CN105903437A - Graphene sponge treating device and method capable of processing phenolic wastewater in petrochemical engineering - Google Patents
Graphene sponge treating device and method capable of processing phenolic wastewater in petrochemical engineering Download PDFInfo
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- CN105903437A CN105903437A CN201610400979.0A CN201610400979A CN105903437A CN 105903437 A CN105903437 A CN 105903437A CN 201610400979 A CN201610400979 A CN 201610400979A CN 105903437 A CN105903437 A CN 105903437A
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- wastewater
- graphene sponge
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- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title claims abstract description 78
- 229910021389 graphene Inorganic materials 0.000 title claims abstract description 72
- 239000002351 wastewater Substances 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 36
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 49
- 239000000945 filler Substances 0.000 claims abstract description 25
- 238000003795 desorption Methods 0.000 claims abstract description 20
- 230000008929 regeneration Effects 0.000 claims abstract description 16
- 238000011069 regeneration method Methods 0.000 claims abstract description 16
- 229920006395 saturated elastomer Polymers 0.000 claims abstract description 12
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 8
- 231100000719 pollutant Toxicity 0.000 claims abstract description 8
- 239000006096 absorbing agent Substances 0.000 claims description 92
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 16
- 239000010865 sewage Substances 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 10
- 230000008676 import Effects 0.000 claims description 7
- 150000001336 alkenes Chemical class 0.000 claims description 6
- 239000004575 stone Substances 0.000 claims description 6
- 150000002989 phenols Chemical class 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims 1
- 239000010439 graphite Substances 0.000 claims 1
- 238000001179 sorption measurement Methods 0.000 abstract description 14
- 239000011229 interlayer Substances 0.000 abstract description 5
- 238000004064 recycling Methods 0.000 abstract description 2
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 239000000463 material Substances 0.000 description 12
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 description 6
- 239000010410 layer Substances 0.000 description 6
- 239000003463 adsorbent Substances 0.000 description 5
- 239000008346 aqueous phase Substances 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- 230000005408 paramagnetism Effects 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003672 processing method Methods 0.000 description 2
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 239000005057 Hexamethylene diisocyanate Substances 0.000 description 1
- 229920000877 Melamine resin Polymers 0.000 description 1
- ZJCCRDAZUWHFQH-UHFFFAOYSA-N Trimethylolpropane Chemical compound CCC(CO)(CO)CO ZJCCRDAZUWHFQH-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 238000005411 Van der Waals force Methods 0.000 description 1
- 229910021536 Zeolite Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003610 charcoal Substances 0.000 description 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 235000011187 glycerol Nutrition 0.000 description 1
- RRAMGCGOFNQTLD-UHFFFAOYSA-N hexamethylene diisocyanate Chemical compound O=C=NCCCCCCN=C=O RRAMGCGOFNQTLD-UHFFFAOYSA-N 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- JDSHMPZPIAZGSV-UHFFFAOYSA-N melamine Chemical compound NC1=NC(N)=NC(N)=N1 JDSHMPZPIAZGSV-UHFFFAOYSA-N 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920000570 polyether Polymers 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000002594 sorbent Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000010457 zeolite Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28002—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their physical properties
- B01J20/28009—Magnetic properties
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention relates to a graphene sponge treating device and method capable of processing phenolic wastewater in petrochemical engineering. According to the technical scheme, a first adsorber is used for adsorbing phenolic wastewater at first and stops adsorbing after adsorption is saturated, then, wastewater is introduced into a second adsorber to be treated, at the same time, the first adsorber carries out desorption and regeneration, the second adsorber is stopped being used after adsorption saturation is approximately reached, wastewater is introduced into the first adsorber, and recycling is achieved; wastewater to be treated flows into graphene sponge filler through a water distributor, the graphene sponge filler adsorbs pollutant in the wastewater, and the treated wastewater flows out of the bottoms of the adsorbers; after desorption of the adsorbers is saturated, and desorption and regeneration can be achieved through the hot air method. The graphene sponge treating device and method have the advantages that higher adsorption capability is obtained, the problem that interlayer agglomeration is likely to be caused to two-dimensional graphene sheets is solved, the graphene macrostructure is easy to recycle after being used in the water phase, and secondary pollution possibly caused to the environment is lowered.
Description
Technical field
The present invention relates to processing means and the method for phenol wastewater in a kind of petrochemical industry, stone can be processed particularly to one
The graphene sponge processing means of phenol wastewater and method in oiling work.
Background technology
Along with industrial expansions such as petrochemical industry, oil refining, plastics, the kind of the phenol wastewater of discharge increases day by day with quantity
Add, the mankind are defined huge threat.Absorption method is to utilize in adsorbent waste water certain or several pollutant, in order to return
Receive or remove them, so that the method that waste water is purified.During absorption method Phenol-Containing Wastewater Treatment, have high treating effect, can
Reclaim useful material and advantage, therefore constantly the improving and new along with existing performance of the adsorbent such as adsorbent is reusable
Succeeding in developing of type adsorbent, absorption method application prospect in phenolic waste water processes will be more wide.So, study novel height
Effect sorbing material, for improving adsorption recovery process, increases its adsorption efficiency, reduces its cost significant.At present, can be used for
The active charcoal of adsorbent, resin, zeolite and the material etc. of other absorbable phenol polluters that phenolic waste water processes, its
In be most widely used is activated carbon.But, traditional activated carbon of sorbent also exists when adsorbing the organic matter in waste water
The problems such as adsorption capacity is limited, regeneration is difficult, non-refractory, production cost are higher.Graphene is a kind of high of rising in recent years
Effect carbon back sorbing material, has bigger specific surface area, good chemical stability, has compared with other tradition sorbing materials
Higher adsorption capacity, is with a wide range of applications in terms of waste water adsorption treatment.And graphene sponge solves two dimension
The difficult problem that graphene film interlayer is easily reunited, and Graphene macrostructure use in aqueous phase after be easily recycled, reduce its may
The secondary pollution that environment is brought.
Summary of the invention
The purpose of the present invention is aiming at the drawbacks described above that prior art exists, it is provided that one can process in petrochemical industry and contain
The graphene sponge processing means of phenol waste water and method, Graphene has bigger specific surface area, good chemical stability, with
Other tradition sorbing materials are compared and are had higher adsorption capacity, and graphene sponge to solve two-dimensional graphene sheet interlayer easy
The difficult problem reunited, and Graphene macrostructure use in aqueous phase after be easily recycled, reduce that environment may bring by it two
Secondary pollution.
A kind of graphene sponge processing means processing phenol wastewater in petrochemical industry that the present invention mentions, its technical side
Case is: include oil-polluted water water inlet pipe (1), water pump (2), the first absorber (3), condenser (4), oil water separator (5), fuel-displaced
Pipe (6), outlet pipe (7), the second absorber (8), hot water and steam inlet pipe (9), sewage efferent duct (10), in the first absorber (3)
Right side be provided with the second absorber (8), the top left hand of the first absorber (3) by pipeline connect oil-polluted water water inlet pipe (1),
The top left hand of the second absorber (8) connects through pipeline and connects oil-polluted water water inlet pipe (1), in oil-polluted water water inlet pipe (1)
It is provided with water pump (2), on the right side of the top of the first absorber (3), connects condenser (4), the top of the second absorber (8) by pipeline
Connect condenser (4) by pipeline on the right side of end, connect oil water separator (5), oil water separator (5) on the right side of condenser (4)
Right side connect flowline (6), the bottom of oil water separator (5) connects outlet pipe (7), the bottom left of the first absorber (3)
Connecting sewage efferent duct (10) by pipeline, the bottom left of the second absorber (8) connects sewage efferent duct (10) by pipeline,
The bottom right of the first absorber (3) connects hot water and steam inlet pipe (9) by pipeline, and the bottom right of the second absorber (8) leads to
Cross pipeline and connect hot water and steam inlet pipe (9).
Above-mentioned the first absorber (3) includes absorber body (3.1), blast pipe (3.2), wastewater inlet (3.3), water distribution
Device (3.4), hold-down grid (3.5), graphene sponge filler (3.6), supporting plate (3.7), outlet of sewer (3.8), hot water
Steam inlet (3.9), the top left side at absorber body (3.1) is provided with wastewater inlet (3.3), in absorber body (3.1)
Top on the right side of be provided with blast pipe (3.2), in absorber body (3.1) middle part be provided with graphene sponge filler (3.6), at stone
The top of ink alkene sponge filler (3.6) is provided with hold-down grid (3.5), is provided with water-locator on the top of hold-down grid (3.5)
(3.4), it is provided with supporting plate (3.7) in the bottom of graphene sponge filler (3.6), in the bottom of absorber body (3.1)
Left side is provided with outlet of sewer (3.8), is provided with hot water and steam import (3.9) at absorber body (3.1) bottom right.
The structure of above-mentioned second absorber (8) is identical with the structure of the first absorber (3), described water-locator (3.4) with
(3.3) lower end of wastewater inlet is connected by pipeline, and the upper end of wastewater inlet (3.3) connects oil-polluted water water inlet pipe (1), described
Outlet of sewer (3.8) connect sewage efferent duct (10), described hot water and steam import (3.9) connects hot water and steam inlet pipe (9),
Described graphene sponge filler (3.6) is the graphene sponge of 3 ~ 5cm.
A kind of graphene sponge processing method processing phenol wastewater in petrochemical industry that the present invention mentions, including following
Step:
Multiple stage circulation processes waste water: the first first absorber is used for adsorbing phenol wastewater, stops using when adsorbing saturated, then will
Waste water accesses the second absorber and processes, and meanwhile first absorber carries out desorption and regeneration, and the second absorber absorption connects
Near saturated time stop using, then waste water is accessed the first absorber, recycle；Pending waste water flows into stone by water-locator
Ink alkene sponge filler, after the pollutant in waste water is adsorbed by graphene sponge filler, the waste water after process is from the bottom of absorber
Flow out；
Desorption and regeneration processes: after absorber absorption is saturated, can be by hot-air desorption method by the phenols in graphene sponge and dirt
Dye thing desorption and regeneration, then can re-use, and when absorber carries out desorption and regeneration, hot steam enters from the bottom of absorber,
Pollutant in graphene sponge is desorbed and takes out of, re-use.
The invention has the beneficial effects as follows: Graphene has bigger specific surface area, good chemical stability, pass with other
System sorbing material is compared and is had higher adsorption capacity, by Fe3O4 nanometer particle load between graphene sheet layer, and can be effective
Avoid the reunion of graphene sheet layer, increase adsorption capacity, and make sorbing material have paramagnetism, separate and recover convenient,
After graphene sponge solves the difficult problem that two-dimensional graphene sheet interlayer is easily reunited, and Graphene macrostructure uses in aqueous phase
It is easily recycled；The multiple stage circulation additionally used processes waste water and desorption and regeneration processes technique, and can effectively reduce it may be right
The secondary pollution that environment brings.
Accompanying drawing explanation
Accompanying drawing 1 is the structural representation of the present invention；
Accompanying drawing 2 is the structural representation of the first absorber；
In upper figure: oil-polluted water water inlet pipe 1, water pump the 2, first absorber 3, condenser 4, oil water separator 5, flowline 6, water outlet
Pipe the 7, second absorber 8, hot water and steam inlet pipe 9, sewage efferent duct 10, absorber body 3.1, blast pipe 3.2, wastewater inlet
3.3, water-locator 3.4, hold-down grid 3.5, graphene sponge filler 3.6, supporting plate 3.7, outlet of sewer 3.8, hot water steam
Vapor inlet 3.9.
Detailed description of the invention
In conjunction with attached Fig. 1 and 2, the invention will be further described:
A kind of graphene sponge processing means processing phenol wastewater in petrochemical industry that the present invention mentions, its technical scheme
Be: include oil-polluted water water inlet pipe 1, water pump the 2, first absorber 3, condenser 4, oil water separator 5, flowline 6, outlet pipe 7,
Second absorber 8, hot water and steam inlet pipe 9, sewage efferent duct 10, be provided with the second absorber 8 on the right side of the first absorber 3, the
The top left hand of one absorber 3 connects oil-polluted water water inlet pipe 1 by pipeline, and the top left hand of the second absorber 8 connects through
Pipeline connects oil-polluted water water inlet pipe 1, is provided with water pump 2 on oil-polluted water water inlet pipe 1, logical on the right side of the top of the first absorber 3
Cross pipeline and connect condenser 4, connect condenser 4 by pipeline on the right side of the top of the second absorber 8, connect on the right side of condenser 4
Connecing oil water separator 5, the right side of oil water separator 5 connects flowline 6, the bottom connection outlet pipe 7 of oil water separator 5, and first
The bottom left of absorber 3 connects sewage efferent duct 10 by pipeline, and the bottom left of the second absorber 8 connects dirt by pipeline
Water delivery pipe 10, the bottom right of the first absorber 3 connects hot water and steam inlet pipe 9, the bottom, right of the second absorber 8 by pipeline
Side connects hot water and steam inlet pipe 9 by pipeline.
The first above-mentioned absorber 3 includes absorber body 3.1, blast pipe 3.2, wastewater inlet 3.3, water-locator 3.4, fills out
Material pressing plate 3.5, graphene sponge filler 3.6, supporting plate 3.7, outlet of sewer 3.8, hot water and steam import 3.9, in absorption
The top left side of device body 3.1 is provided with wastewater inlet 3.3, is provided with blast pipe 3.2 on the right side of the top of absorber body 3.1,
In absorber body 3.1, middle part is provided with graphene sponge filler 3.6, is provided with filler pressure on the top of graphene sponge filler 3.6
Plate 3.5, is provided with water-locator 3.4 on the top of hold-down grid 3.5, is provided with packing support plate in the bottom of graphene sponge filler 3.6
Plate 3.7, the bottom left at absorber body 3.1 is provided with outlet of sewer 3.8, is provided with heat at absorber body 3.1 bottom right
Water vapour import 3.9.
The structure of above-mentioned second absorber 8 is identical with the structure of the first absorber 3, and described water-locator 3.4 enters with sewage
3.3 lower ends of mouth are connected by pipeline, and the upper end of wastewater inlet 3.3 connects oil-polluted water water inlet pipe 1, described outlet of sewer
3.8 connect sewage efferent duct 10, and described hot water and steam import 3.9 connects hot water and steam inlet pipe 9, described graphene sponge filler
3.6 is the graphene sponge of 3 ~ 5cm.
It addition, the graphene sponge that the present invention mentions is using melamine nanosponges as template, utilizes Graphene and have
The effect of Van der Waals force stronger between machine macromolecule, load Graphene prepares graphene sponge；By Fe3O4 nanometer particle load
Between graphene sheet layer, the reunion of graphene sheet layer can be prevented effectively from, increase adsorption capacity, and make sorbing material have
Paramagnetism, separates and recovers convenient.
It addition, the graphene sponge using another kind of preparation method to make can also be used for this invention, it makes
The weight portion of raw material is: trimethylolpropane polyethers 45 parts, 12 parts of cotton, glycerine 5 parts, hexamethylene diisocyanate 18 parts,
Ca3 (Si3O9) 5-6 part, Graphene 4 parts, 2 parts of urea, dichloromethane 2 parts, ethylene glycol monobutyl ether 5 parts, 8 parts of water, the party's legal system
The recycling number of times of the graphene sponge become, up to more than 20 times, adsorbs saturated rear desorption rate and reaches 96%.
A kind of graphene sponge processing method processing phenol wastewater in petrochemical industry that the present invention mentions, including following
Step:
Multiple stage circulation processes waste water: the first first absorber is used for adsorbing phenol wastewater, stops using when adsorbing saturated, then will
Waste water accesses the second absorber and processes, and meanwhile first absorber carries out desorption and regeneration, and the second absorber absorption connects
Near saturated time stop using, then waste water is accessed the first absorber, recycle；Pending waste water flows into stone by water-locator
Ink alkene sponge filler, after the pollutant in waste water is adsorbed by graphene sponge filler, the waste water after process is from the bottom of absorber
Flow out；
Desorption and regeneration processes: after absorber absorption is saturated, can be by hot-air desorption method by the phenols in graphene sponge and dirt
Dye thing desorption and regeneration, then can re-use, and when absorber carries out desorption and regeneration, hot steam enters from the bottom of absorber,
Pollutant in graphene sponge is desorbed and takes out of, re-use.
Graphene has bigger specific surface area, good chemical stability, has compared with other tradition sorbing materials
Higher adsorption capacity, by Fe3O4 nanometer particle load between graphene sheet layer, can be prevented effectively from the group of graphene sheet layer
Poly-, increase adsorption capacity, and make sorbing material have paramagnetism, separate and recover convenient, graphene sponge solves two
The dimension difficult problem easily reunited of graphene film interlayer, and Graphene macrostructure use in aqueous phase after be easily recycled, reducing it can
The secondary pollution that environment can be brought.
The above, be only the part preferred embodiment of the present invention, and any those of ordinary skill in the art all may profit
Revised or be revised as the technical scheme of equivalent by the technical scheme of above-mentioned elaboration.Therefore, according to the technology of the present invention
Any simple modification that scheme is carried out or substitute equivalents, belong to the greatest extent the scope of protection of present invention.
Claims (4)
1. can process a graphene sponge processing means for phenol wastewater in petrochemical industry, it is characterized in that: include oil-polluted water
Water inlet pipe (1), water pump (2), the first absorber (3), condenser (4), oil water separator (5), flowline (6), outlet pipe (7),
Second absorber (8), hot water and steam inlet pipe (9), sewage efferent duct (10), be provided with the second suction on the right side of the first absorber (3)
Adnexa (8), the top left hand of the first absorber (3) connects oil-polluted water water inlet pipe (1) by pipeline, the second absorber (8)
Top left hand connects through pipeline and connects oil-polluted water water inlet pipe (1), is provided with water pump (2) on oil-polluted water water inlet pipe (1), the
Condenser (4) is connected by pipeline, on the right side of the top of the second absorber (8) by pipeline even on the right side of the top of one absorber (3)
Connecing condenser (4), connect oil water separator (5) on the right side of condenser (4), the right side of oil water separator (5) connects flowline
(6), the bottom of oil water separator (5) connects outlet pipe (7), and the bottom left of the first absorber (3) connects sewage by pipeline
Efferent duct (10), the bottom left of the second absorber (8) connects sewage efferent duct (10) by pipeline, the first absorber (3)
Bottom right connects hot water and steam inlet pipe (9) by pipeline, and the bottom right of the second absorber (8) connects hot water by pipeline and steams
Vapour inlet pipe (9).
The graphene sponge processing means processing phenol wastewater in petrochemical industry the most according to claim 1, its feature
It is: described the first absorber (3) includes absorber body (3.1), blast pipe (3.2), wastewater inlet (3.3), water-locator
(3.4), hold-down grid (3.5), graphene sponge filler (3.6), supporting plate (3.7), outlet of sewer (3.8), hot water steam
Vapor inlet (3.9), the top left side at absorber body (3.1) is provided with wastewater inlet (3.3), at absorber body (3.1)
Being provided with blast pipe (3.2) on the right side of top, in absorber body (3.1), middle part is provided with graphene sponge filler (3.6), at graphite
The top of alkene sponge filler (3.6) is provided with hold-down grid (3.5), is provided with water-locator (3.4) on the top of hold-down grid (3.5),
Being provided with supporting plate (3.7) in the bottom of graphene sponge filler (3.6), the bottom left at absorber body (3.1) sets
There is outlet of sewer (3.8), be provided with hot water and steam import (3.9) at absorber body (3.1) bottom right.
The graphene sponge processing means processing phenol wastewater in petrochemical industry the most according to claim 2, its feature
Being: the structure of described second absorber (8) is identical with the structure of the first absorber (3), described water-locator (3.4) enters with sewage
(3.3) lower end of mouth is connected by pipeline, and the upper end of wastewater inlet (3.3) connects oil-polluted water water inlet pipe (1), described sewage
Outlet (3.8) connects sewage efferent duct (10), and described hot water and steam import (3.9) connects hot water and steam inlet pipe (9), described stone
Ink alkene sponge filler (3.6) is the graphene sponge of 3 ~ 5cm.
4. in the processed petrochemical industry as according to any one of claim 1-3, the graphene sponge of phenol wastewater processes
Method, is characterized in that comprising the following steps:
Multiple stage circulation processes waste water: the first first absorber is used for adsorbing phenol wastewater, stops using when adsorbing saturated, then will
Waste water accesses the second absorber and processes, and meanwhile first absorber carries out desorption and regeneration, and the second absorber absorption connects
Near saturated time stop using, then waste water is accessed the first absorber, recycle；Pending waste water flows into stone by water-locator
Ink alkene sponge filler, after the pollutant in waste water is adsorbed by graphene sponge filler, the waste water after process is from the bottom of absorber
Flow out；
Desorption and regeneration processes: after absorber absorption is saturated, can be by hot-air desorption method by the phenols in graphene sponge and dirt
Dye thing desorption and regeneration, then can re-use, and when absorber carries out desorption and regeneration, hot steam enters from the bottom of absorber,
Pollutant in graphene sponge is desorbed and takes out of, re-use.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610400979.0A CN105903437A (en) | 2016-06-08 | 2016-06-08 | Graphene sponge treating device and method capable of processing phenolic wastewater in petrochemical engineering |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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| CN107720875A (en) * | 2017-11-24 | 2018-02-23 | 山西大学 | The device and method of phenol in a kind of removal water body |
| CN109516622A (en) * | 2018-11-16 | 2019-03-26 | 山东聊城中盛蓝瑞化工有限公司 | The treatment process of high-salt wastewater in a kind of benzyl alcohol production system |
| CN109589720A (en) * | 2018-12-10 | 2019-04-09 | 黄绍荣 | A kind of oil fume eliminator |
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