CN108249432A - A kind of dextran modification graphene oxide composite material and its application - Google Patents
A kind of dextran modification graphene oxide composite material and its application Download PDFInfo
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- CN108249432A CN108249432A CN201611227879.9A CN201611227879A CN108249432A CN 108249432 A CN108249432 A CN 108249432A CN 201611227879 A CN201611227879 A CN 201611227879A CN 108249432 A CN108249432 A CN 108249432A
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- graphene oxide
- composite material
- oxide composite
- suspension
- acetic acid
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/02—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material
- B01J20/20—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising inorganic material comprising free carbon; comprising carbon obtained by carbonising processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/26—Synthetic macromolecular compounds
- B01J20/261—Synthetic macromolecular compounds obtained by reactions only involving carbon to carbon unsaturated bonds
-
- 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
- C02F1/286—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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/308—Dyes; Colorants; Fluorescent agents
Abstract
The invention discloses a kind of dextran modification graphene oxide composite material and its applications, are prepared by the following method：Graphene oxide is taken to be suspended with deionized water, ultrasound make graphene oxide it is fully dispersed, stripping, obtain graphene oxide suspension；Weighing glucan and being added in glacial acetic acid solution makes its dissolving, is then slowly added in graphene oxide suspension, stirring while adding, and then system is placed in ultrasonic cleaning machine and is stirred by ultrasonic, and obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out to neutrality, then be filtered by vacuum to it with deionized water, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.Dextran modification graphene oxide composite material provided by the invention can be used for adsorbing Wastewater Dyes.
Description
Technical field
The invention belongs to Material Fields, and in particular to a kind of dextran modification graphene oxide composite material and its application.
Background technology
Waste water from dyestuff is because having the distinguishing features such as discharge capacity is big, coloration is high, biodegradability is poor, difficult to degrade, toxicity is high, at present
One of industrial wastewater of more refractory reason is become.Congo red is a kind of typical diphenyl amine azo anionic dye, in industry
Easily enter water body during production and use, be one of pollutant representative in dyeing waste water.At present, industrial dyestuff
The processing method of waste water mainly has coagulant sedimentation, membrane separation technique, high-level oxidation technology, electrochemistry etc..And absorption method due to
Have many advantages, such as investment it is small, the period is short, it is easy to operate, do not generate secondary pollution, be increasingly becoming a kind of economical and effective and great hair
The method for opening up the removal waste water from dyestuff of potentiality.
Invention content
The object of the present invention is to provide a kind of dextran modification graphene oxide composite material and its applications.
Above-mentioned purpose is achieved by the following technical solution：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Further, 1L water corresponds to 220-260g graphene oxides in graphene oxide suspension.
Further, the mass percentage of the glacial acetic acid solution is 2-4%.
Further, 1L glacial acetic acid solutions addition Gentran 40-80g.
Further, 50-60 DEG C of drying temperature.
Further, ground 60-80 mesh sieve.
Application of the above-mentioned dextran modification graphene oxide composite material in terms of Wastewater Dyes are adsorbed.
Beneficial effects of the present invention：
Dextran modification graphene oxide composite material provided by the invention can be used for adsorbing Wastewater Dyes.
Specific embodiment
Intend specifically introducing the technical solution of the invention below by specific embodiment.
Embodiment 1：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 240g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition Dextran 60 g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 2：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 220g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 2%；1L glacial acetic acid solutions addition Gentran 40 g.
Wherein, 50 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 3：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 260g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 4%；1L glacial acetic acid solutions addition Dextran 8 0g.
Wherein, 60 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 4：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 230g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition Dextran 60 g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 5：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 250g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition Dextran 60 g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 6：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 240g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition glucan 50g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 7：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 240g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition macrodex g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 8：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 240g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition Dextran 45 g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Embodiment 9：
A kind of dextran modification graphene oxide composite material, is prepared by the following method：Graphene oxide is taken to be hanged with deionized water
Floating, ultrasound makes that graphene oxide is fully dispersed, stripping, obtains graphene oxide suspension；It weighs glucan and is added to glacial acetic acid
Make its dissolving in solution, be then slowly added in graphene oxide suspension, it is stirring while adding, then system is placed in super
It is stirred by ultrasonic in sound washer, obtains the brown coloured suspension object for being uniformly dispersed stable；Centrifuge washing is carried out extremely to it with deionized water
Neutrality, then be filtered by vacuum, obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved to obtain the final product.
Wherein, 1L water corresponds to 240g graphene oxides in graphene oxide suspension.
Wherein, the mass percentage of the glacial acetic acid solution is 3%；1L glacial acetic acid solutions addition Dextran 75 g.
Wherein, 55 DEG C of drying temperature.
Wherein, ground 60-80 mesh sieve.
Dextran modification graphene oxide composite material provided by the invention can be used for adsorbing Wastewater Dyes.
The effect of above-mentioned specific embodiment indicates that the essentiality content of the invention, but do not limit this hair with this
The protection domain of bright creation.Simply modification or equivalent replacement are carried out to the technical solution of the invention, without departing from this hair
It is bright to create the essence of technical solution, thus necessarily fall into the protection domain of the invention.
Claims (7)
1. a kind of dextran modification graphene oxide composite material, which is characterized in that be prepared by the following method：Take graphene oxide
Suspended with deionized water, ultrasound make graphene oxide it is fully dispersed, stripping, obtain graphene oxide suspension；Weigh glucan
Being added in glacial acetic acid solution makes its dissolving, is then slowly added in graphene oxide suspension, stirring while adding, then
System is placed in ultrasonic cleaning machine and is stirred by ultrasonic, obtains the brown coloured suspension object for being uniformly dispersed stable；With deionized water to its into
Row centrifuge washing is to neutrality, then is filtered by vacuum, and obtained filter cake is placed in drying in vacuum drying chamber, and taking-up is ground up, sieved i.e.
.
2. dextran modification graphene oxide composite material according to claim 1, it is characterised in that：Graphene oxide suspension
Middle 1L water corresponds to 220-260g graphene oxides.
3. dextran modification graphene oxide composite material according to claim 1, it is characterised in that：The glacial acetic acid solution
Mass percentage is 2-4%.
4. dextran modification graphene oxide composite material according to claim 3, it is characterised in that：1L glacial acetic acid solutions are added
Gentran 40-80g.
5. dextran modification graphene oxide composite material according to claim 1, it is characterised in that：50-60 DEG C of drying temperature.
6. dextran modification graphene oxide composite material according to claim 1, it is characterised in that：Ground 60-80 mesh sieve.
7. according to any dextran modification graphene oxide composite materials of claim 1-6 answering in terms of Wastewater Dyes are adsorbed
With.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201611227879.9A CN108249432A (en) | 2016-12-28 | 2016-12-28 | A kind of dextran modification graphene oxide composite material and its application |
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| CN201611227879.9A CN108249432A (en) | 2016-12-28 | 2016-12-28 | A kind of dextran modification graphene oxide composite material and its application |
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| CN108249432A true CN108249432A (en) | 2018-07-06 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211056A (en) * | 2014-09-10 | 2014-12-17 | 浙江碳谷上希材料科技有限公司 | Preparation method of high-strength graphene film |
| CN105752977A (en) * | 2016-04-29 | 2016-07-13 | 江苏超电新能源科技发展有限公司 | Preparation method of high-conductivity graphene powder |
| CN106044753A (en) * | 2016-05-27 | 2016-10-26 | 江苏省特种设备安全监督检验研究院 | Method for preparing high orientation graphene film |
| CN106040308A (en) * | 2016-06-06 | 2016-10-26 | 东华大学 | Preparation method for textile fiber/graphene/BiFeO3 composite environmental catalytic material |
-
2016
- 2016-12-28 CN CN201611227879.9A patent/CN108249432A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104211056A (en) * | 2014-09-10 | 2014-12-17 | 浙江碳谷上希材料科技有限公司 | Preparation method of high-strength graphene film |
| CN105752977A (en) * | 2016-04-29 | 2016-07-13 | 江苏超电新能源科技发展有限公司 | Preparation method of high-conductivity graphene powder |
| CN106044753A (en) * | 2016-05-27 | 2016-10-26 | 江苏省特种设备安全监督检验研究院 | Method for preparing high orientation graphene film |
| CN106040308A (en) * | 2016-06-06 | 2016-10-26 | 东华大学 | Preparation method for textile fiber/graphene/BiFeO3 composite environmental catalytic material |
Non-Patent Citations (2)
| Title |
|---|
| WENHUI YUAN等: "A green synthetic approach to graphene nanosheets for hydrogen adsorption", 《APPLIED SURFACE SCIENCE》 * |
| 唐和清: "氧化石墨烯和石墨烯对离子型染料不同吸附性能研究", 《中南民族大学学报( 自然科学版)》 * |
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Application publication date: 20180706 |