CN116813102B - Integrated treatment method for water source containing floating oil - Google Patents
Integrated treatment method for water source containing floating oil Download PDFInfo
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- CN116813102B CN116813102B CN202311083664.4A CN202311083664A CN116813102B CN 116813102 B CN116813102 B CN 116813102B CN 202311083664 A CN202311083664 A CN 202311083664A CN 116813102 B CN116813102 B CN 116813102B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 116
- 238000000034 method Methods 0.000 title claims abstract description 33
- 239000000463 material Substances 0.000 claims abstract description 181
- 238000002955 isolation Methods 0.000 claims abstract description 22
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 20
- 230000002209 hydrophobic effect Effects 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 claims abstract description 17
- 238000005096 rolling process Methods 0.000 claims abstract description 15
- 230000004888 barrier function Effects 0.000 claims abstract description 7
- 238000012216 screening Methods 0.000 claims abstract description 7
- 239000007788 liquid Substances 0.000 claims description 64
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 56
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 42
- 229910052799 carbon Inorganic materials 0.000 claims description 42
- 108090000790 Enzymes Proteins 0.000 claims description 35
- 102000004190 Enzymes Human genes 0.000 claims description 35
- 239000000919 ceramic Substances 0.000 claims description 23
- 241001122767 Theaceae Species 0.000 claims description 22
- 229920001213 Polysorbate 20 Polymers 0.000 claims description 15
- 239000000256 polyoxyethylene sorbitan monolaurate Substances 0.000 claims description 15
- 235000010486 polyoxyethylene sorbitan monolaurate Nutrition 0.000 claims description 15
- 238000004458 analytical method Methods 0.000 claims description 9
- 230000001788 irregular Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 claims description 6
- ZIIUUSVHCHPIQD-UHFFFAOYSA-N 2,4,6-trimethyl-N-[3-(trifluoromethyl)phenyl]benzenesulfonamide Chemical compound CC1=CC(C)=CC(C)=C1S(=O)(=O)NC1=CC=CC(C(F)(F)F)=C1 ZIIUUSVHCHPIQD-UHFFFAOYSA-N 0.000 claims description 3
- 108090000371 Esterases Proteins 0.000 claims description 3
- 108090001060 Lipase Proteins 0.000 claims description 3
- 102000004882 Lipase Human genes 0.000 claims description 3
- 239000004367 Lipase Substances 0.000 claims description 3
- 108010064785 Phospholipases Proteins 0.000 claims description 3
- 102000015439 Phospholipases Human genes 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 235000019421 lipase Nutrition 0.000 claims description 3
- 239000007791 liquid phase Substances 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 238000004364 calculation method Methods 0.000 abstract description 4
- 238000000926 separation method Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 8
- 230000015556 catabolic process Effects 0.000 description 6
- 238000006731 degradation reaction Methods 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000001179 sorption measurement Methods 0.000 description 5
- 238000005188 flotation Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 4
- 239000002893 slag Substances 0.000 description 4
- 230000009471 action Effects 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 102000004316 Oxidoreductases Human genes 0.000 description 1
- 108090000854 Oxidoreductases Proteins 0.000 description 1
- 108091005804 Peptidases Proteins 0.000 description 1
- 239000004365 Protease Substances 0.000 description 1
- 102100037486 Reverse transcriptase/ribonuclease H Human genes 0.000 description 1
- 238000010420 art technique Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000001804 emulsifying effect Effects 0.000 description 1
- 230000002366 lipolytic effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000004064 recycling Methods 0.000 description 1
- 230000000717 retained effect Effects 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/34—Biological treatment of water, waste water, or sewage characterised by the microorganisms used
- C02F3/342—Biological treatment of water, waste water, or sewage characterised by the microorganisms used characterised by the enzymes used
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/40—Devices for separating or removing fatty or oily substances or similar floating material
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
- Y02A20/204—Keeping clear the surface of open water from oil spills
Abstract
The invention relates to the technical field of oil-water separation, and particularly discloses an integrated treatment method for an oil-water source containing floating oil, which comprises the following steps: screening oleophilic and hydrophobic materials and hydrophilic and oleophobic materials according to the lyophile included angle and the rolling included angle; manufacturing an integrated oil removal material bag; setting an isolation barrier in a water source area containing floating oil, and throwing an integrated oil removal material bag; and detecting the oil removal rate of the isolated area containing the floating oil water source. The integrated treatment method for the oil-up water source can quickly and efficiently clean the oil-up on the surface of the water source, avoid the pollution of the used chemical reagent to the water source, and more importantly, the calculation mode of the oil removal rate can evaluate the efficiency of the integrated treatment of the oil-up water source more accurately, and the integrated oil removal material bag can quickly and effectively remove the oil-up in time and can be recycled.
Description
Technical Field
The invention relates to the technical field of oil-water separation, in particular to an integrated treatment method for an oil-water source containing floating oil.
Background
The existing treatment modes of the oil stains of the water source mostly adopt a single mode, and the common treatment modes are a physical material adsorption method, a chemical reagent reaction method and a biological enzyme degradation method, wherein the physical material adsorption method can effectively adsorb an oil film on the surface of the water source, but the operation is complex, time-consuming and labor-consuming; the incorrect operation of the chemical reagent reaction method is easy to pollute the water environment; the biological enzyme degradation method has higher environmental requirements, so that a single water source oil removal method cannot be considered in time, effectively and environmental protection. Based on the characteristics, the invention provides an integrated treatment method for an upward-floating-oil-containing water source, which is used for solving the problem that the timely, environment-friendly and effective treatment of the upward-floating-oil-containing water source cannot be achieved.
Disclosure of Invention
The invention aims to provide an integrated treatment method for a water source containing oil slick, which is capable of rapidly and efficiently cleaning the oil slick on the surface of the water source by jointly treating the water source containing the oil slick in a mode of combining physical materials, chemical reagents and biological enzymes. The integrated oil removal material bag used in the invention can be recycled, the material used in the integrated oil removal material bag is environment-friendly, and the designed one-way liquid inlet hole can avoid pollution of the used chemical reagent to a water source. According to the oil removal rate calculation method, the area coefficient and the upper oil flotation thickness coefficient are introduced, so that the influence of the external wind speed and the water flow speed can be effectively reduced, and the efficiency of integrated treatment of the upper oil flotation water source can be more accurately estimated.
In order to achieve the above purpose, the invention adopts the following technical scheme: an integrated treatment method for an oil-water-up source comprises the following specific steps:
screening out materials with oleophilic hydrophobicity and hydrophilic oleophobic property from a material performance database, and taking data of the oleophilic hydrophobicity and hydrophilic oleophobic material, a lyophile included angle and a rolling included angle as screening basis;
step two, manufacturing an integrated oil removal material bag by using a material with oleophilic, hydrophobic, hydrophilic and oleophobic properties, a chemical reagent and biological enzymes, wherein the specific manufacturing steps are as follows:
step S1, manufacturing an integrated oil removing material bag with a lipophilic and hydrophobic circular outer surface by using ceramic, wherein the outer surface of the integrated oil removing material bag is provided with round holes with the radius of 1-1.5cm, the distance between the round holes is 0.2-0.5cm, and the surface area of the integrated oil removing material bag is 200-300cm 2 Surface area;
s2, three spaces are arranged in the integrated oil removing material bag, wherein the first space is a DNA double-spiral chain-like lane, an upper hole of the lane is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper hole of the lane and the round hole on the surface of the integrated oil removing material bag, a lower hole of the lane is connected with a second space surface of the integrated oil removing material bag, the material used for the DNA double-spiral chain-like lane is inorganic carbon, and the inorganic carbon surface used for the DNA double-spiral chain-like lane is provided with irregular grooves;
s3, constructing a second space of the integrated oil removal material bag by using an inorganic carbon net, wherein the aperture of the inorganic carbon net is 70-100 mu m;
s4, constructing a third space of the integrated oil removal material bag by using a copper wire mesh, tea leaves, biological enzyme and Tween-20, wherein two layers of copper wire meshes with the aperture of 10-30 mu m are paved in the third space, tween-20 chemical reagent is sprayed on the first layer of copper wire mesh, tea leaves are paved on the second layer of copper wire mesh, the granularity of the tea leaves is larger than 30 mu m, and biological enzyme is sprayed on the tea leaves;
step three, setting an isolation barrier in a water source area containing floating oil, and throwing an integrated oil removal material bag;
and step four, detecting the oil removal rate of the isolated area containing the floating oil water source.
Further, in the first step, in the measurement of the lyophile clamp angle, the liquid is oil-floating and no impurity water source, the included angle is the contact included angle between the gas-liquid interface and the material and the liquid interface, the rolling included angle is the surface bevel angle of the material when the liquid rolls, the correlation between the surface tension of the liquid phase and the contact angle is calculated by utilizing the young equation and combining the surface energy of the material, and the formula is as follows:
wherein,for the contact angle of the liquid on the surface of the ideal material, +.>Is the surface energy of the material>For the tension of the ideal material surface and the liquid contact surface, +.>Is the tension of the contact surface of liquid and air.
Further, in the first step, the lyophilic material surface is formed when the lyophilic angle is smaller than 90 ° and the lyophobic material surface is formed when the lyophilic angle is larger than 90 °.
Further, in the first step, when the contact angle between the gas-liquid interface and the material and the liquid interface is 150-180 degrees, the rolling angle of the liquid rolling is 0-5 degrees, the liquid is a super lyophobic surface, and when the contact angle between the gas-liquid interface and the material and the liquid interface is 0-5 degrees, the rolling angle is larger than 5 degrees, the liquid is called super-philic surface.
Further, in the second step, the hydrophilic oleophobic material and the oleophilic hydrophobic material are obtained from the first step, the hydrophilic oleophobic material is copper wire mesh and inorganic carbon, the oleophilic hydrophobic material is ceramic and tea residue, the chemical reagent adopts Tween-20 surfactant, and the biological enzyme is lipase, esterase and phospholipase.
Further, in the third step, the isolation barrier is a fixed regular quadrangle and is divided into an inner layer and an outer layer, the inner layer is made of copper wire mesh, the contact included angle between the water source containing the oil slick in the inner layer and the surface of the copper wire mesh facing the inner layer water source is set to 175 degrees, the outer layer is made of ceramic mesh, the contact included angle between the water source containing the oil slick in the outer layer and the surface of the ceramic mesh facing the inner layer water source is set to 4 degrees, and the two layers are separated by 1m.
Further, in the third step, the integrated oil removing material bag is lifted by a cable, suspended on the water surface and influenced by the wind speed and the water flow speed, and the integrated oil removing material bag can rotate on the water surface with the activity radius of 0.5-1m 2 。
Further, in the fourth step, the oil removal rate of the area containing the oil-floating water source is calculated, the volume calculated by the isolation area of the inner layer of the area containing the oil-floating water source and the thickness of the oil-floating water source is used as a data base, and the oil-floating volume error caused by uneven thickness of the oil-floating water is reduced by introducing the thickness coefficient and the area change coefficient of the oil-floating water source, and the formula is as follows:
wherein Y is the oil removal rate of the inner layer of the floating oil water source region,for the area change coefficient>Is the thickness coefficient of the floating oil>For the inner layer isolation area of the initial floating oil water source area, < > in->Inner layer isolation area treated by integrated oil removal material bag +.>Is the thickness of the floating oil on the inner layer of the initial water source area, < > and the water source area>The thickness of the floating oil on the inner layer after the oil removing material package is integrated.
Further, an upper oil-floating distribution image graph is constructed by scanning by using a portable laser instrument, the upper oil-floating image graph is subjected to modularized segmentation by using a three-dimensional grid method, segmentation processing data are length, width and thickness of upper oil-floating, wherein the length and the width are used for calculating the area of upper oil-floating in a grid, upper oil-floating area coefficient analysis is performed by using standard errors of the upper oil-floating area in the segmented grid, and upper oil-floating thickness coefficient analysis is performed by using standard errors of the upper oil-floating thickness in the segmented grid.
According to the integrated treatment method for the water source containing the oil slick, the water source containing the oil slick is treated together through the combination of physical material adsorption, chemical reagent reaction and biological enzyme degradation, so that the oil slick on the surface of the water source can be cleaned quickly and efficiently. The integrated oil removal material bag used in the invention can be recycled, the material used in the integrated oil removal material bag is environment-friendly, and the designed one-way liquid inlet hole can avoid pollution of the used chemical reagent to a water source. The area coefficient and the upper oil-floating thickness coefficient are introduced into the calculation mode of the oil removal rate, so that the influence of the external wind speed and the water flow speed can be effectively reduced, the efficiency of the integrated treatment of the upper oil-floating water source can be more accurately estimated, and the specific technical effects and advantages are as follows:
1. the used copper wire mesh and inorganic carbon have no pollution to the environment, in the integrated oil removal material bag, the copper wire mesh and the inorganic carbon are arranged in the integrated oil removal material bag, and the DNA-like double-spiral chain-shaped lanes made of the inorganic carbon can quickly absorb water in the floating liquid, and the copper wire mesh can intercept the floating oil;
2. the arranged DNA double-spiral chain-like lane structure and irregular surface can promote the full contact of inorganic carbon and floating liquid, thereby achieving the effect of rapid water filtration;
3. the inorganic carbon net used in the second space of the integrated oil removing material bag can absorb the water in the floating oil liquid in the DNA-like double-spiral chain-shaped lanes of the first space and then filter the water again;
4. the copper wire mesh used in the third space can enable the upper floating oil to stay on the surface of the copper wire mesh, the Tween-20 active agent can quickly activate the upper floating oil, the molecular size of the upper floating oil is reduced, and then the upper floating oil enters the copper wire mesh of the second layer, the tea leaf residues used in the copper wire mesh of the second layer have the functions of oleophylic and hydrophobic, small molecular upper floating oil can be trapped, and the biological enzyme used can quickly decompose the upper floating oil;
5. the outer surface of the integrated oil removal material bag can quickly absorb floating oil, so that the oil removal speed is increased.
None of the involved parts of the method are the same as or can be implemented using prior art techniques.
Drawings
FIG. 1 is a schematic flow chart of the present invention.
Detailed Description
The principles and features of the present invention are described below in connection with examples, which are set forth only to illustrate the present invention and not to limit the scope of the invention; all other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
An integrated treatment method for an oil-water-up source comprises the following specific steps:
screening out materials with oleophilic hydrophobicity and hydrophilic oleophobic property from a material performance database, and taking data of the oleophilic hydrophobicity and hydrophilic oleophobic material, a lyophile included angle and a rolling included angle as screening basis;
step two, manufacturing an integrated oil removal material bag by using a material with oleophilic, hydrophobic, hydrophilic and oleophobic properties, a chemical reagent and biological enzymes;
step three, setting an isolation barrier in a water source area containing floating oil, and throwing an integrated oil removal material bag;
and step four, detecting the oil removal rate of the isolated area containing the floating oil water source.
In the first step, in the measurement of the lyophile clamp angle, the liquid is oil slick and no impurity water source, the included angle is the contact included angle between the gas-liquid interface and the material and the liquid interface, the rolling included angle is the surface bevel angle of the material when the liquid rolls, the correlation between the surface tension of the liquid phase and the contact angle is calculated by utilizing the Young equation and combining the surface energy of the material, and the formula is as follows:
wherein,for the contact angle of the liquid on the surface of the ideal material, +.>Is the surface energy of the material>For the tension of the ideal material surface and the liquid contact surface, +.>Is the tension of the contact surface of liquid and air.
When the lyophile included angle is smaller than 90 degrees, the lyophile material surface is the lyophobic material surface, and when the lyophile included angle is larger than 90 degrees, the lyophobic material surface is the lyophobic material surface.
When the contact angle between the gas-liquid interface and the material and the liquid interface is 150-180 degrees, the rolling angle of the liquid rolling is 0-5 degrees, the liquid is a super lyophobic surface, and when the contact angle between the gas-liquid interface and the material and the liquid interface is 0-5 degrees, the rolling angle is more than 5 degrees, the liquid is called super-philic surface.
In the second step, the used hydrophilic oleophobic and oleophilic hydrophobic materials are obtained from the first step, the hydrophilic oleophobic materials are copper wire mesh and inorganic carbon, the oleophilic hydrophobic materials are ceramic and tea residues, the chemical reagent adopts Tween-20 surfactant, and the biological enzymes are lipase, esterase and phospholipase.
The manufacturing steps of the integrated oil removal material bag are as follows:
step S1, manufacturing an integrated oil removing material bag with a lipophilic and hydrophobic circular outer surface by using ceramic, wherein the outer surface of the integrated oil removing material bag is provided with round holes with the radius of 1-1.5cm, the distance between the round holes is 0.2-0.5cm, and the surface area of the integrated oil removing material bag is 200-300cm 2 Surface area;
s2, three spaces are arranged in the integrated oil removing material bag, a first space is a DNA double-spiral chain-like lane, an upper lane hole is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper lane hole and the round hole on the surface of the integrated oil removing material bag, a lower lane hole is connected with a second space surface of the integrated oil removing material bag, the material used for the DNA double-spiral chain-like lane is inorganic carbon, and an irregular groove is formed in the inorganic carbon surface used for the DNA double-spiral chain-like lane;
s3, constructing a second space of the integrated oil removal material bag by using an inorganic carbon net, wherein the aperture of the inorganic carbon net is 70-100 mu m;
and S4, constructing a third space of the integrated oil removal material bag by using a copper wire mesh, tea slag, biological enzyme and Tween-20, wherein two layers of copper wire meshes with the aperture of 10-30 mu m are laid in the third space, tween-20 chemical reagent is sprayed on the first layer of copper wire mesh, tea slag is laid on the second layer of copper wire mesh, the granularity of the tea slag is larger than 30 mu m, and biological enzyme is sprayed on the tea slag.
In the third step, the isolation barrier is a fixed regular quadrangle and is divided into an inner layer and an outer layer, the inner layer is made of copper wire mesh, the contact included angle between the water source containing the oil slick in the inner layer and the surface of the copper wire mesh facing the water source in the inner layer is set to 175 degrees, the outer layer is made of ceramic mesh, the contact included angle between the water source containing the oil slick in the outer layer and the surface of the ceramic mesh facing the water source in the inner layer is set to 4 degrees, and the two layers are separated by 1m.
In the third step, the integrated oil removing material bag is lifted by a cable, suspended on the water surface and influenced by the wind speed and the water flow speed, and can rotate on the water surface with the activity radius of 0.5-1m 2 。
In the fourth step, the oil removal rate of the upper floating oil water source region is calculated, the volume calculated by the isolation area of the inner layer of the upper floating oil water source region and the thickness of the upper floating oil is taken as a data base, and the upper floating oil volume error caused by uneven upper floating oil thickness is reduced by introducing an upper floating oil thickness coefficient and an area change coefficient, wherein the formula is as follows:
wherein Y is the oil removal rate of the inner layer of the floating oil water source region,for the area change coefficient>Is the thickness coefficient of the floating oil>For the inner layer isolation area of the initial floating oil water source area, < > in->Inner layer isolation area treated by integrated oil removal material bag +.>Is the thickness of the floating oil on the inner layer of the initial water source area, < > and the water source area>The thickness of the floating oil on the inner layer after the oil removing material package is integrated.
According to the invention, a portable laser instrument is used for scanning to construct an upper oil floating distribution image, the upper oil floating image is subjected to modularized segmentation by using a three-dimensional grid method, segmentation processing data are length, width and thickness of upper oil floating, wherein the length and the width are used for calculating the area of the upper oil floating in a grid, the upper oil floating area coefficient analysis is carried out according to standard errors of the upper oil floating area in the segmented grid, and the upper oil floating thickness coefficient analysis is carried out according to standard errors of the upper oil floating thickness in the segmented grid.
According to the integrated treatment method for the water source containing the oil slick, the water source containing the oil slick is treated together through the combination of the adsorption of the oleophilic hydrophobic material, the hydrophilic oleophobic material, the chemical reagent reaction and the biological enzyme degradation, so that the oil slick on the surface of the water source can be cleaned quickly and efficiently. The integrated oil removal material bag used in the invention can be recycled, the material used in the integrated oil removal material bag is environment-friendly, and the designed one-way liquid inlet hole can avoid pollution of the used chemical reagent to a water source. According to the oil removal rate calculation method, the area coefficient and the upper oil flotation thickness coefficient are introduced, so that the influence of the external wind speed and the water flow speed can be effectively reduced, and the efficiency of integrated treatment of the upper oil flotation water source can be more accurately estimated; the used copper wire mesh and inorganic carbon have no pollution to the environment, in the integrated oil removal material bag, the copper wire mesh and the inorganic carbon are arranged in the integrated oil removal material bag, and the DNA-like double-spiral chain-shaped lanes made of the inorganic carbon can quickly absorb water in the floating liquid, and the copper wire mesh can intercept the floating oil; the arranged DNA double-spiral chain-like lane structure and irregular surface can promote the full contact of inorganic carbon and floating liquid, thereby achieving the effect of rapid water filtration; the inorganic carbon net used in the second space of the integrated oil removing material bag can absorb the water in the floating oil liquid in the DNA-like double-spiral chain-shaped lanes of the first space and then filter the water again; the copper wire mesh used in the third space can enable the oil to stay on the surface of the copper wire mesh, the used Tween-20 active agent can quickly activate the oil to reduce the molecular size of the oil to be removed, and then the oil enters the copper wire mesh of the second layer, the tea leaf residues used in the copper wire mesh of the second layer have the functions of oleophylic and hydrophobic, small molecular oil to be removed can be retained, the used biological enzyme can quickly decompose the oil to be removed, the outer surface of the integrated oil removal material bag can quickly absorb the oil to be removed, and the oil removal speed is increased.
Example 1
Based on the steps, in the integrated treatment method for the water source containing the floating oil, in the primary establishment, the materials used are ceramics, copper wire mesh, inorganic carbon and biological enzymes, the biological enzymes used are protease, lipolytic enzyme, emulsifying enzyme and oxidase, and the lanes used are direct current lanes, and the specific operation is as follows:
1. manufacturing an integrated oil removing material bag, manufacturing a lipophilic and hydrophobic circular outer surface of the integrated oil removing material bag by using ceramic, wherein round holes with the radius of 1.2cm are formed in the outer surface of the integrated oil removing material bag, the distance between the round holes is 0.5cm, and the surface area of the integrated oil removing material bag is 300cm 2 Three spaces are formed in the integrated oil removing material bag, a first space is a direct current lane, an upper hole of the lane is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper hole of the lane and the round hole on the surface of the integrated oil removing material bag, a lower hole of the lane is connected with a second space surface of the integrated oil removing material bag, the material used for the direct current lane is inorganic carbon, the inorganic carbon surface is flat, the second space of the integrated oil removing material bag is constructed by using an inorganic carbon net, the aperture of the inorganic carbon net is 90 mu m, a third space of the integrated oil removing material bag is constructed by using a copper wire net and biological enzyme, a layer of copper wire net with the aperture of 10-30 mu m is paved in the third space, and biological enzyme is sprayed on the copper wire net;
2. isolating a water source region containing upper floating oil by using a copper wire mesh and a ceramic mesh, calculating the volume of the upper floating oil in an inner isolation region when the flatness of the upper floating oil in the inner layer region of the copper wire mesh reaches 75%, and putting a manufactured integrated oil removing material bag;
3. integrated oil removing material bag, which is lifted by a cable, suspended on the surface of liquid and is oneThe body oil removing material bag can rotate under the action of wind power and water flow, and the movable radius is 1m under the control of a cable 2 ；
4. And (5) recovering the integrated oil removal material bag, calculating the volume of the floating oil on the isolation area of the inner layer, performing comprehensive analysis, and calculating the oil rate.
Example two
Based on the steps, the integrated treatment method for the water source containing the floating oil provided by the invention adopts ceramic, copper wire mesh, inorganic carbon and biological enzyme as materials in the primary establishment, adopts a lane structure imitating the shape of a DNA double-spiral chain, and specifically comprises the following steps:
1. manufacturing an integrated oil removing material bag, manufacturing a lipophilic and hydrophobic circular outer surface of the integrated oil removing material bag by using ceramic, wherein round holes with the radius of 1.2cm are formed in the outer surface of the integrated oil removing material bag, the distance between the round holes is 0.5cm, and the surface area of the integrated oil removing material bag is 300cm 2 Three spaces are formed in the integrated oil removing material bag, wherein the first space is a DNA double-spiral chain-like lane, an upper hole of the lane is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper hole of the lane and the round hole on the surface of the integrated oil removing material bag, a lower hole of the lane is connected with a second space surface of the integrated oil removing material bag, inorganic carbon is used as a material for the DNA double-spiral chain-like lane, irregular grooves are formed in the inorganic carbon surface for the DNA double-spiral chain-like lane, the second space of the integrated oil removing material bag is constructed by using an inorganic carbon net, the aperture of the inorganic carbon net is 90 mu m, a third space of the integrated oil removing material bag is constructed by using a copper net and biological enzyme, and a layer of copper net with the aperture of 10-30 mu m is paved in the third space;
2. isolating a water source region containing upper floating oil by using a copper wire mesh and a ceramic mesh, calculating the volume of the upper floating oil in an inner isolation region when the flatness of the upper floating oil in the inner layer region of the copper wire mesh reaches 75%, and putting a manufactured integrated oil removing material bag;
3. the integrated oil removing material bag is lifted by using a cable and suspended on the surface of liquid, and the integrated oil removing material bag can be used for wind powerAnd the water flow, and the movable radius is 1m under the control of the cable 2 ；
4. And (5) recovering the integrated oil removal material bag, calculating the volume of the floating oil on the isolation area of the inner layer, performing comprehensive analysis, and calculating the oil rate.
Example III
Based on the steps, the integrated treatment method for the water source containing the floating oil provided by the invention adopts ceramic, copper wire mesh, inorganic carbon, tea residues, biological enzyme and Tween-20 as materials in the primary establishment, adopts a lane structure imitating the shape of a DNA double-spiral chain, and specifically comprises the following steps:
1. manufacturing an integrated oil removing material bag, manufacturing a lipophilic and hydrophobic circular outer surface of the integrated oil removing material bag by using ceramic, wherein round holes with the radius of 1.2cm are formed in the outer surface of the integrated oil removing material bag, the distance between the round holes is 0.5cm, and the surface area of the integrated oil removing material bag is 300cm 2 Three spaces are formed in the integrated oil removing material bag, wherein the first space is a lane imitating a DNA double-spiral chain shape, an upper hole of the lane is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper hole of the lane and the round hole on the surface of the integrated oil removing material bag, a lower hole of the lane is connected with a second space surface of the integrated oil removing material bag, inorganic carbon is used as a material for the lane imitating the shape of the DNA double-spiral chain, irregular grooves are formed in the surface of the inorganic carbon for the lane imitating the shape of the DNA double-spiral chain, an inorganic carbon net is used for constructing the second space of the integrated oil removing material bag, the aperture of the inorganic carbon net is 90 mu m, a third space of the integrated oil removing material bag is constructed by using a copper wire net, tea leaf residues, biological enzymes and Tween-20, two layers of copper wire nets with apertures of 10-30 mu m are paved in the third space, tween-20 chemical reagents are sprayed on the copper wire net of the first layer, tea leaf residues are paved on the second layer of copper wire net, the granularity is larger than 30 mu m, and biological enzymes are sprayed on the tea leaf residues;
2. isolating a water source region containing upper floating oil by using a copper wire mesh and a ceramic mesh, calculating the volume of the upper floating oil in an inner isolation region when the flatness of the upper floating oil in the inner layer region of the copper wire mesh reaches 75%, and putting a manufactured integrated oil removing material bag;
3. the integrated oil removing material bag is suspended on the surface of the liquid by using a cable, can rotate under the action of wind power and water flow, and has a movable radius of 1m under the control of the cable 2 ；
4. And (5) recovering the integrated oil removal material bag, calculating the volume of the floating oil on the isolation area of the inner layer, performing comprehensive analysis, and calculating the oil rate.
The results of the changes in comparative examples one, two and three, together with the same use of biological enzymes, copper wire mesh and ceramics, summarize the effect of different materials and the integrated degreasing material packs of different lane configurations on degreasing efficiency, the effect results are shown in the following table:
table 1 comparison of the results of examples 1-3
Under the condition that biological enzymes, copper wire mesh and ceramics are also used, according to the first embodiment, lanes used for manufacturing the integrated oil removal material bag are direct current lanes, the contact time of the liquid containing the floating oil with inorganic carbon is short when the liquid passes through the direct current lanes, so that the moisture content entering the third layer is high, and the oil removal rate is low; in the second embodiment, the DNA-like double-spiral chain-shaped lanes are used, so that the contact time of inorganic carbon and water containing oil-up liquid is prolonged, water can be effectively filtered, the oil removal rate is improved, but the treatment efficiency of biological enzyme on the oil-up is low, in order to achieve the aim of integrated treatment, a layer of copper wire mesh is additionally arranged in a third space, tween-20 is sprayed on a first layer, the molecular size of the oil-up is reduced, and then small molecular oil-up is left by using tea leaves, so that the degradation effect of the biological enzyme on the oil-up is promoted, and therefore, the integrated oil removal material package prepared by combining physical material adsorption, biological enzyme degradation and chemical reagent reaction can be used for improving the oil removal rate, and has the advantages of environment friendliness, convenience in operation and recycling.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (8)
1. An integrated treatment method for a water source containing floating oil is characterized by comprising the following specific steps of;
screening out materials with oleophilic hydrophobicity and hydrophilic oleophobic property from a material performance database, and taking data of the materials, a lyophile included angle and a rolling included angle as screening basis;
step two, manufacturing an integrated oil removal material package by using a lipophilic and hydrophobic material, a chemical reagent and a biological enzyme, wherein the hydrophilic and oleophobic material is a copper wire mesh and inorganic carbon, the lipophilic and hydrophobic material is ceramic and tea residues, the chemical reagent adopts a Tween-20 surfactant, and the biological enzyme is lipase, esterase and phospholipase, and the specific manufacturing steps are as follows:
step S1, manufacturing an integrated oil removing material bag with a lipophilic and hydrophobic circular outer surface by using ceramic, wherein the outer surface of the integrated oil removing material bag is provided with round holes with the radius of 1-1.5cm, the distance between the round holes is 0.2-0.5cm, and the surface area of the integrated oil removing material bag is 200-300cm 2 Surface area;
s2, three spaces are arranged in the integrated oil removing material bag, wherein the first space is a DNA double-spiral chain-like lane, an upper hole of the lane is connected with a round hole on the surface of the integrated oil removing material bag, a one-way liquid inlet valve is arranged at the joint of the upper hole of the lane and the round hole on the surface of the integrated oil removing material bag, a lower hole of the lane is connected with a second space surface of the integrated oil removing material bag, the material used for the DNA double-spiral chain-like lane is inorganic carbon, and the inorganic carbon surface used for the DNA double-spiral chain-like lane is provided with irregular grooves;
s3, constructing a second space of the integrated oil removal material bag by using an inorganic carbon net, wherein the aperture of the inorganic carbon net is 70-100 mu m;
s4, constructing a third space of the integrated oil removal material bag by using a copper wire mesh, tea leaves, biological enzyme and Tween-20, wherein two layers of copper wire meshes with the aperture of 10-30 mu m are paved in the third space, tween-20 chemical reagent is sprayed on the first layer of copper wire mesh, tea leaves are paved on the second layer of copper wire mesh, the granularity of the tea leaves is larger than 30 mu m, and biological enzyme is sprayed on the tea leaves;
step three, setting an isolation barrier in a water source area containing floating oil, and throwing an integrated oil removal material bag;
and step four, detecting the oil removal rate of the isolated area containing the floating oil water source.
2. The integrated treatment method of an oil-in-water source with floating oil according to claim 1, wherein in the step one, in the measurement of the liquid-philic pinch angle, the liquid is the floating oil and the water source without impurities, the included angle is the contact included angle between the gas-liquid interface and the material and the liquid interface, the rolling included angle is the surface bevel angle of the material when the liquid rolls, and the correlation between the surface tension and the contact angle of the liquid phase is calculated by using the young equation and combining the surface energy of the material, and the formula is:
wherein,for the contact angle of the liquid on the surface of the ideal material, +.>Is the surface energy of the material>For the tension of the ideal material surface and the liquid contact surface, +.>Is the tension of the contact surface of liquid and air.
3. The integrated treatment process of claim 1, wherein in step one, the lyophile material surface is when the lyophile angle is less than 90 ° and the lyophile material surface is when the lyophile angle is greater than 90 °.
4. The integrated treatment method of an oil-and-water-floating source according to claim 2, wherein in the first step, when the contact angle between the gas-liquid interface and the material and the liquid interface is 150-180 degrees and the rolling angle between the gas-liquid interface and the material and the liquid interface is 0-5 degrees, the gas-liquid interface is the super lyophobic surface, and when the contact angle between the gas-liquid interface and the material and the liquid interface is 0-5 degrees and the rolling angle is more than 5 degrees, the gas-liquid interface is the super lyophobic surface.
5. The integrated treatment method of an oil-up water source according to claim 1, wherein in the third step, the isolation barrier is a regular quadrangle and is divided into an inner layer and an outer layer, the inner layer is made of copper wire mesh, the contact angle between the water source containing oil-up and the surface of the copper wire mesh facing the inner layer water source is set to 175 degrees, the outer layer is made of ceramic mesh, and the contact angle between the water source containing oil-up and the surface of the ceramic mesh facing the inner layer water source is set to 4 degrees, and the two layers are separated by 1m.
6. The integrated treatment method for a water source containing floating oil according to claim 1, wherein in the third step, the integrated oil removal material bag is lifted by a cable, suspended on the water surface, and can rotate on the water surface under the influence of wind speed and water flow speed, and has a radius of movement of 0.5-1m 2 。
7. The integrated treatment method of an oil-up water source according to claim 1, wherein in the fourth step, the oil removal rate of the oil-up water source region is calculated based on the volume calculated by the isolation area of the inner layer of the oil-up water source region and the thickness of the oil-up water source region, and then by introducing the thickness coefficient and the area change coefficient of the oil-up water source, the volume error of the oil-up water caused by the uneven thickness of the oil-up water source is reduced by using the following formula:
wherein Y is the oil removal rate of the inner layer of the floating oil water source region,for the area change coefficient>Is the thickness coefficient of the floating oil>For the inner layer isolation area of the initial floating oil water source area, < > in->Inner layer isolation area treated by integrated oil removal material bag +.>Is the thickness of the floating oil on the inner layer of the initial water source area, < > and the water source area>The thickness of the floating oil on the inner layer after the oil removing material package is integrated.
8. The integrated treatment method for the water source containing the oil slick according to claim 7, wherein an oil slick distribution image is constructed by scanning by using a portable laser instrument, the oil slick image is divided in a modularized manner by using a three-dimensional grid method, the divided treatment data are the length, the width and the thickness of the oil slick, wherein the length and the width are used for calculating the area of the oil slick in the grid, the oil slick area coefficient analysis is carried out by using the standard error of the oil slick area in the divided grid, and the oil slick thickness coefficient analysis is carried out by using the standard error of the oil slick thickness in the divided grid.
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| CN114288987A (en) * | 2021-09-29 | 2022-04-08 | 广州珠矶科技有限公司 | Preparation method of waste biomass and petroleum degrading bacteria composite material |
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| WO2015141902A1 (en) * | 2014-03-17 | 2015-09-24 | 한국과학기술연구원 | Oil-water separating structure and manufacturing method therefor, oil-water separating apparatus, and oil-water separating method using oil-water separating apparatus |
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| WO2018203764A2 (en) * | 2017-05-04 | 2018-11-08 | Qatar Foundation For Education, Science And Community Development | Multi-layered membrane for separating oil from water |
| CN107902721A (en) * | 2017-12-21 | 2018-04-13 | 中冶焦耐(大连)工程技术有限公司 | Permanent section orifice-plate type double helix oil water separator and oil-water separation method |
| CN112408544A (en) * | 2020-11-23 | 2021-02-26 | 重庆工商大学 | Emulsified wastewater deoiling and purifying device based on special wetting material |
| CN112774256A (en) * | 2020-12-17 | 2021-05-11 | 北京航空航天大学 | Preparation method and application of Janus copper mesh with heterostructure in air |
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