CN108465459A - A kind of mixing aeroge and the preparation method and application thereof - Google Patents
A kind of mixing aeroge and the preparation method and application thereof Download PDFInfo
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- CN108465459A CN108465459A CN201810436607.2A CN201810436607A CN108465459A CN 108465459 A CN108465459 A CN 108465459A CN 201810436607 A CN201810436607 A CN 201810436607A CN 108465459 A CN108465459 A CN 108465459A
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- 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
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- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28014—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their form
- B01J20/28047—Gels
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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
- C02F1/288—Treatment of water, waste water, or sewage by sorption using composite sorbents, e.g. coated, impregnated, multi-layered
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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
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- C02F2101/308—Dyes; Colorants; Fluorescent agents
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- 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
- C02F2101/36—Organic compounds containing halogen
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
- C02F2101/38—Organic compounds containing nitrogen
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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
- C02F2101/00—Nature of the contaminant
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Abstract
The present invention provides a kind of mixing aeroges and the preparation method and application thereof, belong to chemical modification technique field.The mixing aeroge be by after gellan gum and graphene oxide mixing, it is freeze-dried to obtain.The mixing aeroge of the present invention has layering thin-slab structure and porous structure, is conducive to the absorption to dyestuff and organic matter etc., therefore be with a wide range of applications in fields such as absorption dyestuff, water pollution, fish transports.
Description
Technical field
The invention belongs to chemical modification technique fields, and in particular to a kind of gellan gum and graphene oxide mixing aeroge and
Preparation method, and the application in absorption dyestuff, oil suction, water process, fish transport.
Background technology
Aeroge, also known as xerogel.When gel sloughs most solvent, content liquid is fewer than solid content in gel
Medium much or in the spacial framework of gel is gas, and appearance is in solid-like, as aeroge.Aeroge due to
Its excellent performance and obtained extensive research, as density is small, macrovoid, high-specific surface area and porosity.
Absorption method based on new carbon adsorbent is more and more studied, and wherein graphene oxide (GO) has
The advantages that good electric conductivity, high-specific surface area, abundant oxygen-containing functional group and thermal stability, it is widely used in adsorbing domain.
By advantageous property possessed by graphene oxide, many is developed by the material of one of raw material of graphene oxide,
In just include graphite oxide aerogel.But hydrophily, structural stability/plasticity are poor in aqueous solution for pure aeroge, and
It is frangible.
Gellan gum (Gellan Gum, GG) is a kind of novel microbial polysaccharide from dynamic Sphingol single-cell less, is
It is generated in ferment under aerobic conditions by microorganism, actually a kind of extracellular polysaccharide colloid.Gellan gum is nontoxic, and having can
Biological degradability and biocompatibility can form the good hydrogel of transparent and stability, under certain condition gellan gum gel
Mechanical property it is close with human body normal tissue, be that a kind of good bio-medical material prepares raw material.But gellan gum has
There is hydration that cannot control, Relative biological inertia, easy microbial contamination and lack certain toughness as tissue engineering material
The shortcomings of with tissue load ability, these shortcoming and defect limit its application in fields such as biomedicine, food, industry.
Invention content
In order to solve the problems, such as that pure aeroge hydrophily, structural stability, plasticity are poor, invention provides a kind of utilization
The method that the good gellan gum combination graphene oxide of water imbibition, stability prepares mixing aeroge.Technical solution is as follows：
A kind of mixing aeroge be by after gellan gum and graphene oxide mixing, it is freeze-dried to obtain.
It is a kind of mixing aeroge preparation method be：In deionized water by gellan gum dissolving, it is molten that graphene oxide is added
Then liquid is stirred to react, obtain homogeneous mixture；Mixture is pre-chilled at -20 DEG C or less, then freeze-drying can be obtained gellan gum and
The aeroge of graphene oxide mixing.
Wherein, the mass ratio of the gellan gum and graphene oxide is 5~10:1.
Further, application of the mixing aeroge in Dye Adsorption.
Application of the mixing aeroge in water process.
Application of the mixing aeroge in fish are transported.
It is different from the prior art, the advantages of above-mentioned technical proposal is：
(1) gaseous mixture gel process for preparing of the invention is simple, and is easily degraded, and is environmentally friendly gel.
(2) mixing aeroge of the invention can not only absorb water, also can oil suction, therefore have in technical fields such as water process wide
General application prospect.
(3) methylene blue (MB) can prevent fresh-water fishes saprolegniasis, red-mouth disease and ich etc., can also reduce fish transport
The death rate on the way, but there is toxicity to human body, utilize the organic dyestuff such as the adsorbable methylene blue of mixing aeroge of the present invention
Function, the toxic effect to human body such as methylene blue can be reduced.
Description of the drawings
Fig. 1 is the gaseous mixture gel form after preparing.
Fig. 2 is the infrared spectrum for mixing aeroge.
The mass ratio of the positions Fig. 3 gellan gum and graphene oxide is 10：The SEM figures of mixing aeroge when 1.Wherein, scheme a,
Figure a1 is SEM figure of the GG/GO-3 mixing aeroge under different amplification, and figure b, figure b1 are that GG/GO-6 mixing aeroges exist
SEM figures under different amplification.
Fig. 4 is gellan gum GG, mixes aeroge GG/GO-3 and mix the DSC curve of aeroge GG/GO-6.
Fig. 5 is the adsorbance and removal rate for mixing aeroge to methylene blue.
Fig. 6 is the curve of adsorption kinetics for mixing aeroge to methylene blue obtained under different condition.
Fig. 7 is the degradation experiment result for mixing aeroge.
Specific implementation mode
For the technology contents of technical solution, construction feature, the objects and the effects are described in detail, below in conjunction with specific reality
It applies example and attached drawing is coordinated to be explained in detail.
Embodiment 1
1. mixing the preparation of aeroge
Nano material graphene oxide is introduced on gellan gum using sol-gel-freeze drying method and prepares mixing airsetting
Glue.It is as follows：
(1) 0.5~1g gellan gums are taken to be dissolved in the deionized water of 50mL, then mechanical agitation 2h, obtain 0.01~
0.02g/mL gellan gum solution；
(2) mass ratio for pressing gellan gum and graphene oxide is 5~10:1 is mixed, that is, 5mL gellan gum solution is taken to add
Enter the graphene oxide solution (being purchased from Shanxi Inst. of Coal Chemistry, Chinese Academy of Sciences) of 5mL 2mg/mL, it is then clear in ultrasonic wave
It washes in device and is stirred by ultrasonic in 30min, obtain homogeneous mixture；
(3) 5h is pre-chilled at a temperature of -80 DEG C~-20 DEG C in mixture, 40h is then lyophilized and obtains mixing aeroge.
2. mixing the characterization of aeroge
The specific volume of 2.1 mixing aeroges measures
Using quality volumetric method, gellan gum is measured using electronic digital indicator and mixes the specific volume (1/ ρ) of aeroge.
2.2 infrared spectrums (FT-IR) are analyzed
Using potassium bromide solid preform method, sample 1mg is taken to be mixed in the agate mortar with dry potassium bromide 200mg
It is even, after being fully ground (particle is made to reach about 2 μm), using German Bruker companies Vertex70 type Fourier infrared spectrographs,
It is 400-4000cm to mixing aeroge and gellan gum sample in wavelength-1In the range of tested respectively.
2.3 scanning electron microscope (SEM) are analyzed
Using Japan Electronics (JEOL) JSM-6380LV scanning electron microscope to mix aeroge surface topography into
Row analysis, voltage 15kV, test sample carry out metal spraying processing.
2.4 differential scanning calorimetries (DSC) are analyzed
The stability for mixing aeroge is measured using NETZSCH DSC 200F3, measurement parameter is respectively：N2Stream
20mL/min is measured, 45-500 DEG C of temperature range is scanned, 10 DEG C/min of heating rate weighs sample 4mg, 10 DEG C of heating rate/
Min, N2Flow velocity 40mL/min.
Adsorption dynamics adsorption kinetics research of the 2.5 mixing aeroges to methylene blue
6mg aeroge GG/GO-1, GG/GO-2, GG/GO-3, GG/GO-4, GG/GO-5 and GG/GO-6 accurately are weighed, point
It is not added in the methylene blue solution of a concentration of 30mg/L of 50mL, not be stirred or rock in adsorption process, often
Its absorbance at 664nm is measured with microplate reader every a period of time, is calculated, is obtained according to the standard curve of methylene blue
Aeroge is to the adsorbance of methylene blue, until final adsorbance no longer increases, until reaching balance.
The making of standard curve：Accurate to weigh methylene blue, configuration concentration is 1000mg/L standard solution, pipette 0.1,
0.2,0.4,0.6,0.8,1.0mL standard solution measures the absorbance of methylene blue at 664nm, paints in 100mL volumetric flasks
Standard curve processed：AMB=0.0975CMB-0.0146(R2=0.9984), wherein AMBFor the absorbance of methylene blue solution, CMBFor
The concentration (mg/L) of methylene blue solution.
Methylene blue mass concentration measures absorbance value of the solution at wavelength 664nm by microplate reader.According to formula (1)
Removal rate η (%) and adsorbance Q of the aeroge to methylene blue are calculated separately with formula (2)e(mg/g)。
η=(C0V0-CeVe)/C0V0× 100% (1)
Qe=(C0V0-CeVe)/M × 100% (2)
In formula：
η --- removal rate (%)；
C0--- methylene blue mass concentration (mg/L) before absorption；
Ce--- methylene blue mass concentration (mg/L) after absorption；
V0--- methylene blue initial volume (L) before absorption；
Ve--- the volume (L) of methylene blue solution after absorption；
Qe--- aeroge adsorbance (mg/g)；
The quality (g) of M --- aeroge.
3. experimental result
The form of 3.1 mixing aeroges
Gellan gum solution and the mixing suspension of graphene oxide solution show higher viscosity, stannic oxide/graphene nano
Piece has uniformly been distributed in gellan gum matrix.Mixing aeroge after prepared by freeze-drying is in fluffy laminated structure, such as Fig. 1 institutes
Show.
The specific volume of 3.2 mixing aerosols
The mass ratio 5 of gellan gum and graphene oxide is investigated respectively:1、7.5:1、10:1, -80 DEG C of precooling temperature and -20
℃.By the different quality being pre-chilled under the conditions of -80 DEG C than mixing aeroge be respectively labeled as GG/GO-1 (5:1w/w)、GG/GO-2
(7.5:1w/w)、GG/GO-3(10:1w/w)；By the different quality being pre-chilled under the conditions of -20 DEG C than mixing aeroge mark respectively
For GG/GO-4 (5:1w/w)、GG/GO-5(7.5:1w/w)、GG/GO-6(10:1w/w).
The porous structure of aeroge can be indicated by specific volume (1/ ρ), i.e. the volume of unit mass.The gaseous mixture of preparation
The specific volume of gel is as shown in table 1, and with the increase of gellan gum ratio, the volume of mixing aeroge unit mass is gradually reduced；No
With the volume for mixing aeroge unit mass that under cryogenic temperature, the identical gellan gum of mass ratio and graphene oxide are prepared
It differs.The volume for the mixing aeroge unit mass that the gellan gum and graphene oxide of different proportion are prepared at different temperatures
Variation range is from 76.8
cm3/ g to 158.3cm3/g.The result shows that mixing aeroge has porous structure, while change can be passed through
The preparation condition of aeroge is mixed to adjust the pore passage structure of aeroge.The ratio of gellan gum is higher, and hole is smaller.
Table 1 mixes the specific volume of aeroge
3.3FT-IR analysis
The infrared spectrum for the mixing aeroge that gellan gum is prepared under different cryogenic temperatures is as shown in Figure 2.Gellan gum is infrared
Spectrum is shown in 3422cm-1There are one wider peaks at place, are the stretching vibration peaks of O-H groups.Gellan gum infrared spectrum is in wave number
For 1609cm-1And 1413cm-1The characteristic peak that place occurs is since the symmetrical and asymmetric stretching vibration of COO- groups generates.
Gellan gum is in 1026cm-1Neighbouring peak value is C6The characteristic absorption peak of the OH groups at place.Mix aeroge GG/GO-3 and GG/GO-
6 equally there is characteristic absorption peak possessed by gellan gum, while in wave number 1730cm-1There is a faint absorption peak in place, this
It is the carbonylic stretching vibration peak of graphene oxide；Compared to the infared spectrum of gellan gum, the position of the characteristic absorption peak of aeroge is mixed
Set all has certain movement to the small direction of wave number, while the intensity at peak is also changed, this may be because of gellan gum
It is acted on the oxygen-containing functional group above graphene oxide, causes the group connected around characteristic group different, from
And lead to the variation of peak position.
3.4SEM analysis
The mass ratio of gellan gum and graphene oxide is 10：Mixing aeroge GG/GO-3 (- 80 DEG C) when 1 and GG/GO-6
The SEM of (- 20 DEG C) schemes as shown in figure 3, the mixing aeroge GG/GO-6 of freezing synthesis shows orderly layering at -20 DEG C
Thin-slab structure, the aeroge have the network structure in coaxial duct, show more loose porous steric configuration.These are poroid
Structure is that the water in gellan gum and graphene oxide mixing suspension forms ice crystal after frost, by vacuum freeze drying, ice
Crystalline substance distillation, the duct stayed, these ducts are conducive to mix absorption of the aeroge to dyestuff.When cryogenic temperature drops to -80
After DEG C, mixing aeroge shows different structures, and the mixing aeroge layered structure unobvious formed at -80 DEG C are tied simultaneously
Structure more closely, from the volume of unit mass it can also be seen that the mixing aerogel structure for preparing of -20 DEG C of conditions is more loose
Porous, be more advantageous to mixing aeroge (can obtain, the gas of -20 DEG C of preparations of cryogenic temperature the absorption of dyestuff from Adsorption experimental results
Gel is bigger than -80 DEG C of cryogenic temperature to the adsorbance of methylene blue).The result shows that knot of the cryogenic temperature to mixing aeroge
Structure has a very big impact, and the difference of aeroge internal structure also result in absorption dyestuff when have different absorption results.
3.5DSC analysis
Gellan gum GG, mixing aeroge GG/GO-3 and the DSC collection of illustrative plates for mixing aeroge GG/GO-6 are as shown in Figure 4.It is tying
In the scanning spectra of cold glue, occur one section of endothermic curve at 50.1 DEG C, an exothermic peak is formd at 253.3 DEG C.Heat absorption is bent
The stage of moisture loss is shown in line, and the appearance of exothermic peak then represents the thermal decomposition process of gellan gum.Mix aeroge GG/
There is an endothermic peak in 141.6 DEG C and 173.9 respectively in GO-3 and GG/GO-6, this is the molten of gellan gum and graphene oxide
Melt peak；At 205.3 DEG C or so, there are one endothermic peaks, this may be the decomposition due to graphene oxide；At 243.2 DEG C or so two
All there is an exothermic peak in aeroge, represents the thermal decomposition process of gellan gum in mixing aeroge.Compared to the DSC of gellan gum
There is certain movement in the suction exothermic peak position of curve, the mixing aeroge prepared, the results showed that gellan gum and oxidation stone
It is interacted between black alkene, changes intermolecular and intramolecular the active force of gellan gum and graphene oxide, changed
Their structure.
Research of the 3.6 mixing aeroges to methylene blue adsorption number performance
3.6.1 influence of the cryogenic temperature to methylene blue adsorption number performance
Experimental result shows, the mixing aeroge GG/GO-6 that at -20 DEG C prepared by freezing to the adsorbance of methylene blue and
Removal rate is 192.14mg/g and 72.23%, and as cryogenic temperature is reduced to -80 DEG C from -20, mixing aeroge is to methylene blue
Adsorbance and removal rate become 152.42mg/g and 57.31%, i.e., obtained mixing aeroge is freezed at -20 DEG C to methylene
Indigo plant has higher adsorption efficiency.The mixing aeroge prepared at different temperature has different structures, orderly layering thin plate
Structure and porous structure are conducive to absorption of the aeroge to methylene blue.
3.6.2 influence of the mass ratio of gellan gum and graphene oxide to methylene blue adsorption number performance
The mixing aeroge that the mass ratio of different gellan gums and graphene oxide obtains to the adsorbance of methylene blue with go
Except rate as shown in figure 5, mixing aeroge GG/GO-1 is higher than GG/GO-2, GG/GO- to the adsorbance and removal rate of methylene blue
3.This mass ratio that may be gellan gum and graphene oxide is 5：When 1, the mass fraction of graphene oxide is higher, and formation mixes
It is more loose porous to close aerogel structure, while there are more oxygen-containing groups above the graphene oxide of higher concentration, it is negatively charged
The oxygen-containing functional group of lotus is conducive to mix absorption of the aeroge to cationic methylene blue.
3.6.3 aeroge analyzes the adsorption dynamics adsorption kinetics of methylene blue
The mixing aeroge GG/GO-1 that is obtained under different gellan gums and graphene oxide mass ratio and condition of different temperatures,
GG/GO-2, GG/GO-3, GG/GO-4, GG/GO-5 and GG/GO-6 to the curve of adsorption kinetics of methylene blue as shown in fig. 6,
At absorption initial stage, the rate of adsorption is very fast, and the rate of adsorption starts to slow down later, adsorbs after 60h and gradually tends to balance, 72h adsorbance bases
This is not increasing, and absorption reaches balance.The color of the front and back methylene blue solution of comparison, color obviously shoals after absorption.As a result table
Bright, mixing aeroge has good absorption property to methylene blue.
Embodiment 2
1. mixing the preparation of aeroge
Nano material graphene oxide is introduced on gellan gum using sol-gel-freeze drying method and prepares mixing airsetting
Glue.It is as follows：
(1) it takes 1g gellan gums to be dissolved in the deionized water of 50mL, then mechanical agitation 2h, obtains 0.02g/mL gellan gums
Solution；
(2) mass ratio for pressing gellan gum and graphene oxide is 10:1 is mixed, that is, 5mL gellan gum solution is taken to be added
Then the graphene oxide solution of 5mL 2mg/mL is stirred by ultrasonic in ultrasonic cleaner in 30min, obtain homogeneous mixing
Object；
(3) 5h at a temperature of -20 DEG C is pre-chilled in mixture, 40h is then lyophilized and obtains mixing aeroge.
2. mixing the property research of aeroge
The degradation property of 2.1 mixing aeroges
The mixing aeroge of certain mass is put into 50%HCl and 1mol/L NaOH solutions, a period of time is stood, is seen
Examine the situation of change of aeroge.
The ignition quality of 2.2 mixing aeroges
The mixing aeroge for lighting certain mass, observes its ignition quality.
The adsorption property of 2.3 mixing aeroges
The aeroge of certain mass is mixed and is respectively put into ultra-pure water, edible oil and mineral oil, is observed after a period of time
It adsorbs situation.
2.4 mixing the conduction property of aeroge
The conduction property of mixing aeroge is measured using digital multimeter (VC890C+).
2.5 gaseous mixture gel adsorption methylene blue stability studies
In the methylene blue solution for the 50mL that 6mg mixing aeroges are added to 30mg/L, 120h is placed at room temperature, is surveyed
Light absorption value in its fixed solution, calculates adsorbance and removal rate；By methylene blue solution filtering after adsorption equilibrium and dry
To precipitation (aeroge).The mixing aeroge after drying is added in the deionized water of 50mL again, continues to place at room temperature
Then 120h is centrifuged, the methylene blue concentration in solution is measured.
3. experimental result
The degradation property of 3.1 mixing aeroges
The results are shown in Figure 5 for the degradation experiment of mixing aeroge, and mixing aeroge aeroge in 50%HCl solution is basic
Do not change, and the aeroge in 1mol/L NaOH then dissolves in the solution.The result shows that being mixed in alkaline solution
Closing aeroge has degradability.
The ignition quality of 3.2 mixing aeroges
Experimental result shows, after block-like gaseous mixture gel is lighted originally, finally only remaining sub-fraction ashes, show to mix
Closing aeroge has combustibility.
The adsorption property of 3.3 mixing aeroges
Experimental result shows, mixing aeroge can absorb water, edible oil and mineral oil, illustrate that mixing aeroge has absorption
The property of organic solvent, can be used in wastewater treatment, absorption dyestuff, organic matter etc..
The conduction property of 3.4 mixing aeroges
The conductive test of aeroge is mixed the results show that mixing aeroge does not have electric conductivity.
3.5 mixing aeroges analyze the absorption stability of methylene blue
In the methylene blue solution for the 50mL that the mixing aeroge of 6mg is added to 30mg/L, 120h is placed at room temperature, is surveyed
Its adsorbance is 192mg/g, removal rate 72%, a concentration of 24.2mg/L of deviation before and after methylene blue adsorption number.Again will
Mixing aeroge after drying is put into deionized water after standing 120h, measures a concentration of of the methylene blue solution in solution
0.5908mg/L.The result shows that gaseous mixture gel adsorption methylene blue rear stability is good, deionized water is difficult to be eluted, because
This, mixing aeroge of the invention has the function of good adsorption cleaning to methylene blue in aqueous solution, can be used for food work
The processing of industry waste water.
Methylene blue can prevent fresh-water fishes saprolegniasis, red-mouth disease and ich etc., can also reduce fish in transit
The death rate, but there is toxicity to human body.In the water tank of transport fish, the mixing of the present invention is put into while methylene blue is added
Aeroge, using the function of the mixing adsorbable methylene blue of aeroge, both can guarantee reduces the death rate of fish in transit,
The toxic effect to human body such as methylene blue can be reduced.
In addition, the mixing aeroge of the present invention also there is good adsorption effect therefore can be used for the pigments such as crystal violet
Adsorb dyestuff and sewage disposal etc..
It should be noted that although the various embodiments described above have been described herein, it is not intended to limit
The scope of patent protection of the present invention.Therefore, based on the present invention innovative idea, to embodiment described herein carry out change and repair
Change, or using equivalent structure or equivalent flow shift made by description of the invention and accompanying drawing content, it directly or indirectly will be with
Upper technical solution is used in other related technical areas, is included within the scope of patent protection of the present invention.
Claims (6)
1. a kind of mixing aeroge, it is characterised in that：The mixing aeroge be by gellan gum and graphene oxide mixing after,
It is freeze-dried to obtain.
2. a kind of preparation method of mixing aeroge as described in claim 1, it is characterised in that：The preparation method is：
In deionized water by gellan gum dissolving, graphene oxide solution is added, is then stirred to react, obtains homogeneous mixture；Mixing
Object is pre-chilled at -20 DEG C or less, and then freeze-drying can be obtained the aeroge of gellan gum and graphene oxide mixing.
3. the preparation method of mixing aeroge according to claim 2, it is characterised in that：The gellan gum and oxidation stone
The mass ratio of black alkene is 5~10:1.
4. a kind of application of mixing aeroge in Dye Adsorption, which is characterized in that the mixing aeroge is claim 1 institute
The aeroge stated, or the aeroge that is prepared by claim 2 the method.
5. a kind of application of mixing aeroge in water process, which is characterized in that the mixing aeroge is described in claim 1
Aeroge, or the aeroge that is prepared by claim 2 the method.
6. a kind of application of mixing aeroge in fish are transported, which is characterized in that the mixing aeroge is claim 1 institute
The aeroge stated, or the aeroge that is prepared by claim 2 the method.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110589819A (en) * | 2019-11-01 | 2019-12-20 | 苏州大学 | Graphene aerogel and preparation method thereof |
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