CN108751278A - A kind of process for purification and equipment of phenol wastewater - Google Patents
A kind of process for purification and equipment of phenol wastewater Download PDFInfo
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- CN108751278A CN108751278A CN201810538438.3A CN201810538438A CN108751278A CN 108751278 A CN108751278 A CN 108751278A CN 201810538438 A CN201810538438 A CN 201810538438A CN 108751278 A CN108751278 A CN 108751278A
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- 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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/34—Organic compounds containing oxygen
- C02F2101/345—Phenols
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- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
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- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
- Production Of Liquid Hydrocarbon Mixture For Refining Petroleum (AREA)
Abstract
The invention belongs to biomass energy trans-utilization and field of environment protection, are related to a kind of process for purification and equipment of phenol wastewater, include the following steps：Step 1: being crushed waste plastics using pulverizer, often handles the water phase of 1L bio oils or industrial wastewater needs to use the waste plastics of 3-10kg；Step 2: carrying out vacuum pyrolysis processing, the steam after being pyrolyzed in vacuum pyrolysis reactor；The pressure of vacuum pyrolysis is 5-15kPa, and heating rate is 10-50 DEG C/min, and warming temperature is 500-600 DEG C；Step 3: steam is activated using discharge of plasma in low temperature reactor, high active substance is obtained；The discharge voltage of discharge of plasma in low temperature reactor is 15-20kV, discharge frequency 8-12kHz when activation；Step 4: high active substance to be passed through to the water phase or industrial wastewater of bio oil, high active substance reacts with phenols.It can be realized using plastic refuse and be refined to the aldehydes matter in industrial wastewater.
Description
Technical field
The invention belongs to biomass energy trans-utilization and field of environment protection, are related to the process for purification of industrial wastewater, more
It is specifically related to the process for purification of water phase after bio-oil upgrading separation, is related to a kind of process for purification of phenol wastewater in detail and sets
It is standby.
Background technology
Biomass energy develops and uses it and is changing as the regenerative resource that can be uniquely directly changed into carbonaceous liquid fuel
Today that stone fuel increasingly depleted and environment deteriorate increasingly becomes more and more important.Biomass pyrolysis oil (calling bio oil in the following text) conduct
A kind of primary fuel, in physics and chemistry properties, there are obvious shortcomings, it is necessary to it is modified it is refined, to improve the product of bio oil
Matter.Currently, refined method of modifying mainly has the methods of catalytic pyrolysis, catalytic hydrogenation and catalytic esterification, wherein catalytic pyrolysis is refined
Method security is higher, and reaction condition is relatively mild, by the extensive concern of domestic and foreign scholars.Primary bio oil is urged through molecular sieve
After changing cracking upgrading, gained liquid product can occur obviously to be layered, and upper layer is oil-phase product, mainly based on hydrocarbons, under
Layer is water phase, contains the organic matter compared with multiple types in water phase.Most of organic matter in oil-phase product and water-phase product can pass through
Extraction and separation extraction separation, the organic matter of separation can directly or indirectly be used as fuel.
Still contain the residual organic matter based on phenols but after extraction and separation, in water phase, phenolic compound belongs to toxicity and (causes
Cancer rate) higher organic pollution, but contain a large amount of hydroxyl in phenols, hydroxyl has stronger hydrophily so that in water phase
Phenols hardly result in and efficiently separate.
But phenols is not only present in the water phase of bio oil in industry manufacture, is also widely present in petrochemical industry, printing and dyeing, pesticide etc.
Industry generate industrial wastewater in, since aldehydes matter is unable to get effective phenols in trade effluent, make surface water easily by
To pollution.
In the prior art, the trans-utilization research for phenols in the water phase of bio oil is less, and few quantifier elimination focuses mostly on
?：One, esterification in aqueous phase detaches, and a kind of recycling bio oil as disclosed in Chinese patent CN104628558A adds organic acid in hydrogen water phase
Ultrasonic wave added esterification coupling extracting process, it is characterised in that be as follows：It is 1 to take mass ratio:2~4:1 it is organic molten
Agent and bio oil add hydrogen aqueous mixture, and the ratio between addition and organic acid mole are 1 after being heated to 60 DEG C:1~1:3 nothing
Water-ethanol, and the inorganic acid catalyst or solid acid catalyst for esterification reaction of organic acid mole 10% is added, it is uniformly mixed；
In the case where supersonic frequency is the Ultrasonic Conditions of 40kHz, 60 DEG C of 2~3h of reaction of holding to reaction terminate；After separation is reacted
Organic layer, Ester are separated and recovered by rectification method from organic layer.Two, chemical extraction etc., such as Chinese patent
CN102976906B discloses a kind of method of the separating phenols from bio oil, is related to one kind and detaching phenol from biomass pyrolysis oil
The method of class.Include the following steps：Bio oil is distilled, 160 DEG C of fractions below are intercepted, aqueous slkali is added and alkalizes
To pH > 10；Alkalizing solution is taken to be extracted with extractant, remaining water phase is acidified with acid after extraction, adds salting liquid, is used
Strippant extracts again, removes organic phase by vacuum distillation, that is, obtains phenol mixture.Three, low temperature plasma skill is utilized
Art carries out the processing of phenol wastewater, is reported and is studied at present, but existing technical method be mainly using low temperature etc. from
Daughter technology generates the active material of strong oxidizing property, is passed directly into waste water or forces oxygenolysis phenolic material using aeration mode
Matter.
Meanwhile industrial method of the improvement containing phenols wastewater is generally divided into the three categories such as physico-chemical process, chemical method, biochemical process,
Wherein, physico-chemical process mainly removes aldehydes matter in the way of absorption, extraction, electric osmose suction, hyperfiltration etc., and chemical rule is mainly led to
It crosses the modes such as precipitation, neutralization, oxidation, electrolysis, photocatalysis and directly removes aldehydes matter.These methods are directed to use oxygen substantially
The chemicals material such as gas, solvent or catalyst, secondary dirt when there are problems that the reprocessing to these materials, while reprocessing
It is higher to contaminate risk.Therefore, it is necessary to develop a kind of novel new method avoided using oxygen, solvent and catalyst.
Invention content
The present invention provides a kind of process for purification and equipment of phenol wastewater, plastic refuse can be utilized to realize to Industry Waste
Aldehydes matter in water is refined.
To realize the above-mentioned technical purpose, the technical solution that the present invention takes is a kind of process for purification of phenol wastewater, including
Following steps：
Step 1: being crushed waste plastics using pulverizer, often handles the water phase of 1L bio oils or industrial wastewater needs to use 3-
The waste plastics of 10kg；
Step 2: carrying out vacuum pyrolysis processing, the steam after being pyrolyzed in vacuum pyrolysis reactor；Vacuum pyrolysis
Pressure is 5-15kPa, and heating rate is 10-50 DEG C/min, and warming temperature is 500-600 DEG C；
Step 3: steam is activated using discharge of plasma in low temperature reactor, high active substance is obtained；It is low when activation
The discharge voltage of isothermal plasma discharge reactor is 15-20kV, discharge frequency 8-12kHz；
Step 4: high active substance to be passed through to the water phase or industrial wastewater of bio oil, high active substance occurs anti-with phenols
It answers.
As the improved technical solution of the present invention, the material of waste plastics is polyethylene or polypropylene.
As the improved technical solution of the present invention, the grain size after waste plastics crushes is 0.1-0.3mm.
It is a further object of the present invention to provide the application process for purification equipment, include the crushing for crushing waste plastics
Machine, vacuum pyrolysis reactor, vacuum pump, discharge of plasma in low temperature reactor and wastewater treatment case；
The inlet communication of vacuum pyrolysis reactor is in the outlet of pulverizer；The outlet of vacuum pyrolysis reactor is in vacuum
The import of pump, the outlet of vacuum pump is in the import of discharge of plasma in low temperature reactor, discharge of plasma in low temperature reaction
The outlet of device is in the import of wastewater treatment case.
As the improved technical solution of the application, vacuum pump pumps for jet type vacuum.
As the improved technical solution of the application, vacuum pump is mechanical vacuum pump.
As the improved technical solution of the application, discharge of plasma in low temperature reactor uses dielectric barrier discharge.
Advantageous effect
The application uses the waste plastics pyrolysis gas activated by discharge of plasma in low temperature, realizes trans-utilization aldehydes matter.
This method does not use any solvent and catalyst, realizes waste plastics trans-utilization synchronous with phenols, the oil slick layer after conversion
Separation, which can be added in refining biological oil oil phase, is used as fuel, further increases the yield of hydrocarbons；Unreacting gas produces
Object is still rich in C2H4Or C3H6, also can be used as gaseous fuel or industrial chemicals.
To sum up, the application has following advantage：1, it avoids using chemical reagent, that is, solvent consumption, loss and two is not present
Secondary pollution；2, the problems such as avoiding using catalyst, that is, catalyst consumption, inactivation loss, regeneration being not present；3, waste plastics has been widened
Recycling approach, realize that solid waste and liquid give up cotransformation；4, the conversion ratio of aldehydes matter is close to 100%.
Description of the drawings
Fig. 1 the application process for purification flow diagrams；
The structural schematic diagram of Fig. 2 the application process for purification equipment；
In figure：1, pulverizer；2, vacuum pyrolysis reactor；3, discharge of plasma in low temperature reactor；4, wastewater treatment case.
Specific implementation mode
It is clearer for the purpose and technical solution that make the embodiment of the present invention, below in conjunction with the attached of the embodiment of the present invention
Figure, is clearly and completely described the technical solution of the embodiment of the present invention.Obviously, described embodiment is of the invention
A part of the embodiment, instead of all the embodiments.Based on described the embodiment of the present invention, those of ordinary skill in the art
The every other embodiment obtained under the premise of without creative work, shall fall within the protection scope of the present invention.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein (including technology art
Language and scientific terminology) there is meaning identical with the general understanding of the those of ordinary skill in fields of the present invention.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
The meaning of heretofore described " connection " can be directly connected to can also be to pass through between component between component
Other components are indirectly connected with.
A kind of water phase of bio oil and the process for purification of phenol wastewater, which is characterized in that include the following steps：
S1：Polyethylene or the waste plastics of polypropylene material are crushed, the grain size after waste plastics crushes in the present embodiment is
0.1-0.3mm, preferably grain size are 0.2mm；The waste plastics of crushing is filled into vacuum pyrolysis reactor,
The ratio of amount of fill and pending waste water is about the pending waste water of (3-10) kg waste plastics ratio 1L, is preferably waited for per 1L
The industrial wastewater of processing or the water phase of bio oil 3kg waste plastics.
S2：So that vacuum pyrolysis reactor internal pressure power is maintained at 5-15kPa using vacuum pumping, then with 10-50 DEG C/
The heating rate of min is warming up to 500-600 DEG C, and waste plastics is pyrolyzed to form steam, and waste plastics is using polyethylene in the application
Or polypropylene material, therefore the steam formed after being pyrolyzed includes mainly ethylene (C2H4) or propylene (C3H6).The present embodiment pressure is selected
10kPa, heating rate select 30 DEG C/min, temperature to select 550 DEG C.
S3：By discharge of plasma in low temperature reactor, (the present embodiment uses medium to pyrolysis gas under the suction of vacuum pump
Barrier discharge type discharge of plasma in low temperature reactor), reaction condition is：Discharge voltage is 15-20kV, discharge frequency 8-
12kHz, pyrolysis gas are activated dissociation, generate high active substance, and high active substance is mainly [CH3]、[CH2], [CH], [H] etc..
S4：The pyrolysis gas that will be enriched in high active substance is passed through in water phase or the waste water of bio oil, high active substance and phenols
It is in contact reaction, hydroxyl is removed in the form of water, while generating the product based on hydro carbons, surface oil slick layer occurs, until
When oil slick layer is not further added by, i.e. conversion reaction terminates.Due to being passed directly into after activation in wastewater treatment case, when a shortening is handled
Between, two keep the activity of high active substance, third, whole device is enable to be in air-tight state.
The reaction principle that high active substance is reacted with phenols is：
In formula：R,R1、R2And R3Different branched groups, predominantly hydrocarbyl group are indicated respectively；Product is not limited to show in formula
Example；And a kind of product can react generation by phenols with one or more kinds of particle fragments.
Phenols described herein refers to all aldehydes matters with one or more hydroxyls on phenyl ring.
In the above method, the vacuum pump can be jet type vacuum pump, can also be mechanical vacuum pump.
To realize above-mentioned process for purification, existing any device and equipment that can realize this method, the present embodiment can be used
Preferably, process for purification equipment, include for crush the pulverizer 1 of waste plastics, vacuum pyrolysis reactor 2, vacuum pump 3,
Discharge of plasma in low temperature reactor 4 and wastewater treatment case 5；Pulverizer, vacuum pyrolysis reactor, vacuum pump, low temperature etc. from
Daughter discharge reactor and the closed connection successively of wastewater treatment case.
The inlet communication of vacuum pyrolysis reactor is in the outlet of pulverizer；The outlet of vacuum pyrolysis reactor is in vacuum
The import of pump, the outlet of vacuum pump is in the import of discharge of plasma in low temperature reactor, discharge of plasma in low temperature reaction
The outlet of device is in the import of wastewater treatment case.
As the improved technical solution of the application, vacuum pump pumps for jet type vacuum.
As the improved technical solution of the application, vacuum pump is mechanical vacuum pump.
As the improved technical solution of the application, discharge of plasma in low temperature reactor uses dielectric barrier discharge.
It has particular application as：
Embodiment 1
After 300g polyethylene (PE) waste plastics is crushed to 0.1mm, it is filled into vacuum pyrolysis reactor, then utilizes vacuum
Pumping makes vacuum pyrolysis reactor internal pressure power be maintained at 5kPa, and begins to warm up waste plastics with the heating rate of 10 DEG C/min,
Final temperature is 500 DEG C and keeps that waste plastics is pyrolyzed to form steam, and pyrolysis gas passes through dielectric barrier discharge type under the suction of vacuum pump
Discharge of plasma in low temperature reactor, discharge of plasma in low temperature reactor is with 15kV high voltages and 8kHz high frequencies to pyrolysis gas
It discharges, part ethylene molecule is activated dissociation in pyrolysis gas, generates CH3、CH2, the high active particle fragment such as CH, H, then
It will be enriched in the water phase that the pyrolysis gas of high active substance is passed through after 100mL bio-oil upgradings, be in contact and react with aldehydes matter,
Its hydroxyl is removed, while generating a small amount of surface oil slick layer, until when oil slick layer is not further added by, i.e. conversion reaction terminates, and stops putting
Electricity.When not being further added by the gas being finally collected into, that is, total overall reaction is completed, closes vacuum pump, stops pyrolysis, wait for whole system
Restore to normal temperature and pressure, detaches oil slick layer and gaseous product.
Organic matter in gaseous product is analyzed using Agilent 7890A types gas-chromatographies (GC)：It was found that C in gained gas2H4
Accounting 56%, CH4Accounting 12%, CO accountings 13%, CO2Accounting 15%, also a small amount of H2、C2H6、H2O etc., total accounting 4%.
Front and back organic matter is refined using Agilent 7890A/5975 types gas chromatography mass spectrometry (GC/MS) analyzer analysis water phase
Type, the results are shown in Table 1 for detection and analysis.Refined front and back detected main organic compound, bio oil are listed in table 1
The 7 kinds of main matters detected in gained water phase after refining spearation belong to phenol organic matter.By the refined conversion of this method
Afterwards, on surface, oil slick layer detects 9 kinds of organic compounds, wherein 8 kinds are hydrocarbons.And in water after the reaction, detect 2
Plant smaller to environmental hazard and more tractable alcohol compound.Experiment shows the present invention to water phase after bio-oil upgrading separation
The conversion ratio of middle aldehydes matter is higher, is 100%；Converted product (oil slick layer) can directly or indirectly be used as fuel applications, into one
Step increases the yield that hydro carbons oil-phase product is produced by biomass；Meanwhile in water remaining a small amount of organic matter harm it is smaller and
It is disposable.
1 water phase of table refines front and back organism kinds
Embodiment 2
After 1000g polypropylene (PP) waste plastics is crushed to 0.1mm, it is filled into vacuum pyrolysis reactor, is then utilized true
Empty pumping makes vacuum pyrolysis reactor internal pressure power be maintained at 15kPa, and begins to warm up useless modeling with the heating rate of 50 DEG C/min
Material, final temperature are 600 DEG C and keep that waste plastics is pyrolyzed to form steam, and pyrolysis gas is put under the suction of vacuum pump by dielectric impedance
The discharge of plasma in low temperature reactor of electric type, discharge of plasma in low temperature reactor is with 20kV high voltages and 12kHz high frequencies pair
Pyrolysis gas discharges, and part ethylene molecule is activated dissociation in pyrolysis gas, generates CH3、CH2, the high active particle such as CH, H it is broken
Piece then will be enriched in the water phase that the pyrolysis gas of high energy active material is passed through after 300mL bio-oil upgradings, occur with aldehydes matter
Haptoreaction removes its hydroxyl, while generating a small amount of surface oil slick layer, until when oil slick layer is not further added by, i.e. conversion reaction knot
Beam stops electric discharge.When not being further added by the gas being finally collected into, that is, total overall reaction is completed, closes vacuum pump, stops pyrolysis,
It waits for that whole system is restored to normal temperature and pressure, detaches oil slick layer and gaseous product.
Organic matter in gaseous product is analyzed using Agilent 7890A types gas-chromatographies (GC)：It was found that C in gained gas3H6
Accounting 58%, C2H4Accounting 8%, CH4Accounting 7%, CO accountings 9%, CO2Accounting 13%, also a small amount of H2、C2H6、C3H8、H2O
Deng total accounting 5%.
Front and back organic matter is refined using Agilent 7890A/5975 types gas chromatography mass spectrometry (GC/MS) analyzer analysis water phase
Type, the results are shown in Table 2 for detection and analysis.Refined front and back detected main organic compound, bio oil are listed in table 2
The 10 kinds of main compounds detected in gained water phase after refining spearation, wherein 8 kinds are phenol organic matter.By the essence of this method
After system conversion, on surface, oil slick layer detects 11 kinds of organic compounds, wherein 9 kinds are hydrocarbons.And in water after the reaction,
Detect 3 kinds smaller to environmental hazard and more tractable alcohol compound.Experiment shows that the present invention detaches bio-oil upgrading
The conversion ratio of aldehydes matter is higher in water phase afterwards, is 100%；Converted product (oil slick layer) can directly or indirectly be used as fuel and use
On the way, the yield that hydro carbons oil-phase product is produced by biomass is further increased；Meanwhile remaining a small amount of organic matter harm in water
It is smaller and disposable.
2 water phase of table refines front and back organism kinds
Embodiment 3
Phenol reagent is added in pure water, the moderate phenol-water solution of compound concentration, the process object as experiment.
After 300g polyethylene (PE) and 300g polypropylene (PP) waste plastics are crushed to 0.1mm mixing, it is filled into Vacuum Heat
Reactor is solved, then so that vacuum pyrolysis reactor internal pressure power is maintained at 10kPa using vacuum pumping, and with the liter of 30 DEG C/min
Warm rate begins to warm up waste plastics, and final temperature is 550 DEG C and keeps that waste plastics is pyrolyzed to form steam, pumping of the pyrolysis gas in vacuum pump
The lower discharge of plasma in low temperature reactor Jing Guo dielectric barrier discharge type is inhaled, discharge of plasma in low temperature reactor is with 18kV high
Voltage and 10kHz high frequencies discharge to pyrolysis gas, and part ethylene and propylene molecules are activated dissociation in pyrolysis gas, generate CH3、
CH2, high active particle fragment, the pyrolysis gas that then will be enriched in high active substance such as CH, H be passed through in 200mL phenol-water solutions, with
Aldehydes matter is in contact reaction, its hydroxyl is removed, while generating a small amount of surface oil slick layer, until when oil slick layer is not further added by,
I.e. conversion reaction terminates, and stops electric discharge.When not being further added by the gas being finally collected into, that is, total overall reaction is completed, closes vacuum
Pump stops pyrolysis, waits for that whole system is restored to normal temperature and pressure, detaches oil slick layer and gaseous product.
Organic matter in gaseous product is analyzed using Agilent 7890A types gas-chromatographies (GC)：It was found that C in gained gas3H6
Accounting 31%, C2H4Accounting 28%, CH4Accounting 10%, CO accountings 7%, CO2Accounting 16%, also a small amount of H2、C2H6、C3H8、H2O
Deng total accounting 8%.
Before and after being reacted using Agilent 7890A/5975 types gas chromatography mass spectrometry (GC/MS) analyzer analysis phenol-water solution
Organism kinds, the results are shown in Table 3 for detection and analysis.Experiment shows that the phenol in aqueous solution can be fully converted to a variety of hydro carbons
Compound is separated from aqueous solution, while remaining few alcohols material in water.
The front and back organism kinds of 3 phenol-water solution of table reaction
To sum up, the scheme of the present embodiment overcomes present in water phase and the trans-utilization of industrial wastewater containing phenol of existing bio oil
Defect, and further widen the recycling approach of waste plastics.
The annual polyethylene in China and the discarded amount of the plastic products of polypropylene material are up to more than 3,000 ten thousand tons, it has also become most important
Its conversion synchronous with phenol wastewater can be produced available fuel or chemicals, for reality by the technical solution of solid refuse, the application
The existing energy and environment sustainable development are of great significance.
It these are only embodiments of the present invention, the description thereof is more specific and detailed, but can not therefore be interpreted as pair
The limitation of the scope of the claims of the present invention.It should be pointed out that for those of ordinary skill in the art, not departing from the present invention
Under the premise of design, various modifications and improvements can be made, these are all belonged to the scope of protection of the present invention.
Claims (7)
1. a kind of process for purification of phenol wastewater, which is characterized in that include the following steps：
Step 1: being crushed waste plastics using pulverizer, often handles the water phase of 1L bio oils or industrial wastewater needs to use 3-10kg
Waste plastics；
Step 2: carrying out vacuum pyrolysis processing, the steam after being pyrolyzed in vacuum pyrolysis reactor；The pressure of vacuum pyrolysis
For 5-15kPa, heating rate is 10-50 DEG C/min, and warming temperature is 500-600 DEG C；
Step 3: steam is activated using discharge of plasma in low temperature reactor, high active substance is obtained；Low temperature etc. when activation
The discharge voltage of plasma discharge reactor is 15-20kV, discharge frequency 8-12kHz；
Step 4: high active substance to be passed through to the water phase or industrial wastewater of bio oil, high active substance reacts with phenols.
2. a kind of process for purification of phenol wastewater according to claim 1, which is characterized in that the material of waste plastics is poly- second
Alkene or polypropylene.
3. a kind of process for purification of phenol wastewater according to claim 1, which is characterized in that the grain size after waste plastics crushing
For 0.1-0.3mm.
4. a kind of process for purification equipment of phenol wastewater as described in any one of claims 1-3, which is characterized in that including being used for
Crush pulverizer, vacuum pyrolysis reactor, vacuum pump, discharge of plasma in low temperature reactor and the wastewater treatment of waste plastics
Case；
The inlet communication of vacuum pyrolysis reactor is in the outlet of pulverizer；The outlet of vacuum pyrolysis reactor is in vacuum pump
Import, the outlet of vacuum pump in the import of discharge of plasma in low temperature reactor, discharge of plasma in low temperature reactor
Outlet is in the import of wastewater treatment case.
5. the process for purification equipment of phenol wastewater according to claim 4, which is characterized in that vacuum pump is that jetting type is true
Sky pump.
6. the process for purification equipment of phenol wastewater according to claim 4, which is characterized in that vacuum pump is mechanical true
Sky pump.
7. the process for purification equipment of phenol wastewater according to claim 4, which is characterized in that discharge of plasma in low temperature
Reactor uses dielectric barrier discharge.
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| CN201810538438.3A CN108751278B (en) | 2018-05-30 | 2018-05-30 | Method and equipment for refining phenol-containing wastewater |
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Citations (3)
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|---|---|---|---|---|
| CN102583697A (en) * | 2012-03-15 | 2012-07-18 | 大连海事大学 | Dielectric barrier discharge water treatment device and dielectric barrier discharge water treatment method |
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| KR20170001803A (en) * | 2015-06-25 | 2017-01-05 | 한국생산기술연구원 | Bio-chemical-producing device, and producing method using the biomass and catalyst |
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2018
- 2018-05-30 CN CN201810538438.3A patent/CN108751278B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102583697A (en) * | 2012-03-15 | 2012-07-18 | 大连海事大学 | Dielectric barrier discharge water treatment device and dielectric barrier discharge water treatment method |
| CN104944654A (en) * | 2015-06-18 | 2015-09-30 | 燕山大学 | Dielectric barrier discharge water treatment reactor and method for treating waste water by adopting same |
| KR20170001803A (en) * | 2015-06-25 | 2017-01-05 | 한국생산기술연구원 | Bio-chemical-producing device, and producing method using the biomass and catalyst |
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