CN110538629A - Method for preparing adsorption material by using mobile phone protective film adhesive, prepared adsorption material and application - Google Patents
Method for preparing adsorption material by using mobile phone protective film adhesive, prepared adsorption material and application Download PDFInfo
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- CN110538629A CN110538629A CN201910722017.0A CN201910722017A CN110538629A CN 110538629 A CN110538629 A CN 110538629A CN 201910722017 A CN201910722017 A CN 201910722017A CN 110538629 A CN110538629 A CN 110538629A
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- mobile phone
- protective film
- phone protective
- adsorbing material
- film adhesive
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
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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
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/041—Oxides or hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/04—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising compounds of alkali metals, alkaline earth metals or magnesium
- B01J20/043—Carbonates or bicarbonates, e.g. limestone, dolomite, aragonite
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/32—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating
- B01J20/3231—Impregnating or coating ; Solid sorbent compositions obtained from processes involving impregnating or coating characterised by the coating or impregnating layer
- B01J20/3234—Inorganic material layers
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7022—Aliphatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/702—Hydrocarbons
- B01D2257/7027—Aromatic hydrocarbons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/704—Solvents not covered by groups B01D2257/702 - B01D2257/7027
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/70—Organic compounds not provided for in groups B01D2257/00 - B01D2257/602
- B01D2257/708—Volatile organic compounds V.O.C.'s
-
- 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
- B01J2220/00—Aspects relating to sorbent materials
- B01J2220/40—Aspects relating to the composition of sorbent or filter aid materials
- B01J2220/48—Sorbents characterised by the starting material used for their preparation
- B01J2220/4875—Sorbents characterised by the starting material used for their preparation the starting material being a waste, residue or of undefined composition
- B01J2220/4887—Residues, wastes, e.g. garbage, municipal or industrial sludges, compost, animal manure; fly-ashes
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- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention belongs to the field of resource utilization of solid wastes, and discloses a method for preparing an adsorbing material by using a mobile phone protective film adhesive, and the prepared adsorbing material and application thereof. Washing and pretreating the mobile phone protective film adhesive with water, and drying to obtain a product A; then placing the product A in a tube furnace, and carrying out carbonization treatment at 200-1000 ℃ under the protection of inert gas to obtain a product B; and finally, soaking the product B in an alkali solution, and drying to obtain the adsorbing material. The method is simple, convenient and quick, has low cost, and solves the technical defect of recycling the adhesive after the waste mobile phone protective film base material is recycled in the prior art. The adsorbing material can be applied to the field of volatile organic compound purification.
Description
Technical Field
The invention belongs to the technical field of resource utilization of solid wastes, and particularly relates to a method for preparing an adsorbing material by using a mobile phone protective film adhesive, and the prepared adsorbing material and application thereof.
background
At present, smart phones go deep into households, so that the consumption of mobile phone protective films is greatly increased. The mobile phone protective film has extremely strong chemical inertness, is difficult to be naturally degraded by air or microorganisms and the like, and can gradually accumulate to occupy a large amount of space, thereby causing serious environmental problems. On the other hand, the waste high polymer material has good recycling value as a cheap and abundant resource. Therefore, the base material for recycling the waste mobile phone protective film has great economic benefit and environmental benefit. At present, the recovery process of the mobile phone protective film generates a large amount of waste adhesives, and the traditional adhesive treatment method such as a burning method and a landfill method further bring secondary pollution. Therefore, a method for preparing an adsorbing material by using the mobile phone protective film adhesive is developed to solve the technical defect of recycling the adhesive after recycling the waste mobile phone protective film base material in the prior art, and the problem of the technical personnel in the field is solved.
Disclosure of Invention
In order to overcome the defects and shortcomings of the prior art, the invention aims to provide a method for preparing an adsorbing material by using a mobile phone protective film adhesive, which is used for overcoming the technical defect of recycling the adhesive after recycling waste mobile phone protective film base materials in the prior art.
the invention also aims to provide a preparation method of the adsorbing material.
The invention further aims to provide application of the adsorbing material.
The purpose of the invention is realized by the following technical scheme:
A method for preparing an adsorption material by using a mobile phone protective film adhesive comprises the following specific steps:
S1, washing and pretreating a mobile phone protective film adhesive by water, and drying to obtain a product A;
S2, placing the product A in a tubular furnace, and carrying out carbonization treatment at 200-1000 ℃ under the protection of inert gas to obtain a product B;
And S3, soaking the product B in an alkali solution, and drying to obtain the adsorbing material.
Preferably, the number of the rinsing in the step S1 is 1 to 10.
Preferably, the drying temperature in the step S1 is 40-80 ℃.
Preferably, the inert gas in step S2 is nitrogen, argon or helium.
Preferably, the carbonization time in the step S2 is 60-240 min.
preferably, the alkali in step S3 is one or more of NaOH, KOH, Na2CO 3; the concentration of the alkali solution is 0.1-10 mol/L.
Preferably, the dipping time in the step S3 is 1-120 min; the drying temperature is 40-100 ℃.
An adsorbing material prepared by using a mobile phone protective film adhesive is prepared by the method.
The adsorbing material is applied to the field of environmental protection for adsorbing volatile organic compounds.
Preferably, the volatile organic compound is one or more of aromatic hydrocarbon, oxygen-containing volatile organic compound, or aliphatic hydrocarbon.
Compared with the prior art, the invention has the following beneficial effects:
1. The adsorbing material disclosed by the invention has a good adsorbing effect on different types of volatile organic compounds, and can greatly improve the adsorbing performance after being treated by an alkali solution.
2. The preparation method of the adsorption material provided by the invention is simple and convenient, the source of the adhesive is wide, and the macro preparation of the adsorption material can be realized.
3. The method is simple, convenient and quick, has low cost, and can realize resource utilization of various mobile phone protective film adhesives.
4. The application of the adsorbing material in volatile organic compound purification solves the technical defect of recycling of the adhesive after the recovery of the waste mobile phone protective film base material in the prior art.
drawings
FIG. 1 is a schematic flow chart of a method for preparing an adsorbing material by using a mobile phone protective film adhesive according to the invention;
Fig. 2 is a graph showing the adsorption kinetics of the adsorbing material prepared by using the mobile phone protective film adhesive in example 1 of the present invention on o-xylene.
Detailed Description
The following examples are presented to further illustrate the present invention and should not be construed as limiting the invention. Unless otherwise specified, the technical means used in the examples are conventional means well known to those skilled in the art. Reagents, methods and apparatus used in the present invention are conventional in the art unless otherwise indicated.
The mobile phone protective film adhesive used in the embodiment of the invention is an adhesive collected from a mobile phone protective film commonly used in the market, and the main component of the adhesive is polyacrylate.
example 1
1. Pretreatment: washing the mobile phone protective film adhesive with water for 1 time, and drying at 40 ℃ to obtain a product A1;
2. High-temperature carbonization: placing the product A1 in a tube furnace, and treating for 60min at 200 ℃ under the protection of nitrogen to obtain a product B1;
3. alkali treatment: and (3) soaking the product B1 in 0.1mol/L NaOH solution for 1min, drying at 40 ℃ to obtain an adsorbing material, and preparing the adsorbing material by using the mobile phone protective film adhesive according to a flow schematic diagram of the method, wherein the flow schematic diagram is shown in figure 1.
example 2
1. Pretreatment: washing the mobile phone protective film adhesive with water for 10 times, and drying at 80 ℃ to obtain a product A2;
2. High-temperature carbonization: placing the product A2 in a tube furnace, and carrying out high-temperature treatment for 240min at 1000 ℃ under the protection of argon to obtain a product B2;
3. alkali treatment: and (3) soaking the product B2 in 10mol/L KOH solution for 120min, and drying at 100 ℃ to obtain the adsorbing material.
example 3
1. Pretreatment: washing the mobile phone protective film adhesive with water for 5 times, and drying at 60 ℃ to obtain a product A3;
2. High-temperature carbonization: placing the product A3 in a tube furnace, and carrying out high-temperature treatment at 600 ℃ for 120min under the protection of helium to obtain a product B3;
3. Alkali treatment: and (3) dipping the product B3 in 2mol/L Na2CO3 solution for 60min, and drying at 80 ℃ to obtain the adsorbing material.
Example 4
1. pretreatment: washing the mobile phone protective film adhesive with water for 8 times, and drying at 50 ℃ to obtain a product A4;
2. High-temperature carbonization: placing the product A4 in a tube furnace, and carrying out high-temperature treatment for 200min at 600 ℃ under the protection of helium to obtain a product B4;
3. alkali treatment: and (3) soaking the product B4 in 5mol/L KOH solution for 60min, and drying at 80 ℃ to obtain the adsorbing material.
Example 5
1. Pretreatment: washing the mobile phone protective film adhesive with water for 3 times, and drying at 70 ℃ to obtain a product A5;
2. High-temperature carbonization: placing the product A5 in a tube furnace, and carrying out high-temperature treatment at 600 ℃ for 150min under the protection of helium to obtain a product B5;
3. Alkali treatment: and (3) dipping the product B5 in 8mol/L Na2CO3 solution for 60min, and drying at 80 ℃ to obtain the adsorbing material.
application example 1
Volatile organic compound adsorption tests were performed using the adsorbent materials obtained in examples 1 to 3, and the adsorption performance of the adsorbent materials was evaluated using o-xylene gas at an initial concentration of 20 ppmv. The method comprises the following specific steps: weighing 0.1g of adsorbing material, placing the adsorbing material into a self-made adsorbing tube, introducing o-xylene gas with a constant flow of 5mL/min, taking 200 mu L of gas at the outlet of the adsorbing tube at regular intervals, and analyzing the concentration change of the outlet gas by using gas chromatography. The adsorption rate was evaluated using C/C0, where C is the concentration of the gas after adsorption for t min and C0 is the initial concentration of the gas. FIG. 2 is a graph showing the adsorption kinetics of the adsorbent material of example 1 for ortho-xylene. As can be seen from fig. 2, the adsorption rate of the adsorbent for o-xylene was as high as about 30%, and the adsorption saturation breakthrough time was about 250 min.
The above embodiments are preferred embodiments of the present invention, but the present invention is not limited to the above embodiments, and any other changes, modifications, substitutions, combinations and simplifications which do not depart from the spirit and principle of the present invention should be construed as equivalents thereof, and all such changes, modifications, substitutions, combinations and simplifications are intended to be included in the scope of the present invention.
Claims (10)
1. a method for preparing an adsorbing material by using a mobile phone protective film adhesive is characterized by comprising the following specific steps:
S1, washing and pretreating a mobile phone protective film adhesive by water, and drying to obtain a product A;
S2, placing the product A in a tubular furnace, and carrying out carbonization treatment at 200-1000 ℃ under the protection of inert gas to obtain a product B;
And S3, soaking the product B in an alkali solution, and drying to obtain the adsorbing material.
2. The method for preparing an adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the number of times of washing in step S1 is 1-10.
3. the method for preparing an adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the drying temperature in step S1 is 40-80 ℃.
4. the method for preparing an adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the inert gas in step S2 is nitrogen, argon or helium.
5. The method for preparing an adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the carbonization time in step S2 is 60-240 min.
6. The method for preparing an adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the base in step S3 is one or more of NaOH, KOH, Na2CO 3; the concentration of the alkali solution is 0.1-10 mol/L.
7. the method for preparing the adsorbing material by using the mobile phone protective film adhesive according to claim 1, wherein the dipping time in the step S3 is 1-120 min; the drying temperature is 40-100 ℃.
8. An adsorbing material prepared by using a mobile phone protective film adhesive, which is characterized by being prepared by the method of any one of claims 1-7.
9. The use of the adsorbent material according to claim 8 in the field of environmental protection for adsorbing volatile organic compounds.
10. the application of the adsorbing material according to claim 9 in the field of environmental protection for adsorbing volatile organic compounds, wherein the volatile organic compounds are one or more of aromatic hydrocarbons, oxygen-containing volatile organic compounds or aliphatic hydrocarbons.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910722017.0A CN110538629A (en) | 2019-08-06 | 2019-08-06 | Method for preparing adsorption material by using mobile phone protective film adhesive, prepared adsorption material and application |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910722017.0A CN110538629A (en) | 2019-08-06 | 2019-08-06 | Method for preparing adsorption material by using mobile phone protective film adhesive, prepared adsorption material and application |
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| CN110538629A true CN110538629A (en) | 2019-12-06 |
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Application publication date: 20191206 |