CN110898527B - Filter element material for air purifier and viscose-based activated carbon fiber loaded with filter element material for air purifier - Google Patents
Filter element material for air purifier and viscose-based activated carbon fiber loaded with filter element material for air purifier Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/02—Loose filtering material, e.g. loose fibres
- B01D39/06—Inorganic material, e.g. asbestos fibres, glass beads or fibres
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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
- B01D53/04—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 with stationary adsorbents
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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
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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
- B01J20/06—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising oxides or hydroxides of metals not provided for in group B01J20/04
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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
- B01J20/10—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising silica or silicate
- B01J20/14—Diatomaceous earth
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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
- B01J20/20—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
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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
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28023—Fibres or filaments
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/04—Additives and treatments of the filtering material
- B01D2239/0442—Antimicrobial, antibacterial, antifungal additives
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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
- B01D2257/7027—Aromatic hydrocarbons
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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
- B01D2257/708—Volatile organic compounds V.O.C.'s
Abstract
The invention relates to the technical field of air filter element material preparation, and particularly discloses a filter element material for an air purifier and viscose-based activated carbon fibers loaded with the filter element material for the air purifier. The filter element material for the air purifier comprises the following components in parts by weight: 30-50 parts of diatomite; 30-50 parts of bentonite; 10-20 parts of magnesium hydroxide; 10-20 parts of a carbon material; 5-10 parts of sodium alginate; in addition, the antibacterial agent also comprises 1-5 parts of antibacterial agent. The filter element material for the air purifier has excellent formaldehyde and toluene removing capacity and capacity of purifying bacteria in air. Particularly, the invention provides an adhesive-based activated carbon fiber loaded with a filter core material for an air purifier; it has stronger ability of air-purifying with filter core material and viscose base activated carbon fiber perfect combination for air purifier.
Description
Technical Field
The invention relates to the technical field of air filter element material preparation, in particular to a filter element material for an air purifier and viscose-based activated carbon fiber loaded with the filter element material for the air purifier.
Background
Indoor air pollution refers to pollution caused by the exceeding of harmful substances in indoor air. For example, newly decorated indoor and newly purchased furniture can cause the formaldehyde in the indoor air to exceed the standard, thereby affecting the health of human bodies. Along with the increasing requirements of people on living environment, the attention degree of people on formaldehyde pollution in the air is continuously increased. However, one way to remove formaldehyde from air indoors is through air purification. Air purifier is at air-purifying's in-process, and filter core material wherein is air-purifying's core, and filter core material is not good to the adsorption efficiency of formaldehyde in the air, will influence air purification effect. Therefore, the filter element material which has good air purification effect and especially has important market prospect for the filter element material with high formaldehyde treatment capacity is developed.
Disclosure of Invention
The technical problem to be solved by the invention is to provide a filter element material for an air purifier; the filter element material for the air purifier has a good formaldehyde removal effect.
The technical problem to be solved by the invention is realized by the following technical scheme:
a filter element material for an air purifier comprises the following components in parts by weight:
30-50 parts of diatomite; 30-50 parts of bentonite; 10-20 parts of magnesium hydroxide; 10-20 parts of a carbon material; 5-10 parts of sodium alginate.
Preferably, the filter element material for the air purifier comprises the following components in parts by weight:
40-50 parts of diatomite; 40-50 parts of bentonite; 15-20 parts of magnesium hydroxide; 15-20 parts of a carbon material; 8-10 parts of sodium alginate.
Most preferably, the filter element material for the air purifier comprises the following components in parts by weight:
40 parts of diatomite; 40 parts of bentonite; 15 parts of magnesium hydroxide; 15 parts of a carbon material; 8 parts of sodium alginate.
Preferably, the filter element material for the air purifier further comprises 1-5 parts of an antibacterial agent.
Most preferably, the antibacterial agent is a nano titanium dioxide silver-loaded antibacterial agent.
Preferably, the carbon material is prepared by the following method:
(1) placing kaolinite in Fe (NO)3)3Ultrasonically dispersing in the solution for 30-60 min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 200-240 ℃ for 10-15 h to obtain dopamine-iron ion modified kaolinite;
(3) calcining the kaolinite modified by dopamine-iron ions at 900-1100 ℃ for 2-3 h under the protection of inert gas, and then washing and drying to obtain the carbon material.
Further preferably, Fe (NO) in step (1)3)3The concentration of the solution is 0.8-1.2 mol/L; most preferably, Fe (NO) in step (1)3)3The concentration of the solution was 1.0 mol/L.
Further preferably, the dosage ratio of the iron ion modified kaolinite, the dopamine and the water in the step (2) is 1 g: 50-80 g: 250-500 mL; most preferably, the iron ion modified kaolinite, dopamine and water in the step (2) are used in a ratio of 1 g: 60 g: 300 mL.
The invention also provides viscose-based activated carbon fibers loaded with the filter core material for the air purifier, which are prepared by the following method:
dispersing the filter element material for the air purifier in water to form dispersion liquid; and then, putting the viscose-based activated carbon fibers into the filter, soaking the viscose-based activated carbon fibers for 8-12 hours under an ultrasonic condition, taking out the viscose-based activated carbon fibers, and drying to obtain the viscose-based activated carbon fibers loaded with the filter core material for the air purifier.
Preferably, the dosage ratio of the filter element material to the water for the air purifier is 1 g: 5-10 mL.
Has the advantages that: the filter core material for the air purifier comprises diatomite, bentonite, magnesium hydroxide, a carbon material and sodium alginate, has excellent formaldehyde and toluene treatment capacity, and is particularly prepared by a brand new method; compared with other conventional carbon materials, the carbon material prepared by the brand-new method has more excellent formaldehyde and toluene removal capability; in addition, the filter element material for the air purifier is added with the nano titanium dioxide silver-loaded antibacterial agent, so that the filter element material has the capability of purifying bacteria in the air. Particularly, the invention provides an adhesive-based activated carbon fiber loaded with a filter core material for an air purifier; the filter element material for the air purifier is perfectly combined with the viscose-based activated carbon fiber, so that the air purifier has stronger air purifying capacity.
Detailed Description
The present invention is further explained below with reference to specific examples, which are not intended to limit the present invention in any way.
Example 1 preparation of Filter core Material for air purifier
Weighing 40 parts of diatomite, 40 parts of bentonite, 15 parts of magnesium hydroxide, 15 parts of carbon material, 8 parts of sodium alginate and 2 parts of nano titanium dioxide silver-carrying antibacterial agent according to parts by weight, and uniformly mixing to obtain the filter core material for the air purifier;
the carbon material is prepared by the following method:
(1) placing kaolinite in 1.0mol/L Fe (NO)3)3Ultrasonically dispersing in the solution for 40min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 220 ℃ for 12h to obtain dopamine-iron ion modified kaolinite; wherein the dosage ratio of the iron ion modified kaolinite, dopamine and water is 1 g: 60 g: 300 mL;
(3) calcining the kaolinite modified by dopamine-iron ions at 1000 ℃ for 2.5h under the protection of nitrogen, and then washing (washing with 1mol/L hydrochloric acid and then washing with water) and drying to obtain the carbon material.
Example 2 preparation of Filter core Material for air purifier
Weighing 30 parts of diatomite, 50 parts of bentonite, 10 parts of magnesium hydroxide, 20 parts of carbon material, 5 parts of sodium alginate and 5 parts of nano titanium dioxide silver-carrying antibacterial agent according to the parts by weight, and uniformly mixing to obtain the filter core material for the air purifier;
the carbon material is prepared by the following method:
(1) placing kaolinite in 1.0mol/L Fe (NO)3)3Ultrasonically dispersing in the solution for 40min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 220 ℃ for 12h to obtain dopamine-iron ion modified kaolinite; wherein the dosage ratio of the iron ion modified kaolinite, dopamine and water is 1 g: 60 g: 300 mL;
(3) calcining the kaolinite modified by dopamine-iron ions at 1000 ℃ for 2.5h under the protection of nitrogen, and then washing (washing with 1mol/L hydrochloric acid and then washing with water) and drying to obtain the carbon material.
Example 3 preparation of Filter core Material for air purifier
Weighing 50 parts of diatomite, 30 parts of bentonite, 20 parts of magnesium hydroxide, 10 parts of carbon material, 10 parts of sodium alginate and 1 part of nano titanium dioxide silver-carrying antibacterial agent according to the parts by weight, and uniformly mixing to obtain the filter core material for the air purifier;
the carbon material is prepared by the following method:
(1) placing kaolinite in 1.0mol/L Fe (NO)3)3Ultrasonically dispersing in the solution for 40min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 220 ℃ for 12h to obtain dopamine-iron ion modified kaolinite; wherein the dosage ratio of the iron ion modified kaolinite, dopamine and water is 1 g: 60 g: 300 mL;
(3) calcining the kaolinite modified by dopamine-iron ions at 1000 ℃ for 2.5h under the protection of nitrogen, and then washing (washing with 1mol/L hydrochloric acid and then washing with water) and drying to obtain the carbon material.
Example 4 preparation of Filter core Material for air purifier
Weighing 40 parts of diatomite, 40 parts of bentonite, 15 parts of magnesium hydroxide, 15 parts of carbon material, 8 parts of sodium alginate and 2 parts of nano titanium dioxide silver-carrying antibacterial agent according to parts by weight, and uniformly mixing to obtain the filter core material for the air purifier;
the carbon material is prepared by the following method:
(1) placing kaolinite in 0.8mol/L Fe (NO)3)3Ultrasonically dispersing in the solution for 60min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting for 15h at 200 ℃ to obtain dopamine-iron ion modified kaolinite; wherein the dosage ratio of the iron ion modified kaolinite, dopamine and water is 1 g: 80 g: 400 mL;
(3) calcining the dopamine-iron ion modified kaolinite at 900 ℃ for 3h under the protection of nitrogen, and then washing (firstly washing with 1mol/L hydrochloric acid, and then washing with water) and drying to obtain the carbon material.
Example 5 preparation of Filter core Material for air purifier
Weighing 40 parts of diatomite, 40 parts of bentonite, 15 parts of magnesium hydroxide, 15 parts of carbon material, 8 parts of sodium alginate and 2 parts of nano titanium dioxide silver-carrying antibacterial agent according to parts by weight, and uniformly mixing to obtain the filter core material for the air purifier;
the carbon material is prepared by the following method:
(1) placing kaolinite in 1.2mol/L Fe (NO)3)3Ultrasonically dispersing in the solution for 30min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 240 ℃ for 10h to obtain dopamine-iron ion modified kaolinite; wherein the dosage ratio of the iron ion modified kaolinite, dopamine and water is 1 g: 50 g: 250 mL;
(3) calcining the dopamine-iron ion modified kaolinite at 1100 ℃ for 2h under the protection of nitrogen, and then washing (firstly washing with 1mol/L hydrochloric acid, and then washing with water) and drying to obtain the carbon material.
Comparative example 1 preparation of Filter core Material for air purifier
Weighing 40 parts of diatomite, 40 parts of bentonite, 15 parts of magnesium hydroxide, 15 parts of carbon material, 8 parts of sodium alginate and 2 parts of nano titanium dioxide silver-carrying antibacterial agent according to parts by weight, and uniformly mixing to obtain the filter core material for the air purifier; the carbon material is activated carbon.
Comparative example 2 preparation of Filter core Material for air purifier
Weighing 40 parts of diatomite, 40 parts of bentonite, 15 parts of magnesium hydroxide, 15 parts of carbon material, 8 parts of sodium alginate and 2 parts of nano titanium dioxide silver-carrying antibacterial agent according to parts by weight, and uniformly mixing to obtain the filter core material for the air purifier; the carbon material is graphene.
Examples of the experiments
Taking the filter element materials for the air purifier prepared in the embodiments 1-5 and the comparative examples 1-2, transferring the filter element materials into the air purifier, and testing the removal rate of formaldehyde and toluene after 1h according to an experimental method of clean air amount of gaseous pollutants in an appendix C-GB/T18801-2015; the results are shown in Table 1.
TABLE 1 removal of Formaldehyde and toluene by Filter core Material for air purifier
| Test material | Formaldehyde removal rate (%) | Toluene removal Rate (%) |
| EXAMPLE 1 Filter core Material for air purifier | 98.4 | 96.8 |
| EXAMPLE 2 Filter core Material for air purifier | 97.6 | 96.1 |
| EXAMPLE 3 Filter core Material for air purifier | 95.8 | 95.0 |
| EXAMPLE 4 Filter core Material for air purifier | 96.5 | 95.4 |
| EXAMPLE 5 Filter core Material for air purifier | 96.7 | 96.4 |
| Comparative example 1 air cleanerFilter element material for chemical equipment | 65.4 | 63.8 |
| Comparative example 2 Filter core Material for air purifier | 76.8 | 74.9 |
As can be seen from the data of the removal rate of formaldehyde and toluene in the air by the filter core materials for the air purifiers prepared in the embodiments 1 to 5, the filter core materials for the air purifiers prepared in the embodiments 1 to 5 have very excellent effect of removing formaldehyde and toluene in the air.
As can be seen from the data of the removal rate of the filter element materials for the air purifier prepared in the comparative examples 1 and 2 on formaldehyde and toluene in the air, the removal rate of the filter element materials for the air purifier on formaldehyde and toluene in the air is far lower than that of the filter element materials for the air purifier in the example 1; this shows that the carbon material prepared by the method of the present invention is added to the formulation of the filter core material for air purifiers of the present invention, so that the filter core material for air purifiers has a more significant formaldehyde and toluene removing effect than the conventional carbon material.
Example 6 preparation of viscose-based activated carbon fiber loaded with Filter core Material for air purifier
The filter element material for air cleaner prepared in example 1 was dispersed in water (the amount ratio of the filter element material for air cleaner to water was 1 g: 8mL) to form a dispersion; and then, putting the viscose-based activated carbon fibers into the filter, soaking the viscose-based activated carbon fibers for 10 hours under the ultrasonic condition, taking out the viscose-based activated carbon fibers, and drying the viscose-based activated carbon fibers to obtain the viscose-based activated carbon fibers loaded with the filter core material for the air purifier.
Claims (11)
1. The filter element material for the air purifier is characterized by comprising the following components in parts by weight:
30-50 parts of diatomite; 30-50 parts of bentonite; 10-20 parts of magnesium hydroxide; 10-20 parts of a carbon material; 5-10 parts of sodium alginate;
the carbon material is prepared by the following method:
(1) placing kaolinite in Fe (NO)3)3Ultrasonically dispersing in the solution for 30-60 min to obtain iron ion modified kaolinite;
(2) adding iron ion modified kaolinite and dopamine into water, and reacting at 200-240 ℃ for 10-15 h to obtain dopamine-iron ion modified kaolinite;
(3) calcining the kaolinite modified by dopamine-iron ions at 900-1100 ℃ for 2-3 h under the protection of inert gas, and then washing and drying to obtain the carbon material.
2. The filter element material for the air purifier as recited in claim 1, comprising the following components in parts by weight:
40-50 parts of diatomite; 40-50 parts of bentonite; 15-20 parts of magnesium hydroxide; 15-20 parts of a carbon material; 8-10 parts of sodium alginate.
3. The filter element material for the air purifier as recited in claim 1, comprising the following components in parts by weight:
40 parts of diatomite; 40 parts of bentonite; 15 parts of magnesium hydroxide; 15 parts of a carbon material; 8 parts of sodium alginate.
4. The filter element material for the air purifier as recited in claim 1, further comprising 1 to 5 parts of an antibacterial agent.
5. The filter element material for air purifier as recited in claim 4, wherein the antimicrobial agent is a nano titanium dioxide silver-loaded antimicrobial agent.
6. The filter element material for air cleaner as recited in claim 1, wherein Fe (NO) in the step (1)3)3The concentration of the solution is 0.8-1.2 mol/L.
7. The filter element material for air cleaner as recited in claim 6, wherein Fe (NO) in the step (1)3)3The concentration of the solution was 1.0 mol/L.
8. The filter element material for the air purifier as recited in claim 1, wherein the iron ion-modified kaolinite, the dopamine and the water are used in the amount ratio of 1 g: 50-80 g: 250-500 mL.
9. The filter element material for the air purifier as recited in claim 8, wherein the iron ion-modified kaolinite, the dopamine and the water in the step (2) are used in a ratio of 1 g: 60 g: 300 mL.
10. An adhesive-based activated carbon fiber loaded with a filter core material for an air purifier is characterized by being prepared by the following method:
dispersing the filter element material for an air cleaner according to any one of claims 1 to 9 in water to form a dispersion; and then, putting the viscose-based activated carbon fibers into the filter, soaking the viscose-based activated carbon fibers for 8-12 hours under an ultrasonic condition, taking out the viscose-based activated carbon fibers, and drying to obtain the viscose-based activated carbon fibers loaded with the filter core material for the air purifier.
11. The viscose-based activated carbon fiber as claimed in claim 10, wherein the ratio of the amount of the filter core material to water used in the air purifier is 1 g: 5-10 mL.
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| CN102962043A (en) * | 2012-10-11 | 2013-03-13 | 浙江大学 | Preparation method of TiO2 loaded nitric acid modified viscose-based activated carbon fiber cloth photocatalytic material |
| CN103381321B (en) * | 2013-06-25 | 2015-08-05 | 安徽凤凰滤清器股份有限公司 | A kind of air purifying filter core and preparation method thereof |
| CN110330091A (en) * | 2019-05-27 | 2019-10-15 | 中南林业科技大学 | Magnetic green material function Carbon fibe and its preparation method and application based on the catalysis of light Fenton |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102962043A (en) * | 2012-10-11 | 2013-03-13 | 浙江大学 | Preparation method of TiO2 loaded nitric acid modified viscose-based activated carbon fiber cloth photocatalytic material |
| CN103381321B (en) * | 2013-06-25 | 2015-08-05 | 安徽凤凰滤清器股份有限公司 | A kind of air purifying filter core and preparation method thereof |
| CN110330091A (en) * | 2019-05-27 | 2019-10-15 | 中南林业科技大学 | Magnetic green material function Carbon fibe and its preparation method and application based on the catalysis of light Fenton |
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