CN206447722U - A kind of synthetic rubber processing waste water processing unit - Google Patents
A kind of synthetic rubber processing waste water processing unit Download PDFInfo
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- CN206447722U CN206447722U CN201621413915.6U CN201621413915U CN206447722U CN 206447722 U CN206447722 U CN 206447722U CN 201621413915 U CN201621413915 U CN 201621413915U CN 206447722 U CN206447722 U CN 206447722U
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Abstract
The utility model discloses a kind of synthetic rubber processing waste water processing unit, including sump, setting pot, reaction tank, flotation tank, grille well, regulating reservoir, hydrolytic tank, A ponds, O ponds, second pond, clear water reserviors, carbon filter tank, drainage well and sludge concentration tank, the sump connection production waste water drain outlet, the output end of sump is connected to setting pot, setting pot is provided with upper liquid output end and bottom sludge output end, the bottom sludge output end of setting pot is connected to sludge concentration tank, the upper liquid output end of setting pot is connected to reaction tank, reaction tank is connected with flotation tank, the output end of flotation tank is connected to regulating reservoir；The grille well is connected with sanitary wastewater output end, and the output end of grille well is connected to regulating reservoir, and the regulating reservoir is also connected with technique waste water output end.The utility model is combined using kinds of processes to be handled synthesis rubber processing waste water, can not only ensure that standard water discharge is discharged, additionally it is possible to turn waste into wealth, realize comprehensive utilization of resources.
Description
Technical field
The utility model is related to rubber processing technical field of waste water processing, specifically a kind of synthetic rubber processing waste water processing
Device.
Background technology
Synthetic rubber waste water composition is extremely complex, and is difficult to biochemical degradation, with the features such as salt content is high, colourity is high.Close
Into cohesion, washing and extrusion process of the Rubber Industrial Wastewater in synthetic rubber production, discharge capacity is big, strong toxicity, water quality into
It is 300~2000mg/L to divide complexity wherein COD, and BOD is 100~360mg/L, if directly discharge can severe contamination ecological environment.
It is increasingly strict with environmental regulation.To the research of synthetic rubber waste water treatment technology by the important topic as rubber industry.
Several synthetic rubber waste water treatment technologies are reviewed, and propose developing direction.
1 physical-chemical process
Physical-chemical process is that the pollutant in waste water reaches removal purpose in processing procedure by the change of phase transfer
Treatment technology.Physical-chemical process mainly includes hyperfiltration and absorption method.
1.1 hyperfiltration
Hyperfiltration is the selective penetrated property using reverse osmosis membrane, and waste water is separated and purified, mainly for separating of
Dissolved matter in water.Handled again with FSJ42-1.22 type polysulfonamides coiled reverse osmosis membrane after Wastewater Pretreatment, it runs pressure
0.55~0.98MPa of power, 0.6~0.7m of fresh water flux3/ h, water outlet TDS ＜ 42mg/L, COD ＜ 5mg/L, hardness ＜ 80mg/L,
The index such as electrical conductivity ＜ 410 μ S/cm, SS, petroleum-type, volatile phenol, turbidity and colourity is not detected, can as boiler feedwater or
Process water source water.
1.2 absorption method
Absorption method is to produce chemistry work between adsorbed material by adsorbent (such as activated carbon, sulfonated coal and resin)
With formation chemical bond causes absorption and removes polluter.With the pretreated butadiene rubber waste water of charcoal absorption, first by water
Handle special-purpose activated charcoal to soak by 5%~10% dilute sulfuric acid of volume fraction, strengthen the adsorption capacity on its surface, then use quality
Fraction soaks for 2%~5% liquor potassic permanganate, strengthens the re-oxidation ability on its surface, enhancement activated carbon absorption tower height 4.5
~5.5m, filtering velocity 10m/h, activated carbon handling using hydraulic conveyor and it is automatic unload water outlet after charcoal device, processing can reach it is cold
But the standard of tower quality of reused water.
2 chemical methods
Chemical method is the chemical characteristic (such as acid-base property, ionization property, oxidation-reduction quality) using polluter to separate and recover
Pollutant in waste water, or change the property of pollutant, it is changed into a kind of harmless method from harmful.
Chemical method mainly includes Coagulation Method, mixed condensed gas flotation process, Ozonation, O3/H2O2Advanced oxidation processes and Fenton examinations
Agent method.
2.1 Coagulation Method
Contain many colloidal substances in synthetic rubber waste water, they are mutually exclusive because carrying certain electric charge, stably divide
It is dispersed in waste water.After the coagulant with opposite charges is added, the electric charge in waste water on colloidal substance, which is neutralized, to be condensed,
Then by the bridging action of macromolecular flocculation aid, small micelle is gathered into big floc sedimentation, can be removed by external force.Using aluminum sulfate as
Coagulant, polyacrylamide are that flocculation aid handles synthetic rubber waste water, in optimal coagulant consumption, pH, temperature and stirring condition
Under, COD clearances are about 37%.
2.2 mixed condensed gas flotation process
At present, most domestic synthetic rubber enterprise uses mixed condensed gas flotation process process for producing waste water.This method is first toward waste water
Middle dosing coagulant and flocculation aid, carry out coagulation and help solidifying intensive treatment, then are squeezed into air floatation machine with pump, will by water sprayer
Dissolved air release is injected dissolved with the recirculation water of compressed air and micro-bubble is formed, and the suspended particulate in waste water is attached to bubble floating
Go out to be scraped with slag-scraper after the water surface and discharged into ash pit.Synthetic rubber waste water is handled with two-stage Bubble-floating Method, wherein one-level is adopted
Device is put with air pocket collection, the floccule body of larger particles is floated on the surface of the water, two grades put device using micro-bubble collection, and molecule is wadded a quilt with cotton
Solidifying body is floated on the surface of the water, and water outlet COD and SS clearance is respectively 40%~45%, 95%~98%.
2.3 Ozonation
Ozone oxidation is very capable (oxidation-reduction potential is only second to fluorine), and larger molecular organicses can be converted into small molecule has
Machine thing simultaneously changes molecular structure, so as to reduce the COD in waste water, improves its biodegradability.Use O3Processing BOD/COD values 0.19,
The sbr wastewater of pH6.5~8.5, COD clearances 70%.
2.4O3/H2O2Advanced oxidation processes
In order to improve ozone utilization rate and oxidability, rising in recent years O3/H2O2High-level oxidation technology.The technology can
Pollutant is directly oxidized to CO2And H2O, its reaction is：H2O2+2O3→ 2OH-+3O.With coagulation+O3/H2O2At group technology
Manage sbr wastewater, its optimum process condition：Coagulation experiment, wastewater pH is that 7, PAC and PAM additions are respectively 400mg/L
And 4mg/L；Catalytic, wastewater pH is 7~8, H2O2Addition is 200mg/L, H2O2With O3Mass ratio be 0.5.Can
Raw water COD is set to be down to 145mg/L from 860mg/L, water outlet reaches national secondary discharge standard.
2.5Fenton reagent methods
Fenton reagent method is a kind of homogeneous catalytic oxidation method, is containing Fe2+ acid solution in add H2O2Shi Huifa
Raw reaction：Fe2++H2O2→Fe3++OH-+·OH；Fe3++H2O2→Fe2++HO2·+H+.The OH free radicals generated in reaction are
Activity very strong oxidant (being only second to fluorine).Fe2+Fe can be finally oxidized to3+, under certain pH, there is Fe (OH)3Colloid, can
The suspension in waste water is reduced, therefore Fenton reagent has oxidation and flocculation concurrently.400mL pull open powders are handled with Fenton methods
Waste water, is separately added into 30%H2O2And 10%FeSO4(being mass fraction) solution 6.0mL, 1.5mL, regulation system pH value is
2.6~2.8,3h is reacted, COD goes drop rate to be 85.0% or so.
3 bioanalysises
Bioanalysis is to utilize microorganism, mainly the metabolism of bacterium, soluble in oxidation, decomposition, absorption waste water
The insoluble organic matter of organic matter and part, and it is converted into harmless stable material so that waste water is obtained only.Bioanalysis master
To include hydrolysis acidification method, activated sludge process, oxidation ditch process and biological contact oxidation process.
3.1 hydrolysis acidification method
Hydrolysis acidification method be it is a kind of between the aerobic method between anaerobism, mainly for the treatment of containing hardly degraded organic substance,
The not high industrial wastewater of biodegradability.It is utilize organic matter anaerobic digestion during the acid fermentation stage the characteristics of, will be some
The larger molecular organicses of difficult degradation are converted into the small organic molecule being easily degraded by microorganisms, so as to improve the biochemical of waste water
Property.Such as handled with hydrolysis acidification along fourth and butadiene-styrene rubber composite waste, when inlet COD loading 0.55kg/m3d and residence time
During 6.7h, water outlet BOD/COD values bring up to 0.56 by the 0.44 of before processing and do not detect styrene, it is ensured that follow-up aerobic process
Treatment effect.
3.2 activated sludge process
Activated sludge process is to utilize the various microorganisms in activated sludge to have very strong absorption and oxidation Decomposition organic matter
Ability handles a kind of method of organic wastewater.Shown with the medium-sized test of traditional activated sludge process processing sbr wastewater,
Influent COD average quality concentration is 801mg/L, and after drum exposure processing, secondary clarifier effluent COD average removal rates are 59.2%.
3.3 oxidation ditch process
Oxidation ditch is also known as " ring aeration tank ", " aerating system of endless ", and its aeration tank is in the irrigation canals and ditches type of closing, dirt
The mixed liquor of water and activated sludge is constantly circulated wherein.It is used as a kind of Activated Sludge Process of innovation, oxidation ditch
Method is not required to set preliminary sedimentation tank and sludge digestion tank, but in terms of BOD is removed than traditional activated sludge process effect more preferably, runs also more
Plus it is reliable and stable.Handled after synthetic rubber waste water is mixed by a certain percentage with sanitary wastewater with oxidation ditch process, BOD clearances
Up to 69%~93%.
3.4 biological contact oxidation process
Biological contact oxidation process is a kind of widely used method of current industrial wastewater biological treatment.Because its load is high, have
Machine thing removal effect is good and turns into the follow-up aerobic treatment process of hydrolysis acidification technique.Synthesis rubber is handled with biological contact oxidation process
Glue waste water, is DO >=2mg/L and residence time 6.7h in 6.6~7.3, gas-water ratio 15: 1, pond in intake 19~33 DEG C of water temperature, pH
When, water outlet COD and BOD average removal rate are respectively 83.7%, 89.6%.
Synthetic rubber waste water is a kind of larger waste water of intractability, individually using physical-chemical process, chemical method or biology
Method processing, effect is not ideal, and waste water is difficult to qualified discharge.Recent study personnel attempt by three kinds of Combination of Methods using and take
Obtain good result.Neoprene wastewater is handled with SBR- anthracites-quartz sand double-layer filter material filtering-active carbon absorption technology,
As a result show, when influent COD is 1020mg/L or so, optimal water inlet phase 1h, reaction phase 4h, precipitation phase 2h, drainage period 0.5h, spare time
Put phase 0h, aeration and use non-Limited Aeration, water outlet COD, turbidity, colourity are down to below 40mg/L, 0.75NTU and 0, can returned respectively
For producing.With coagulant precipitation-hydrolysis acidification-catalytic oxidation-sand filtration PROCESS FOR TREATMENT sbr wastewater, COD, BOD and SS
Clearance respectively 95%, 95% and more than 70%, its water quality parameter reaches that GB8978-1996 composite wastewaters one-level is arranged
Standard is put, Treated sewage reusing can be realized on existing apparatus.Therefore, can be more using biology+physical-chemical process or chemical treatment efficiency
Plus improve.
According to narration above, it can be appreciated that although synthetic rubber processing wastewater treatment process is till now
Through comparative maturity, but handled in synthesis processing waste water on this field, many problems are still suffered from, only by single handling process
It is difficult to make water outlet qualified discharge to be, it is necessary to integrated to the progress of existing technique, using the method for kinds of processes Combined Treatment,
Energy qualified discharge, even turns waste into wealth, realizes the purpose of comprehensive utilization of resources.If having grasped above technology, synthetic rubber
A kind of real technique is simple, easy to operate, processing is thorough, save the energy and processing side with low cost with regard to that can find for processing waste water
Method.
Utility model content
The purpose of this utility model is to provide a kind of synthetic rubber processing waste water processing unit, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the utility model provides following technical scheme：
A kind of synthetic rubber processing waste water processing unit, including sump, setting pot, reaction tank, flotation tank, grille well,
Regulating reservoir, hydrolytic tank, A ponds, O ponds, second pond, clear water reserviors, carbon filter tank, drainage well and sludge concentration tank, the sump, sand setting
Pond, oil interceptor, reaction tank, flotation tank composition production waste water pretreatment system, grille well, regulating reservoir composition technique waste water and life
Pretreatment system for sewage, hydrolytic tank, A ponds, O ponds, second pond composition biochemical treatment system, clear water reserviors, carbon filter tank, draining well construction
Materialization is checked on processing system；The sump connection production waste water drain outlet, the output end of sump is connected to setting pot, sunk
Sand pond is provided with upper liquid output end and bottom sludge output end, and the bottom sludge output end of setting pot is connected to sludge condensation
Pond, the upper liquid output end of setting pot is connected to reaction tank, and reaction tank is connected with flotation tank, and the output end of flotation tank is connected to
Regulating reservoir；The grille well is connected with sanitary wastewater output end, and the output end of grille well is connected to regulating reservoir, and the regulating reservoir is also
It is connected with technique waste water output end, the output end connection hydrolytic tank of regulating reservoir, hydrolytic tank is connected to A ponds, A by sewage pump
The output end in pond is connected with O ponds, and the output end in O ponds is connected with second pond, A ponds, O ponds, stretches into blower fan inside second pond
Output channel, second pond is provided with upper liquid output end and bottom sludge output end, second pond bottom sludge output end and dirt
Mud thickener is connected, and second pond upper liquid output end is connected to clear water reserviors or drainage well, the output end connection carbon filter of clear water reserviors
Tank, the output end of carbon filter tank is connected to drainage well.
It is used as further program of the utility model：The inside of the reaction tank is provided with mixer.
It is used as further program of the utility model：The reaction tank is connected with medicine system, and medicine system includes dosing
Bucket and dosing pump, the output end of dosing pump are connected to reaction tank.
It is used as further program of the utility model：Coarse rack is provided with the grille well.
It is used as further program of the utility model：The bottom sludge output end of the setting pot and sludge concentration tank it
Between, between second pond bottom sludge output end and sludge concentration tank be mounted on sludge reflux pump.
It is used as further program of the utility model：The lower output side of the sludge concentration tank passes through sludge pump and pipeline
Blender is connected to dewatering machine, and the upper output terminal of sludge concentration tank is connected to sump.
Compared with prior art, the utility model is combined using kinds of processes and synthesis rubber processing waste water is handled,
It can not only ensure that standard water discharge is discharged, additionally it is possible to turn waste into wealth, realize comprehensive utilization of resources, also, whole processing procedure work
Skill is simple, easy to operate, processing is thorough, save the energy and with low cost.
Brief description of the drawings
Fig. 1 is the process chart of synthetic rubber processing waste water processing unit and method.
In figure：1- sumps, 2- setting pots, 3- reaction tanks, 4- flotation tanks, 5- grille wells, 6- regulating reservoirs, 7- hydrolytic tanks,
8-A ponds, 9-O ponds, 10- second ponds, 11- clear water reserviors, 12- carbon filter tank, 13- drainage wells, 14- sludge concentration tanks.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of the utility model protection.
Referring to Fig. 1, in the utility model embodiment, a kind of synthetic rubber processing waste water processing unit, including sump
1st, setting pot 2, reaction tank 3, flotation tank 4, grille well 5, regulating reservoir 6, hydrolytic tank 7, A ponds 8, O ponds 9, second pond 10, clear water reserviors
11st, carbon filter tank 12, drainage well 13 and sludge concentration tank 14, the sump 1, setting pot 2, reaction tank 3, the composition life of flotation tank 4
Produce waste water pretreatment system, grille well 5, the composition technique waste water of regulating reservoir 6 and sanitary sewage pretreatment system, hydrolytic tank 7, A ponds
8th, O ponds 9, the composition biochemical treatment system of second pond 10, clear water reserviors 11, carbon filter tank 12, the composition materialization of gully 13 are checked on processing system
System；The connection of the sump 1 production waste water drain outlet, the output end of sump 1 is connected to setting pot 2, and setting pot 2 is provided with
Upper liquid output end and bottom sludge output end, the bottom sludge output end of setting pot 2 are connected to sludge concentration tank 14, sand setting
The upper liquid output end in pond 2 is connected to reaction tank 3, and reaction tank 3 is connected with flotation tank 4, and the output end of flotation tank 4 is connected to tune
Save pond 6；The grille well 5 is connected with sanitary wastewater output end, and the output end of grille well 5 is connected to regulating reservoir 6, the regulating reservoir
6 are also connected with technique waste water output end, and the output end connection hydrolytic tank 7 of regulating reservoir 6, hydrolytic tank 7 is connected by sewage pump
To A ponds 8, the output end in A ponds 8 is connected with O ponds 9, and the output end in O ponds 9 is connected with second pond 10, A ponds, O ponds, inside second pond
The output channel of blower fan is stretched into, second pond 10 is provided with upper liquid output end and bottom sludge output end, second pond 10
Bottom sludge output end is connected with sludge concentration tank 14, and the upper liquid output end of second pond 10 is connected to clear water reserviors 11 or drainage well
13, the output end connection carbon filter tank 12 of clear water reserviors 11, the output end of carbon filter tank 12 is connected to drainage well 13.
The inside of the reaction tank 3 is provided with mixer.
The reaction tank 3 is connected with medicine system, and medicine system includes medicine-adding bin and dosing pump, and the output end of dosing pump connects
It is connected to reaction tank.
Coarse rack is provided with the grille well 5.
Between the bottom sludge output end and sludge concentration tank 14 of the setting pot 3, the bottom sludge output end of second pond 10
Sludge reflux pump is mounted between sludge concentration tank 14.
The lower output side of the sludge concentration tank 14 is connected to dewatering machine, sludge by sludge pump and pipe-line mixer
The upper output terminal of concentration basin is connected to sump 1.
The method for carrying out synthetic rubber processing waste water processing using above-mentioned machinery, comprises the following steps：
The first step, wastewater produced by synthetic rubber enter sump 1 by pipeline self, collect certain water and reach after liquid level by
Elevator pump is promoted to setting pot 2, and will produce the larger inorganic matter precipitation of particle in waste water by setting pot 2 falls, containing phenyl ring and
The upper strata waste water of the larger molecular organicses such as heterocycle reacts into reaction tank 3, enter back into the air supporting of flotation tank 4 remove waste water in phenyl ring and
The colloidal substance of the larger molecular organicses such as heterocycle；
Second step, the sanitary sewage of plant area enter grille well 5, using the coarse rack in grille well 5 that diameter in sewage is big
Fall in 2cm rubbish filtering, then gravity flows into regulating reservoir 6 together with above-mentioned production waste water and technique waste water；
3rd step, the comprehensive wastewater of regulating reservoir 6 are pumped into hydrolytic tank 7 by elevator pump, and waste water passes through anaerobic hydrolysis, anaerobic bacteria
Larger molecular organicses are degraded to small organic molecule, subsequently into A ponds 8 and O ponds 9, is decomposed and absorbed and aerobic by anaerobic bacteria
Bacterium is fully oxidized, by the further oxidation Decomposition of small organic molecule and absorbs；
4th step, the water gravity treated by A ponds 8, O ponds 9 flow into second pond 10 and precipitated, and it is dense that lower floor's sludge enters sludge
Contracting pond 14, upper strata clear water such as handles up to standard, then is directly discharged into sewage network, such as water outlet can not be up to standard, then water outlet passes through centrifugal pump
It is pumped into after carbon filter tank 12 is further filtered and enters clear water reserviors 11；
Water in 5th step, clear water reserviors 11 flows into drainage well qualified discharge.
Production waste water initially enters sump, is then successively promoted to setting pot by elevator pump, then after setting pot is precipitated
Gravity flows into reaction tank and flotation tank, can enter grille well and regulation together with technique waste water and sanitary sewage after flotation tank outflow
Composite waste, hydrolytic tank, A ponds, O ponds and second pond are promoted to by elevator pump in regulating reservoir by pond successively, then gravity is flowed into clearly
Pond, and be pumped into by centrifugal pump after the filtering of carbon filter tank, discharged finally by drainage well, it is ensured that synthetic rubber processing waste water exists
Processing system obtains sufficiently effective reaction and processing.
The utility model is combined using kinds of processes to be handled synthesis rubber processing waste water, can not only ensure water outlet
Qualified discharge, additionally it is possible to turn waste into wealth, realizes comprehensive utilization of resources, also, whole processing procedure technique it is simple, easy to operate,
Processing is thorough, save the energy and with low cost.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can realize that this practicality is new in other specific forms
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (6)
1. a kind of synthetic rubber processing waste water processing unit, it is characterised in that including sump, setting pot, reaction tank, air supporting
Pond, grille well, regulating reservoir, hydrolytic tank, A ponds, O ponds, second pond, clear water reserviors, carbon filter tank, drainage well and sludge concentration tank, it is described
Sump, setting pot, oil interceptor, reaction tank, flotation tank composition production waste water pretreatment system, grille well, regulating reservoir composition work
Skill waste water and sanitary sewage pretreatment system, hydrolytic tank, A ponds, O ponds, second pond composition biochemical treatment system, clear water reserviors, carbon filter
Tank, gully composition materialization are checked on processing system；The sump connection production waste water drain outlet, the output end of sump connects
Setting pot is connected to, setting pot is provided with upper liquid output end and bottom sludge output end, the bottom sludge output end of setting pot
Sludge concentration tank is connected to, the upper liquid output end of setting pot is connected to reaction tank, and reaction tank is connected with flotation tank, flotation tank
Output end be connected to regulating reservoir；The grille well is connected with sanitary wastewater output end, and the output end of grille well is connected to regulation
Pond, the regulating reservoir is also connected with technique waste water output end, and the output end connection hydrolytic tank of regulating reservoir, hydrolytic tank is carried by sewage
Rise pump and be connected to A ponds, the output end in A ponds is connected with O ponds, and the output end in O ponds is connected with second pond, A ponds, O ponds, inside second pond
The output channel of blower fan is stretched into, second pond is provided with upper liquid output end and bottom sludge output end, second pond bottom
Sludge output end is connected with sludge concentration tank, and second pond upper liquid output end is connected to clear water reserviors or drainage well, clear water reserviors
Output end connects carbon filter tank, and the output end of carbon filter tank is connected to drainage well.
2. a kind of synthetic rubber processing waste water processing unit according to claim 1, it is characterised in that the reaction tank
Inside is provided with mixer.
3. a kind of synthetic rubber processing waste water processing unit according to claim 1, it is characterised in that the reaction tank with
Medicine system is connected, and medicine system includes medicine-adding bin and dosing pump, and the output end of dosing pump is connected to reaction tank.
4. a kind of synthetic rubber processing waste water processing unit according to claim 1, it is characterised in that in the grille well
Provided with coarse rack.
5. a kind of synthetic rubber processing waste water processing unit according to claim 1, it is characterised in that the setting pot
Dirt is mounted between bottom sludge output end and sludge concentration tank, between second pond bottom sludge output end and sludge concentration tank
Mud reflux pump.
6. a kind of synthetic rubber processing waste water processing unit according to claim 1, it is characterised in that the sludge condensation
The lower output side in pond is connected to dewatering machine, the upper output terminal connection of sludge concentration tank by sludge pump and pipe-line mixer
To sump.
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| CN201621413915.6U CN206447722U (en) | 2016-12-22 | 2016-12-22 | A kind of synthetic rubber processing waste water processing unit |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275833A (en) * | 2018-01-23 | 2018-07-13 | 北京首创清源环境科技有限公司 | A kind of sustainable ecological wastewater treatment system |
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2016
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108275833A (en) * | 2018-01-23 | 2018-07-13 | 北京首创清源环境科技有限公司 | A kind of sustainable ecological wastewater treatment system |
| CN108275833B (en) * | 2018-01-23 | 2024-01-05 | 北京首创清源环境科技有限公司 | Sustainable ecological sewage treatment system |
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