CN113637513B - Use of inorganic sub-nanowires in organic solvent curing, transport and storage - Google Patents
Use of inorganic sub-nanowires in organic solvent curing, transport and storage Download PDFInfo
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- CN113637513B CN113637513B CN202110918919.9A CN202110918919A CN113637513B CN 113637513 B CN113637513 B CN 113637513B CN 202110918919 A CN202110918919 A CN 202110918919A CN 113637513 B CN113637513 B CN 113637513B
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- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L10/00—Use of additives to fuels or fires for particular purposes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0052—Preparation of gels
- B01J13/0065—Preparation of gels containing an organic phase
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- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
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Abstract
The invention discloses application of inorganic sub-nanowires in curing, transportation and storage of organic solvents. In the application, the organic solvent is a non-polar organic solvent and/or a weak-polar organic solvent, and the polarity of the weak-polar organic solvent is lower than that of chloroform. Compared with other curing agents, the inorganic sub-nanowire is used as the curing agent for curing, transporting and storing the organic solvent, is non-toxic and environment-friendly, does not need to add other curing additives and control low-temperature environment, can realize the curing process at normal temperature, has simple process and lower cost, is suitable for both a weak polar solvent and a non-polar solvent, is particularly suitable for curing, safe transporting and storing organic fuels such as gasoline and the like, and can be recycled after the organic fuels are centrifuged or distilled; in addition, the recycling of the inorganic nanowires can be realized by using a solvent with higher polarity.
Description
Technical Field
The invention belongs to the field of materials, and particularly relates to application of inorganic sub-nanowires in curing, transportation and storage of organic solvents.
Background
By curing agent is meant a substance or mixture that enhances or controls the curing of a liquid, and has important applications in industrial engineering. Organic solvent curing generally requires lowering the temperature below its melting point, which requires either a large amount of energy, or a chemical reaction to form a solid by intermolecular bonding, but this method is irreversible and the curing agent cannot be recycled. The solvent is transported and stored after being solidified, so that the vibration and volatilization of the solvent can be reduced, and the risk caused by solvent leakage and diffusion can be avoided, thereby having important significance. Therefore, the research on the curing agent which can realize the curing of the organic solvent at normal temperature, simplify the curing operation and be recycled has very important significance.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the technical problems in the related art. To this end, it is an object of the present invention to propose the use of inorganic sub-nanowires in organic solvent curing, transport and storage. The application is non-toxic and environment-friendly, other curing additives are not required to be added, the curing process can be realized at normal temperature, the process is simple, the cost is lower, the method is suitable for both a weak polar solvent and a non-polar solvent, the method is particularly suitable for curing organic fuels such as gasoline, and meanwhile, the inorganic sub-nanowires can be recycled.
The present application is proposed based on the following findings of the inventors:
the inorganic sub-nanowire is easy to swell in a nonpolar solvent or a weak polar solvent to form a network structure, and the movement of the solvent is limited, so that gel is formed, the curing of the solvent can be realized only by controlling the addition amount of the inorganic sub-nanowire in the solvent and standing, and other curing additives are not needed, and the curing effect is stable, so that the inorganic sub-nanowire can be used as a curing agent for curing, safe transportation and storage of an organic solvent; in addition, because the inorganic sub-nano wire has an ultra-small diameter size, the specific surface area is quite high, the atom exposure ratio is close to 100%, the interaction with an external field is ultra-strong, and the foundation of the inorganic sub-nano wire serving as a curing agent is laid. Further, the recycling of the inorganic nanowires can also be realized by organic solvent centrifugation, distillation or by using a polar solvent.
To this end, according to one aspect of the invention, the invention proposes the use of inorganic sub-nanowires in organic solvent curing, transportation and storage. According to an embodiment of the invention, in this use, the organic solvent is a non-polar organic solvent and/or a weakly polar organic solvent, the weakly polar organic solvent being less polar than chloroform. Compared with other curing agents, the inorganic sub-nanowire is used as the curing agent for curing, transporting and storing the organic solvent, is non-toxic and environment-friendly, does not need to add other curing additives and control low-temperature environment, can realize the curing process at normal temperature, has simple process and lower cost, is suitable for both a weak polar solvent and a non-polar solvent, is particularly suitable for curing, safe transporting and storing organic fuels such as gasoline and the like, and can be recycled after the organic fuels are centrifuged or distilled; in addition, the recycling of the inorganic nanowires can be realized by using a solvent with higher polarity.
In addition, the use of the inorganic sub-nanowires according to the above embodiments of the invention in organic solvent curing, transportation and storage may also have the following additional technical features:
in some embodiments of the present invention, the inorganic sub-nanowires have a diameter of 0.8 to 1.2 nm; and/or the inorganic sub-nanowires comprise at least one selected from gadolinium oxyhydroxide sub-nanowires, nickel molybdate sub-nanowires, hydroxyapatite sub-nanowires, tungsten oxide sub-nanowires, vanadium phosphate sub-nanowires, iron phosphomolybdate, zirconium phosphomolybdate, titanium phosphomolybdate, cerium phosphomolybdate, ytterbium phosphomolybdate, yttrium phosphomolybdate, manganese phosphomolybdate, cobalt phosphomolybdate, nickel phosphomolybdate, iron silicotungstate, bismuth phosphomolybdate, calcium phosphotungstate, and strontium phosphotungstate sub-nanowires.
In some embodiments of the invention, the inorganic sub-nanowire is an inorganic sub-nanowire having a surface ligand; and/or the inorganic sub-nanowires have ferric iron.
In some embodiments of the invention, the surface ligand comprises at least one selected from oleylamine, oleic acid, n-octylamine, octadecylamine, oleyl alcohol.
In some embodiments of the invention, the organic solvent is a fuel.
In some embodiments of the invention, the organic solvent comprises a compound selected from alkanes (C)nH2n+2N is not less than 5), olefin (C)nH2nN is not less than 5), cycloalkane (C)nH2nN is more than or equal to 5), toluene, dodecanethiol and gasoline.
In some embodiments of the present invention, the organic solvent curing is to mix only the inorganic nanowires with the organic solvent and to stand, so as to obtain a cured gel.
In some embodiments of the invention, the inorganic sub-nanowires are added in an amount of not less than 0.2 wt% of the mass of the organic solvent; and/or the addition amount of the inorganic sub-nanowire is 0.2-5 wt% of the mass of the organic solvent.
In some embodiments of the present invention, the recycling of the inorganic nanowires is achieved using a polar solvent, the polarity of which is not lower than ethanol.
In some embodiments of the present invention, the inorganic nanowires are prepared by a room temperature reaction method or a solvothermal reaction method.
Based on the same inventive concept, the invention also provides a method for curing the organic solvent.
To this end, according to yet another aspect of the present invention, there is provided a method of curing an organic solvent, according to an embodiment of the present invention, the method including: mixing the inorganic nanowires with an organic solvent, and standing to obtain a solidified gel, wherein the polarity of the organic solvent is lower than that of chloroform, and the mixing does not add any solidification additive. Compared with the prior art, the method has the advantages of simple process, no toxicity and environmental protection, no need of adding other curing additives and controlling low-temperature environment, capability of being carried out at normal temperature, lower cost, and more contribution to safe transportation and storage of organic fuels such as gasoline and the like, and particularly, residual inorganic sub-nanowires can be recycled after the organic fuels are centrifuged or distilled; in addition, the inorganic sub-nanowires can be recycled by using a solvent with higher polarity.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
fig. 1 is a product diagram of calcium tungstate sub-nanowire cured n-octane according to an embodiment of the present invention, in which a in fig. 1 is a calcium tungstate sub-nanowire-n-octane gel in which the calcium tungstate sub-nanowire is added in an amount of 0.18 wt%; wherein, the left side of b in figure 1 is calcium tungstate nanowire-n-octane gel with the addition amount of the calcium tungstate nanowire being 0.6 wt%; wherein, the right side of b in figure 1 is calcium tungstate nanowire-n-octane gel with the addition amount of the calcium tungstate nanowire being 1 wt%.
FIG. 2 is a diagram of a product obtained by curing various solvents using calcium tungstate sub-nanowires, wherein a in FIG. 2 is calcium tungstate sub-nanowires (0.5 wt%) -n-octane gel; b in FIG. 2 is calcium tungstate sub-nanowire (1.6 wt%) -cyclohexane gel; in FIG. 2, c is calcium tungstate sub-nanowire (1.7 wt%) -n-hexane gel; in FIG. 2, d is calcium tungstate sub-nanowire (0.3 wt%) -octadecene gel; in FIG. 2, e represents a calcium tungstate sub-nanowire (0.4 wt%) -dodecanethiol sub-nanowire.
Fig. 3 is a flow chart of a method of curing an organic solvent according to one embodiment of the present invention.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
According to one aspect of the present invention, the use of inorganic sub-nanowires in organic solvent curing, transportation and storage is proposed. According to an embodiment of the invention, in the use, the organic solvent is a non-polar organic solvent and/or a weakly polar organic solvent, wherein the weakly polar organic solvent is less polar than chloroform. The inventors have found that the use of an organic solvent having a polarity lower than that of chloroform ensures that a good curing effect can be achieved. Compared with other curing agents, the inorganic sub-nanowire is used as the curing agent for curing, transporting and storing the organic solvent, is non-toxic and environment-friendly, does not need to add other curing additives and control low-temperature environment, can realize the curing process at normal temperature, has simple process and lower cost, is suitable for both a weak polar solvent and a non-polar solvent, is particularly suitable for curing, safe transporting and storing organic fuels such as gasoline and the like, and can be recycled after the organic fuels are centrifuged or distilled; in addition, the recycling of the inorganic nanowires can be realized by using a solvent with higher polarity. It should be noted that the weakly polar organic solvent used in the present invention refers to an organic solvent having a slightly asymmetric molecule, and mainly includes hydrocarbons, chlorinated alkanes, nitrated alkanes, etc., as long as the polarity thereof is lower than that of chloroform.
The use of the inorganic sub-nanowires of the above embodiments of the present invention in organic solvent curing, transportation and storage is described in detail below.
According to some embodiments of the present invention, the inorganic sub-nanowire used in the present invention refers to a nanowire material having a diameter close to the size of a single cell, and the length of the nanowire material can be several micrometers, and specifically, the diameter of the inorganic sub-nanowire can be 0.8 to 1.2 nm. Furthermore, the inventors found that the inorganic nanowires are different in kind, and the curing effect exerted in the same amount and organic solvent is different, and those skilled in the art can select the inorganic nanowires with suitable material according to actual needs, for example, the inorganic sub-nanowire may include at least one selected from the group consisting of gadolinium oxyhydroxide sub-nanowire, nickel molybdate sub-nanowire, hydroxyapatite sub-nanowire, tungsten oxide sub-nanowire, vanadium phosphate sub-nanowire, iron phosphomolybdate, zirconium phosphomolybdate, titanium phosphomolybdate, cerium phosphomolybdate, ytterbium phosphomolybdate, yttrium phosphomolybdate, manganese phosphomolybdate, cobalt phosphomolybdate, nickel phosphomolybdate, iron silicotungstate, bismuth phosphomolybdate, calcium phosphotungstate, strontium phosphotungstate sub-nanowire, and the like.
According to still other embodiments of the present invention, the inorganic nanowires may be inorganic nanowires having surface ligands, wherein the surface ligands used may be at least one selected from oleylamine, oleic acid, n-octylamine, octadecylamine, and oleyl alcohol, and the inventors have found that by using oleylamine, oleic acid, and the like as the surface ligands of the inorganic nanowires, the dispersibility of the inorganic nanowires in an organic solvent may be significantly improved, and the agglomeration thereof in a cured organic solvent may be prevented, thereby significantly improving the curing effect and obtaining a uniform and stable gel.
According to still other embodiments of the present invention, the organic solvent may be a fuel, and the liquid organic fuel is more likely to have risks of shock, leakage and volatilization during transportation and storage, and has greater safety risk. Preferably, the inorganic nanowires can also contain ferric iron, for example, iron phosphomolybdate nanowires can be selected to solidify liquid organic fuels, and ferric iron has strong oxidizability and can promote combustion of the fuels, so that the safety of the liquid organic fuels in the transportation and storage processes can be improved, the fuel combustion efficiency can be improved, and the energy utilization rate can be improved.
According to further embodiments of the present invention, the kind of the non-polar organic solvent or the weakly polar organic solvent to be cured in the present invention is not particularly limited as long as the curing requirement thereof can be achieved by using the inorganic nanowires, and preferably, the polarity of the organic solvent to be cured is lower than that of chloroform. That is, the organic solvent in the use claimed in the present invention includes, but is not limited to, fuel, and specifically, the organic solvent may include one selected from alkanes (C)nH2n+2N is not less than 5), olefin (C)nH2nN is not less than 5), cycloalkane (C)nH2nN is more than or equal to 5), at least one of organic solvents with lower polarity such as toluene, dodecanethiol and gasoline can be a single solvent to be solidified or a mixture of a plurality of solvents to be solidified as long as the polarity of the organic solvent to be solidified is lower than that of chloroform; preferably, the number of carbon atoms on the carbon chain of the organic solvent molecule may be not less than 8, and the inventors have found that the solvent with a long carbon chain is better cured and the curing effect is better achieved than the solvent with a short chain.
According to still other embodiments of the present invention, the organic solvent curing in the present invention can be achieved by merely mixing and standing the inorganic nanowires with the organic solvent, without adding any curing additive, or controlling the lower temperature, and the curing process can be achieved at normal temperature to obtain the cured gel.
According to still other embodiments of the present invention, when the organic solvent is cured, the amount of the inorganic nanowires added may be not less than 0.2 wt% of the organic solvent, for example, 0.3 wt%, 0.4 wt%, 0.5 wt%, 0.8 wt%, 1 wt%, 1.2 wt%, 1.5 wt%, 2 wt%, 3 wt%, 5wt%, 10 wt%, 15 wt%, or 20wt% of the organic solvent, and the inventors found and verified through experiments that if the amount of the inorganic nanowires used is too small relative to the organic solvent, the gel is not easily formed, and even if the gel is formed, the obtained gel is brittle, easily cracks or breaks, and is difficult to move. Furthermore, the addition amount of the inorganic nanowires is preferably 0.2-5 wt% of the mass of the organic solvent, so that the cured gel is ensured to have good elasticity and is not easy to break, the use amount of the inorganic nanowires can be saved, and negative effects on the flammability and the like of the cured gel due to excessive use amount of the inorganic nanowires can be avoided. When the curing is carried out, it is preferable to carry out the curing under a condition not higher than ordinary temperature, and when the heating or the temperature is high, although the curing is not affected, the organic solvent is volatilized quickly, and the loss of the organic solvent to be cured is caused.
According to still other embodiments of the present invention, the polar solvent may be used to recycle the inorganic nanowires, and the polarity of the polar solvent may not be lower than that of ethanol. The polar solvent may be ethanol and/or acetone with relatively high polarity.
According to still other embodiments of the present invention, the inorganic nanowires used in the present invention can be prepared by a room temperature reaction method or a solvothermal reaction method. Specifically, when a room temperature reaction is adopted, the inorganic salt reaction raw material for forming the inorganic sub-nanowire may be dissolved in water, and a ligand is added, and the reaction is performed with continuous stirring at room temperature, and after the reaction is completed, the obtained reaction solution is washed and centrifuged using a non-polar solvent/a weakly polar solvent and a polar solvent, so as to obtain the inorganic sub-nanowire. When the solvothermal method is adopted, inorganic salt reaction raw materials for forming the inorganic sub-nanowires can be dissolved in water, the ligand is added, the mixed solution is placed in a high-pressure reaction kettle after being uniformly stirred for solvothermal reaction, and after the reaction is finished, the obtained reaction solution is washed and centrifuged by adopting a non-polar solvent/a weak-polar solvent and a polar solvent, so that the inorganic sub-nanowires are obtained. Further, regardless of the room temperature reaction method or the solvothermal reaction method, the ligand may be added simultaneously with the addition of the small-molecule organic solvent before the reaction, so that the inorganic nanowires obtained by the reaction may be more advantageously uniformly dispersed in the reaction solution, wherein the small-molecule organic solvent may preferably be at least one selected from the group consisting of n-octane, cyclohexane, n-hexane, and octadecene. In addition, the ligand is added for the purpose of improving the dispersibility of the inorganic nanowires in the organic solvent to be cured, avoiding agglomeration thereof in the solvent, and thus improving the uniformity and stability of the curing effect, and may preferably be at least one selected from the group consisting of oleylamine, oleic acid, n-octylamine, octadecylamine, and oleyl alcohol. The kind of the polar solvent and the nonpolar solvent/low polar solvent used for washing the obtained reaction solution is not particularly limited, and may be selected by those skilled in the art according to the actual needs, for example, the polar solvent may be ethanol and/or acetone, and the nonpolar solvent/low polar solvent may be at least one selected from cyclohexane, n-octane, n-hexane, and toluene.
Based on the same inventive concept, according to still another aspect of the present invention, a method of curing an organic solvent is provided. According to an embodiment of the invention, referring to fig. 3, the method comprises: the inorganic nanowires are mixed with an organic solvent, which is less polar than chloroform, for example, a non-polar organic solvent and/or a weakly polar organic solvent, and left to stand, so as to obtain a cured gel, wherein the mixing does not add any curing additive. Compared with the prior art, the method has the advantages of simple process, no toxicity and environmental protection, no need of adding other curing additives and controlling low-temperature environment, capability of being carried out at normal temperature, lower cost, and more contribution to safe transportation and storage of organic fuels such as gasoline and the like, and particularly, residual inorganic sub-nanowires can be recycled after the organic fuels are centrifuged or distilled; in addition, the inorganic sub-nanowires can be recycled by using a solvent with higher polarity. It should be noted that the features and effects described for the use of the inorganic nanowires in organic solvent curing, transportation and storage are also applicable to the method for curing organic solvent, and are not repeated herein.
The following examples are illustrative only and are not to be construed as limiting the invention. The examples, where specific techniques or conditions are not indicated, are to be construed according to the techniques or conditions described in the literature in the art or according to the product specifications. The reagents or instruments used are not indicated by the manufacturer, and are all conventional products commercially available.
Example 1
1) Synthesis of calcium tungstate sub-nanowires
Weighing 1g of phosphomolybdic acid and 0.123g of calcium nitrate, adding the phosphomolybdic acid and the calcium nitrate into a 40mL reaction kettle, adding 16mL of deionized water, and stirring for 10 minutes; then 6mL oleylamine was added and stirred for 4 hours. And pouring the product in the reaction kettle into a centrifugal tube, adding n-octane and ethanol, and centrifuging and washing for three times to obtain the calcium tungstate sub-nanowire.
2) Curing n-octane using calcium tungstate sub-nanowires
Taking 3 parts of n-octane with the same volume, respectively adding the calcium tungstate nanowire prepared in the step 1) into the 3 parts of n-octane, standing for 12 hours to obtain calcium tungstate nanowire-n-octane gel, wherein the finished product of the gel is respectively shown as a in a diagram 1 and b in a diagram 1, and the addition amount of the calcium tungstate nanowire in the gel of the a in the diagram 1 is 0.18 wt%; the amount of calcium tungstate nanowires added to the gel on the left side of b in fig. 1 was 0.6 wt%, and the amount of calcium tungstate nanowires added to the gel on the right side of b in fig. 1 was 1 wt%.
As can be seen from FIG. 1, the gel obtained by respectively dispersing 0.18 wt% of calcium tungstate nanowires in n-octane is very brittle, and is easy to crack and cannot move; the gel obtained by respectively dispersing 0.6 wt% and 1 wt% of calcium tungstate sub-nanowires in n-octane has good elasticity, is not easy to crack and can move freely.
3) Curing different organic solvents using calcium tungstate sub-nanowires
Respectively curing n-octane, cyclohexane, n-hexane, octadecene and dodecanethiol by using the calcium tungstate sub-nanowires, wherein the addition amounts of the calcium tungstate sub-nanowires are 0.5 wt%, 1.6 wt%, 1.7 wt%, 0.3 wt% and 0.4 wt% in sequence, and the diagram of the obtained gel finished product is shown in fig. 2. Wherein a in FIG. 2 is calcium tungstate sub-nanowire (0.5 wt%) -n-octane gel; b in FIG. 2 is calcium tungstate sub-nanowire (1.6 wt%) -cyclohexane gel; in FIG. 2, c is calcium tungstate sub-nanowire (1.7 wt%) -n-hexane gel; in FIG. 2, d is calcium tungstate sub-nanowire (0.3 wt%) -octadecene gel; in FIG. 2, e represents a calcium tungstate sub-nanowire (0.4 wt%) -dodecanethiol sub-nanowire. As can be seen in fig. 2, the inorganic sub-nanowires can achieve curing of a variety of organic solvents.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. Use of inorganic sub-nanowires in organic solvent curing, transport and storage, characterized in that the organic solvent is a non-polar organic solvent and/or a weakly polar organic solvent, the weakly polar organic solvent being less polar than chloroform, wherein:
the diameter of the inorganic sub-nanowire is 0.8-1.2 nm;
the inorganic sub-nanowire comprises at least one selected from the group consisting of a gadolinium oxyhydroxide sub-nanowire, a nickel molybdate sub-nanowire, a hydroxyapatite sub-nanowire, a tungsten oxide sub-nanowire, a vanadium phosphate sub-nanowire, an iron phosphomolybdate sub-nanowire, a zirconium phosphomolybdate sub-nanowire, a titanium phosphomolybdate sub-nanowire, a cerium phosphomolybdate sub-nanowire, an ytterbium phosphomolybdate sub-nanowire, a yttrium phosphomolybdate sub-nanowire, a manganese phosphomolybdate sub-nanowire, a cobalt phosphomolybdate sub-nanowire, a nickel phosphomolybdate sub-nanowire, an iron silicotungstate sub-nanowire, a bismuth phosphomolybdate sub-nanowire, a calcium phosphotungstate sub-nanowire, and a strontium phosphotungstate sub-nanowire;
the addition amount of the inorganic sub-nanowire is 0.2-20 wt% of the mass of the organic solvent.
2. The use according to claim 1, wherein the inorganic sub-nanowires are inorganic sub-nanowires with surface ligands; and/or the inorganic sub-nanowires have ferric iron.
3. Use according to claim 2, wherein the surface ligands comprise at least one member selected from the group consisting of oleylamine, oleic acid, n-octylamine, octadecylamine, oleyl alcohol.
4. Use according to claim 1, wherein the organic solvent is a fuel.
5. Use according to claim 1Characterized in that the organic solvent comprises an alkane selected from CnH2n+2C olefinnH2nCycloalkane CnH2nAt least one of toluene, dodecanethiol and gasoline, wherein n is more than or equal to 5.
6. The use according to claim 1, wherein the organic solvent curing is carried out by mixing only the inorganic nanowires with the organic solvent and allowing the mixture to stand so as to obtain a cured gel.
7. The use according to claim 6, wherein the inorganic sub-nanowires are added in an amount of 0.2 to 5wt% based on the mass of the organic solvent.
8. The use according to claim 1, wherein the recycling of the inorganic nanowires is achieved using a polar solvent, the polar solvent having a polarity not lower than ethanol.
9. The use according to claim 1, wherein the inorganic nanowires are prepared by a room temperature reaction method or a solvothermal reaction method.
10. A method of curing an organic solvent, comprising: mixing the inorganic sub-nano wire with an organic solvent, standing to obtain a solidified gel,
wherein the organic solvent is less polar than chloroform, and the mixing is without the addition of any curing additive;
the diameter of the inorganic sub-nanowire is 0.8-1.2 nm;
the inorganic sub-nanowire comprises at least one selected from the group consisting of a gadolinium oxyhydroxide sub-nanowire, a nickel molybdate sub-nanowire, a hydroxyapatite sub-nanowire, a tungsten oxide sub-nanowire, a vanadium phosphate sub-nanowire, an iron phosphomolybdate sub-nanowire, a zirconium phosphomolybdate sub-nanowire, a titanium phosphomolybdate sub-nanowire, a cerium phosphomolybdate sub-nanowire, an ytterbium phosphomolybdate sub-nanowire, a yttrium phosphomolybdate sub-nanowire, a manganese phosphomolybdate sub-nanowire, a cobalt phosphomolybdate sub-nanowire, a nickel phosphomolybdate sub-nanowire, an iron silicotungstate sub-nanowire, a bismuth phosphomolybdate sub-nanowire, a calcium phosphotungstate sub-nanowire, and a strontium phosphotungstate sub-nanowire;
the addition amount of the inorganic sub-nanowire is 0.2-20 wt% of the mass of the organic solvent.
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