CN112210397A - Carbon fiber/nano silicon dioxide compound and preparation method and application thereof - Google Patents
Carbon fiber/nano silicon dioxide compound and preparation method and application thereof Download PDFInfo
- Publication number
- CN112210397A CN112210397A CN202011034738.1A CN202011034738A CN112210397A CN 112210397 A CN112210397 A CN 112210397A CN 202011034738 A CN202011034738 A CN 202011034738A CN 112210397 A CN112210397 A CN 112210397A
- Authority
- CN
- China
- Prior art keywords
- nano
- carbon fiber
- nano sio
- cotton
- composite
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G33/00—Dewatering or demulsification of hydrocarbon oils
- C10G33/04—Dewatering or demulsification of hydrocarbon oils with chemical means
Abstract
The invention relates to a carbon fiber/nano silicon dioxide compound and a preparation method and application thereof. The compound is prepared by the following steps: soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water to perform a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); then the cotton fiber and the nano SiO2And annealing the composite. The invention also provides a preparation method of the carbon fiber/nano-silica composite, which comprises the following steps: 1) soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water, and carrying out a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); 2) mixing cotton fiber with nano SiO2And annealing the composite. The invention also comprises the application of the complex in demulsification. The compound provided by the invention has better hydrophilic and oleophilic properties, and the demulsification efficiency of crude oil is as high as 90.68%.
Description
Technical Field
The invention relates to the field of oil field chemicals, in particular to a carbon fiber/nano silicon dioxide compound and a preparation method and application thereof.
Background
During the process of oil exploitation, injected water and crude oil form a high-viscosity stable water-in-oil or oil-in-water emulsion, which brings serious influence to the processes of crude oil production, gathering, refining and the like, and simultaneously causes the problems of corrosion of production equipment and the like. Therefore, the development of the high-efficiency demulsifier for the water-in-oil or oil-in-water crude oil emulsion is an urgent problem to be solved in the oilfield exploitation industry in China.
For example, the demulsifier with a nano-particle structure invented by patent CN1544117A is composed of a silane coupling agent, a particle nucleation material obtained by surface treatment of a nano-silicon oxide material with a fluorine-containing compound, a reaction solvent containing aromatic hydrocarbons such as xylene and polyether demulsifiers such as a poly-polyether, an amine polyether and a resin polyether, and can effectively solve the problem of tertiary oil recovery and dehydration in an oil field. Patent CN108299579A adopts organic polymer demulsifier and inorganic nano oxide to perform in-situ synthesis, i.e. in the process of generating nano oxide, the organic polymer demulsifier coats or grafts the inorganic nano oxide to obtain an inorganic-polymer composite demulsifier with good demulsification effect on crude oil. In patent CN110559691A, pentaerythritol is used as an initiator, an acidic esterification catalyst is added, hydroxypropionic acid is added at high temperature, then an alkaline catalyst is added, and ethylene oxide/propylene oxide/butylene oxide is added dropwise to perform two-stage polymerization to prepare the demulsifier with good demulsification and dehydration effects on crude oil. Although the demulsifiers have good demulsification performance, the preparation processes and modification methods of the demulsifiers still have the defects of excessive added components, complex preparation process, harsh preparation conditions and the like in the preparation process, and polymers often have certain toxicity and can generate corresponding environmental problems.
Although the oil-water separation membrane prepared from cotton fabric and silicon dioxide is provided in the prior art, dangerous chemical agents such as thiophene, dichloromethane, acetone, methanol and the like can be added in the preparation process, so that the membrane is not environment-friendly; in addition, although the prepared membrane can realize oil-water separation, the action principle is that the oil-water separation capacity of the membrane is improved by increasing the hydrophobic property of the surface of the membrane, and the oil-water separation is realized by filtering, but the membrane can treat wastewater with less oil content, but cannot realize the oil-water separation in crude oil.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: how to reduce the organic solvent raw material and obtain the demulsifier with high crude oil demulsification efficiency.
In order to solve the technical problems, the invention provides a carbon fiber/nano silicon dioxide compound and a preparation method and application thereof.
A carbon fiber/nano-silica composite prepared by the following steps: soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water to perform a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); then the cotton fiber and the nano SiO2And carrying out annealing treatment on the composite to obtain the carbon fiber/nano silicon dioxide composite.
Further, the weight ratio of the cotton fibers to the tetraethyl orthosilicate is 1: 2-14, and the weight ratio of the tetraethyl orthosilicate to the water is 1: 7-20.
The invention also provides a preparation method of the carbon fiber/nano-silica composite, which comprises the following steps:
1) soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water, and carrying out a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a);
2) mixing the cotton fiber with nano SiO2Annealing the compound to obtain the carbon fiber/nano SiO2And (c) a complex.
Further, in the step 1), the time of the hydrothermal reaction is 6-10 h.
Further, in the step 2), the temperature of the annealing treatment is 400-800 ℃.
Further, in the step 2), the annealing time is 2-4 h.
Further, before step 2), the method further comprises: mixing the cotton fiber with nano SiO2The compound is subjected to vacuum freeze drying treatment.
Further, the temperature of the vacuum freeze drying treatment is-52 ℃ to-40 ℃, and the drying time is 1-4 days.
In addition, the invention also provides an application of the carbon fiber/nano-silica composite or the carbon fiber/nano-silica composite prepared by the preparation method in demulsification.
Further, the carbon fiber/nano-silica composite is dispersed into a water-in-oil type emulsion for demulsification, and the demulsification temperature is 50-70 ℃.
Compared with the prior art, the invention has the advantages that: firstly, soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water to perform a hydrothermal reaction at 180-200 ℃, carbonizing the cotton fibers under the hydrothermal condition, and hydrolyzing the tetraethyl orthosilicate to generate nano SiO2Uniformly distributed on the surface of cotton fiber, the cotton fiber after hydrothermal reaction can generate carbon fiber with a large amount of hydrophilic groups on the surface, and nano SiO is uniformly distributed on the carbon fiber2(ii) a Then the cotton fiber and the nano SiO2The composite is annealed, fully carbonized and improved in surface structure, and the carbonized and calcined cotton has very weak hydrophilicity and strong lipophilicity, but the composite SiO2Then can be hydrophilic, and the obtained carbon fiber/nano SiO2The contact angle of the compound is 88.6 degrees +/-0.4 degrees, and the compound has better hydrophilic and oleophilic performances, and the demulsification efficiency of crude oil is as high as 90.68 percent.
Drawings
The features and advantages of the present invention will be more clearly understood by reference to the accompanying drawings, which are illustrative and not to be construed as limiting the invention in any way, and in which:
FIG. 1 shows the carbon fiber/nano SiO solid obtained in example 1 of the present invention2SEM image of the composite.
FIG. 2 shows the carbon fiber/nano SiO solid obtained in example 1 of the present invention2Composite materialThe Fourier transform infrared spectrogram of (1).
FIG. 3 shows the carbon fiber/nano SiO solid obtained in example 1 of the present invention2Graph of contact angle test results of the composites.
Detailed Description
The specific embodiment provides a carbon fiber/nano-silica composite which is prepared by the following steps: soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water to perform a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); then the cotton fiber and the nano SiO2And carrying out annealing treatment on the composite to obtain the carbon fiber/nano silicon dioxide composite. Wherein the weight ratio of the cotton fibers to the tetraethyl orthosilicate is 1: 2-14, and the weight ratio of the tetraethyl orthosilicate to the water is 1: 7-20; the cotton fibers are preferably cotton wool.
The specific embodiment further comprises a preparation method of the carbon fiber/nano-silica composite, which comprises the following steps:
1) soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water, and carrying out hydrothermal reaction for 6-10 h at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); mixing the cotton fiber with nano SiO2Carrying out vacuum freeze drying treatment on the compound at the temperature of-52 to-40 ℃, wherein the drying time is 1 to 4 days;
2) mixing the cotton fiber with nano SiO2Annealing the composite at 400-800 ℃ for 2-4 h to obtain carbon fiber/nano SiO2And (c) a complex.
The specific embodiment also comprises the application of the carbon fiber/nano-silica composite or the carbon fiber/nano-silica composite prepared by the preparation method in demulsification. Specifically, the carbon fiber/nano-silica composite is dispersed into a water-in-oil type emulsion for demulsification, and the demulsification temperature is 50-70 ℃.
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Example 1
This example provides a carbon fiber/nano SiO2A method of preparing a composite comprising the steps of:
1) the method comprises the following steps of shredding absorbent cotton, weighing 0.5 part of the absorbent cotton in parts by weight into a stainless steel reaction kettle with a polytetrafluoroethylene lining, weighing 2 parts of tetraethyl orthosilicate and 30 parts of distilled water into the reaction kettle respectively, carrying out hydrothermal reaction for 6 hours at the temperature of 180 ℃, naturally cooling to room temperature, repeatedly cleaning with the distilled water until cleaning solution is clarified, and obtaining cotton fibers and nano SiO2The complex of (1).
2) Cleaned cotton fiber and nano SiO2The compound is frozen and dried for 1 day under vacuum at the temperature of minus 48 ℃; finally, the cotton fiber and the nano SiO are frozen and dried in vacuum2The composite is annealed under the protection of nitrogen, the annealing temperature is 600 ℃, the annealing time is 2 hours, and the carbon fiber/nano SiO is obtained2And (c) a complex.
The composite obtained in example 1 was characterized, and FIG. 1 shows the carbon fiber/nano SiO obtained in example 12In the SEM image of the composite, as can be seen from FIG. 2, the reacted absorbent cotton is in a carbon fiber structure, and the surface of the absorbent cotton is uniformly covered with a layer of silicon dioxide which is in a flocculent structure due to agglomeration; FIG. 2 shows the carbon fiber/nano SiO solid obtained in example 12Fourier transform infrared (FT-IR) spectrum of the composite, FIG. 2 shows that amorphous SiO is present in the carbon fiber/nano-silica composite2The characteristic peak of the carbon fiber has a Si-O-C characteristic peak at the same time, which shows that the carbon fiber is compounded with silicon dioxide; further, the peak at 3421cm-1 was associated with-OH and-Si-O-H groups, at 3135cm-1The peak at (B) is related to the asymmetric stretching vibration of-O-H, and is 1631cm-1The peak at (A) may be due to the presence of physically/chemically absorbed water at the surface, at 1400cm-1The peak at (a) is due to the presence of-OH groups in the material; 1108cm-1Peaks at 797cm corresponding to Si-O-H, Si-O-C and Si-O-Si stretching vibrations-1And 472cm-1The peak at (a) is caused by the bending vibration of Si-O-Si.
From FIG. 3, it can be seen thatCarbon fiber/nano SiO2The contact angle of the compound is in the range of 88.6 degrees plus or minus 0.4 degrees, and further shows that the compound has hydrophilic and lipophilic properties.
Example 2
The embodiment provides a preparation method of a carbon fiber/nano-silica composite, which comprises the following steps:
1) the method comprises the following steps of shredding absorbent cotton, weighing 1 part of the absorbent cotton in parts by weight into a stainless steel reaction kettle with a polytetrafluoroethylene lining, weighing 3 parts of tetraethyl orthosilicate and 40 parts of distilled water into the reaction kettle, carrying out hydrothermal reaction for 8 hours at 190 ℃, naturally cooling to room temperature, repeatedly cleaning with distilled water until cleaning solution is clarified, and obtaining cotton fibers and nano SiO2The complex of (1).
2) Cleaned cotton fiber and nano SiO2The compound is frozen and dried for 1 day under vacuum at the temperature of minus 48 ℃; and finally, annealing the product subjected to vacuum freeze drying under the protection of nitrogen, wherein the annealing temperature is 400 ℃, and the annealing time is 2 hours, so that the carbon fiber/nano silicon dioxide composite is obtained.
Example 3
The embodiment provides a preparation method of a carbon fiber/nano-silica composite, which comprises the following steps:
1) the method comprises the following steps of shredding absorbent cotton, weighing 2 parts by weight of the absorbent cotton in a stainless steel reaction kettle with a polytetrafluoroethylene lining, weighing 5 parts by weight of tetraethyl orthosilicate and 60 parts by weight of distilled water in the reaction kettle, carrying out hydrothermal reaction for 6 hours at the temperature of 180 ℃, naturally cooling to room temperature, repeatedly cleaning with the distilled water until cleaning solution is clarified, and obtaining cotton fibers and nano SiO2The complex of (a);
2) cleaned cotton fiber and nano SiO2The composite is frozen and dried in vacuum for 2 days at the temperature of-52 ℃, and finally, the cotton fiber and the nano SiO are frozen and dried in vacuum2The composite is annealed under the protection of nitrogen, the annealing temperature is 800 ℃, the annealing time is 3 hours, and the carbon fiber/nano SiO is obtained2And (c) a complex.
Application example 1: carbon fiber/nano SiO of different concentration2The compound is inUse in crude oil emulsions
Different parts by weight of the carbon fiber/nano SiO prepared in the embodiment 1-32Fully mixing the compound with 20 parts by weight of ethanol to form suspension, and preparing carbon fiber/nano SiO with the mass concentrations of 0g/L, 2g/L, 3g/L, 4g/L and 5g/L respectively2And (c) a complex. Then 1 volume part of the carbon fiber/nano SiO with different mass concentrations is taken2The composite suspension is added into 20 volume parts of 22 wt% W/O crude oil emulsion, namely carbon fiber/nano SiO2The concentration of the compound in the W/O crude oil emulsion is 0, 100mg/L, 200mg/L, 300mg/L, 400mg/L and 500mg/L in sequence, the mixed solution is kept stand for 5min at 70 ℃, then is manually shaken for 200 times to be uniformly mixed, is kept stand for 150min in a water bath kettle at 70 ℃, and finally the demulsification efficiency is calculated as shown in Table 1.
TABLE 1 carbon fiber/Nano SiO in different concentrations2Demulsification efficiency of the composite
As can be seen from Table 1, the carbon fiber/nano SiO provided by the invention2The compound has good demulsification performance, the demulsification efficiency is increased along with the increase of the concentration of the demulsifier in the crude oil in a certain concentration range, and the water phase after demulsification is clear.
Application example 2: temperature-to-carbon fiber/nano SiO2Effect of Complex demulsification in crude oil emulsion
1 volume part of 4g/L carbon fiber/nano SiO2The composite suspension is added into 20 volume parts of 22 wt% W/O crude oil emulsion, namely carbon fiber/nano SiO2The concentration of the compound in the W/O crude oil emulsion is 400mg/L, the mixed solution is kept stand for 5min at 70 ℃, then is shaken manually for 200 times to be mixed uniformly, then is kept stand for 150min in a 70 ℃ water bath, and finally the demulsification efficiency is calculated, as shown in Table 2.
TABLE 2 temperature vs. carbon fiber/nano SiO2Effect of Complex demulsification
As can be seen from Table 2, the carbon fiber/nano SiO provided by the invention2The compound has high demulsification efficiency at a lower temperature and the water phase is clear, so that the compound can be demulsified at the lower temperature, and the heating cost is saved.
The composite provided by the invention is an amphiphilic material (hydrophilic and oleophilic), and is adsorbed on an oil-water interface to replace a natural surfactant, so that the stability of the emulsion is influenced. Under the action of the demulsifier, the two water drops approach each other to initiate adsorption and flocculation. In the demulsification process, the compound can displace or destroy an interfacial film, improve the formation of a channel, enlarge two water aggregates, finally overcome the influence of buoyancy and crude oil viscosity, and realize the oil-water separation of the emulsion.
From the above results, the carbon fiber/nano SiO provided by the invention2The composite has good demulsification performance, can achieve higher demulsification efficiency at lower temperature, and has clear water phase and no wall-hanging phenomenon after demulsification, and the carbon fiber/nano SiO composite provided by the invention2The preparation method of the compound is simple, easy to operate and environment-friendly.
Other beneficial effects include:
1. the preparation method is simple and easy to implement, the absorbent cotton in the raw material is directly subjected to hydrothermal reaction with tetraethyl orthosilicate without further treatment, the absorbent cotton subjected to the hydrothermal reaction can generate carbon fibers with a large number of hydrophilic groups on the surface, and nano SiO is uniformly distributed on the carbon fibers2After annealing treatment, the surface structure and the hydrophilic and oleophilic performances of the composite demulsifier can be improved, so that the composite demulsifier with excellent demulsification performance is obtained.
2. The preparation method provided by the invention is simple, the raw materials are easy to obtain, no toxic or harmful substances are generated in the preparation process, and the prepared product is green and environment-friendly.
3. The cotton carbon fiber/nanometer prepared by the preparation method of the inventionSiO2The composite demulsifier has high demulsification efficiency, good demulsification effect on W/O crude oil emulsion, clear separated water phase, no wall-hanging phenomenon and relatively low demulsification temperature.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A carbon fiber/nano-silica composite, characterized by being prepared by the following steps: soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water to perform a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a); then the cotton fiber and the nano SiO2And annealing the composite.
2. The carbon fiber/nano-silica composite according to claim 1, wherein the weight ratio of the cotton fiber to the tetraethyl orthosilicate is 1:2 to 14, and the weight ratio of the tetraethyl orthosilicate to the water is 1:7 to 20.
3. A method for preparing the carbon fiber/nano-silica composite according to any one of claims 1 to 2, comprising the steps of:
1) soaking cotton fibers in a mixed solution of tetraethyl orthosilicate and water, and carrying out a hydrothermal reaction at 180-200 ℃ to obtain the cotton fibers and nano SiO2The complex of (a);
2) mixing the cotton fiber with nano SiO2Annealing the compound to obtain the carbon fiber/nano SiO2And (c) a complex.
4. The preparation method according to claim 3, wherein in the step 1), the hydrothermal reaction time is 6-10 h.
5. The method according to claim 3, wherein the annealing temperature in step 2) is 400 to 800 ℃.
6. The preparation method according to claim 5, wherein in the step 2), the annealing treatment time is 2-4 h.
7. The method of claim 3, further comprising, prior to step 2): mixing the cotton fiber with nano SiO2The compound is subjected to vacuum freeze drying treatment.
8. The method according to claim 7, wherein the temperature of the vacuum freeze-drying treatment is-52 ℃ to-40 ℃, and the drying time is 1 to 4 days.
9. Use of the carbon fiber/nano-silica composite according to any one of claims 1 to 2 or the carbon fiber/nano-silica composite prepared by the preparation method according to any one of claims 3 to 8 in demulsification.
10. The use according to claim 9, wherein the carbon fiber/nano-silica composite is dispersed in a water-in-oil emulsion for demulsification at a temperature of 50-70 ℃.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011034738.1A CN112210397A (en) | 2020-09-27 | 2020-09-27 | Carbon fiber/nano silicon dioxide compound and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011034738.1A CN112210397A (en) | 2020-09-27 | 2020-09-27 | Carbon fiber/nano silicon dioxide compound and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112210397A true CN112210397A (en) | 2021-01-12 |
Family
ID=74051900
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011034738.1A Pending CN112210397A (en) | 2020-09-27 | 2020-09-27 | Carbon fiber/nano silicon dioxide compound and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112210397A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045564A1 (en) * | 2000-07-29 | 2005-03-03 | Galip Akay | Methods for separating oil and water |
| CN103215691A (en) * | 2012-12-15 | 2013-07-24 | 王滨 | Method for preparing hollow structure carbon fibers by using cotton as raw material |
| CN104004498A (en) * | 2014-05-27 | 2014-08-27 | 哈尔滨工业大学 | Method for preparing carbonized cotton fiber oil absorbing material-carbamate oil coagulation agent composite oil spilling treatment material |
| CN105601314A (en) * | 2015-12-29 | 2016-05-25 | 中国石油化工股份有限公司 | Preparation method of hydrophobic carbon-fiber aerogel for reclaiming oil spillage |
| CN107910508A (en) * | 2017-10-30 | 2018-04-13 | 汪涛 | A kind of preparation method, product and the application of the carbon fibre material of coated with silica |
| CN111690430A (en) * | 2020-05-26 | 2020-09-22 | 长江大学 | Carbon microsphere/nano SiO2Composite demulsifier and preparation method and application thereof |
-
2020
- 2020-09-27 CN CN202011034738.1A patent/CN112210397A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050045564A1 (en) * | 2000-07-29 | 2005-03-03 | Galip Akay | Methods for separating oil and water |
| CN103215691A (en) * | 2012-12-15 | 2013-07-24 | 王滨 | Method for preparing hollow structure carbon fibers by using cotton as raw material |
| CN104004498A (en) * | 2014-05-27 | 2014-08-27 | 哈尔滨工业大学 | Method for preparing carbonized cotton fiber oil absorbing material-carbamate oil coagulation agent composite oil spilling treatment material |
| CN105601314A (en) * | 2015-12-29 | 2016-05-25 | 中国石油化工股份有限公司 | Preparation method of hydrophobic carbon-fiber aerogel for reclaiming oil spillage |
| CN107910508A (en) * | 2017-10-30 | 2018-04-13 | 汪涛 | A kind of preparation method, product and the application of the carbon fibre material of coated with silica |
| CN111690430A (en) * | 2020-05-26 | 2020-09-22 | 长江大学 | Carbon microsphere/nano SiO2Composite demulsifier and preparation method and application thereof |
Non-Patent Citations (3)
| Title |
|---|
| JINTAO WANG等: ""Hydrothermal fabrication of robustly superhydrophobic cotton fibers for efficient separation of oil/water mixtures and oil-in-water emulsions"", 《JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY》 * |
| JINTAO WANG等: ""Hydrothermal fabrication of robustly superhydrophobic cotton fibers for efficient separation of oil/water mixtures and oil-in-water emulsions"", 《JOURNAL OF INDUSTRIAL AND ENGINEERING CHEMISTRY》, vol. 54, 7 June 2017 (2017-06-07), pages 174 - 183, XP085141176, DOI: 10.1016/j.jiec.2017.05.031 * |
| 山东省商业厅教育处: "《纺织品商品知识与养护》", 30 April 1983, 山东人民出版社, pages: 11 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Sustainable, flexible, and superhydrophobic functionalized cellulose aerogel for selective and versatile oil/water separation | |
| Akhlamadi et al. | Sustainable and superhydrophobic cellulose nanocrystal-based aerogel derived from waste tissue paper as a sorbent for efficient oil/water separation | |
| Liu et al. | Review on the aerogel-type oil sorbents derived from nanocellulose | |
| CN107011534B (en) | Super-hydrophobic super-oleophylic melamine foam and preparation method and application thereof | |
| Jiang et al. | Superhydrophobic aerogel membrane with integrated functions of biopolymers for efficient oil/water separation | |
| Xu et al. | Magnetically recyclable graphene oxide demulsifier adapting wide pH conditions on detachment of oil in the crude oil-in-water emulsion | |
| Li et al. | Preparation of corn straw based spongy aerogel for spillage oil capture | |
| CN111732735B (en) | Hyperbranched polymer-SiO 2 Composite demulsifier and preparation method and application thereof | |
| Yan et al. | Recyclable bacterial cellulose aerogel for oil and water separation | |
| CN110280048B (en) | Underwater super-oleophobic and oil-super-hydrophobic material for oil-water emulsion separation and solvent-free preparation method thereof | |
| Chen et al. | Facile fabrication of corn stover-based aerogel for oil/water separation | |
| CN108165303B (en) | Crude oil demulsifier and preparation method and use method thereof | |
| Chhajed et al. | Synergistic effect of natural rubber for imparting hydrophobicity in nanocellulose aerogel through one-pot synthesis and its application in oil/organic solvent sorption | |
| CN113069939B (en) | Titanium dioxide modified film and preparation method thereof | |
| Zhai et al. | Superhydrophobic cellulose-based aerogel derived from Phormium tenax (harakeke) for efficient oil sorption | |
| CN112210397A (en) | Carbon fiber/nano silicon dioxide compound and preparation method and application thereof | |
| Ghaedi et al. | Facile fabrication of robust superhydrophobic polyurethane sponge modified with polydopamine-silica nanoparticle for effective oil/water separation | |
| CN112679743B (en) | Super-hydrophilic and underwater super-oleophobic material and preparation method and application thereof | |
| Shen et al. | Separation of crude oil-in-water emulsions using ethylenediamine modified rice husks | |
| CN114887593A (en) | Reversible organic bentonite and preparation method and application thereof | |
| CN114016290A (en) | Super-hydrophobic porous organic polymer, acid-alkali-resistant super-hydrophobic polyester fabric loaded with super-hydrophobic porous organic polymer and application of super-hydrophobic polyester fabric | |
| CN109503833B (en) | Amphiphilic hyperbranched polymer and preparation and application thereof | |
| Chen et al. | Superhydrophobic PDMS@ PEI-cCNTs wood with Joule heat and demulsification capability for oil-water emulsion separation | |
| CN112553963B (en) | Diatomite-based filter paper, and preparation method and application thereof | |
| CN113667023B (en) | Amino-functionalized paper, demulsifier, and preparation method and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |