CN105544488A - Device and method for recycling high-viscosity floating oil - Google Patents

Device and method for recycling high-viscosity floating oil Download PDF

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Publication number
CN105544488A
CN105544488A CN201510998773.8A CN201510998773A CN105544488A CN 105544488 A CN105544488 A CN 105544488A CN 201510998773 A CN201510998773 A CN 201510998773A CN 105544488 A CN105544488 A CN 105544488A
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Prior art keywords
oil slick
high viscosity
hydrophobic material
porous hydrophobic
viscosity oil
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CN201510998773.8A
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CN105544488B (en
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俞书宏
施露安
葛进
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University of Science and Technology of China USTC
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University of Science and Technology of China USTC
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    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02BHYDRAULIC ENGINEERING
    • E02B15/00Cleaning or keeping clear the surface of open water; Apparatus therefor
    • E02B15/04Devices for cleaning or keeping clear the surface of open water from oil or like floating materials by separating or removing these materials
    • E02B15/10Devices for removing the material from the surface
    • E02B15/101Means floating loosely on the water absorbing the oil
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00Water conservation; Efficient water supply; Efficient water use
    • Y02A20/20Controlling water pollution; Waste water treatment
    • Y02A20/204Keeping clear the surface of open water from oil spills

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Environmental & Geological Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Carbon And Carbon Compounds (AREA)

Abstract

The invention provides a device for recycling high-viscosity floating oil. The device comprises a conductive porous hydrophobic material, a heating electrode which is in contact with the conductive porous hydrophobic material and a power supply which is connected to the two ends of the heating electrode. The device for recycling high-viscosity floating oil provided by the invention applies voltage to the power supply, so that the heating electrode is communicated with the power supply to form a loop; after being electrified, the heating electrode releases heat and conducts the heat to the conductive porous hydrophobic material to heat the conductive porous hydrophobic material; the heated conductive porous hydrophobic material is placed on the surface of the high-viscosity floating oil, so that the high-viscosity floating oil is heated up; along with the increase of the temperature, the viscosity of the floating oil is quickly reduced, and the adsorption rate of the conductive porous hydrophobic material to the floating oil can be increased, so that the recovery efficiency of the floating oil is improved. The invention further provides a method for recycling the high-viscosity floating oil. The device disclosed by the technical scheme is utilized to recycle the high-viscosity floating oil.

Description

A kind of device and method reclaiming high viscosity oil slick
Technical field
The present invention relates to skimming technical field, particularly relate to a kind of device and method reclaiming high viscosity oil slick.
Background technology
Oil spilling can cause very large destruction to the ecosystem in ocean and coastline, thus causes the tremendous economic of devastated to lose.Water-oil separating is the difference according to water and oily density contrast or chemical property, and the oil content utilizing sedimentation theory or other physical reactions to complete is separated with moisture content.At present, water-oil separating field receives to be paid close attention to widely and studies, and wherein, on recycle-water, oil slick is a large emphasis of research.Traditional oil slick recovery technology, as the U.S.'s " Environmental science and technology " (Environ.Sci.Technol., 45 phase in 2011 1298 pages) employing Corexit9527 and Corexit9500A two kinds of dispersing agents of reporting by deep-sea oil dispersion in the seawater, avoid the formation of marine floating oil and marine ecology endangered.But the dispersion effect of this method to heavy oil and not volatile fuel oil is poor, the long half time of weathering, and dispersion after oil and dispersing agent also can have an impact to the balance of marine microorganism (" waste management " (WasteManagement, volume the 7th phase nineteen ninety-five 15 515 pages) of the U.S.).The and for example U.S.'s " Environmental science and technology " (Environ.Sci.Technol., 40 phase in 2006 7914 pages) oil slick adheres on cylinder and then struck off by the oil on cylinder by the employing oil skimmer reported, oil slick can not be cleaned out by this method completely, and equipment is complicated, disposal ability is very limited.
Sponge is owing to having three-dimensional porous structure and stronger mechanical performance, become the important materials for water-oil separating, such as, Germany " applied chemistry " (AngewandteChemieInternationalEdition, 53 phase in 2014 3612 pages) report a kind of hydrophobic oleophilic oil sponge utilizing hydrophobic nano SiO 2 particle and dimethyl silicone polymer to be prepared by infusion process, be connected with pump by this sponge, the pressure produced by pump achieves the effect of continuous in-situ skimming.But this sponge material can only reclaim low viscous oil slick, the high viscosity oil slick that viscosity is greater than 100mPas can not be reclaimed, but about have the oil spilling of 40% to be high viscosity oil in the world, therefore be badly in need of the method for a kind of effective recovery high viscosity oil slick of development.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of device and method reclaiming high viscosity oil slick, the efficiency of the device and method recovery high viscosity oil slick of recovery high viscosity oil slick provided by the invention is higher.
The invention provides a kind of device reclaiming high viscosity oil slick, comprising:
Conductive porous hydrophobic material;
The heating electrode contacted with described conductive porous hydrophobic material;
The power supply be connected with described heating electrode.
Preferably, described conductive porous hydrophobic material is the porous hydrophobic material of coated graphite alkene.
Preferably, described porous hydrophobic material is sponge or cotton class material.
Preferably, described porous hydrophobic material is melamine sponge or mineral wool.
Preferably, in the porous hydrophobic material of described coated graphite alkene, the content of Graphene is 0.045mg/cm 3~ 0.055mg/cm 3.
Preferably, described heating electrode is copper, carbon or graphite.
Preferably, the device of described recovery high viscosity oil slick also comprises the oil slick equipment leading out be communicated with described conductive porous hydrophobic material.
Preferably, described oil slick equipment leading out is mechanical pump or extrusion equipment.
The course of work of the device of recovery high viscosity oil slick provided by the invention is: apply voltage to the power supply reclaimed in the device of high viscosity oil slick, power supply is communicated with formation loop with heating electrode, heating electrode produces heat, and by heat conduction to conductive porous hydrophobic material, conductive porous hydrophobic material is placed on high viscosity oil slick surface, high viscosity oil slick can be adsorbed onto in conductive porous hydrophobic material.The device of recovery high viscosity oil slick provided by the invention, adopt the conductive porous hydrophobic material absorption high viscosity oil slick with conduction and hydrophobic oleophilic oil double properties, and by heating electrode, auxiliary heating is carried out to conductive porous hydrophobic material, after conductive porous hydrophobic material contact high viscosity oil slick, the temperature of high viscosity oil slick is raised, high viscosity oil slick viscosity under the condition that temperature is higher reduces rapidly, thus add the water-oil separating efficiency of conductive porous hydrophobic material to high viscosity oil slick, adopt the device of recovery high viscosity oil slick provided by the invention to reclaim high viscosity oil slick and there is good oil slick organic efficiency.
The invention provides a kind of method reclaiming high viscosity oil slick, utilize the device of the recovery high viscosity oil slick described in technique scheme to reclaim high viscosity oil slick, comprising:
Voltage is applied to the power supply reclaimed in the device of high viscosity oil slick, after the temperature of conductive porous hydrophobic material raises, conductive porous hydrophobic material is placed on high viscosity oil slick surface, reclaims and obtain oil slick;
Described high viscosity floats oil viscosity > 100mPas.
Preferably, treat that the temperature of conductive porous hydrophobic material is increased to 40 DEG C ~ 120 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface, reclaims and obtain oil slick.
The method of recovery high viscosity oil slick provided by the invention, in the process reclaiming high viscosity oil slick, utilize heating electrode to heat conductive porous hydrophobic material, thus the temperature of high viscosity oil slick is raised, viscosity declines rapidly, add conductive porous hydrophobic material to the adsorbance of high viscosity oil slick and infiltration rate, the method for recovery high viscosity oil slick provided by the invention has good oil slick organic efficiency.Experimental result shows, method provided by the invention reclaims the efficiency > 330g/h of high viscosity oil slick.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the scanning electron microscopic picture of melamine sponge in the embodiment of the present invention 2;
Fig. 2 is the scanning electron microscopic picture of the melamine sponge adhering to redox graphene in the embodiment of the present invention 2;
Fig. 3 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 2 prepares;
Fig. 4 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 3 prepares;
Fig. 5 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 4 prepares;
Fig. 6 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 5 prepares;
Fig. 7 is the scanning electron microscopic picture of the embodiment of the present invention 6 Minerals cotton;
Fig. 8 is the scanning electron microscopic picture of the mineral wool adhering to redox graphene in the embodiment of the present invention 6;
The structural representation of the device of the recovery high viscosity oil slick that Fig. 9 provides for the embodiment of the present invention 7;
The setting drawing of the recovery high viscosity oil slick that Figure 10 provides for the embodiment of the present invention 7;
The method that Figure 11 provides for the embodiment of the present invention 12 reclaims in high viscosity oil slick process and tests the infiltration rate phenogram of high viscosity oil slick on the mineral wool surface of coated graphite alkene obtained;
The setting drawing of the recovery high viscosity oil slick that Figure 12 provides for comparative example 1 of the present invention;
The method that Figure 13 provides for comparative example 6 of the present invention reclaims in high viscosity oil slick process and tests the infiltration rate phenogram of high viscosity oil slick on mineral wool surface obtained.
Detailed description of the invention
Be clearly and completely described to the technical scheme in the embodiment of the present invention below, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The invention provides a kind of device reclaiming high viscosity oil slick, comprising:
Conductive porous hydrophobic material;
The heating electrode contacted with described conductive porous hydrophobic material;
The power supply be connected with described heating electrode.
The device of recovery high viscosity oil slick provided by the invention comprises conductive porous hydrophobic material.In the present invention, described conductive porous hydrophobic material has the double grading of conduction and hydrophobic oleophilic oil.In an embodiment of the present invention, the conductance of described conductive porous hydrophobic material is 0.2S/m ~ 0.3S/m; In other examples, the conductance of described conductive porous hydrophobic material is 0.22S/m ~ 0.28S/m; In a further embodiment, the conductance of described conductive porous hydrophobic material is 0.24S/m ~ 0.26S/m.
In an embodiment of the present invention, the porous hydrophobic material in described conductive porous hydrophobic material is sponge or cotton class material; In other examples, the porous hydrophobic material in described conductive porous hydrophobic material is sponge or mineral wool.In an embodiment of the present invention, described sponge is melamine sponge or polyurethane sponge; In other examples, described sponge is melamine sponge.In an embodiment of the present invention, melamine sponge and mineral wool have good heat resistance, and carrying out heating to it can not cause damage to material, and material is reusable, thus reduce the cost of the device of recovery high viscosity oil slick provided by the invention.
The shape and size of the present invention to described conductive porous hydrophobic material do not have special restriction, meet actual service conditions.In an embodiment of the present invention, the shape of described conductive porous hydrophobic material can be cuboid.In an embodiment of the present invention, the length of described conductive porous hydrophobic material is 1.5cm ~ 2.5cm; In other examples, the length of described conductive porous hydrophobic material is 2cm.In an embodiment of the present invention, the width of described conductive porous hydrophobic material is 1.5cm ~ 2.5cm; In other examples, the width of described conductive porous hydrophobic material is 2cm.In an embodiment of the present invention, the height of described conductive porous hydrophobic material is 2.5cm ~ 3.5cm; In other examples, the height of described conductive porous hydrophobic material is 3cm.
In an embodiment of the present invention, described conductive porous hydrophobic material is the porous hydrophobic material of coated graphite alkene.In an embodiment of the present invention, in the porous hydrophobic material of described coated graphite alkene, the content of Graphene is 0.045mg/cm 3~ 0.055mg/cm 3; In other examples, in the porous hydrophobic material of described coated graphite alkene, the content of Graphene is 0.048mg/cm 3~ 0.052mg/cm 3; In a further embodiment, in the porous hydrophobic material of described coated graphite alkene, the content of Graphene is 0.05mg/cm 3.
In an embodiment of the present invention, the preparation method of the porous hydrophobic material of described coated graphite alkene is:
Porous hydrophobic material is immersed after in graphene oxide solution and carry out centrifugal treating, obtain the porous hydrophobic material adhering to graphene oxide;
Heat after the porous hydrophobic material of described attachment graphene oxide is carried out reduction treatment, obtain the porous hydrophobic material of coated graphite alkene.
In an embodiment of the present invention, porous hydrophobic material is immersed in graphene oxide solution.In the present invention, the kind of described porous hydrophobic material is consistent with the kind of the porous hydrophobic material in hydrophobic material conductive porous described in technique scheme, does not repeat them here.The source of the present invention to described porous hydrophobic material does not have special restriction, can be bought obtain by market.
In an embodiment of the present invention, the solvent in described graphene oxide solution is water.In an embodiment of the present invention, the mass concentration of described graphene oxide solution is 0.5mg/mL ~ 5mg/mL; In other examples, the mass concentration of described graphene oxide solution is 1mg/mL ~ 4mg/mL; In a further embodiment, the mass concentration of described graphene oxide solution is 1.5mg/mL ~ 3.5mg/mL; In a further embodiment, the mass concentration of described graphene oxide solution is 2mg/mL ~ 3mg/mL.
In an embodiment of the present invention, when described porous hydrophobic material is sponge (as melamine sponge), the mass concentration of graphene oxide is 2.5mg/mL ~ 3.5mg/mL; In other examples, when described porous hydrophobic material is sponge (as melamine sponge), the mass concentration of graphene oxide is 2.8mg/mL ~ 3.2mg/mL; In a further embodiment, when described porous hydrophobic material is sponge (as melamine sponge), the mass concentration of graphene oxide is 3mg/mL.In an embodiment of the present invention, when described porous hydrophobic material is mineral wool, the mass concentration of graphene oxide is 1mg/mL ~ 2mg/mL; In other examples, when described porous hydrophobic material is mineral wool, the mass concentration of graphene oxide is 1.2mg/mL ~ 1.8mg/mL; In a further embodiment, when described porous hydrophobic material is mineral wool, the mass concentration of graphene oxide is 1.4mg/mL ~ 1.6mg/mL; In a further embodiment, when described porous hydrophobic material is mineral wool, the mass concentration of graphene oxide is 1.5mg/mL.
In an embodiment of the present invention, the too high meeting of the mass concentration of described graphene oxide solution causes the rate reduction of graphene oxide solution impregnating porous hydrophobic material and wastes graphene oxide solution; The mass concentration of described graphene oxide solution is too low, and the electric conductivity of the porous hydrophobic material of the coated graphite alkene prepared can be made poor.
In an embodiment of the present invention, described graphene oxide solution can prepare by being dissolved in water by graphene oxide.In an embodiment of the present invention, the granularity of described graphene oxide is 5 μm ~ 10 μm; In other examples, the granularity of described graphene oxide is 6 μm ~ 8 μm.In an embodiment of the present invention, the thickness of described graphene oxide is 1nm ~ 10nm; In other examples, the thickness of described graphene oxide is 2nm ~ 8nm; In a further embodiment, the thickness of described graphene oxide is 3nm ~ 6nm.In a preferred embodiment of the invention, the thickness of described graphene oxide is 1nm.The source of the present invention to described graphene oxide does not have special restriction, adopts the technical scheme preparing graphene oxide well known to those skilled in the art to prepare, as graphite flake being prepared into graphene oxide by modifiedhummersmethod.The source of the present invention to described graphite flake does not have special restriction, can be bought obtain by market.
In an embodiment of the present invention, before porous hydrophobic material is immersed graphene oxide solution, can wash porous hydrophobic material.In an embodiment of the present invention, the method for described washing can be ultrasonic cleaning.In an embodiment of the present invention, the time of described washing is 5 minutes ~ 30 minutes; In other examples, the time of described washing is 10 minutes ~ 20 minutes.In an embodiment of the present invention, the reagent of described washing can be one or more in acetone, ethanol and deionized water.In an embodiment of the present invention, porous hydrophobic material can be washed successively in acetone and ethanol.
In enforcement of the present invention, porous hydrophobic material is immersed after in graphene oxide solution and carry out centrifugal treating, obtain the porous hydrophobic material adhering to graphene oxide.
In an embodiment of the present invention, the centrifugal rotational speed in described centrifugal treating process is 500 revs/min ~ 5000 revs/min; In other examples, the centrifugal rotational speed in described centrifugal treating process is 1000 revs/min ~ 4500 revs/min; In a further embodiment, the centrifugal rotational speed in described centrifugal treating process is 1500 revs/min ~ 4000 revs/min; In a further embodiment, the centrifugal rotational speed in described centrifugal treating process is 2000 revs/min ~ 3500 revs/min; In a further embodiment, the centrifugal rotational speed in described centrifugal treating process is 2500 revs/min ~ 3000 revs/min.
In an embodiment of the present invention, the centrifugal speed in described centrifugal treating process is too low, and graphene oxide, by the duct in blocking porous hydrophobic material, weakens the absorption of porous hydrophobic material to oil slick; Centrifugal rotational speed in described centrifugal treating process is too high, will reduce the electric conductivity of the porous hydrophobic material of the coated graphite alkene prepared, the porous hydrophobic material of the coated graphite alkene prepared when centrifugal rotational speed is 3000 revs/min has good electric conductivity and duct does not wherein block.
In an embodiment of the present invention, by carrying out centrifugal treating to the porous hydrophobic material immersed in graphene oxide solution, the graphene oxide solution sucked in porous hydrophobic material can be reclaimed, graphene oxide solution is recycled, reduces the cost preparing the porous hydrophobic material of coated graphite alkene.
In an embodiment of the present invention, in the porous hydrophobic material of the attachment graphene oxide obtained after centrifugal treating, the content of graphene oxide is 0.045mg/cm 3~ 0.055mg/cm 3.
In an embodiment of the present invention, after obtaining the porous hydrophobic material of attachment graphene oxide, the porous hydrophobic material of attachment graphene oxide is carried out reduction treatment.In an embodiment of the present invention, the method for described reduction treatment can be:
The porous hydrophobic material of attachment graphene oxide and reducing agent are carried out reduction reaction, graphene oxide is reduced.In an embodiment of the present invention, described reducing agent can be hydrogen iodide or hydrazine hydrate; In other examples, described reducing agent can be hydrogen iodide solution or hydrazine hydrate steam.In an embodiment of the present invention, the solvent in described hydrogen iodide solution is water.In an embodiment of the present invention, mass concentration >=45% of described hydrogen iodide solution.In an embodiment of the present invention, the too low resistance of the reduzate obtained that makes of the mass concentration of hydrogen iodide solution is larger.
In an embodiment of the present invention, the temperature of described reduction reaction is 85 DEG C ~ 105 DEG C; In other examples, the temperature of described reduction reaction is 90 DEG C ~ 100 DEG C; In a further embodiment, the temperature of described reduction reaction is 90 DEG C.In an embodiment of the present invention, the time of described reduction reaction is 2 seconds ~ 6 seconds; In other examples, the time of described reduction reaction is 3 seconds ~ 5 seconds; In a further embodiment, the time of described reduction reaction is 4 seconds.In an embodiment of the present invention, when the time of described reduction reaction is 3 seconds ~ 5 seconds, can ensure that graphene oxide is completely reduced, can ensure that again the structural strength of porous hydrophobic material is not destroyed.
In other examples, the method for described reduction treatment can also be:
The porous hydrophobic material of attachment graphene oxide is carried out high temperature reduction, and graphene oxide is reduced, and the temperature of described high temperature reduction is 180 DEG C ~ 220 DEG C.
In an embodiment of the present invention, the temperature of described high temperature reduction is 190 DEG C ~ 210 DEG C; In other examples, the temperature of described high temperature reduction is 195 DEG C ~ 205 DEG C; In a further embodiment, the temperature of described high temperature reduction is 200 DEG C.In an embodiment of the present invention, the time of described high temperature reduction is 4 hours ~ 8 hours; In other examples, the time of described high temperature reduction is 6 hours ~ 7 hours.
In an embodiment of the present invention, heat after the porous hydrophobic material of attachment graphene oxide is carried out reduction treatment, obtain the porous hydrophobic material of coated graphite alkene.In an embodiment of the present invention, the temperature of described heating is 140 DEG C ~ 220 DEG C; In other examples, the temperature of described heating is 150 DEG C ~ 210 DEG C; In other examples, the temperature of described heating is 180 DEG C ~ 205 DEG C; In a further embodiment, the temperature of described heating is 200 DEG C.In an embodiment of the present invention, the time of described heating is 0.25 hour ~ 4 hours; In other examples, the time of described heating is 0.5 hour ~ 3 hours; In a further embodiment, the time of described heating is 1 hour ~ 2.5 hours; In a further embodiment, the time of described heating is 1.5 hours ~ 2 hours.
In an embodiment of the present invention, after the porous hydrophobic material of attachment graphene oxide is carried out reduction treatment, graphene oxide becomes redox graphene, product after reduction treatment is heated, redox graphene can be made to reduce further, remove hydroxyl, epoxy radicals, the carboxyl on redox graphene surface, and residual reducing agent can also be removed, the resistance of the porous hydrophobic material of the coated graphite alkene prepared can be reduced further.
The device of recovery high viscosity oil slick provided by the invention comprises the heating electrode contacted with described conductive porous hydrophobic material.In an embodiment of the present invention, described heating electrode is copper, graphite or carbon.The size and dimension of the present invention to described heating electrode does not have special restriction, can heat, meet actual service conditions after described heating electrode energising to conductive porous hydrophobic material.In an embodiment of the present invention, described heating electrode is copper wire, copper sheet, carbon-point or graphite flake.
The way of contact of the present invention to described heating electrode and conductive porous hydrophobic material does not have special restriction, can ensure that heating electrode contacts with conductive porous hydrophobic material, to conduction porous hydrophobic material transfer heat, raise the temperature of conductive porous hydrophobic material.In an embodiment of the present invention, conducting resinl can be utilized heating electrode to be pasted onto conductive porous hydrophobic material surface, as the melamine sponge surface that elargol can be utilized copper wire to be pasted onto coated graphite alkene.In other examples, heating electrode directly can be fixed on the surface of conductive porous hydrophobic material, as carbon-point being directly fixed on the mineral wool surface of coated graphite alkene; Or graphite flake is clipped to the both sides of sponge of coated graphite alkene.
The device of recovery high viscosity oil slick provided by the invention comprises the power supply be connected with described heating electrode.In the present invention, described power supply is connected with above-mentioned heating electrode, after voltage is applied to power supply, power supply and heating electrode form current loop and make heating electrode produce heat and be transmitted on conductive porous hydrophobic material, thus raise the temperature of conductive porous hydrophobic material, make conductive porous hydrophobic material make high viscosity float oil viscosity to oil slick heating in the process of absorption high viscosity oil slick to reduce rapidly, thus increase the organic efficiency of high viscosity oil slick.The kind of the present invention to described power supply does not have special restriction, adopts power supply well known to those skilled in the art, as dc source.
The device of recovery high viscosity oil slick provided by the invention also comprises the oil slick equipment leading out be communicated with conductive porous hydrophobic material, the oil slick be adsorbed in conductive porous hydrophobic material can be derived by described oil slick equipment leading out, make conductive porous hydrophobic material continuous adsorption oil slick, improve the oil slick organic efficiency of the device of recovery high viscosity oil slick provided by the invention further.
In an embodiment of the present invention, described oil slick equipment leading out can be mechanical pump, also can be extrusion equipment.In an embodiment of the present invention, mechanical delivery side of pump can be communicated with conductive porous hydrophobic material by conduit, the oil slick utilizing the pressure of mechanical pump to be adsorbed by conductive porous hydrophobic material is extracted out.In an embodiment of the present invention, the external diameter of described conduit is 4.5mm ~ 5.5mm; In other examples, the external diameter of described conduit is 5mm.In an embodiment of the present invention, the internal diameter of described conduit is 2.5mm ~ 3.5mm; In other examples, the internal diameter of described conduit is 3mm.
In an embodiment of the present invention, extrusion equipment can be acted directly on conductive porous hydrophobic material surface, the oil slick that conductive porous hydrophobic material adsorbs is squeezed out.In an embodiment of the present invention, described extrusion equipment is metal extrusion press.
The invention provides a kind of method reclaiming high viscosity oil slick, utilize the device of the recovery high viscosity oil slick described in technique scheme to reclaim high viscosity oil slick, comprising:
Voltage is applied to the power supply reclaimed in the device of high viscosity oil slick, after the temperature of conductive porous hydrophobic material raises, conductive porous hydrophobic material is placed on high viscosity oil slick surface, reclaims and obtain oil slick; Described high viscosity floats oil viscosity > 100mPas.
In the present invention, the device of described recovery high viscosity oil slick is consistent with the device reclaiming high viscosity oil slick described in technique scheme, does not repeat them here.In the present invention, described high viscosity floats oil viscosity > 100mPas.In an embodiment of the present invention, described high viscosity floats oil viscosity is 25000mPas ~ 35000mPas; In other examples, described high viscosity floats oil viscosity is 27000mPas ~ 32000mPas; In a further embodiment, described high viscosity floats oil viscosity is 28500mPas ~ 30000mPas.The source of the present invention to described high viscosity oil slick does not have special restriction, adopts high viscosity oil slick well known to those skilled in the art, as obtained by China Petrochemical Industry.
In an embodiment of the present invention, the voltage applied the power supply reclaimed in the device of high viscosity oil slick is 10V ~ 20V; In other examples, the voltage applied the power supply reclaimed in the device of high viscosity oil slick is 12V ~ 18V; In a further embodiment, the voltage applied the power supply reclaimed in the device of high viscosity oil slick is 14V ~ 16V; In a further embodiment, the voltage applied the power supply reclaimed in the device of high viscosity oil slick is 15V.
In an embodiment of the present invention, treating that the temperature of conductive porous hydrophobic material raises is 40 DEG C ~ 120 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface; In other examples, treating that the temperature of conductive porous hydrophobic material raises is 43 DEG C ~ 100 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface; In a further embodiment, treating that the temperature of conductive porous hydrophobic material raises is 60 DEG C ~ 97 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface; In a further embodiment, treating that the temperature of conductive porous hydrophobic material raises is 75 DEG C ~ 95 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface; In a further embodiment, treating that the temperature of conductive porous hydrophobic material raises is 80 DEG C ~ 90 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface.
In the present invention, described high viscosity floats oil surface tension and viscosity all reduces along with the rising of temperature, especially viscosity, when temperature rises to 43 DEG C by 8 DEG C, high viscosity is floated oil viscosity and is reduced to 1460mPas fast by 28500mPas, when temperature continues to be increased to 97 DEG C, high viscosity is floated oil viscosity and is reduced to 61.1mPas, 3 orders of magnitude are differed with oil slick viscosity when 8 DEG C, therefore in the process reclaiming high viscosity oil slick, high viscosity oil slick is heated, be conducive to the diffusion of high viscosity oil slick in conductive porous hydrophobic material, thus high viscosity oil slick is rapidly absorbed, and then increase the organic efficiency of high viscosity oil slick.The present invention utilizes the reduction of oil slick viscosity after heating and the rising of adsorption coefficient, achieves the quick adsorption to high viscosity oil slick.
In an embodiment of the present invention, treat that the temperature of conductive porous hydrophobic material is increased to 40 DEG C ~ 120 DEG C, after conductive porous hydrophobic material being placed on the surface of high viscosity oil slick, also comprise:
The oil slick utilizing oil slick equipment leading out to be adsorbed by conductive porous hydrophobic material is derived, and reclaims and obtains oil slick.
In an embodiment of the present invention, conductive porous hydrophobic material reduces floating oil viscosity in the process of absorption high viscosity oil slick, thus accelerate the flowing velocity of high viscosity oil slick in conductive porous hydrophobic material, high viscosity oil slick is made to be easy to derive from conductive porous hydrophobic material, thus enable the full-bodied oil slick of conductive porous hydrophobic material continuous adsorption, the present invention simultaneously adopts conductive porous hydrophobic material to adsorb high viscosity oil slick, the capacity of this materials adsorption high viscosity oil slick is higher, reclaiming high viscosity oil slick continuously by adopting oil slick equipment leading out can make conductive porous hydrophobic material reach limitless volumes, further raising method provided by the invention reclaims the organic efficiency of high viscosity oil slick.
In an embodiment of the present invention, when the oil slick utilizing mechanical pump to be adsorbed by conductive porous hydrophobic material is extracted out, the voltage be applied on mechanical pump is 5V ~ 6V; In other examples, when the oil slick utilizing mechanical pump to be adsorbed by conductive porous hydrophobic material is extracted out, the voltage be applied on mechanical pump is 5.2V ~ 5.8V; In a further embodiment, when the oil slick utilizing mechanical pump to be adsorbed by conductive porous hydrophobic material is extracted out, the voltage be applied on mechanical pump is 5.4V ~ 5.6V.
In an embodiment of the present invention, when utilizing extrusion equipment to be extruded by the oil slick that conductive porous hydrophobic material adsorbs, conductive porous hydrophobic material can be compressed to 70% ~ 80% of original volume; In other examples, when utilizing extrusion equipment to be extruded by the oil slick that conductive porous hydrophobic material adsorbs, conductive porous hydrophobic material can be compressed to 72% ~ 78% of original volume; In a further embodiment, when utilizing extrusion equipment to be extruded by the oil slick that conductive porous hydrophobic material adsorbs, conductive porous hydrophobic material can be compressed to 74% ~ 76% of original volume; In a further embodiment, when utilizing extrusion equipment to be extruded by the oil slick that conductive porous hydrophobic material adsorbs, conductive porous hydrophobic material can be compressed to 75% of original volume.
Method provided by the invention is adopted to reclaim high viscosity oil slick, CAST2.0 contact angle measurement and thermal infrared imaging instrument is adopted to levy the infiltration rate of high viscosity oil slick in conductive porous hydrophobic material, testing result shows, high viscosity oil slick adopts recovery method provided by the invention to reclaim, and the rate of infiltration in conductive porous hydrophobic material is very fast.
Adopt method provided by the invention to reclaim high viscosity oil slick continuously, the organic efficiency of test oil slick, test result is, the efficiency > 330g/h of method skimming provided by the invention.
Raw material used by following examples of the present invention is commercial goods.
Embodiment 1
Graphite flake (graphite flake of the 332461-2.5KG model that Sigma-AldrichChemical company provides) is prepared graphene oxide by modifiedHummersmethod, and detailed process is:
Take the graphite flake of 5.00g and the NaNO of 3.75g 3in the beaker of 1L; Open mechanical agitation, in beaker, slowly add the concentrated sulfuric acid of 150mL, stir 0.5h; Slowly add the KMnO of 20g again 4, 40min adds, and stirs, and obtains pasty state reactant; After continuing to stir 20h, because reactant viscosity increases, electric stirring lost efficacy, and stopped stirring; Place 5 days, period is artificial reaction stirred once in a while; 500mL deionized water is slowly added in the product obtained; Slowly add the H of 30mL again 2o 2; By centrifugal for the mixture obtained, washing, by product dialysis (12-14kd) more than 7 days after centrifugal, to remove Small molecular more fully, need change water every day during dialysis, obtain graphene oxide.
Embodiment 2
Graphene oxide embodiment 1 prepared carries out concentration calibration, and the graphene oxide solution normal temperature stirred accurately measuring 4mL is dried, weighed, and is configured to the graphene oxide water solution that mass concentration is 3mg/mL.
Successively with acetone and EtOH Sonicate cleaning melamine sponge (the melamine sponge of the LD-1539F model that Yongkang City Run De commerce and trade Co., Ltd provides) 10 minutes, by the melamine sponge after cleaning in 60 DEG C of baking ovens dry 4 hours; Dried melamine sponge is immersed in above-mentioned graphene oxide water solution to all infiltrating; Then adopt the speed of 3000 revs/min to carry out centrifugal treating, the sponge after centrifugal treating is placed in 60 DEG C of dry 2h of baking oven, obtain the melamine sponge adhering to graphene oxide.
By mass concentration be 45% aqueous solution of hydrogen iodide oil bath be heated to 90 DEG C, the melamine sponge of above-mentioned attachment graphene oxide is immersed in hydrogen iodide solution the reduction treatment carried out 3 ~ 5 seconds, the reduzate obtained is placed in ethanol rapidly, wash residual hydrogen iodide and the iodine of absorption off, again successively with the cleaning of second alcohol and water, obtain the melamine sponge adhering to redox graphene.
The melamine sponge of the attachment redox graphene obtained is placed in the heating that 200 DEG C of baking ovens carry out 2h, removes the oxy radical in wherein redox graphene and residual iodine, obtain the melamine sponge of the higher coated graphite alkene of electric conductivity.
Fig. 1 is the scanning electron microscopic picture of melamine sponge in the embodiment of the present invention 2, Fig. 2 is the scanning electron microscopic picture of the melamine sponge adhering to redox graphene in the embodiment of the present invention 2, from Fig. 1 and Fig. 2, in the melamine sponge of the attachment redox graphene that the embodiment of the present invention 2 obtains, redox graphene is successfully coated on the skeleton of melamine sponge.Fig. 3 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 2 prepares.
Embodiment 3
Prepare the melamine sponge of coated graphite alkene according to the method described in embodiment 2, as different from Example 2, dried melamine sponge is immersed in graphene oxide water solution after all infiltrating, centrifugal treating is not carried out to it.
Fig. 4 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 3 prepares.
Embodiment 4
Prepare the melamine sponge of coated graphite alkene according to the method described in embodiment 2, as different from Example 2, dried melamine sponge being immersed to all infiltrating in graphene oxide water solution, then adopting the speed of 500 revs/min to carry out centrifugal treating to it.
Fig. 5 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 4 prepares.
Embodiment 5
The melamine sponge of coated graphite alkene is prepared according to the method described in embodiment 2, as different from Example 2, dried melamine sponge being immersed to all infiltrating in graphene oxide water solution, then adopting the speed of 5000 revs/min to carry out centrifugal treating to it.
Fig. 6 is the scanning electron microscopic picture of the melamine sponge of the coated graphite alkene that the embodiment of the present invention 5 prepares.
From Fig. 3 ~ Fig. 6, adopt the speed of 3000 revs/min to carry out centrifugal treating to the melamine sponge immersed in graphene oxide water solution, in the melamine sponge of the coated graphite alkene obtained, the blocking of Graphene to sponge duct is less.
Embodiment 6
According to the method described in embodiment 2, the graphene oxide that embodiment 1 prepares is configured to the graphene oxide water solution that mass concentration is 1.5mg/mL.
By mineral wool in 60 DEG C of baking ovens dry 4 hours; Dried mineral wool is immersed in above-mentioned graphene oxide water solution to all infiltrating; Then adopt the speed of 3000 revs/min to carry out centrifugal treating, the sponge after centrifugal treating is placed in 60 DEG C of dry 2h of baking oven, obtain the mineral wool adhering to graphene oxide.
By mass concentration be 45% aqueous solution of hydrogen iodide oil bath be heated to 90 DEG C, the mineral wool of above-mentioned attachment graphene oxide is immersed in hydrogen iodide solution the reduction treatment carried out 3 ~ 5 seconds, the reduzate obtained is placed in ethanol rapidly, wash residual hydrogen iodide and the iodine of absorption off, use water and ethanol purge again, the mineral obtaining adhering to redox graphene are continuous.
The mineral of the attachment redox graphene obtained silk floss is placed in the heating that 200 DEG C of baking ovens carry out 2h, removes the oxy radical in wherein redox graphene and residual iodine, obtain the mineral wool of the higher coated graphite alkene of electric conductivity.
Fig. 7 is the scanning electron microscopic picture of the embodiment of the present invention 6 Minerals cotton, Fig. 8 is the scanning electron microscopic picture of the mineral wool adhering to redox graphene in the embodiment of the present invention 6, from Fig. 7 and Fig. 8, in the mineral wool of the attachment redox graphene obtained in the embodiment of the present invention 6, redox graphene is successfully coated on mineral wool surface.
Embodiment 7
The embodiment of the present invention 7 provides a kind of device reclaiming high viscosity oil slick, has the structural representation shown in Fig. 9, and the structural representation of the device of the recovery high viscosity oil slick that Fig. 9 provides for the embodiment of the present invention 7, comprising:
The melamine sponge of the coated graphite alkene that embodiment 2 prepares, is of a size of 2cm × 2cm × 3cm;
The mechanical pump be communicated with the melamine sponge of coated graphite alkene, the import of described mechanical pump is communicated with by conduit with the upper surface of the melamine sponge of coated graphite alkene, and described mechanical delivery side of pump is connected by the import of conduit with floating oil collecting bottle; The internal diameter of described conduit is 3mm external diameter is 5mm;
The copper wire of the melamine sponge side of coated graphite alkene is pasted onto by elargol;
The dc source be connected with copper wire.
The device of the recovery high viscosity oil slick that the embodiment of the present invention 7 provides as shown in Figure 10, the setting drawing of the recovery high viscosity oil slick that Figure 10 provides for the embodiment of the present invention 7.
Embodiment 8
The device of the recovery high viscosity oil slick adopting embodiment 7 to provide reclaims high viscosity oil slick, is specially:
In the device of the recovery high viscosity oil slick embodiment of the present invention 7 provided, the melamine sponge of coated graphite alkene is filled high viscosity oil slick (viscosity is the oil of 11800mPas), dc source is applied to the voltage of 15V, when the temperature of the melamine sponge of Graphene to be covered rises to 90 DEG C, the melamine sponge of coated graphite alkene is placed on the surface of high viscosity oil slick;
Mechanical pump is applied to the voltage of 5.56V, the high viscosity oil slick that the melamine sponge of coated graphite alkene is adsorbed by mechanical pump is extracted out, and continuous print reclaims the high viscosity oil slick of 40s.
The embodiment of the present invention 8 reclaims the high viscosity oil slick obtaining 3.7812g, and the method that the test embodiment of the present invention 8 provides reclaims the efficiency of high viscosity oil slick, and test result is, it is 340g/h that the method that the embodiment of the present invention 8 provides reclaims high viscosity oil slick efficiency.
Embodiment 9
The embodiment of the present invention 9 provides a kind of device reclaiming high viscosity oil slick, comprising:
The melamine sponge of the coated graphite alkene that embodiment 2 prepares, is of a size of 2cm × 2cm × 2cm;
Be arranged on the metal extrusion press of the melamine sponge upper surface of coated graphite alkene;
Be fixed on the carbon-point of the melamine sponge side of coated graphite alkene;
The dc source be connected with carbon-point.
Embodiment 10
The device of the recovery high viscosity oil slick adopting embodiment 9 to provide reclaims high viscosity oil slick, is specially:
Dc source in the device of the recovery high viscosity oil slick that embodiment 9 provides is applied to the voltage of 15V, when the temperature of the melamine sponge of Graphene to be covered rises to about 90 DEG C, the melamine sponge of coated graphite alkene is placed on the surface of high viscosity oil slick (viscosity is the oil of 11800mPas);
Adopt metal extrusion press to be extruded by the high viscosity oil slick that the melamine sponge of coated graphite alkene is adsorbed, melamine sponge is compressed into 75% of original volume, and continuous print reclaims the high viscosity oil slick of 10s.
The embodiment of the present invention 10 reclaims the high viscosity oil slick obtaining 4.75g, and the method that the test embodiment of the present invention 10 provides reclaims the efficiency of high viscosity oil slick, and test result is, it is 1710.6g/h that the method that the embodiment of the present invention 10 provides reclaims high viscosity oil slick efficiency.
Embodiment 11
The embodiment of the present invention 11 provides a kind of device reclaiming high viscosity oil slick, comprising:
The mineral wool of the coated graphite alkene that embodiment 6 prepares, is of a size of 0.8cm × 1.2cm × 3cm;
Be arranged on the carbon-point on mineral wool surface;
The dc source be connected with carbon-point.
Embodiment 12
The device of the recovery high viscosity oil slick adopting embodiment 11 to provide reclaims high viscosity oil slick, be specially: the voltage dc source in the device of the recovery high viscosity oil slick that embodiment 11 provides being applied to 23V, when the temperature of the mineral wool of Graphene to be covered rises to 90 DEG C, the mineral wool of coated graphite alkene is placed on the surface of high viscosity oil slick (viscosity is the oil of 11800mPas); The mineral wool surface of coated graphite alkene constantly contacts with high viscosity oil slick, makes high viscosity oil slick rapid osmotic immerse mineral wool inner, reclaims and obtain high viscosity oil slick.
Employing CAST2.0 contact angle measurement and thermal infrared imaging instrument levy the infiltration rate of method medium-high viscosity oil slick on the mineral wool surface of coated graphite alkene that the embodiment of the present invention 12 provides, detect as shown in figure 11, the method that Figure 11 provides for the embodiment of the present invention 12 reclaims in high viscosity oil slick process and tests the infiltration rate phenogram of high viscosity oil slick on the mineral wool surface of coated graphite alkene obtained, testing result is, the mineral wool average surface temperature of coated graphite alkene is 90 DEG C, the mineral wool that the high viscosity oil slick of 8 μ L is wrapped by Graphene absorbs needs 6 seconds completely, mineral wool surface continuously to the coated graphite alkene of 90 DEG C drips many high viscosity oil slick, the mineral wool of coated graphite alkene can permeate at least 23 high viscosity oil slick continuously.
Comparative example 1
Comparative example 1 of the present invention provides a kind of device reclaiming high viscosity oil slick, comprising:
Be of a size of the melamine sponge of 2cm × 2cm × 3cm;
The mechanical pump be communicated with melamine sponge, the import of described mechanical pump is communicated with by conduit with the upper surface of melamine sponge, and described mechanical delivery side of pump is connected by the import of conduit with floating oil collecting bottle; The internal diameter of described conduit is 3mm external diameter is 5mm.
The setting drawing of the recovery high viscosity oil slick that Figure 12 provides for comparative example 1 of the present invention.
Comparative example 2
The device of the recovery high viscosity oil slick adopting comparative example 1 of the present invention to provide reclaims high viscosity oil slick, is specially:
Melamine sponge in the device of the recovery high viscosity oil slick provided by comparative example 1 is placed on the surface of high viscosity oil slick (viscosity is the oil of 11800mPas);
Mechanical pump is applied to the voltage of 5.56V, the high viscosity oil slick that melamine sponge is adsorbed by mechanical pump is extracted out, and continuous print reclaims the high viscosity oil slick of 472s.
Comparative example 2 of the present invention reclaims the high viscosity oil slick obtaining 1.5834g, and the method that testing comparative example 2 of the present invention provides reclaims the efficiency of high viscosity oil slick, and test result is, it is 12g/h that the method that comparative example 2 of the present invention provides reclaims high viscosity oil slick efficiency.Compared with embodiment 8, the efficiency of the method recovery high viscosity oil slick that embodiment 8 provides is 28.3 times of comparative example 2.
Comparative example 3
Comparative example 3 of the present invention provides a kind of device reclaiming high viscosity oil slick, comprising:
Be of a size of the melamine sponge of 2cm × 2cm × 2cm;
Be arranged on the metal extrusion press of melamine sponge upper surface.
Comparative example 4
The device of the recovery high viscosity oil slick adopting comparative example 3 of the present invention to provide reclaims high viscosity oil slick, is specially:
Melamine sponge in the device of the recovery high viscosity oil slick provided by comparative example 3 of the present invention is placed on the surface of high viscosity oil slick (viscosity is the oil of 11800mPas);
Adopt metal extrusion press to be extruded by the high viscosity oil slick that melamine sponge is adsorbed, melamine sponge is compressed into 75% of original volume, reclaims the high viscosity oil slick of 55s.
Comparative example 4 of the present invention reclaims the high viscosity oil slick obtaining 3.2347g, and the method that testing comparative example 4 of the present invention provides reclaims the efficiency of high viscosity oil slick, and test result is, it is 211.7g/h that the method that comparative example 4 of the present invention provides reclaims high viscosity oil slick efficiency.Compared with embodiment 10, the efficiency of the method recovery high viscosity oil slick that embodiment 10 provides is 8 times of comparative example 4.
Comparative example 5
Comparative example 5 of the present invention provides a kind of device reclaiming high viscosity oil slick, for being of a size of the mineral wool of 0.8cm × 1.2cm × 3cm.
Comparative example 6
The device of the recovery high viscosity oil slick adopting comparative example 5 to provide reclaims high viscosity oil slick, is specially:
The mineral wool that comparative example 5 of the present invention provides is placed on the surface of high viscosity oil slick (viscosity is the oil of 11800mPas); Constantly make mineral wool surface contact with high viscosity oil slick, high viscosity oil slick can not permeate and immerse mineral wool inside, just sticks to mineral wool surface; This method can not reclaim high viscosity oil slick.
Employing CAST2.0 contact angle measurement and thermal infrared imaging instrument levy the infiltration rate of method medium-high viscosity oil slick in mineral wool that comparative example 6 of the present invention provides, detect as shown in figure 13, the method that Figure 13 provides for comparative example 6 of the present invention reclaims in high viscosity oil slick process and tests the infiltration rate phenogram of high viscosity oil slick on mineral wool surface obtained, testing result is, mineral wool surface temperature is about 22 DEG C, the high viscosity oil slick of 8 μ L is absorbed needs 456 seconds completely by mineral wool, many high viscosity oil slick are dripped continuously in mineral wool, the oil droplet on mineral wool surface can not penetrate into mineral wool inside completely, continuous accumulation forms larger oil droplet.
As seen from the above embodiment, the invention provides a kind of device reclaiming high viscosity oil slick, comprising: conductive porous hydrophobic material, the heating electrode contacted with described conductive porous hydrophobic material, the power supply be connected with described heating electrode.The device of recovery high viscosity oil slick provided by the invention is by applying voltage to power supply, heating electrode is communicated with power supply and forms current loop, release after heating electrode energising on heat conduction to conductive porous hydrophobic material and conductive porous hydrophobic material is heated, conductive porous hydrophobic material after heating is placed on high viscosity oil slick surface can make high viscosity oil slick heat up, along with the rising of temperature, floating oil viscosity reduces fast, the rate of adsorption of conductive porous hydrophobic material to oil slick can be increased, thus improve the organic efficiency of oil slick.

Claims (10)

1. reclaim a device for high viscosity oil slick, comprising:
Conductive porous hydrophobic material;
The heating electrode contacted with described conductive porous hydrophobic material;
The power supply be connected with described heating electrode.
2. the device of recovery high viscosity oil slick according to claim 1, is characterized in that, described conductive porous hydrophobic material is the porous hydrophobic material of coated graphite alkene.
3. the device of recovery high viscosity oil slick according to claim 2, is characterized in that, described porous hydrophobic material is sponge or cotton class material.
4. the device of recovery high viscosity oil slick according to claim 3, is characterized in that, described porous hydrophobic material is melamine sponge or mineral wool.
5. the device of recovery high viscosity oil slick according to claim 2, is characterized in that, in the porous hydrophobic material of described coated graphite alkene, the content of Graphene is 0.045mg/cm 3~ 0.055mg/cm 3.
6. the device of recovery high viscosity oil slick according to claim 1, is characterized in that, described heating electrode is copper, carbon or graphite.
7. the device of recovery high viscosity oil slick according to claim 1, is characterized in that, the device of described recovery high viscosity oil slick also comprises the oil slick equipment leading out be communicated with described conductive porous hydrophobic material.
8. the device of recovery high viscosity oil slick according to claim 7, is characterized in that, described oil slick equipment leading out is mechanical pump or extrusion equipment.
9. reclaim a method for high viscosity oil slick, utilize the device of the recovery high viscosity oil slick in claim 1 ~ 8 described in any one to reclaim high viscosity oil slick, comprising:
Voltage is applied to the power supply reclaimed in the device of high viscosity oil slick, after the temperature of conductive porous hydrophobic material raises, conductive porous hydrophobic material is placed on high viscosity oil slick surface, reclaims and obtain oil slick;
Described high viscosity floats oil viscosity > 100mPas.
10. method according to claim 9, is characterized in that, treats that the temperature of conductive porous hydrophobic material is increased to 40 DEG C ~ 120 DEG C, conductive porous hydrophobic material is placed on high viscosity oil slick surface, reclaims and obtain oil slick.
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