CN106044744B - A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material - Google Patents
A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material Download PDFInfo
- Publication number
- CN106044744B CN106044744B CN201610379888.3A CN201610379888A CN106044744B CN 106044744 B CN106044744 B CN 106044744B CN 201610379888 A CN201610379888 A CN 201610379888A CN 106044744 B CN106044744 B CN 106044744B
- Authority
- CN
- China
- Prior art keywords
- graphene
- lignin
- plate material
- carbon plate
- combined multi
- 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.)
- Expired - Fee Related
Links
Classifications
-
- 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
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
-
- 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
- C02F2101/30—Organic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
Abstract
The present invention provides a kind of graphene/lignin-base combined multi-stage hole carbon plate material preparation method and its usages; it carries out: graphene oxide being uniformly mixed with sodium lignin sulfonate as steps described below the carbonization of step 1, precursor:; under inert gas protection; it is carbonized in tube furnace, obtains carbide；Step 2, activation of potassium hydroxide: potassium hydroxide is mixed with the carbide in step 1 and is ground uniformly, under inert gas protection, is activated in tube furnace, obtains activation products；Activation products in step 2 are immersed in hydrochloric acid and impregnate by step 3, and to remove impurity, vacuum filtration, water washing to neutrality is dried to obtain graphene/lignin-base combined multi-stage hole carbon plate material.Graphene/lignin-base combined multi-stage hole carbon plate material high-specific surface area of method preparation through the invention, can be widely used in fields such as adsorbing separation, catalyst carriers.
Description
Technical field
The present invention relates to a kind of graphene/lignin-base combined multi-stage hole carbon plate material preparation method and its usages, belong to
Technical field of environment function material preparation.
Background technique
Ciprofloxacin is the third generation carbostyril family antibacterial drugs of synthesis, has broad spectrum antibiotic activity, bactericidal effect is good, several
It is 2~4 times strong compared with Norfloxacin and Enoxacin to the germy antibacterial activity of institute, it is thermophilic to enterobacteria, Pseudomonas aeruginosa, influenza
Blood bacillus, gonococcus, streptococcus, Legionella, staphylococcus aureus have antibacterial action.For each system of whole body interference,
There is good effect to alimentary canal, respiratory tract, urogenital tract, skin soft-tissue infection and mycoplasma infection etc..Therefore Ciprofloxacin
Antibiotic is widely used in human medical and animal husbandry.But most of Ciprofloxacin into body cannot fully absorb,
Major part is not engaged in metabolism and excludes in vitro, to still maintain bioactivity, into environment, turned in microorganism
It moves and propagates and generate toxic effect.In addition, the antibiotic content in hospital wastewater is higher, far beyond the self-regeneration model of ecology
It encloses, leads to the pollution suddenly with water environment.Domestic and foreign scholars' research has confirmed that there are cyclopropyl sand in soil and water environment
Star antibiotic residue, and the extensive concern of environmental ecology is caused, therefore, establish and develop effective and economic and practical processing hand
Section is come selectively to remove Ciprofloxacin antibiotic residue in environment be extremely urgent.
Multilevel hole material is a kind of by the mutually material of foramen magnum-mesoporous-micropore perforation or closed spacial framework, hole
The boundary or surface in hole are made of pillar or plate；For continuous media material, multilevel hole material generally have density it is low,
Intensity is big, specific surface area is high, light-weight, sound insulation, it is heat-insulated the advantages that, multilevel hole material has the multistage pore canal knot of open communication
The specific surface area of structure, superelevation, the design feature determine that it has excellent adsorption capacity, due to gas with various or point of liquid
Sub- size is different, and freedom of motion degree is different, so the multilevel hole material of same apertures range is to gas not of the same race or liquid
Adsorption capacity it is different；Active carbon has the surface of flourishing pore structure, high-specific surface area, high surface and multiplicity because of it
Chemical property and become widely used high-efficiency adsorbent, production activated carbon raw material can be coal, sawdust, shell etc.；Current
Resource scarcity, the energy are critical, in the case where environmental degradation, the original that circulation and the clean utilization of resource promote Activated Carbon Production to use
Expect to tilt to refuse reclamation direction, such as waste tire, lignin plant waste.
The present invention makes full use of resource, will adulterate the sodium lignin sulfonate of certain proportion graphene oxide as body before carbon
Body prepares the multi-stage porous carbon sheet material of high-specific surface area using potassium hydroxide as activator, has to Ciprofloxacin antibiotic
There is good adsorption effect, is a kind of promising adsorbent of tool.
Summary of the invention
The object of the present invention is to provide a kind of graphene/lignin-base combined multi-stage hole carbon plate material preparation methods, first
First by carbon precursor high temperature cabonization under nitrogen protection；Secondly, using chemical activating agent potassium hydroxide to carbon under high-temperature calcination
Compound is activated；It obtains finally, being removed impurity with hydrochloric acid and being washed with deionized water or hot water to neutrality with Gao Bibiao
The multi-stage porous carbon sheet material of area；And by a variety of characterization methods, the parameters such as pattern and the pore distribution of composite material are disclosed,
Multi-stage porous carbon plate material is obtained to the removal capacity of ciprofloxacin in water environment antibiotic using adsorption experiment research institute.
The technical solution adopted by the present invention is that:
A kind of preparation method of graphene/lignin-base combined multi-stage hole carbon plate material carries out as steps described below:
The carbonization of step 1, precursor: graphene oxide is uniformly mixed with sodium lignin sulfonate, in inert gas shielding
Under, it is carbonized in tube furnace, obtains carbide；
Step 2, activation of potassium hydroxide: potassium hydroxide is mixed with the carbide in step 1 and is ground uniformly, in indifferent gas
Under body protection, is activated in tube furnace, obtain activation products；
Activation products in step 2 are immersed in hydrochloric acid and impregnate by step 3, and to remove impurity, vacuum filtration, water washing is extremely
Neutrality is dried to obtain graphene/lignin-base combined multi-stage hole carbon plate material.
In step 1, used inert gas is nitrogen, and the temperature of the carbonization is 500 DEG C, and heating rate is 3~10
℃min-1, and 2h is kept at 500 DEG C.
In step 1, the mass ratio of used graphene oxide and sodium lignin sulfonate is 1~8:100.
In step 2, the mass ratio of used potassium hydroxide and carbide is 0~4:1.
In step 2, the activation temperature is 850 DEG C, and heating rate is 3~10 DEG C of min-1, and 1h is kept at 850 DEG C.
In step 3, the washing is with deionized water or distilled water or hot water wash.
In step 3, the concentration of hydrochloric acid is 0.5~12mol L-1。
Prepared graphene/lignin-base combined multi-stage hole carbon plate material is used to adsorb the antibiotic in water, such as adsorbs
Ciprofloxacin in water.
The utility model has the advantages that
(1) persursor material used in the present invention is sodium lignin sulfonate, abundance, cheap.
(2) graphene made from/lignin-base combined multi-stage hole carbon plate material has a high-specific surface area, high adsorption capacity, fast
Speed absorption, the performances such as performance is stable, regeneration reusing is good.
(3) in view of the graphene/lignin-base combined multi-stage hole carbon plate material high-specific surface area, can adsorbing separation,
The fields such as catalyst carrier are widely used.
(4) of the invention preparation method is simple, process is shorter, easy controlled operation, is suitable for promoting the use of.
Detailed description of the invention
Fig. 1 is the graphene/lignin-base combined multi-stage hole carbon plate material scanning electron microscope (SEM) photograph prepared in embodiment 1,
In (a) is graphene oxide and prepared by when sodium lignin sulfonate mass ratio is 1:100 GLHPC-1 scanning electron microscope (SEM) photograph, (b) be
The scanning electron microscope (SEM) photograph for the GLHPC-3 that graphene oxide and sodium lignin sulfonate mass ratio are prepared when being 3:100；
Fig. 2 is graphene oxide and graphene/lignin-base combined multi-stage hole carbon plate material transmission electricity in embodiment 1
Mirror figure, wherein (a) is the transmission electron microscope picture of graphene oxide, and (b) be graphene oxide and sodium lignin sulfonate mass ratio is 1:
The scanning electron microscope (SEM) photograph of the GLHPC-1 prepared when 100；
Fig. 3 is that graphene oxide and sodium lignin sulfonate mass ratio are followed successively by the GLHPC- prepared when 1:100 in embodiment 1
1 N2Adsorption-desorption isothermal measures curve graph, and in illustration, curve a is the pore size distribution curve being calculated according to DFT method,
Curve b is accumulative pore capacities distribution curve；
Fig. 4 is that graphene oxide and sodium lignin sulfonate mass ratio are followed successively by the GLHPC- prepared when 1:100 in embodiment 1
The adsorption curve figure of the Ciprofloxacin of 1 pair of different initial concentration；
Fig. 5 is that graphene oxide and sodium lignin sulfonate mass ratio are followed successively by the GLHPC- prepared when 1:100 in embodiment 1
1 under water environment to the curve of adsorption kinetics figure of Ciprofloxacin；
Fig. 6 is that graphene oxide and sodium lignin sulfonate mass ratio are followed successively by the GLHPC- prepared when 1:100 in embodiment 1
3 times of 1 pair of Ciprofloxacin recycle the adsorption effect figure.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings:
Embodiment 1:
Graphene oxide and sodium lignin sulfonate are uniformly mixed, graphene oxide and sodium lignin sulfonate mass ratio are successively
For 1:100,2:100,3:100,5:100 and 8:100, the mixture of different proportion is put into porcelain boat, in tube furnace
It is carbonized under the atmosphere of nitrogen, carburizing temperature is 500 DEG C, and heating rate is 5 DEG C of min-1, 2h is maintained, carbide is obtained；By hydroxide
Potassium and carbide are uniform with mass ratio 1:4 mixed grinding, place into nickel pot, close the lid, in the atmosphere of nitrogen in tube furnace
Lower activation, activation temperature are 800 DEG C, and heating rate is 5 DEG C of min-1, maintain 1h.By activation products 0.5mol L-1Hydrochloric acid
It impregnates and removes impurity, vacuum filtration, deionized water is washed till neutrality, is drying to obtain graphene/lignin-base combined multi-stage hole carbon plate
Material.It is once GLHPC-1, GLHPC-2, GLHPC- by Product Labeling according to graphene oxide and sodium lignin sulfonate mass ratio
3、GLHPC-5、GLHPC-8。
Pass through the comparison to (a) and (b) in Fig. 1, it can be seen that as graphene oxide (GO) dosage increases GLHPC's
Pattern is changed, and the laminated structure of GLHPC is thinning, is shown on the one hand GO plays the role of induction pattern plate, is on the other hand played
Confinement carbonization and activation.
What (a) was represented in Fig. 2 is the TEM figure of GO, ultra-thin structure and be transparent, internal interaction makes GO
Show fold occur.(b) show GLHPC-1 TEM figure, it is shown that thicker laminated structure, but surface it is more coarse containing
A large amount of mesoporous and micron duct.
It can be concluded that, GLHPC-1 is to N in Fig. 32Absorption show based on I type isothermal adsorption, have apparent micropore
Feature.The specific surface area and pore volume of GLHPC-1 is up to 3223m respectively2g-1And 2.275cm3g-1.Illustration is DFT pore-size distribution
With accumulative pore volume distribution curve, macropore range is 2.0~5.0nm.These results indicate that adsorbent has a large amount of micropore and Jie
Hole has superhigh specific surface area.
Fig. 4 is that the adsorption capacity for showing GLHPC-1 to Ciprofloxacin is gradually increased with the increase of CIP initial concentration,
And progressively reach balance.Meanwhile it increasing temperature and being able to ascend absorption property, 597.1mg g of the CIP adsorbance from 298K-1Increase
To 318K 946.9mg g-1, it is shown that good affinity.
Fig. 5 be multi-stage porous carbon material under water environment to the curve of adsorption kinetics of CIP.Initially, with time of contact
Increase, adsorbance increases sharply, slowly tends to balance after 30min, shows supper-fast adsorption equilibrium.
Fig. 6 shows to still maintain higher value to the adsorbance of Ciprofloxacin after multi-stage porous carbon is recycled at 3 times.
Absorption under the pore property and different temperatures of 1 GLHPC-1 of table to Ciprofloxacin
Embodiment 2:
Graphene oxide and sodium lignin sulfonate are uniformly mixed, graphene oxide and sodium lignin sulfonate mass ratio are 1:
100, mixture is put into porcelain boat, is carbonized under the atmosphere of nitrogen in tube furnace, carburizing temperature is 500 DEG C, heating speed
Rate is 3 DEG C of min-1, 2h is maintained, carbide is obtained；Potassium hydroxide is successively mixed with carbide with mass ratio 0:1,1:1,2:1,3:1
It closes grinding uniformly, places into nickel pot, close the lid, activated under the atmosphere of nitrogen in tube furnace, activation temperature is 800 DEG C,
Heating rate is 3 DEG C of min-1, maintain 1h.By activation products 1mol L-1Salt acid soak remove impurity, be filtered by vacuum, distillation
It is washed to neutrality, is drying to obtain graphene/lignin-base combined multi-stage hole carbon plate material.
Embodiment 3:
Graphene oxide and sodium lignin sulfonate are uniformly mixed, graphene oxide and sodium lignin sulfonate mass ratio are 1:
100, mixture is put into porcelain boat, is carbonized under the atmosphere of nitrogen in tube furnace, carburizing temperature is 500 DEG C, heating speed
Rate is 3 DEG C of min-1, 2h is maintained, carbide is obtained；Potassium hydroxide is successively uniform with mass ratio 1:1 mixed grinding with carbide,
Nickel pot is placed into, is closed the lid, is activated under the atmosphere of nitrogen in tube furnace, activation temperature is 800 DEG C, heating rate 7
℃min-1, maintain 1h.By activation products 1mol L-1Salt acid soak remove impurity, vacuum filtration, be washed till neutrality with hot water,
It is drying to obtain graphene/lignin-base combined multi-stage hole carbon plate material.
The multi-stage porous carbon prepared under different parameters is detailed to the adsorbance and specific surface area of Ciprofloxacin to be listed in table 1.
2, below with reference to specific implementation example, the present invention will be further described:
Absorption property evaluation carries out by the following method in specific embodiment in the present invention: complete using Staticadsorption experiment
At；The ciprofloxacin solution of 10mL various concentration is added in centrifuge tube, 2.0mg multi-stage porous carbon sheet material is added thereto respectively
Material is stood in water bath with thermostatic control, has investigated pH value of solution, the influence that adsorbent amount, time of contact, temperature adsorb Ciprofloxacin；
After absorption reaches saturation, 0.45 μm of membrane filtration collects supernatant liquor, is measured at λ=277nm with ultraviolet-visible photometer
Remaining Ciprofloxacin Concentration in test solution, is calculated adsorption capacity (Qe)。
Wherein C0(μm ol/L) and Ce(μm ol/L) is initial and equilibrium concentration respectively, and m (mg) is adsorbent amount, V (mL)
For liquor capacity.
Experimental example 1: taking 10ml initial concentration is respectively 100,150,200,250 and 280mg L-1Ciprofloxacin solution add
Enter into centrifuge tube, is separately added into 2.0mg graphene/lignin-base combined multi-stage hole carbon plate material, test fluid is placed on 298K
After standing 12h in water-bath, supernatant liquor is collected, the concentration of the unadsorbed third husky star is measured with ultraviolet-uisible spectrophotometer,
And adsorption capacity is calculated according to result.
Experimental example 2: taking 10ml initial concentration is 200mg L-1Ciprofloxacin solution be added in centrifuge tube, be separately added into
2.0mg graphene/lignin-base combined multi-stage hole carbon plate material, test fluid is placed in 25 DEG C of water-bath and stands 5 respectively, 10,
15,30,60,90,180 and 360min.Supernatant liquor is collected, the concentration of unadsorbed Ciprofloxacin is divided light with UV, visible light
Degree meter measurement, and adsorption capacity is calculated according to result；The result shows that: graphene/lignin-base combined multi-stage hole carbon plate material
There is well good adsorption dynamics adsorption kinetics performance to Ciprofloxacin.
Experimental example 3: taking 10ml initial concentration is 200mg L-1Different pH (3.0,4.0,5.0,6.0,7.0 and 8.0)
Ciprofloxacin solution is added in centrifuge tube, is separately added into 2.0mg graphene/lignin-base combined multi-stage hole carbon plate material,
Test fluid is placed on stand 12h in 25 DEG C of water-bath after, collect supernatant liquor, the concentration of unadsorbed Ciprofloxacin with it is ultraviolet can
See spectrophotometric determination, and adsorption capacity is calculated according to result；The result shows that: graphene/lignin-base combined multi-stage hole
Carbon plate material has well good adsorption dynamics adsorption kinetics performance to Ciprofloxacin.
Claims (4)
1. a kind of graphene/lignin-base combined multi-stage hole carbon plate material preparation method, which is characterized in that as steps described below
It carries out:
The carbonization of step 1, precursor: graphene oxide is uniformly mixed with sodium lignin sulfonate, used graphene oxide
Mass ratio with sodium lignin sulfonate is that 1~8:100 is carbonized in tube furnace under nitrogen protection, obtains carbide；
The temperature of the carbonization is 500 DEG C, and heating rate is 3~10 DEG C of min-1, and 2h is kept at 500 DEG C；
Step 2, activation of potassium hydroxide: potassium hydroxide is mixed with the carbide in step 1 and is ground uniformly, potassium hydroxide and carbon
The mass ratio of compound is that 1~4:1 is activated in tube furnace under inert gas protection, obtains activation products；The work
Changing temperature is 850 DEG C, and heating rate is 3~10 DEG C of min-1, and 1h is kept at 850 DEG C；
Activation products in step 2 are immersed in hydrochloric acid and impregnate by step 3, to remove impurity, vacuum filtration, and use deionized water
Or distilled water or hot water are washed to neutrality, are dried to obtain graphene/lignin-base combined multi-stage hole carbon plate material.
2. a kind of graphene according to claim 1/lignin-base combined multi-stage hole carbon plate material preparation method, special
Sign is, in step 3, the concentration of hydrochloric acid is 0.5~12mol L-1。
3. graphene/lignin-base combined multi-stage hole carbon plate material of the preparation of method described in claim 1~2 any one
Purposes, which is characterized in that prepared graphene/lignin-base combined multi-stage hole carbon plate material is used to adsorb the antibiosis in water
Element.
4. graphene according to claim 3/lignin-base combined multi-stage hole carbon plate material purposes, which is characterized in that
The graphene/lignin-base combined multi-stage hole carbon plate material is used to adsorb the Ciprofloxacin in water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379888.3A CN106044744B (en) | 2016-05-31 | 2016-05-31 | A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610379888.3A CN106044744B (en) | 2016-05-31 | 2016-05-31 | A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106044744A CN106044744A (en) | 2016-10-26 |
| CN106044744B true CN106044744B (en) | 2019-10-01 |
Family
ID=57172458
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610379888.3A Expired - Fee Related CN106044744B (en) | 2016-05-31 | 2016-05-31 | A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106044744B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108031449A (en) * | 2018-01-17 | 2018-05-15 | 温州包鹿新材料有限公司 | A kind of improved material for air purification and its application |
| CN110152617A (en) * | 2018-01-17 | 2019-08-23 | 温州包鹿新材料有限公司 | A kind of preparation method of material for air purification |
| CN108176375A (en) * | 2018-01-17 | 2018-06-19 | 温州包鹿新材料有限公司 | A kind of material for air purification and its application |
| CN108187631A (en) * | 2018-01-17 | 2018-06-22 | 温州包鹿新材料有限公司 | A kind of preparation method of improved material for air purification |
| CN112062121A (en) * | 2020-08-26 | 2020-12-11 | 广西大学 | Method for preparing thermal reduction graphene oxide film by blending sodium lignosulfonate and graphene oxide |
| CN113247887B (en) * | 2021-04-13 | 2022-08-23 | 齐鲁工业大学 | Preparation method of hierarchical porous graphene and application of hierarchical porous graphene |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2391290C1 (en) * | 2009-03-18 | 2010-06-10 | Учреждение Российской академии наук Институт химии и химической технологии Сибирского отделения РАН (ИХХТ СО РАН) | Method of obtaining active coal |
| CN104176721A (en) * | 2013-05-22 | 2014-12-03 | 江苏捷峰高科能源材料股份有限公司 | Carbon composite material, and preparation method and application thereof |
| CN105271227A (en) * | 2015-11-25 | 2016-01-27 | 江苏大学 | Preparation method for porous carbon material with high specific surface area |
| CN105552371B (en) * | 2016-01-20 | 2017-12-08 | 福州大学 | The preparation and application of nitrogen-doped graphene carbon nanohorn composite |
-
2016
- 2016-05-31 CN CN201610379888.3A patent/CN106044744B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106044744A (en) | 2016-10-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106044744B (en) | A kind of preparation method and its usage of graphene/lignin-base combined multi-stage hole carbon plate material | |
| CN104009242B (en) | The porous carbon network structure material preparation method of the N doping of a kind of fuel battery cathod catalyst metal/metal oxide load | |
| CN106824076B (en) | A kind of shaddock peel activated carbon and its application | |
| CN104250003B (en) | A kind of preparation method of nitrogen doping porous carbon nanometer sheet | |
| CN106362785B (en) | A kind of preparation method being acidified azotized carbon nano piece graphene composite aerogel | |
| CN104941576B (en) | Three-dimensional netted FeOOH/bacteria cellulose carbon composite and preparation method and purposes | |
| CN105271227A (en) | Preparation method for porous carbon material with high specific surface area | |
| CN107744806B (en) | Preparation method of catalyst for catalytically decomposing ozone by taking expanded graphite as carrier | |
| Li et al. | ZnCl2-activated carbon from soybean dregs as a high efficiency adsorbent for cationic dye removal: isotherm, kinetic, and thermodynamic studies | |
| Wang et al. | Highly efficient and selective capture Pb (II) through a novel metal-organic framework containing bifunctional groups | |
| CN106732353B (en) | A kind of pair of antibiotic has the charcoal preparation method of high absorption capacity | |
| CN105536660B (en) | A kind of preparation method of nano-silver loaded oil-tea camellia husks pyrolysis carbosphere | |
| CN104289179A (en) | Method for preparing attapulgite/carbon composite adsorbent by one-step carbonization-activation | |
| CN104525119A (en) | G-C3N4/ZnO/activated carbon functional charcoal adsorption material and preparation method thereof | |
| CN109574007A (en) | High superficial area porous carbon material and method and application are prepared using fungi pretreatment | |
| CN101711977A (en) | Method for preparing mesoporous titanium dioxide photocatalyst by using microbes and algae as templates | |
| CN106219604B (en) | A kind of preparation method and its photocatalytic applications for preparing hierarchical porous structure titanium dioxide | |
| CN106040167B (en) | A kind of preparation method and its usage of magnetism multi-stage porous carbon material | |
| CN103537262A (en) | Preparation method of nitrogen-doped hierarchical pore carbon materials | |
| Dai et al. | Effect of preparation method on the structure and photocatalytic performance of BiOI and Bi5O7I for Hg0 removal | |
| Yang et al. | Degradation of formaldehyde and methylene blue using wood-templated biomimetic TiO2 | |
| CN106179203A (en) | A kind of preparation method and its usage of Os Bovis seu Bubali base multi-stage porous material with carbon element | |
| CN106185922A (en) | The preparation method and its usage of one level hole, Yeasts Quito material with carbon element | |
| Yuan et al. | Composite nanofiber membrane embedded TiO2/diatomite catalyst for highly efficient mineralization of formaldehyde | |
| CN105833841A (en) | Preparation method of activated carbon-based adsorption material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191001 Termination date: 20200531 |