CN105727913A - Functional magnetic carbon material and preparation method and application thereof - Google Patents
Functional magnetic carbon material and preparation method and application thereof Download PDFInfo
- Publication number
- CN105727913A CN105727913A CN201610246810.4A CN201610246810A CN105727913A CN 105727913 A CN105727913 A CN 105727913A CN 201610246810 A CN201610246810 A CN 201610246810A CN 105727913 A CN105727913 A CN 105727913A
- Authority
- CN
- China
- Prior art keywords
- magnetic
- preparation
- carbonaceous material
- functional
- activated carbon
- 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
Classifications
-
- 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
- B01J20/28002—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 physical properties
- B01J20/28009—Magnetic properties
-
- 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
- B01J20/205—Carbon nanostructures, e.g. nanotubes, nanohorns, nanocones, nanoballs
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- B01J2220/4806—Sorbents characterised by the starting material used for their preparation the starting material being of inorganic character
-
- 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
- B01J2220/4812—Sorbents characterised by the starting material used for their preparation the starting material being of organic character
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Analytical Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Nanotechnology (AREA)
- Crystallography & Structural Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Water Treatment By Sorption (AREA)
Abstract
The invention belongs to the technical field of functional materials and magnetic materials, and particularly relates to a functional magnetic carbon material and a preparation method and application thereof. The preparation method of the functional magnetic carbon material is characterized in that the preparation method is simple and efficient, and the material is synthesized in one step through two processes of a coprecipitation method and a sol-gel method; magnetic nanoparticles are doped on the surface of activated carbon, the phenomenon that magnetic particles are prone to be agglomerated is relieved, and therefore products can be subjected to magnetic separation, and secondary pollution to water cannot be caused; controllability of the content of the magnetic nanoparticles, a silicon-dioxide layer and an amidogen layer can be achieved by controlling reaction conditions in the preparation process; the dispersing performance of the material is enhanced by adjusting the mass ratio of the activated carbon to the magnetic particles in a magnetic activated carbon carrier, Pb (II) in waste water is selectively adsorbed and removed, the aim of innocent treatment is achieved, and application and popularization of the material on engineering are made possible.
Description
Technical field
The invention belongs to functional material and technical field of magnetic materials, particularly to a kind of functional magnetic carbonaceous material and its preparation method and application, be mainly used in the Adsorption of heavy metal in waste water.
Background technology
Magnetic Nano material is because of its special magnetics effect, such as superparamagnetism, under additional the action of a magnetic field, accurately it can be positioned, shifts and separate, have broad application prospects in fields such as biomedicine, chemical industry, environment, pharmacy.But owing to it has higher specific surface area and easy agglomeration, to its carry out suitable finishing with reduce its surface can, can obtain that chemical stability is good, biocompatibility is good, dispersible magnetic nano-particle.Carbonaceous material (activated carbon, CNT, Graphene etc.) is because having the removal that specific surface area is big, porous, Heat stability is good, mechanical strength advantages of higher are widely used in water heavy metal.Wherein activated carbon wide material sources, less costly, environment is not polluted, be most widely used in carbonaceous material.But the shortcomings such as the high hydrophobicity of activated carbon surface, low adsorption efficiency, difficult separation limit its range of application, therefore it are carried out surface modification.Activated carbon is organically combined the complex carrier that can prepare different proportion, the dispersibility of reinforcing material and separating property with magnetic nanoparticle.Introduce corresponding functional group at carrier surface and obtain advanced composite material (ACM), strengthen its heavy metal adsorptive selectivity.
The method of synthesizing inorganic magnetic-particle and functionalization material is a lot.Be easier to frequently with operation, lower-cost chemical method obtains magnetic nano-particle, such as coprecipitation, sol-gel process, microemulsion method, hydrothermal/solvent full-boiled process, thermal decomposition method, method of electrostatic spinning etc..Functionalization material mainly adopts inorganic carrier to form the mode of composite with Organic substance/inorganic matter, is coated with organic molecule, organic polymer and inorganic material etc. by surface chemistry connection, polymerization reaction on the solid surface, surface adsorption deposition etc. at carrier surface.But all there is respective weak point in these methods, pattern and the character of its product are also not quite similar, and size is controlled, surface functional group modifies that content is high, magnetic property is strong, the functional magnetic carbonaceous material of the simple low consumption of synthesis technique and preparation method need to explore further.
Summary of the invention
It is an object of the invention to for current industrial heavy metal in waste water disposal status, magnetic Nano material and functionalization material synthesis method Problems existing, it is provided that a kind of size is controlled, surface functional group modifies the functional magnetic carbonaceous material that content is high, magnetic property is strong.
A kind of functional magnetic carbonaceous material, described magnetic nano-particle and activated carbon surface covalent bond, the silane coupler of particular functional group is modified at magnetic carbon material surface by Silanization reaction.
Preferably, the activated carbon (AC) of described functional magnetic carbonaceous material and ferroso-ferric oxide (Fe3O4) mass ratio are 1:0.25.
It addition, the present invention uses for reference the advantage of coprecipitation and silanization method, one-step method is adopted directly to have the magnetic carbon material of functional group, the simple low consumption of synthesis technique in the synthesis of carbonaceous material surface.
Functional magnetic carbonaceous material involved in the present invention modifies mode: (1) under Action of Surfactant, magnetic nano-particle by Co deposited synthesis and with carbonaceous material surface covalent bond；(2) under alcohol water mixed solvent and catalyst action, there is polycondensation reaction in the hydroxyl on the silanol key of silica precursor hydrolysis and magnetic carbon material surface and silanol key self；(3) silane coupler containing particular functional group is modified at magnetic carbon material surface by Silanization reaction；(4) magnetic nano-particle is regulated higher than obtaining surface functional group modification content by sol-gal process with carbonaceous material different quality, can the quick advanced composite material (ACM) of Magneto separate from waste water.
According to the purpose of the present invention, the present invention relates to a kind of method that can be modified to carbonaceous material magnetic, surface-functionalized, concretely comprising the following steps of the method:
(1) being dissolved in deionized water by 0.2～3.0g trivalent iron salt and 0.1～2.0g divalent iron salt, add surfactant and 0.5～1.0g activated carbon, ultrasonic disperse obtains mixed solution；
(2) mixed solution is the N of 50～300mL/min at flow velocity2Being warming up to 40～80 DEG C under protection, dropping 5～10mL ammonia makes system be pH to be 8～12, within continuously stirred 1～3 hour under 300～600r/min rotating speed, obtain black solid, by regulating activated carbon (AC) and ferroso-ferric oxide (Fe3O4) mass percent prepare the magnetic activated carbons carrier (AC/Fe of different dispersive propertys and magnetic property3O4)；
(3) prepared magnetic activated carbons carrier is joined in 100～200mL alcohol water mixed solution, it is sequentially added into 1～3mL silica precursor and the 0.2～1mL silane coupler with particular functional group in the basic conditions, after reacting 3～8 hours at 10～50 DEG C, with magnetism separate method separation product, obtain the magnetic activated carbons composite of modified with functional group.
In the inventive method, the molar concentration rate of trivalent iron salt and divalent iron salt is Fe3+:Fe2+=1.5～2:1, described trivalent iron salt is FeCl3·6H2O、Fe(NO3)3·9H2O or Fe2(SO4)3In one；Divalent iron salt is FeCl2·4H2O、Fe(NO3)2Or FeSO4·7H2One in O；
In the inventive method, surfactant used is non-ionic (polyethylene glycol type, polyol type and alkylolamides type), it is preferable that polyethylene glycol type, such as Polyethylene Glycol, polypropylene glycol, polyoxyethylate amide.Surfactant volume fraction in reaction mixture is 40-70%.
Synthesizing the magnetic activated carbons carrier of different proportion in the inventive method, the mass percent of activated carbon and ferroso-ferric oxide is respectively as follows: activated carbon (AC) 50-90%, ferroso-ferric oxide (Fe3O4) 10-50%.
The inventive method synthesizes dispersive property is better, magnetic property magnetic activated carbons carrier more preferably, activated carbon (AC) and ferroso-ferric oxide (Fe3O4) mass percent ratio be: 80:20.
In the inventive method, the disperse medium of magnetic activated carbons is the alcohol water mixed solvent of different proportion, the preferred methanol of alcohols, ethanol, isopropanol.Volume ratio of alcohol to water VAlcohol: VWater=14～4:1.
The silica precursor used in the inventive method is the compound that energy hydrolysis silanol key polycondensation become silicon dioxide, it is preferable that silicate ester compound, such as methyl silicate, tetraethyl orthosilicate, positive silicic acid propyl ester.
Alkoxy silane, dialkoxy silicane or trialkoxy silane are contained in the silane coupler one end used in the inventive method, the other end is the organic alkane chain with particular functional group, preferred amino silicane coupling agent, such as 3-aminopropyl trimethoxysilane, 3-aminopropyl triethoxysilane, N-θ (aminoethyl)-γ aminopropyl trimethoxysilane.
For realizing composite size tunable and improving the percent by volume ratio of the silicate ester compound that uses of heavy metal adsorption and amino silicane coupling agent and be in the inventive method: 80:20.
It addition, the amino functional magnetic activated carbons materials application prepared by the present invention is in the removal of heavy metal in waste water, especially the Pb (II) in waste water solution is removed in selective absorption.
The preparation method that disclosure sets forth a kind of functional magnetic carbonaceous material, feature is as follows: (1) preparation method simple and effective, adopts coprecipitation sol-gal process two-step process one-step synthesis；(2) activated carbon surface doped magnetic nano-particle, improves the easy agglomeration of magnetic particle, makes product be able to Magneto separate, do not result in the secondary pollution of water body；(3) preparation process control reaction condition can realize the controlled of magnetic nano-particle content, silicon dioxide layer and amino layer；(4) by the quality of activated carbon and magnetic particle in adjustment magnetic activated carbons carrier than the dispersive property of reinforcing material, the Pb (II) in waste water is removed in selective absorption, reach the purpose of harmless treatment, provide possibility for realizing its application in engineering and popularization.
Accompanying drawing explanation
Fig. 1 is the made activated carbon (AC) of the embodiment of the present invention, amino functional activated carbon (ACSiO2-NH2) and amino functional magnetic activated carbons (AC/Fe3O4SiO2-NH2,mAC:mFe3O4=1:0.25) stereoscan photograph and the transmission electron microscope photo of amino functional magnetic activated carbons；
Fig. 2 is the made activated carbon (AC) of the embodiment of the present invention, magnetic particle (Fe3O4), amino functional activated carbon (ACSiO2-NH2) and amino functional magnetic activated carbons (AC/Fe3O4SiO2-NH2,mAC:mFe3O4=1:0.25) X-ray powder diffraction pattern；
Fig. 3 is the made activated carbon (AC) of the embodiment of the present invention, amino functional activated carbon (ACSiO2-NH2), amino functional magnetic activated carbons (AC/Fe before and after absorption Pb (II)3O4SiO2-NH2,mAC:mFe3O4=1:0.25) infared spectrum；
Fig. 4 is different quality ratio (mAC:mFe3O4) amino functional magnetic activated carbons (AC/Fe3O4SiO2-NH2) composite adsorption effect figure to Pb (II).
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, the present invention is described further.
Embodiment 1: amino functional magnetic activated carbons (mAC:mFe3O4=1:0.25) preparation of composite
(1) magnetic activated carbons (AC/Fe3O4) preparation
By 0.5883gFeCl3·6H2O and 0.3779gFeSO4·7H2O is dissolved in 25mL deionized water for ultrasonic and dissolves, wherein Fe3+With Fe2+Concentration mol ratio be 1.6:1, add 25mL polyglycol solution and 0.5g activated carbon ultrasonic disperse afterwards, be then 200mL/minN at flow velocity2Protection under, the mixed solution of dropping 10mL ammonia and 25mL Polyethylene Glycol, low whipping speed is 400r/min; temperature is stirring reaction 1h in the water-bath of 60 DEG C; constant temperature 1h after stopping stirring, afterwards with deionized water wash to neutral, obtains mass ratio mAC:mFe after Magneto separate3O4The magnetic activated carbons of=1:0.25.
(2) amino functional magnetic activated carbons (mAC:mFe3O4=1:0.25) preparation of composite
The AC/Fe that step (1) is prepared3O4Carrier is equipped with 150mL alcohol water mixed solution (VEthanol:VWater=12:1) there-necked flask in ultrasonic disperse 15min, afterwards there-necked flask is transferred in the water-bath of 30 DEG C, adding 3mL ammonia makes reaction system be alkalescence, it is reaction 30min under 300r/min at speed of agitator, it is subsequently adding 1mL tetraethyl orthosilicate as silane crosslinker, 0.25mL3-aminopropyl trimethoxysilane is added after reaction 45min, constant temperature stirs product Magneto separate after 4 hours, with deionized water wash to neutral, vacuum drying 12h at 60 DEG C, prepares amino functional magnetic activated carbons (mAC:mFe3O4=1:0.25).
Embodiment 2: amino functional magnetic activated carbons (mAC:mFe3O4=1:0.5) preparation of composite
(1) preparation of magnetic activated carbons carrier is with described in step (1) in embodiment 1.The difference is that the FeCl added3·6H2O and FeSO4·7H2The quality of O respectively 1.1767g and 0.7558g.
(2) amino functional magnetic activated carbons (mAC:mFe3O4=1:0.5) preparation with described in step (2) in embodiment 1.
Embodiment 3: amino functional magnetic activated carbons (mAC:mFe3O4=1:0.15) preparation of composite
(1) preparation of magnetic activated carbons carrier is with described in step (1) in embodiment 1.The difference is that the FeCl added3·6H2O and FeSO4·7H2The quality of O respectively 0.353g and 0.2267g.
(2) amino functional magnetic activated carbons (mAC:mFe3O4=1:0.15) preparation with described in step (2) in embodiment 1.
Embodiment 4:Fe3O4The preparation of nano-particle
There-necked flask equipped with 25ml deionized water is sequentially added into 4.7067gFeCl3·6H2O and 3.025gFeSO4·7H2O, adds 25mL polyglycol solution, ultrasonic mixing after ultrasonic dissolution.The mixed solution of dropping 10mL strong aqua ammonia and 25mL Polyethylene Glycol afterwards, at 60 DEG C, mixing speed is 400r/min, N2Stirring reaction 1h in atmosphere, stands 1h afterwards, after above-mentioned product Magneto separate, is washed till neutrality with deionized water, obtains magnetic Fe3O4Nano-particle.
Embodiment 5: amino functional activated carbon (ACSiO2-NH2) preparation of material
The preparation of amino functional activated carbon is with described in step (2) in embodiment 1.The difference is that the carrier added be AC.
The various types of materials sample embodiment of the present invention prepared is characterized by means such as scanning electron microscope (SEM), transmission electron microscope (TEM), infrared spectrum (FTIR), X-ray diffractions (XRD), and is applied in waste water Pb2+Adsorption.
Fig. 1-3 is AC, Fe of obtaining according to embodiments of the present invention respectively3O4、ACSiO2-NH2And AC/Fe3O4SiO2-NH2Scanning/transmission electron microscope photo, infrared spectrogram and X-ray diffractogram；
Composite material surface after functional modification is more coarse as shown in Figure 1, and grain structure is more tight, and black nano uniform particle is dispersed in activity carbon carrier；It is agraphitic carbon that the XRD figure of Fig. 2 shows activated carbon, Fe3O4Exist with cubic spinel structure, after functional modification, do not change the crystal structure of magnetic nano-particle；Strong stretching vibration peak Si-O-Si and bending vibration peak Si-OH be can be observed, it was shown that SiO from Fig. 32It is wrapped in activated carbon surface；C-H and N-H stretching vibration peak and more weak C-N rocking vibration peak and-NH2Amino group is contained on illustrative material surface, bending vibration peak.
Embodiment 6: different AC/Fe prepared by method described in Application Example 1-33O4The amino functional magnetic activated carbons composite (mAC:mFe of mass ratio3O4=1:0.5,1:0.25,1:0.15) as sorbent treatment laboratory simulation containing Pb (II) waste water, measure its absorption property to Pb (II).
Experimental result as shown in Figure 4, AC/Fe3O4SiO2-NH2(mAC:mFe3O4=1:0.25) adsorption capacity of Pb (II) is maximum, up to 104.2mg/g.Additionally, this ratio composite is not easily reunited, there is good magnetic property, can effectively and rapidly separate and recover from aqueous solution；This material is relatively stable under weak acid environment, discharges Fe3+Concentration is non-normally low, does not result in the secondary pollution of water body.
AC/Fe of the present invention3O4SiO2-NH2Preparation process is simple, reaction condition is gentle, introduces magnetic nano-particle and realizes Magneto separate quickly and easily, and carbonaceous material is carried out finishing, strengthen the Adsorption of its heavy metal Pb (II), in heavy metal in waste water process, have wide market prospect.
Claims (10)
1. a functional magnetic carbonaceous material, it is characterised in that: magnetic nano-particle and activated carbon surface covalent bond, the silane coupler of the particular functional group such as amino is modified at magnetic carbon material surface by Silanization reaction.
2. functional magnetic carbonaceous material according to claim 1, it is characterised in that: activated carbon (AC) and ferroso-ferric oxide (Fe3O4) mass ratio of described functional magnetic carbonaceous material are 1:0.25.
3. the preparation method of functional magnetic carbonaceous material described in claim 1, it is characterised in that: comprise the following steps: (1) under Action of Surfactant, magnetic nano-particle by Co deposited synthesis and with carbonaceous material surface covalent bond；(2) under alcohol water mixed solvent and catalyst action, there is polycondensation reaction in the hydroxyl on the silanol key of silica precursor hydrolysis and magnetic carbon material surface and silanol key self；(3) silane coupler containing particular functional group is modified at magnetic carbon material surface by Silanization reaction；(4) magnetic nano-particle is regulated higher than obtaining surface functional group modification content by sol-gal process with carbonaceous material different quality, can the quick advanced composite material (ACM) of Magneto separate from waste water.
4. preparation method according to claim 3, it is characterised in that: specifically include following steps:
(1) being dissolved in deionized water by 0.2～3.0g trivalent iron salt and 0.1～2.0g divalent iron salt, add surfactant and 0.5～1.0g activated carbon, ultrasonic disperse obtains mixed solution；
(2) mixed solution is the N of 50～300mL/min at flow velocity2Being warming up to 40～80 DEG C under protection, dropping 5～10mL ammonia makes system pH be 8～12, within continuously stirred 1～3 hour under 300～600r/min rotating speed, obtains black solid；
(3) prepared magnetic activated carbons carrier is joined in 100～200mL alcohol water mixed solution, it is sequentially added into 1～3mL silica precursor and the 0.2～1mL silane coupler with particular functional group in the basic conditions, after reacting 3～8 hours at 10～50 DEG C, with magnetism separate method separation product, obtain the magnetic activated carbons composite of modified with functional group；
(4) by regulating activated carbon (AC) and ferroso-ferric oxide (Fe3O4) mass percent prepare the magnetic activated carbons carrier (AC/Fe of different dispersive propertys and magnetic property3O4), and then obtain finished product.
5. the preparation method of functional magnetic carbonaceous material according to claim 4, it is characterised in that: the molar concentration rate of trivalent iron salt used and divalent iron salt is Fe3+:Fe2+=1.5～2:1.
6. the preparation method of functional magnetic carbonaceous material according to claim 4, it is characterised in that: surfactant used is non-ionic, and surfactant volume fraction in reaction mixture is 40-70%；The disperse medium of magnetic activated carbons is alcohol water mixed solvent, volume ratio of alcohol to water VAlcohol: VWater=14～4:1.
7. the preparation method of functional magnetic carbonaceous material according to claim 4, it is characterised in that: in preparation process, the mass percent of activated carbon and ferroso-ferric oxide is respectively as follows: activated carbon (AC)=50-90%, ferroso-ferric oxide (Fe3O4)=10-50%.
8. the preparation method of functional magnetic carbonaceous material according to claim 4, it is characterised in that: activated carbon (AC) and ferroso-ferric oxide (Fe in preparation process3O4) mass percent ratio be: 80:20.
9. the preparation method of functional magnetic carbonaceous material according to claim 4, it is characterised in that: the silica precursor used is the compound that energy hydrolysis silanol key polycondensation become silicon dioxide；Alkoxy silane, dialkoxy silicane or trialkoxy silane are contained in the silane coupler one end used, and the other end is the organic alkane chain with particular functional groups such as amino, and the percent by volume ratio of silica precursor and silane coupler is: 80:20.
10. the functional magnetic carbonaceous material described in claim 1 or 2 is removed containing the application in Pb (II) waste water in selective absorption.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246810.4A CN105727913A (en) | 2016-04-18 | 2016-04-18 | Functional magnetic carbon material and preparation method and application thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610246810.4A CN105727913A (en) | 2016-04-18 | 2016-04-18 | Functional magnetic carbon material and preparation method and application thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105727913A true CN105727913A (en) | 2016-07-06 |
Family
ID=56255600
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610246810.4A Pending CN105727913A (en) | 2016-04-18 | 2016-04-18 | Functional magnetic carbon material and preparation method and application thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105727913A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111089A (en) * | 2016-07-23 | 2016-11-16 | 芜湖长启炉业有限公司 | Based on silica gel modification for compositions purifying grain-drying tail gas and its preparation method and application |
| EP3290109A1 (en) * | 2016-09-01 | 2018-03-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetised activated carbon and method for its preparation |
| CN110064357A (en) * | 2019-04-04 | 2019-07-30 | 浙江大学 | Efficiently except the preparation method of antimony adsorbent and its application in treatment of dyeing wastewater |
| CN110538630A (en) * | 2019-08-27 | 2019-12-06 | 华南农业大学 | Acid-resistant camellia oleifera shell-based magnetic activated carbon and preparation method thereof |
| CN111760461A (en) * | 2020-06-24 | 2020-10-13 | 上海应用技术大学 | Preparation method of polyvinylidene fluoride mixed matrix film |
| CN113509813A (en) * | 2021-07-08 | 2021-10-19 | 广西柳州中和高新技术有限公司 | Ag@Fe3O4@C/TiO2Synthesis method and application of nano material |
| CN114471473A (en) * | 2022-02-09 | 2022-05-13 | 浙江工业大学 | Preparation method of functionalized magnetic nano composite material ferroferric oxide/silicon dioxide-APTMS |
| CN114946878A (en) * | 2021-07-08 | 2022-08-30 | 广西柳州中和高新技术有限公司 | Ag@Fe 3 O 4 @SiC/TiO 2 Synthesis method and application of nano material |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040147397A1 (en) * | 2002-02-26 | 2004-07-29 | Miller Jan D. | Magnetic activated carbon particles for adsorption of solutes from solution |
-
2016
- 2016-04-18 CN CN201610246810.4A patent/CN105727913A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20040147397A1 (en) * | 2002-02-26 | 2004-07-29 | Miller Jan D. | Magnetic activated carbon particles for adsorption of solutes from solution |
Non-Patent Citations (1)
| Title |
|---|
| RUIQI FU等: "Adsorptive removal of Pb(II) by magnetic activated carbon incorporated with amino groups from aqueous solutions", 《JOURNAL OF THE TAIWAN INSTITUTE OF CHEMICAL ENGINEERS》 * |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106111089A (en) * | 2016-07-23 | 2016-11-16 | 芜湖长启炉业有限公司 | Based on silica gel modification for compositions purifying grain-drying tail gas and its preparation method and application |
| CN106111089B (en) * | 2016-07-23 | 2018-08-21 | 芜湖长启炉业有限公司 | The composition and its preparation method and application for purifying grain-drying tail gas being modified based on silica gel |
| EP3290109A1 (en) * | 2016-09-01 | 2018-03-07 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Magnetised activated carbon and method for its preparation |
| CN110064357A (en) * | 2019-04-04 | 2019-07-30 | 浙江大学 | Efficiently except the preparation method of antimony adsorbent and its application in treatment of dyeing wastewater |
| CN110538630A (en) * | 2019-08-27 | 2019-12-06 | 华南农业大学 | Acid-resistant camellia oleifera shell-based magnetic activated carbon and preparation method thereof |
| CN111760461A (en) * | 2020-06-24 | 2020-10-13 | 上海应用技术大学 | Preparation method of polyvinylidene fluoride mixed matrix film |
| CN113509813A (en) * | 2021-07-08 | 2021-10-19 | 广西柳州中和高新技术有限公司 | Ag@Fe3O4@C/TiO2Synthesis method and application of nano material |
| CN113509813B (en) * | 2021-07-08 | 2022-07-26 | 广西柳州中和高新技术有限公司 | Ag@Fe 3 O 4 @C/TiO 2 Synthesis method and application of nano material |
| CN114946878A (en) * | 2021-07-08 | 2022-08-30 | 广西柳州中和高新技术有限公司 | Ag@Fe 3 O 4 @SiC/TiO 2 Synthesis method and application of nano material |
| CN114946878B (en) * | 2021-07-08 | 2024-05-14 | 广西柳州中和高新技术有限公司 | Ag@Fe3O4@SiC/TiO2Method for synthesizing nano material and application thereof |
| CN114471473A (en) * | 2022-02-09 | 2022-05-13 | 浙江工业大学 | Preparation method of functionalized magnetic nano composite material ferroferric oxide/silicon dioxide-APTMS |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105727913A (en) | Functional magnetic carbon material and preparation method and application thereof | |
| Abdullah et al. | Solid matrices for fabrication of magnetic iron oxide nanocomposites: synthesis, properties, and application for the adsorption of heavy metal ions and dyes | |
| Ansari et al. | Green synthesis of magnetic chitosan nanocomposites by a new sol–gel auto-combustion method | |
| Yang et al. | Corn straw-derived biochar impregnated with α-FeOOH nanorods for highly effective copper removal | |
| Ahangaran et al. | Surface modification of Fe 3 O 4@ SiO 2 microsphere by silane coupling agent | |
| Li et al. | Solvothermal synthesis of MnxFe3− xO4 nanoparticles with interesting physicochemical characteristics and good catalytic degradation activity | |
| CN101723655B (en) | Preparation method of Mn-Zn ferrite cobalt-doped nano material | |
| CN107961764B (en) | A kind of preparation method of carboxymethyl-beta-cyclodextrin functional magnetic mesoporous silicon microballoon | |
| Hu et al. | Magnetic nanoparticle sorbents | |
| CN103599751A (en) | Preparation method of thiol-functionalized magnetic silica nano-material | |
| Zhang et al. | Magnetic iron oxide/graphene oxide nanocomposites: Formation and interaction mechanism for efficient removal of methylene blue and p-tert-butylphenol from aqueous solution | |
| CN102941057B (en) | Preparation method and application of magnetic compound arsenic adsorption agent | |
| CN103432996A (en) | Preparation method of graphene oxide and magnetic mesoporous silica composite material capable of adsorbing pollutants in water | |
| Caparrós et al. | Hydrothermal assisted synthesis of iron oxide-based magnetic silica spheres and their performance in magnetophoretic water purification | |
| JP2005507316A (en) | Composite particles containing superparamagnetic iron oxide | |
| WO2016149711A1 (en) | Silica nanostructures, large-scale fabrication methods, and applications thereof | |
| Wang et al. | Hydrothermal synthesis of 3D hollow porous Fe 3 O 4 microspheres towards catalytic removal of organic pollutants | |
| Wang et al. | Superhydrophobic magnetic core–shell mesoporous organosilica nanoparticles with dendritic architecture for oil–water separation | |
| Liu et al. | Adsorption of phosphate ions from aqueous solutions by a CeO2 functionalized Fe3O4@ SiO2 core-shell magnetic nanomaterial | |
| Zhang et al. | A facile route to magnetic mesoporous core–shell structured silicas containing covalently bound cyclodextrins for the removal of the antibiotic doxycycline from water | |
| Abramson et al. | An eco-friendly route to magnetic silica microspheres and nanospheres | |
| CN109569518A (en) | The preparation method of the magnetic hollow Manganese Ferrite nano-compound adsorbent of cysteine functionalization | |
| CN108405879A (en) | A kind of preparation method of nano zero valence iron@meso pore silicon oxide materials | |
| CN104439276A (en) | Method for fast preparing hollow porous silicon dioxide/silver nanoparticle composite and product | |
| Yu et al. | Adsorption mechanism of methylene blue from water using core-shell structured magnetic Mn0. 6Zn0. 4Fe2O4@ SiO2 as efficient recyclable adsorbent |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160706 |