAM in waste water, waste water viscosity is big, oil content is high, and biodegradability is poor, and place is existing
A set of oil removal-coagulating kinetics system, due to the continuous aging of equipment, environmental requirement is stricter, and existing utility can not be met
It is required that, therefore upgrading is carried out to existing waste water disposal facility.By carefully analyzing existing water quality and multiple small-scale experiment, and
Make full use of on the basis of existing waste water disposal facility, optimization design determines to use：Oil removal precipitation, ozone oxidation pretreatment and
Biochemical processing process, final process water outlet is recycled.
Upgrading processing technological flow is as follows：
Oil field is driven and adopted after wastewater collection to regulating reservoir, first carries out oil removal precipitation process, removes the oils in waste water, Ran Houjing
The PAM concentration crossed in ozone oxidation pretreatment, reduction waste water, namely waste water viscosity is reduced, the biodegradability of waste water is improved, then
By biological contact oxidation pond, most of organic matter in waste water is removed, in order to ensure recycle-water stably reaching standard, in biological contact oxidation
Change the end in pond, increase MBR bioreactors, instead of traditional secondary sedimentation tank, using sludge concentration higher in pond, enter one
Organic matter in step reduction waste water, while the suspension in waste water is filtered out, standard water discharge reuse.
Before ozone oxidation pond, viscosity apparatus are set up, for monitoring the waste water viscosity before entering ozone oxidation pond, and will
Monitoring signals Real-time Feedback is to PLC control centres, and control centre presets the journey of PAM concentration and the one-to-one relation of waste water viscosity
Sequence, and the flow of ozone supply is adjusted according to the PAM concentration measured in real time.
After upgrading is handled, waste water treatment efficiency is significantly improved, and preferably, fully meeting recycle-water will for effluent quality
Ask, improve the recycling rate of waterused of water, respond national environmental protection water-saving and emission-reducing policy.
Claims (8)
1. the ozone branch system in a kind of Waste Water Treatment containing PAM, it is characterised in that：
Including control unit, ozone source, ozone-oxidizing device, ozone flow regulator more than needed；
The ozone source has main channel and ozone channel more than needed, and the main channel is connected with ozone-oxidizing device, ozone of having more than needed
Passage purifies the recycle-water pipeline communication completed with wastewater treatment；
On the reuse waterpipe, connect positioned at being provided with the position after ozone channel connecting portion more than needed with control unit
ORP instrument connect, for monitoring oxidation-reduction potential in recycle-water in real time, described control unit is real-time according to the ORP instrument
Monitoring Data adjusts the aperture of the ozone flow regulator more than needed in real time.
2. the ozone branch system in the Waste Water Treatment as claimed in claim 1 containing PAM, it is characterised in that：Also include
Viscosimeter, the viscosimeter monitors the waste water viscosity of ozone-oxidizing device front end in real time, described control unit respectively with it is described smelly
For the flow control valve of ozone supply and viscosimeter electrical connection on oxygen oxidation unit, and according to the viscosity apparatus and PAM
Concentration between corresponding relation adjust the ozone flow of the ozone source main channel in real time.
3. the ozone branch system in the Waste Water Treatment as claimed in claim 1 containing PAM, it is characterised in that：It is described to contain
PAM mixed liquors are the waste water that ore sorting is produced.
4. the ozone branch system in the Waste Water Treatment as claimed in claim 3 containing PAM, it is characterised in that：
It is mine tailing wastewater regulating reservoir that the Waste Water Treatment containing PAM includes being sequentially connected and connect, ozone-oxidizing device, mixed
Solidifying flocculation tank, physical filtering device；The water inlet that water pipeline after being filtered through the physical filtering device is sorted with ore
Mouth connection；
Ozone is mixed with waste water at the ozone-oxidizing device, coagulation-flocculation reaction tank and external PAC and PAM addition passages
Connection.
5. the ozone branch system in the Waste Water Treatment as claimed in claim 1 containing PAM, it is characterised in that：Ozone oxygen
Makeup is put including the air compressor machine being sequentially connected, oxygenerator, ozone generator, ozone oxidation pond, and ozone is with waste water in mixing wastewater with air
Mixed in device, into ozone oxidation pond.
6. the ozone branch system in the Waste Water Treatment as claimed in claim 4 containing PAM, it is characterised in that：The thing
Reason filter includes tube settler, the sand filter being sequentially connected.
7. the ozone branch system in the Waste Water Treatment as claimed in claim 6 containing PAM, it is characterised in that：It is described oblique
Between pipe sedimentation basin and sand filter provided with real time monitoring turbidity of wastewater transmissometer, described control unit also respectively with the turbidity
Instrument and the PAC addition flow control valve electrical connections flocculated for PAM.
8. the ozone branch system in the Waste Water Treatment as claimed in claim 6 containing PAM, it is characterised in that：The sand
It is provided with after filter tank after the COD instrument for being used for monitoring COD concentration in waste water in real time, the COD instrument provided with two-way valve, two-way valve
The first via of door is connected with mine tailing wastewater regulating reservoir, and the water inlet that the second tunnel is sorted with ore is connected；Described control unit is distinguished
Electrically connected with the COD instrument and the two-way valve, when COD concentration it is up to standard open the second tunnel close the first via, when COD concentration not
It is up to standard, open the first via and close the second tunnel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469950.XU CN206437976U (en) | 2016-12-29 | 2016-12-29 | Ozone branch system in Waste Water Treatment containing PAM |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469950.XU CN206437976U (en) | 2016-12-29 | 2016-12-29 | Ozone branch system in Waste Water Treatment containing PAM |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206437976U true CN206437976U (en) | 2017-08-25 |
Family
ID=59643512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621469950.XU Active CN206437976U (en) | 2016-12-29 | 2016-12-29 | Ozone branch system in Waste Water Treatment containing PAM |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206437976U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517600A (en) * | 2016-12-29 | 2017-03-22 | 上海铱钶环保科技有限公司 | Ozone shunting system in PAM-containing wastewater treatment system |
| CN112931382A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院水生生物研究所 | Freshwater fish temporary culture device comprehensively utilizing tail gas and cooling water of ozone generator during working |
-
2016
- 2016-12-29 CN CN201621469950.XU patent/CN206437976U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106517600A (en) * | 2016-12-29 | 2017-03-22 | 上海铱钶环保科技有限公司 | Ozone shunting system in PAM-containing wastewater treatment system |
| CN112931382A (en) * | 2021-02-03 | 2021-06-11 | 中国科学院水生生物研究所 | Freshwater fish temporary culture device comprehensively utilizing tail gas and cooling water of ozone generator during working |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106746008A (en) | Mine tailing wastewater processing cycle system and technique containing PAM | |
| WO2019196053A1 (en) | High-efficiency energy-saving integrated water treatment device | |
| CN104961292B (en) | Modularized integrated system and method applicable to treatment of low-temperature livestock and poultry slaughtering waste water in north | |
| CN103848542A (en) | Advanced wastewater treatment technology for sewage treatment and upgrading and reconstruction | |
| CN111138028A (en) | Automobile production wastewater treatment method and system | |
| CN102206011A (en) | Coagulation-oxidation combined type method for processing sewage | |
| CN206437976U (en) | Ozone branch system in Waste Water Treatment containing PAM | |
| CN210367243U (en) | Copper mine ore dressing wastewater treatment recycling device | |
| CN210367290U (en) | Shale gas drilling operation waste water does not fall to ground preprocessing device | |
| CN104016520B (en) | Device for pre-treating coal chemical industry wastewater by air flotation coupled with coagulation and method for pre-treating coal chemical industry wastewater by device | |
| CN206437998U (en) | The monitoring system of PAM concentration in mixed liquor containing PAM | |
| CN107473514B (en) | Household garbage leachate treatment system and technology | |
| CN211471024U (en) | Advanced treatment system for high nitrate nitrogen and low ammonia nitrogen raw water | |
| CN205368049U (en) | Sizing agent effluent treatment plant | |
| CN104773908A (en) | Endocrine disruptor-containing pickling wastewater treatment apparatus and method thereof | |
| CN107176753A (en) | A kind of upgrade method of urban sewage treating device and handling process | |
| CN206437977U (en) | Mine tailing wastewater processing cycle system containing PAM | |
| CN106673307A (en) | Method and system for monitoring PAM concentration in PAM-containing mixed solution | |
| CN203269723U (en) | Wastewater treatment equipment for corn deep-processing | |
| CN109502900A (en) | A kind of Pb-Zn deposits beneficiation wastewater treatment for reuse Processes and apparatus | |
| CN106517600A (en) | Ozone shunting system in PAM-containing wastewater treatment system | |
| CN114772801A (en) | System and method for treating beneficiation wastewater by ozone-hydrogen peroxide coupling jet aeration oxidation | |
| CN111635069A (en) | Bone gelatin wastewater treatment and recycling device and process thereof | |
| CN206156962U (en) | A biological processing apparatus that synthesizes of materialization for angering power plant waste water | |
| CN209307101U (en) | A kind of organic polluted soil thermal desorption sewage disposal system |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |