CN104289200B - A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent - Google Patents
A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent Download PDFInfo
- Publication number
- CN104289200B CN104289200B CN201410575555.9A CN201410575555A CN104289200B CN 104289200 B CN104289200 B CN 104289200B CN 201410575555 A CN201410575555 A CN 201410575555A CN 104289200 B CN104289200 B CN 104289200B
- Authority
- CN
- China
- Prior art keywords
- hacc
- tubes
- carbon nano
- walled carbon
- magnetic
- 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
-
- 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
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
-
- 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
-
- 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
- C02F1/281—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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/286—Treatment of water, waste water, or sewage by sorption using natural organic sorbents or derivatives thereof
-
- 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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
-
- 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)
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Nanotechnology (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Carbon And Carbon Compounds (AREA)
- Water Treatment By Sorption (AREA)
Abstract
nullThe invention discloses the preparation method and application of a kind of magnetic hydroxypropyltrimethyl ammonium chloride chitosan HACC/ oxidation multi-walled carbon nano-tubes adsorbent，Feature is: added in 20mL water and 5mL glacial acetic acid solution by 0.2 ~ 0.6g hydroxypropyltrimethyl ammonium chloride chitosan HACC，The most ultrasonic 2 ~ 4h，Add 0.05 ~ 0.20g magnetic amination ferroso-ferric oxide，Stirring 1 ~ 2h，Add 3mL liquid paraffin under slow stirring，Continue stirring 0.5 ~ 1h，Add 3mL、25% glutaraldehyde is with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan，Simultaneously，Add 0.1 ~ 0.2g and aoxidize multi-walled carbon nano-tubes，1.5 ~ 2h is reacted under 50 C，PH is adjusted 9 ~ 10 with 2mol/L NaOH，1h is kept under 80 C，The product obtained uses petroleum ether successively、Ethanol、Deionized water wash is 7.0 to pH，Prepare a kind of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent.This sorbent preparation method is simple, and the adsorption capacity of Adsorption of Heavy Metals is high, and absorption and separating rate are fast, repeatable utilization, and adsorption process non-secondary pollution is excellent for heavy metal in waste water treatment effect.
Description
Technical field
The invention belongs to water-treatment technology field, particularly to a kind of magnetic hydroxypropyltrimethyl ammonium chloride chitosan
The preparation method of HACC/ oxidation multi-walled carbon nano-tubes adsorbent and in water processes the application technology of heavy metal ionic adsorption.
Background technology
Along with the development of the industry such as mining industry and chemical industry, the substantial amounts of waste water containing heavy metal is discharged into soil, water and air
In, threaten the health of people.Heavy metal ion such as lead, hydrargyrum, chromium, cadmium are not biodegradable persistent pollutants, permissible
Enter into the human body by food chain, once will be produced serious harm by human intake.
The method of heavy-metal ion removal has chemical precipitation method, ion exchange, membrane separation process, flocculence and electrolysis.
But, these method costs are high, complicated and are difficult to meet environmental protection requirement, therefore, environmentalist be devoted to find simple,
Efficiently, economy, the technology of environmental protection remove the heavy metal ion in waste water.Absorption method is considered as that a kind of efficient water processes
Method, so, find suitable adsorbent and be particularly important.In recent years, various adsorbents such as zeolite, Kaolin, activated carbon,
Ion exchange resin and some biological adsorption agents are used to remove the heavy metal ion in water, and these traditional adsorbents exist very
Many shortcomings such as adsorption efficiency is low, adsorbance is little, finds efficient adsorbent the most necessary.
Many researcheres have studied the CNT heavy metal with big specific surface area and high mechanical performance
The absorption property of ion, and study prove modify after CNT have in terms of adsorption efficiency and absorbability significantly
Improve.Simultaneously as hydroxyl and the existence of amino, chitosan is also widely used for Adsorption of Heavy Metal Ions, and chitosan
Derivant is the most studied.Hydroxypropyltrimethyl ammonium chloride chitosan is the chitosan height that chitosan is chemically modified and prepared
Level derivant, is called for short HACC.Hydroxypropyltrimethyl ammonium chloride chitosan has good water solublity, film property, hair conditioning, water conservation
The performances such as water absorption, antistatic behaviour and antibiotic property, all can dissolve under the conditions of acidity, alkalescence, and good stability, have the highest
Charge density, is strong positive sub-polymer, has higher charge neutrality and adsorption bridging ability than chitosan.It can not only be removed in water
Trickle particle, and can effectively remove the various oil contents in water, colourity, COD, metal ion, also there is sterilization ability, and
Have that cohesion is fast, dehydration property is good and have no side effect, the advantage such as fully biodegradable, and aoxidize multi-walled carbon nano-tubes
After compound, its absorbability is promoted further.Yan-Hui Li etc. have studied CNT and reaches the adsorbance of lead ion
30.32mg/g；The adsorbance of cadmium ion is only 1.1mg/g, after processing respectively with hydrogen peroxide, nitric acid and potassium permanganate,
Its adsorbance becomes 2.6,5.1 and 11.0mg/g；Ze-Chao Di etc. have studied carbon nanotube loaded ceria to chromium ion
Absorption behavior, its maximal absorptive capacity is 30.2 mg/g；Meng-Wei Wan etc. have studied the coated sand of chitosan to lead from
The adsorbance of son is 12.32 mg/g；W.S. Wan Ngah etc. have studied chitosan-tripolyphosphate microsphere suction to lead ion
Attached amount is 57.33 mg/g.Above ABSORBENTS ABSORPTION metal biosorption effect is general.Based on this, we are prepared for a kind of new
The magnetic hydroxypropyltrimethyl ammonium chloride chitosan of type/oxidation multi-walled carbon nano-tubes adsorbent, this adsorbent has good magnetic
Property, make adsorbent separate with solution and be easily achieved, meanwhile, the method preparing this adsorbent is simple, and adsorbent is imitated
Rate is high, to the adsorbance of chromium ion, lead ion and cadmium ion respectively up to 103.4,111.2,93.6mg/g, repeatable utilization,
To environment non-secondary pollution.
Summary of the invention
An object of the present invention is to provide a kind of magnetic hydroxypropyltrimethyl ammonium chloride chitosan HACC/ to aoxidize many walls
The preparation method and application of carbon nanotube adsorption agent, a kind of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent of acquisition is to water
In heavy metal ion carry out adsorbing separation.
Technical scheme is as follows:
1. the preparation method of a magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent
0.2 ~ 0.6g hydroxypropyltrimethyl ammonium chloride chitosan HACC is added in 20mL water and 5mL glacial acetic acid solution,
Ultrasonic 2 ~ 4h under room temperature, adds 0.05 ~ 0.20g magnetic amination ferroso-ferric oxide, stirs 1 ~ 2h, adds under slow stirring
3mL liquid paraffin, continues stirring 0.5 ~ 1h, adds 3mL, 25% glutaraldehyde with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan
HACC, meanwhile, adds 0.1 ~ 0.2g and aoxidizes multi-walled carbon nano-tubes, react 1.5 ~ 2h, adjust pH with 2mol/L NaOH under 50 C
9 ~ 10, keeping 1h under 80 C, the product obtained is 7.0 with petroleum ether, ethanol, deionized water wash to pH successively, prepares
A kind of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent.
Oxidation multi-wall carbon nano-tube tube preparation method the most described above
0.3 ~ 0.7g multi-walled carbon nano-tubes is put in the nitration mixture that concentrated sulphuric acid with concentrated nitric acid volume ratio is 2.5 ~ 3.5: 1,
Under 40 C, ultrasonic 2 ~ 4 h, are cooled to 27 C, mixed liquor deionized water is diluted to 500mL, filters, be washed with deionized water
Washing to pH is to be vacuum dried under 7.0,60 C, grinds and prepares oxidation multi-wall carbon nano-tube pipe powder.
3. adsorbent is to the removal step of heavy metal ion in water
Take 25mL, 30 ~ 60mg/L heavy metal ion solution in 100mL conical flask, regulation pH be 3 ~ 6, add 8 ~
15mg magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent, 25 C are placed down in water bath with thermostatic control agitator vibration 1.0 ~ 3.0h, take
Go out conical flask, with strong magnets separating adsorbent and solution, take the concentration of clear liquid detection heavy metal ion, according to a huge sum of money in solution
Belong to the initial concentration of ionC 0With the concentration of heavy metal ion in solution after absorptionC eCalculate the clearance of heavy metal ion.
Heavy metal ion described above is selected from one of following: Cr6+、Pb2+、Cd2+。
The useful achievement of the present invention
(1) magnetic hydroxypropyltrimethyl ammonium chloride chitosan/oxidation multi-walled carbon nano-tubes adsorbent that the present invention obtains is
A kind of novel nano-complex sorbent material, has good physical and chemical performance and excellent mechanical strength, and absorption is held
Amount is big, to the adsorbance of chromium ion, lead ion and cadmium ion respectively up to 103.4,111.2,93.6mg/g, can Reusability.
(2) preparation of magnetic hydroxypropyltrimethyl ammonium chloride chitosan of the present invention/oxidation multi-walled carbon nano-tubes adsorbent
Journey is simple, and condition is easily controllable, easily operates, and production cost is low.
(3) magnetic hydroxypropyltrimethyl ammonium chloride chitosan/oxidation multi-walled carbon nano-tubes adsorbent pair that the present invention obtains
Heavy metal ion adsorbed efficiency in water is high, and absorption and separating rate are fast, and desorption performance is good, it is possible in the range of wider soda acid
Use.
Detailed description of the invention
The preparation of 1 one kinds of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbents of embodiment
0.2g hydroxypropyltrimethyl ammonium chloride chitosan HACC is added in 20mL water and 5mL glacial acetic acid solution, in room temperature
Under ultrasonic 2h, add 0.10g magnetic amination ferroso-ferric oxide, stir 1h, under slow stirring add 3mL liquid paraffin, continue
Continuous stirring 0.5h, addition 3mL, 25% glutaraldehyde are with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan HACC, meanwhile, add 0.1g
Oxidation multi-walled carbon nano-tubes, reacts 1.5h under 50 C, with 2mol/L NaOH adjustment pH 9 ~ 10, keeps 1h under 80 C,
To product be 7.0 with petroleum ether, ethanol, deionized water wash to pH successively, prepare a kind of magnetic HACC/ oxidation many walls carbon and receive
Mitron adsorbent.
The preparation of 2 one kinds of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbents of embodiment
0.4g hydroxypropyltrimethyl ammonium chloride chitosan HACC is added in 20mL water and 5mL glacial acetic acid solution, in room temperature
Under ultrasonic 3h, add 0.15g magnetic amination ferroso-ferric oxide, stir 1.5h, under slow stirring add 3mL liquid paraffin,
Continuing stirring 0.8h, addition 3mL, 25% glutaraldehyde are with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan HACC, add meanwhile
0.15g aoxidizes multi-walled carbon nano-tubes, reacts 1.7h under 50 C, with 2mol/L NaOH adjustment pH 9 ~ 10, keeps under 80 C
1h, the product obtained is 7.0 with petroleum ether, ethanol, deionized water wash to pH successively, prepares a kind of magnetic HACC/ oxidation many
Wall carbon nano tube adsorbent.
The preparation of 3 one kinds of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbents of embodiment
0.6g hydroxypropyltrimethyl ammonium chloride chitosan HACC is added in 20mL water and 5mL glacial acetic acid solution, in room temperature
Under ultrasonic 4h, add 0.20g magnetic amination ferroso-ferric oxide, stir 2h, under slow stirring add 3mL liquid paraffin, continue
Continuous stirring 1h, addition 3mL, 25% glutaraldehyde are with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan HACC, meanwhile, add 0.2g oxygen
Multi-walled carbon nano-tube, reacts 2h under 50 C, with 2mol/L NaOH adjustment pH 9 ~ 10, keeps 1h, obtain under 80 C
Product is 7.0 with petroleum ether, ethanol, deionized water wash to pH successively, prepares a kind of magnetic HACC/ oxidation multi-walled carbon nano-tubes
Adsorbent.
Embodiment 4 aoxidizes the preparation method of multi-walled carbon nano-tubes
Described oxidation multi-walled carbon nano-tubes, it is characterised in that 0.4g multi-walled carbon nano-tubes is put into concentrated sulphuric acid and concentrated nitric acid
Volume ratio is in the nitration mixture of 2.5:1, and under 40 C, ultrasonic 2 h, are cooled to 27 C, are diluted to by mixed liquor deionized water
500mL, filters, and being washed with deionized to pH is to be vacuum dried under 7.0,60 C, grinds and prepares oxidation multi-walled carbon nano-tubes powder
End.
Embodiment 5 aoxidizes the preparation method of multi-walled carbon nano-tubes
Described oxidation multi-walled carbon nano-tubes, it is characterised in that 0.6g multi-walled carbon nano-tubes is put into concentrated sulphuric acid and concentrated nitric acid
Volume ratio is in the nitration mixture of 3:1, and under 40 C, ultrasonic 4 h, are cooled to 27 C, and mixed liquor deionized water is diluted to 500mL,
Filtering, being washed with deionized to pH is to be vacuum dried under 7.0,60 C, grinds and prepares oxidation multi-wall carbon nano-tube pipe powder.
Embodiment 6 magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent to Cr(VI) absorption
Take the Cr of 25mL, 35mg/L6+Solion is in 100mL conical flask, and regulation pH is 3, adds 8mg magnetic HACC/
Oxidation multi-walled carbon nano-tubes adsorbent, 25 C are placed down in water bath with thermostatic control agitator vibration 2h, take out conical flask, use strong magnets
Separating adsorbent and solution, take clear liquid detection Cr6+The concentration of ion, according to Cr in solution6+The initial concentration of ionC 0And absorption
Cr in rear solution6+The concentration of ionC eCalculate Cr6+The clearance of ion is 94.5%, and adsorbance is 103.4mg/g.
Embodiment 7 magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent is to Pb2+The absorption of ion
Take the Pb of 25mL, 55mg/L2+Solion is in 100mL conical flask, and regulation pH is 5, adds 12mg magnetic HACC/
Oxidation multi-walled carbon nano-tubes adsorbent, 25 C are placed down in water bath with thermostatic control agitator vibration 2h, take out conical flask, use strong magnets
Separating adsorbent and solution, take clear liquid detection Pb2+The concentration of ion, according to Pb in solution2+The initial concentration of ionC 0And absorption
Pb in rear solution2+The concentration of ionC eCalculate Pb2+The clearance 97.0% of ion, adsorbance is 111.2 mg/g.
Embodiment 8 magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent is to Cd2+The absorption of ion
Take the Cd of 25mL, 60mg/L2+Solion is in 100mL conical flask, and regulation pH is 6, adds 15mg magnetic HACC/
Oxidation multi-walled carbon nano-tubes adsorbent, 25 C are placed down in water bath with thermostatic control agitator vibration 3.0h, take out conical flask, use strong magnetic
Ferrum separating adsorbent and solution, take clear liquid detection Cd2+The concentration of ion, according to Cd in solution2+The initial concentration of ionC 0And suction
Cd in attached solution2+The concentration of ionC eCalculate Cd2+The clearance of ion is 93.6%, and adsorbance is 93.6mg/g.
Claims (3)
1. the preparation method of a magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent, it is characterised in that comprise the following steps:
0.2 ~ 0.6g hydroxypropyltrimethyl ammonium chloride chitosan HACC is added in 20mL water and 5mL glacial acetic acid solution, in room temperature
Under ultrasonic 2 ~ 4h, add 0.05 ~ 0.20g magnetic amination ferroso-ferric oxide, stir 1 ~ 2h, under slow stirring add 3mL liquid
Paraffin body, continues stirring 0.5 ~ 1h, and addition 3mL, 25% glutaraldehyde are with cross-linked hydroxypropyl base trimethyl ammonium chloride chitosan HACC, same
Time, add 0.1 ~ 0.2g and aoxidize multi-walled carbon nano-tubes, under 50 C, react 1.5 ~ 2h, with 2mol/L NaOH adjustment pH 9 ~ 10,
Keeping 1h under 80 C, the product obtained is 7.0 with petroleum ether, ethanol, deionized water wash to pH successively, prepares a kind of magnetic
HACC/ aoxidizes multi-walled carbon nano-tubes adsorbent.
The preparation method of a kind of magnetic HACC/ the most as claimed in claim 1 oxidation multi-walled carbon nano-tubes adsorbent, its feature exists
In, the removal of heavy metal ion in water, step is as follows:
Take 25mL, 30 ~ 60mg/L heavy metal ion solution in 100mL conical flask, regulation pH be 3 ~ 6, add 8 ~ 15mg magnetic
Property HACC/ aoxidize multi-walled carbon nano-tubes adsorbent, 25 C be placed down in water bath with thermostatic control agitator vibration 1.0 ~ 3.0h, take out taper
Bottle, with strong magnets separating adsorbent and solution, takes the concentration of clear liquid detection heavy metal ion, according to heavy metal ion in solution
Initial concentrationC 0With the concentration of heavy metal ion in solution after absorptionC eCalculate the clearance of heavy metal ion.
The preparation method of a kind of magnetic HACC/ the most as claimed in claim 1 oxidation multi-walled carbon nano-tubes adsorbent, its feature exists
In, heavy metal ion selected from one of following: Cr6+、Pb2+、Cd2+。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575555.9A CN104289200B (en) | 2014-10-25 | 2014-10-25 | A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410575555.9A CN104289200B (en) | 2014-10-25 | 2014-10-25 | A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104289200A CN104289200A (en) | 2015-01-21 |
| CN104289200B true CN104289200B (en) | 2016-12-14 |
Family
ID=52309287
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410575555.9A Expired - Fee Related CN104289200B (en) | 2014-10-25 | 2014-10-25 | A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104289200B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI628144B (en) * | 2016-04-29 | 2018-07-01 | 識驊科技股份有限公司 | Nano carbon tube composite structure with high moisture retention and high bactericidal activity of cerium oxide nanoparticles and silver nanoparticles |
| CN110449132B (en) * | 2019-09-05 | 2022-03-25 | 江西理工大学 | Preparation method and application of modified carbon nanotube adsorbent |
| CN112169780B (en) * | 2020-10-21 | 2022-11-25 | 陕西科技大学 | Gelatin-based hydrogel adsorbent for adsorbing hexavalent chromium ions and preparation method thereof |
| CN114177892B (en) * | 2021-12-09 | 2024-06-14 | 黑龙江八一农垦大学 | Carbon nano tube composite adsorbent and preparation method thereof |
| CN116870865B (en) * | 2023-07-18 | 2024-08-20 | 贵州省土壤肥料研究所(贵州省生态农业工程技术研究中心)(贵州省农业资源与环境研究所) | Preparation method and application of ferro-manganese oxide biochar composite material |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527346A (en) * | 2012-01-17 | 2012-07-04 | 同济大学 | Method for preparing magnetic carbon nanotube/crosslinked chitosan composite nanomaterial adsorbent |
| CN103285821A (en) * | 2013-05-05 | 2013-09-11 | 台州学院 | Preparation method of magnetic graphitized carbon nano pipe adsorbing agent in chitosan surface modification |
-
2014
- 2014-10-25 CN CN201410575555.9A patent/CN104289200B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527346A (en) * | 2012-01-17 | 2012-07-04 | 同济大学 | Method for preparing magnetic carbon nanotube/crosslinked chitosan composite nanomaterial adsorbent |
| CN103285821A (en) * | 2013-05-05 | 2013-09-11 | 台州学院 | Preparation method of magnetic graphitized carbon nano pipe adsorbing agent in chitosan surface modification |
Non-Patent Citations (1)
| Title |
|---|
| Highly selective adsorption of lead ions by water-dispersible magnetic chitosan/graphene oxide composites;Lulu Fan,et al;《Colloids and Surfaces B: Biointerfaces》;20121112;第103卷;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104289200A (en) | 2015-01-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Li et al. | Super rapid removal of copper, cadmium and lead ions from water by NTA-silica gel | |
| Yang et al. | Adsorption and reduction of Cr (VI) by a novel nanoscale FeS/chitosan/biochar composite from aqueous solution | |
| Xie et al. | Polyethyleneimine modified activated carbon for adsorption of Cd (II) in aqueous solution | |
| Wang et al. | Rational design, synthesis, adsorption principles and applications of metal oxide adsorbents: a review | |
| Lv et al. | Application of EDTA-functionalized bamboo activated carbon (BAC) for Pb (II) and Cu (II) removal from aqueous solutions | |
| Wang et al. | Fe3O4@ SiO2@ CS-TETA functionalized graphene oxide for the adsorption of methylene blue (MB) and Cu (II) | |
| Guo et al. | Polyethylenimine-functionalized cellulose aerogel beads for efficient dynamic removal of chromium (vi) from aqueous solution | |
| Pan et al. | Efficient removal of lead and copper ions from water by enhanced strength-toughness alginate composite fibers | |
| Nitayaphat et al. | Removal of silver (I) from aqueous solutions by chitosan/bamboo charcoal composite beads | |
| Zhou et al. | rGO/CNQDs/ZIF-67 composite aerogel for efficient extraction of uranium in wastewater | |
| CN104289200B (en) | A kind of preparation method and application of magnetic HACC/ oxidation multi-walled carbon nano-tubes adsorbent | |
| Fan et al. | Preparation of magnetic modified chitosan and adsorption of Zn2+ from aqueous solutions | |
| Qiu et al. | Fabrication and evaluation of a regenerable HFO-doped agricultural waste for enhanced adsorption affinity towards phosphate | |
| He et al. | Design and fabrication of highly ordered ion imprinted SBA-15 and MCM-41 mesoporous organosilicas for efficient removal of Ni2+ from different properties of wastewaters | |
| Hu et al. | Preparation and characterization of novel magnetic Fe3O4/chitosan/Al (OH) 3 beads and its adsorption for fluoride | |
| Guo et al. | Preparation of novel ZnO-NP@ Zn-MOF-74 composites for simultaneous removal of copper and tetracycline from aqueous solution | |
| CN110732307B (en) | Preparation method and application of EDTA (ethylene diamine tetraacetic acid) modified magnetic nanocomposite | |
| CN104014314B (en) | Bio-adsorbent, preparation method and application | |
| CN106268680A (en) | Magnetic Nano microcapsule adsorbent and its preparation method and application | |
| Liu et al. | Fabrication of novel magnetic core-shell chelating adsorbent for rapid and highly efficient adsorption of heavy metal ions from aqueous solution | |
| Yang et al. | Enhanced adsorption/photocatalytic removal of Cu (Ⅱ) from wastewater by a novel magnetic chitosan@ bismuth tungstate coated by silver (MCTS-Ag/Bi2WO6) composite | |
| CN107282013A (en) | The porous magnetic chitosan gel rubber microballoon and preparation method of a kind of size tunable | |
| CN107081123A (en) | Magnetic magnesium hydroxide adsorbent and preparation method thereof | |
| CN106824071A (en) | C@SiO of the one kind for Cr (VI) Adsorption2The preparation method of hollow ball | |
| CN104587956A (en) | Preparation method of coated nano zero-valent iron taking multilayer activated-carbon-coated graphene oxide composite powder as carrier |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20211025 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |