CN109806868A - A kind of organic wastewater degraded agent of recyclable recycling - Google Patents
A kind of organic wastewater degraded agent of recyclable recycling Download PDFInfo
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Abstract
The invention discloses a kind of organic wastewater degraded agent of recyclable recycling, the formula of the organic wastewater degraded agent of the recyclable recycling is as follows: dopamine hydrochloric acid, buffer solution, copper-bath, magnetic nano particle, hexadecyltrimethylammonium chloride, 1- (3- dimethylamino-propyl) -3- ethyl carbodiimide, n-hydroxysuccinimide.The present invention is with the copper nano particles in noble metal nanometer material due to the property with special physics, chemical property and fermentoid, can catalyzing hydrogen peroxide generate high activity hydroxyl radical free radical, copper nano particles are modified in magnetic ferroferric oxide nanometer particle surface, and the composite nanometer particle is applied to the degradation treatment of waste water from dyestuff, stability is high, since composite nanometer particle itself has over paramagnetism, recycling and reusing can be facilitated under the action of externally-applied magnetic field after use, to avoid secondary pollution, safety and stability, it is applied widely, be conducive to popularize.
Description
Technical field
The invention belongs to technical field of waste water processing, more specifically more particularly to a kind of recyclable recycling it is organic
Wastewater degradation agent.
Background technique
With the continuous development of China's economy, the industrial departments such as dyestuff, medicine and biochemistry discharge a large amount of organic wastewater and make
At environmental pollution, human health is seriously threatened.It is numerous studies have shown that traditional biological treatment, absorption and oxidation technology
It is difficult treatment of Organic Wastewater to safety dumping or reuse standard, and high-level oxidation technology (AOPs) is then suitble to processing such is useless
Water.Wherein, the distinguishing features such as Fenton (Fenton) oxidizing process is simple with operating process, reaction condition is mild, oxidation efficiency is high by
It is widely used in difficult to degrade, toxic treatment of Organic Wastewater in practice to the attention of people, and in production.However, Fenton body
System needs highly acid (about pH=3) condition when treating wastewater and has hydrogen peroxide (H2O2) utilization efficiency is low, ferrous ion (Fe2+)
It is lost the defects of generating a large amount of sludge, seriously constrains the large-scale application of Fenton reaction.
Summary of the invention
The purpose of the present invention is to solve disadvantages existing in the prior art, and a kind of recyclable recycling proposed
Organic wastewater degraded agent.
To achieve the above object, the invention provides the following technical scheme:
A kind of organic wastewater degraded agent of recyclable recycling, the organic wastewater degraded agent of the recyclable recycling are matched
Side is as follows: 3-5 parts of dopamine hydrochloric acid, 5-10 parts of buffer solution, and 6-8 parts of copper-bath, 10-15 parts of magnetic nano particle, 16
4-8 parts of alkyl trimethyl ammonium chloride, 2-4 parts of -3- ethyl carbodiimide of 1- (3- dimethylamino-propyl), n-hydroxysuccinimide
1-3 parts.
Preferably, the formula of the organic wastewater degraded agent of the recyclable recycling is as follows: 3 parts of dopamine hydrochloric acid, buffering
5 parts of solution, 6 parts of copper-bath, 10 parts of magnetic nano particle, 4 parts of hexadecyltrimethylammonium chloride, 1- (3- dimethylamino third
Base) 2 parts of -3- ethyl carbodiimide, 1 part of n-hydroxysuccinimide.
Preferably, the formula of the organic wastewater degraded agent of the recyclable recycling is as follows: 4 parts of dopamine hydrochloric acid, buffering
8 parts of solution, 7 parts of copper-bath, 13 parts of magnetic nano particle, 6 parts of hexadecyltrimethylammonium chloride, 1- (3- dimethylamino third
Base) 3 parts of -3- ethyl carbodiimide, 2 parts of n-hydroxysuccinimide.
Preferably, the formula of the organic wastewater degraded agent of the recyclable recycling is as follows: 5 parts of dopamine hydrochloric acid, buffering
10 parts of solution, 8 parts of copper-bath, 15 parts of magnetic nano particle, 8 parts of hexadecyltrimethylammonium chloride, 1- (3- dimethylamino third
Base) 4 parts of -3- ethyl carbodiimide, 3 parts of n-hydroxysuccinimide.
Preferably, the buffer solution is PBS buffer solution, and the concentration of buffer solution is 10mmolL-1, pH=
7.0。
Preferably, the magnetic nano particle is the magnetic nano particle of carboxylated, and the concentration of magnetic nano particle is 150uL
2.0g·mL-1。
A kind of organic wastewater degraded agent of recyclable recycling provided by the invention, the preparation method of the degradation agent is such as
Under:
S1, first 50-60mg dopamine hydrochloride is dissolved in 8-12mLPBS buffer solution, after being heated to 70 DEG C -90 DEG C,
10mL4.0molL is added dropwise-1Copper-bath and 5.0mL2.0molL-1Hexadecyltrimethylammonium chloride solution
Heat preservation to solution colour becomes brown at 70 DEG C -90 DEG C；
S2, again by acquired solution dialyse 1-3 days, obtain copper nano particles solution be placed in it is spare at 0 DEG C -8 DEG C；
S3,150uL2.0gmL is then taken-1The magnetic nano particle of carboxylated is scattered in 3-7mLPBS buffer solution；
S4,15-25mg1- (3- dimethylamino-propyl) -3- ethyl carbodiimide and 40-60mgN- hydroxysuccinimidyl acyl is added
Imines vibrates 10-20min at room temperature；
S4, the copper nano particles solution 45-55mL after above-mentioned dialysis then is added, vibrates 20-28h at 20 DEG C -30 DEG C；
S4, it after completion of the reaction, first using centrifuge centrifugally operated, then using milli-Q water, be finally dispersed in PBS buffering
In solution, composite nanometer particle, i.e. degradation agent are obtained.
Preferably, the resistivity of the ultrapure water is 18M Ω cm, and the revolving speed of centrifuge is in 3000-5000r/min.
Preferably, dosage is 1.0ugL to the described degradation agent when in use-1, while concentration being cooperated to be 5.0mmolL-1
H2O2, 1h is reacted in the case where temperature is 30 DEG C, initial pH value is 7.0.
Technical effect and advantage of the invention: a kind of organic wastewater degraded agent of recyclable recycling provided by the invention,
Compared with traditional product, copper nano particles in noble metal nanometer material of the present invention due to special physics, chemically
The property of matter and fermentoid, can catalyzing hydrogen peroxide generate high activity hydroxyl radical free radical, by copper nano particles modification magnetism four
Fe 3 O nano grain surface, and the degradation treatment by the composite nanometer particle applied to waste water from dyestuff, stability is high, due to
Composite nanometer particle itself has over paramagnetism, can facilitate recycling and reusing under the action of externally-applied magnetic field after use, to keep away
Exempt from secondary pollution, concentration of hydrogen peroxide needed for this method is lower, pH application range is big, and the dye wastewater that can effectively degrade resists
Raw element waste water and anticarcinogen waste water, safety and stability is applied widely, is conducive to popularize.
Detailed description of the invention
Fig. 1 is rhodamine B in CuNPs, Fe3O4, Fe3O4@CuNPs, H2O2, CuNPs/H2O2With Fe3O4@CuNPs/H2O2Deng
Degradation efficiency schematic diagram in different systems；
Fig. 2 is this H2O2Concentration is to Fe3O4The influence schematic diagram of@CuNPs rhodamine B degradation efficiency；
Fig. 3 is this Fe3O4Influence schematic diagram of the@CuNPs dosage to rhodamine B degradation efficiency；
Fig. 4 is this temperature to Fe3O4The influence schematic diagram of@CuNPs rhodamine B degradation efficiency；
Fig. 5 is this pH to Fe3O4The influence schematic diagram of@CuNPs rhodamine B degradation efficiency；
Fig. 6 is this Fe3O4The reuse situation schematic diagram of@CuNPs rhodamine B degradation.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Herein
Described specific embodiment is only used to explain the present invention, is not intended to limit the present invention.Based on the embodiments of the present invention,
Every other embodiment obtained by those of ordinary skill in the art without making creative efforts, belongs to this hair
The range of bright protection.
Embodiment 1
A kind of organic wastewater degraded agent of recyclable recycling, the organic wastewater degraded agent of the recyclable recycling are matched
Side is as follows: 3 parts of dopamine hydrochloric acid, 5 parts of buffer solution, and 6 parts of copper-bath, 10 parts of magnetic nano particle, cetyl trimethyl
4 parts of ammonium chloride, 2 parts of -3- ethyl carbodiimide, 1 part of n-hydroxysuccinimide of 1- (3- dimethylamino-propyl).
Specifically, the buffer solution is PBS buffer solution, and the concentration of buffer solution is 10mmolL-1, pH=
7.0。
Specifically, the magnetic nano particle is the magnetic nano particle of carboxylated, and the concentration of magnetic nano particle is 150uL
2.0g·mL-1。
A kind of organic wastewater degraded agent of recyclable recycling provided by the invention, the preparation method of the degradation agent is such as
Under:
S1, first 50mg dopamine hydrochloride is dissolved in 8mLPBS buffer solution, after being heated to 70 DEG C, is added dropwise
10mL4.0mol·L-1Copper-bath and 5.0mL2.0molL-1Hexadecyltrimethylammonium chloride solution is at 70 DEG C
Heat preservation to solution colour becomes brown；
S2, again by acquired solution dialyse 1 day, obtain copper nano particles solution be placed in it is spare at 0 DEG C；
S3,150uL2.0gmL is then taken-1The magnetic nano particle of carboxylated is scattered in 3mLPBS buffer solution；
S4,15mg1- (3- dimethylamino-propyl) -3- ethyl carbodiimide and 40mgN- HOSu NHS, room is added
Temperature is lower to vibrate 10min；
S4, the copper nano particles solution 45mL after above-mentioned dialysis then is added, vibrates 20h at 20 DEG C；
S4, it after completion of the reaction, first using centrifuge centrifugally operated, then using milli-Q water, be finally dispersed in PBS buffering
In solution, composite nanometer particle, i.e. degradation agent are obtained.
Specifically, the resistivity of the ultrapure water is 18M Ω cm, and the revolving speed of centrifuge is in 3000r/min.
Specifically, dosage is 1.0ugL to the described degradation agent when in use-1, while concentration being cooperated to be 5.0mmolL-1
H2O2, 1h is reacted in the case where temperature is 30 DEG C, initial pH value is 7.0.
Embodiment 2
A kind of organic wastewater degraded agent of recyclable recycling, the organic wastewater degraded agent of the recyclable recycling are matched
Side is as follows: 4 parts of dopamine hydrochloric acid, 8 parts of buffer solution, and 7 parts of copper-bath, 13 parts of magnetic nano particle, cetyl trimethyl
6 parts of ammonium chloride, 3 parts of -3- ethyl carbodiimide, 2 parts of n-hydroxysuccinimide of 1- (3- dimethylamino-propyl).
Specifically, the buffer solution is PBS buffer solution, and the concentration of buffer solution is 10mmolL-1, pH=
7.0。
Specifically, the magnetic nano particle is the magnetic nano particle of carboxylated, and the concentration of magnetic nano particle is 150uL
2.0g·mL-1。
A kind of organic wastewater degraded agent of recyclable recycling provided by the invention, the preparation method of the degradation agent is such as
Under:
S1, first 55mg dopamine hydrochloride is dissolved in 10mLPBS buffer solution, after being heated to 80 DEG C, is added dropwise
10mL4.0mol·L-1Copper-bath and 5.0mL2.0molL-1Hexadecyltrimethylammonium chloride solution is at 80 DEG C
Heat preservation to solution colour becomes brown；
S2, again by acquired solution dialyse 2 days, obtain copper nano particles solution be placed in it is spare at 4 DEG C；
S3,150uL2.0gmL is then taken-1The magnetic nano particle of carboxylated is scattered in 5mLPBS buffer solution；
S4,20mg1- (3- dimethylamino-propyl) -3- ethyl carbodiimide and 50mgN- HOSu NHS, room is added
Temperature is lower to vibrate 15min；
S4, the copper nano particles solution 50mL after above-mentioned dialysis then is added, is vibrated for 24 hours at 25 DEG C；
S4, it after completion of the reaction, first using centrifuge centrifugally operated, then using milli-Q water, be finally dispersed in PBS buffering
In solution, composite nanometer particle, i.e. degradation agent are obtained.
Specifically, the resistivity of the ultrapure water is 18M Ω cm, and the revolving speed of centrifuge is in 4000r/min.
Specifically, dosage is 1.0ugL to the described degradation agent when in use-1, while concentration being cooperated to be 5.0mmolL-1
H2O2, 1h is reacted in the case where temperature is 30 DEG C, initial pH value is 7.0.
Embodiment 3
A kind of organic wastewater degraded agent of recyclable recycling, the organic wastewater degraded agent of the recyclable recycling are matched
Side is as follows: 5 parts of dopamine hydrochloric acid, 10 parts of buffer solution, and 8 parts of copper-bath, 15 parts of magnetic nano particle, cetyl trimethyl
8 parts of ammonium chloride, 4 parts of -3- ethyl carbodiimide, 3 parts of n-hydroxysuccinimide of 1- (3- dimethylamino-propyl).
Specifically, the buffer solution is PBS buffer solution, and the concentration of buffer solution is 10mmolL-1, pH=
7.0。
Specifically, the magnetic nano particle is the magnetic nano particle of carboxylated, and the concentration of magnetic nano particle is 150uL
2.0g·mL-1。
A kind of organic wastewater degraded agent of recyclable recycling provided by the invention, the preparation method of the degradation agent is such as
Under:
S1, first 60mg dopamine hydrochloride is dissolved in 12mLPBS buffer solution, after being heated to 90 DEG C, is added dropwise
10mL4.0mol·L-1Copper-bath and 5.0mL2.0molL-1Hexadecyltrimethylammonium chloride solution is at 90 DEG C
Heat preservation to solution colour becomes brown；
S2, again by acquired solution dialyse 3 days, obtain copper nano particles solution be placed in it is spare at 8 DEG C；
S3,150uL2.0gmL is then taken-1The magnetic nano particle of carboxylated is scattered in 7mLPBS buffer solution；
S4,25mg1- (3- dimethylamino-propyl) -3- ethyl carbodiimide and 60mgN- HOSu NHS, room is added
Temperature is lower to vibrate 20min；
S4, the copper nano particles solution 55mL after above-mentioned dialysis then is added, vibrates 28h at 30 DEG C；
S4, it after completion of the reaction, first using centrifuge centrifugally operated, then using milli-Q water, be finally dispersed in PBS buffering
In solution, composite nanometer particle, i.e. degradation agent are obtained.
Specifically, the resistivity of the ultrapure water is 18M Ω cm, and the revolving speed of centrifuge is in 5000r/min.
Specifically, dosage is 1.0ugL to the described degradation agent when in use-1, while concentration being cooperated to be 5.0mmolL-1
H2O2, 1h is reacted in the case where temperature is 30 DEG C, initial pH value is 7.0.
Finished product experiment: by 1.0umolL-1Rhodamine B as simulated wastewater be added fluorescence pond in, use H2SO4And NaOH
PH value is adjusted, a certain amount of Fe is added3O4@CuNPs is simultaneously mixed, and a certain amount of H is then added2O2, it is spaced one at a certain temperature
The fluorescence intensity of section time measurement rhodamine B, and concentration is converted into according to working curve, degradation and decolorization rate is calculated as follows.
Degradation and decolorization rate=(C0-C)/C0× 100%
In formula: C0For initial concentration, umolL-1；C is residual concentration, umolL-1。
To investigate nanometer Fe3O4@CuNPs/H2O2The efficiency of system rhodamine B degradation, compares Fe3O4@CuNPs、Fe3O4@
SiO2、CuNPs2、H2O2、Fe3O4@SiO2/H2O2With Fe3O4@CuNPs/H2O2Degradation of six kinds of systems to simulation rhodamine B
Effect.In nanometer Fe3O4@CuNPs dosage is 1.0ugL-1, H2O2Concentration is 5.0mmolL-1, temperature is 30 DEG C, initial pH
Value is 7.0, under conditions of reacting 1h, simulates the degradation of rhodamine B, as a result as shown in Figure 1.As shown in Figure 1, Fe3O4@
SiO2It is difficult that rhodamine B is made to degrade, illustrates Fe3O4@SiO2Only as carrier to introduce CuNPs and play separation in this system
The effect of recycling；CuNPs, Fe are used respectively3O4@CuNPs and H2O2Rhodamine B is handled, degradation rate is negligible, instruction sheet
Only CuNPs, Fe3O4@CuNPs and H2O2It is unable to rhodamine B degradation.However, Fe3O4@CuNPs/H2O2With CuNPs/H2O2System
The degradation rate of rhodamine B is dramatically increased, and the degradation rate no significant difference of the two.The result shows that nanometer Fe3O4@CuNPs/
H2O2System is to the degradation effect of rhodamine B mainly by CuNPs and H2O2Between Fenton's reaction caused by.
Influence empirical factor detecting step:
S1, in nanometer Fe3O4@CuNPs dosage is 1.0ugL-1, temperature is 30 DEG C, under conditions of pH=7.0, H2O2It is dense
It is as shown in Figure 2 to spend the influence degraded to rhodamine B.As shown in Figure 2, not plus H2O2When, rhodamine B is not degraded.With
H2O2The increase of concentration, rhodamine B degradation rate significantly improve.Work as H2O2Concentration is 3.0mmolL-1, react 30min after degradation
Rate is 31% or so；Work as H2O2Concentration is 6.0mmolL-1, degradation rate reaches 52% in 30min, extend reaction to 60min,
Degradation rate is up to 68.1%；Continue growing H2O2Concentration, degradation rate variation are unobvious.The possible reason is H2O2Concentration is bigger,
With Fe3O4The chance of@CuNPs contact is more, to generate more OH and promote the degradation of rhodamine B.But it is excessive
H2O2Also OH can be consumed, to reduce the degradation rate of rhodamine B.Therefore, under the above conditions, H2O2Optium concentration be
6.0mmol·L-1, hence it is evident that lower than the dosage of hydrogen peroxide in traditional Fenton's reaction.
S2, in H2O2Concentration is 6.0mmolL-1, temperature is 30 DEG C, pH=7.0, under conditions of reacting 30min, is investigated
Nanometer Fe3O4The influence that the dosage of@CuNPs degrades to rhodamine B, as a result as shown in Figure 3.From the figure 3, it may be seen that working as nanometer Fe3O4@
The dosage of CuNPs is from 0-1.5ugL-1When variation, rhodamine B degradation speed is gradually accelerated, degradation rate also significantly improve to
82.7%.But in 1.2-1.5ugL-1Between rhodamine B degradation rate no significant difference.The possible reason is nanometer Fe3O4@
CuNPs dosage is excessive and lacks H2O2It is caused.Therefore, under the above conditions, nanometer Fe3O4The optimum amount of@CuNPs is
1.2ug·L-1。
S3, in H2O2Concentration is 6.0mmolL-1, Fe3O4@CuNPs dosage is 1.2ugL-1, under conditions of pH=7.0,
The influence that temperature degrades to rhodamine B is investigated.As shown in figure 4, reacting 30min, rhodamine B degradation when temperature is 20 DEG C
Rate 16.4% is increased to 20.56%.As the temperature rises, the degradation rate of rhodamine B dramatically increases, when temperature is 30 DEG C,
Rhodamine B degradation rate reaches 51.19% in 30min.Continue to increase temperature to 40 DEG C, the degradation rate of rhodamine B can be improved to
72.97%.The result shows that as the temperature rises, H2O2With Fe3O4The reaction rate of@CuNPs is accelerated, and promotes that OH's is quick
It generates, the degradation rate of rhodamine B is also correspondingly improved.
S4, in H2O2Concentration is 6.0mmolL-1, Fe3O4@CuNPs dosage is 1.2ugL-1, temperature is 30 DEG C, reaction
Under conditions of 30min, the influence that solution initial pH value (pH4.0-8.0) degrades to rhodamine B has been investigated.As shown in figure 5, in pH
When=4.0, rhodamine B degradation rate is up to 100% in 5min；As pH=6.0, rhodamine B degradation rate is also reachable in 10min
100%；The pH value of solution is adjusted to 7.0, degradation rate, up to 52%, if extending reaction to 60min, is degraded in 30min
Rate is also up to 87.2%；But in pH=8, degradation rate is only 17.5% in 30min.The possible reason is Fe is in acid item
Volatile de-electromation, accelerates H under part2O2Decomposition, promote the generation of OH, and H2O2It is unstable under alkaline condition, easily decompose
For oxygen and water.The result shows that the system can realize the degradation to rhodamine B in the range of pH=4.0-7.0, biography is overcome
The deficiency of system Fenton's reaction pH narrow range (being suitable for highly acid).
S5, in nanometer Fe3O4@CuNPs dosage is 1.2ugL-1, H2O2Concentration is 6.0mmolL-1, temperature is 30 DEG C,
PH=7.0 under conditions of reacting 30min, has studied influence of the recycling catalyst to the repetition degradation rate of rhodamine B, as a result such as
Shown in Fig. 6.Before each circulation, the Fe that is recycled by magnetism separate method by upper one3O4@CuNPs is separated and is used ultrapure water
Washing, drying.Then abovementioned steps are pressed, the H of equivalent is added2O2And the Fe of recycling3O4@CuNPs carries out subsequent cycle, by 3 times
Circulation, rhodamine B degradation rate is still up to 65% or more.The result shows that nanometer Fe3O4The catalytic activity of@CuNPs is stablized, by simple
Separation, that is, it is reusable.
S6, in nanometer Fe3O4@CuNPs dosage is 1.2ugL-1, H2O2Concentration is 6.0mmolL-1, temperature is 30 DEG C,
Under conditions of reacting 10min, it is antibiotic (such as Doxycycline, tetracycline) and antitumor to simulating to have investigated this method by pH=7.0
The degradation effect of drug (such as adriamycin) waste water.Nanometer Fe3O4@CuNPs is to simulation Doxycycline, tetracycline and adriamycin waste water
There is good degradation effect, illustrates that this method has broader practice prospect.
In summary: by ferrocene covalent modification in magnetic Fe3O4Surface is prepared for nanometer Fe3O4@CuNPs particle, this is received
The Fe on rice grain surface can be with H2O2Between occur Fenton reaction generate OH.The experimental results showed that in H2O2Concentration is
6.0mmol·L-1, nanometer Fe3O4@CuNPs dosage is 1.2ugL-1, initial pH be the condition that 30min is reacted at 7.0,30 DEG C
Under, the degradation rate of rhodamine B is up to 82.7%.Nanometer Fe3O4@CuNPs shows good stability, reuses 3 times after recycling,
The degradation rate of rhodamine B is still up to 65%.Concentration of hydrogen peroxide needed for this method is lower, pH application range is expanded to 4-7, can be effective
Degradation dye wastewater, antibiotic waste water and anticarcinogen waste water, are expected to provide a kind of efficient green for the degradation of organic wastewater
New method.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features,
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (9)
1. a kind of organic wastewater degraded agent of recyclable recycling, which is characterized in that the organic wastewater of the recyclable recycling
The formula of degradation agent is as follows: 3-5 parts of dopamine hydrochloric acid, 5-10 parts of buffer solution, and 6-8 parts of copper-bath, magnetic nano particle 10-
15 parts, 4-8 parts of hexadecyltrimethylammonium chloride, 2-4 parts of -3- ethyl carbodiimide of 1- (3- dimethylamino-propyl), N- hydroxyl
1-3 parts of succinimide.
2. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, it is characterised in that: described to return
The formula for receiving the organic wastewater degraded agent recycled is as follows: 3 parts of dopamine hydrochloric acid, 5 parts of buffer solution, and 6 parts of copper-bath, magnetic
10 parts of nano particle, 4 parts of hexadecyltrimethylammonium chloride, 2 parts of -3- ethyl carbodiimide of 1- (3- dimethylamino-propyl), N-
1 part of HOSu NHS.
3. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, it is characterised in that: described to return
The formula for receiving the organic wastewater degraded agent recycled is as follows: 4 parts of dopamine hydrochloric acid, 8 parts of buffer solution, and 7 parts of copper-bath, magnetic
13 parts of nano particle, 6 parts of hexadecyltrimethylammonium chloride, 3 parts of -3- ethyl carbodiimide of 1- (3- dimethylamino-propyl), N-
2 parts of HOSu NHS.
4. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, it is characterised in that: described to return
The formula for receiving the organic wastewater degraded agent recycled is as follows: 5 parts of dopamine hydrochloric acid, 10 parts of buffer solution, and 8 parts of copper-bath,
15 parts of magnetic nano particle, 8 parts of hexadecyltrimethylammonium chloride, 4 parts of -3- ethyl carbodiimide of 1- (3- dimethylamino-propyl),
3 parts of n-hydroxysuccinimide.
5. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, it is characterised in that: the buffering
Solution is PBS buffer solution, and the concentration of buffer solution is 10mmolL-1, pH=7.0.
6. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, it is characterised in that: the magnetic is received
Rice grain is the magnetic nano particle of carboxylated, and the concentration of magnetic nano particle is 150uL2.0gmL-1。
7. a kind of organic wastewater degraded agent of recyclable recycling according to claim 1, which is characterized in that the described drop
Solve agent the preparation method is as follows:
S1, first 50-60mg dopamine hydrochloride is dissolved in 8-12mLPBS buffer solution, after being heated to 70 DEG C -90 DEG C, dropwise
10mL4.0molL is added-1Copper-bath and 5.0mL2.0molL-1Hexadecyltrimethylammonium chloride solution is in 70
Heat preservation to solution colour becomes brown at DEG C -90 DEG C；
S2, again by acquired solution dialyse 1-3 days, obtain copper nano particles solution be placed in it is spare at 0 DEG C -8 DEG C；
S3,150uL2.0gmL is then taken-1The magnetic nano particle of carboxylated is scattered in 3-7mLPBS buffer solution；
S4,15-25mg1- (3- dimethylamino-propyl) -3- ethyl carbodiimide and 40-60mgN- HOSu NHS is added,
10-20min is vibrated at room temperature；
S4, the copper nano particles solution 45-55mL after above-mentioned dialysis then is added, vibrates 20-28h at 20 DEG C -30 DEG C；
S4, it after completion of the reaction, first using centrifuge centrifugally operated, then using milli-Q water, be finally dispersed in PBS buffer solution
In, obtain composite nanometer particle, i.e. degradation agent.
8. a kind of organic wastewater degraded agent of recyclable recycling according to claim 7, it is characterised in that: described ultrapure
The resistivity of water is 18M Ω cm, and the revolving speed of centrifuge is in 3000-5000r/min.
9. a kind of organic wastewater degraded agent of recyclable recycling according to claim 7, it is characterised in that: the described drop
Solving agent, dosage is 1.0ugL when in use-1, while concentration being cooperated to be 5.0mmolL-1H2O2, it is 30 DEG C, initially in temperature
PH value reacts 1h in the case where being 7.0.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113321287A (en) * | 2021-06-09 | 2021-08-31 | 昆明理工大学 | Method for degrading antibiotics by hydrogen peroxide through ionic liquid aqueous phase transfer catalysis |
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