CN106392098A - Preparation method of nanometer silver hydrosol and treatment method for dye wastewater - Google Patents
Preparation method of nanometer silver hydrosol and treatment method for dye wastewater Download PDFInfo
- Publication number
- CN106392098A CN106392098A CN201610882623.5A CN201610882623A CN106392098A CN 106392098 A CN106392098 A CN 106392098A CN 201610882623 A CN201610882623 A CN 201610882623A CN 106392098 A CN106392098 A CN 106392098A
- Authority
- CN
- China
- Prior art keywords
- solution
- dyestuff
- nano
- silver
- hydrosol
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F9/00—Making metallic powder or suspensions thereof
- B22F9/16—Making metallic powder or suspensions thereof using chemical processes
- B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
- B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
- B22F1/00—Metallic powder; Treatment of metallic powder, e.g. to facilitate working or to improve properties
- B22F1/05—Metallic powder characterised by the size or surface area of the particles
- B22F1/054—Nanosized particles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- 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
- C02F1/70—Treatment of water, waste water, or sewage by reduction
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Nanotechnology (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- General Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Catalysts (AREA)
Abstract
The invention discloses a preparation method of nanometer silver hydrosol. The preparation method comprises the following steps: under continuous stirring, adding a silver nitrate solution of which the concentration is 1.7g/L to 5.1g/L into a chlorogenic acid solution of which the concentration is 5g/L, reacting, and regulating the pH value to 6-9 by using a sodium hydroxide solution of which the concentration is 4.0g/L to obtain the nanometer silver hydrosol. The preparation method of the nanometer silver hydrosol is green and environmentally friendly in production process; the obtained product nanometer silver hydrosol is concentrative in particle size and is free of an agglomeration phenomenon. The invention also provides a treatment method for dye wastewater. According to the treatment method for the dye wastewater, a reducing agent solution is added to the dye wastewater for reaction, and the nanometer silver hydrosol is simultaneously added, wherein the volume ratio of the added nanometer silver hydrosol to the added reducing agent solution is 1 to (0.5-2); the treatment method is simple to operate, moderate in reaction condition and capable of lowering the production cost.
Description
Technical field
The present invention relates to the processing method of a kind of preparation method of nano-silver hydrosol and waste water from dyestuff.
Background technology
With the development of human economy and society, environmental problem especially water pollution is also increasingly subject to the harm of human body
Concern.Waste water from dyestuff is one of main source of current water pollution, due to organic dyestuff difficult degradation, easily accumulates in water, sternly
Threaten ecological environment and human health again, have multiple physico-chemical processes and biological method to can apply to dye wastewater treatment
In, the method for the industrial dye waste water process commonly used both at home and abroad includes：Biological degradation method, chemical oxidization method, electrochemical process etc..
Direct dyes for complicated component and reactive dye, biological degradation method is poor to its treatment effect, chemical oxidation
Method is most commonly used that Fenton oxidation technology at present, and this technology haves such problems as that oxidability deficiency, water outlet contain iron ion, and electric
Chemical method in practical operation, unit power consumption and electrode material usage amount is big etc. so as to development and application are restricted, above-mentioned several
All there is the limitation of technology in the method for kind, therefore, the processing method of waste water from dyestuff also needs to expand further.
Due to the special effects of nano particle, Nano Silver has very high surface energy and chemism, and therefore, Nano Silver has
For light, heat, electricity, sound, magnetic, mechanical property and catalytic performance etc., and it is new to be widely used in antistatic material and catalysis material etc.
In emerging functional material.Because Nano Silver all shows using value in many fields, current Nano Silver gains great popularity, nanometer
The preparation method of silver has a lot, and the preparation method of conventional nano silver has Physical and chemical method.Physical prepares nano silver particles
Device therefor is expensive, and producing cost is high, and condition should not control.It is simple to operate, easily that chemical method prepares nano silver particles
Control, but agents useful for same easily produces pollution to environment.
Content of the invention
The invention provides a kind of preparation method of nano-silver hydrosol, expand the preparation method of Nano Silver, solved
Physical prepares that nano silver particles device therefor is expensive, producing cost is high, and chemical method prepares institute during nano silver particles
Easily environment is produced with the problem of pollution with reagent.Meanwhile, present invention also offers a kind of processing method of waste water from dyestuff, in order to
Expand the processing method of current waste water from dyestuff, the treatment effect for the reactive dye in waste water from dyestuff and acid dyes is particularly prominent
Go out, it is poor to solve biological degradation method treatment effect, and chemical oxidization method exists, and oxidability is not enough, water outlet contains iron ion
Deng problem.
In order to solve above-mentioned technical problem, the technical scheme is that：
A kind of preparation method of nano-silver hydrosol is it is characterised in that comprise the steps：
Under continuous stirring, by concentration be 1.7～5.1g/L silver nitrate solution add concentration be 5g/L solution of chlorogenic acid
In reacted, and the sodium hydroxide solution being 4.0g/L with concentration adjusts pH value to 6～9, and described nano-silver hydrosol is obtained.
Preferably, the volume ratio of described solution of chlorogenic acid and described silver nitrate solution is 1～10:1～10.
Preferably, the reaction time of described silver nitrate solution and the reaction of described solution of chlorogenic acid is 30min～90min.
Preferably, the reaction temperature of described silver nitrate solution and the reaction of described solution of chlorogenic acid is 20～95 DEG C.
The preparation method of nano-silver hydrosol of the present invention is simple to operate, and the condition of reaction is easily controlled, production cost
Low.
Present invention also offers a kind of processing method of waste water from dyestuff, its step is as follows：
Add reductant solution to be reacted in waste water from dyestuff, be additionally added above-mentioned nano-silver hydrosol simultaneously, described receive
The volume ratio of the silver-colored hydrosol of rice and described reductant solution is 1:0.5～2.
Preferably, described reductant solution is sodium borohydride aqueous solution, sodium borohydride in described sodium borohydride aqueous solution
Concentration be 3.8～11.4g/L.
Preferably, in described nano-silver hydrosol, the concentration of Nano Silver is 0.05～0.2g/L.
Preferably, the reaction time of described reductant solution, described nano-silver hydrosol and the reaction of described waste water from dyestuff
For 3min～60min.
Preferably, described waste water from dyestuff includes REACTIVE Yellow 145 dyestuff and/or Direct Red 23 dyestuff.
The processing method of waste water from dyestuff of the present invention is simple to operate, the method using directly feeding intake, and reaction condition is gentle,
Reduce production cost, be catalyst using nano-silver hydrosol, improve reducing agent sodium borohydride reduction degradation of dye waste water
In direct dyes and/or reactive dye ability.
Brief description
Fig. 1 and Fig. 2 is the transmission electron microscope picture of the nano-Ag particles of the embodiment of the present invention one；
Fig. 3 is the grain size distribution of the nano-Ag particles of the embodiment of the present invention one；
Fig. 4 is the absorption spectrum curve figure of the REACTIVE Yellow 145 dye solution of comparative example one of the present invention (using sodium borohydride water
Solution is processed)；
Fig. 5 is the absorption spectrum curve figure of the REACTIVE Yellow 145 dye solution of the embodiment of the present invention two (using sodium borohydride water
Nano-silver hydrosol in solution and embodiment one is processed)；
Fig. 6 is the absorption spectrum curve figure of the Direct Red 23 dye solution of comparative example one of the present invention (using sodium borohydride water
Solution is to process)；
Fig. 7 is the absorption spectrum curve figure of the Direct Red 23 dye solution of the embodiment of the present invention two (using sodium borohydride water
Nano-silver hydrosol in solution and embodiment one is processed).
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention,
Rather than limit the range of application of the present invention.
Embodiment one
The preparation method of nano-silver hydrosol：
(1) preparation of solution of chlorogenic acid：It is raw material that the present invention adopts bark of eucommia chlorogenic acid, and described bark of eucommia chlorogenic acid is a kind of Du
Secondary extract, wherein, the content of chlorogenic acid is 98%, accurately weighs 2.55g bark of eucommia chlorogenic acid, and is dissolved in the pure water of 500mL
In, the filter membrane using 0.45 μm filters to solution, goes the removal of impurity, and preparation concentration is the solution of chlorogenic acid of 5g/L.
(2) preparation of silver nitrate solution：Accurately weigh silver nitrate solid 1.079g, be dissolved in the pure water of 500mL, preparation
Concentration is the silver nitrate solution of 2.158g/L.
(3) preparation of sodium hydroxide solution：Accurately weigh 2.00g sodium hydrate solid, be dissolved in 500mL pure water, system
Standby concentration is the sodium hydroxide solution of 4.0g/L.
(4) preparation of nano-silver hydrosol：Accurately weigh 10mL solution of chlorogenic acid to flask, add 10mL silver nitrate molten
Liquid, mixed solution sodium hydroxide solution adjusts pH=7, at the uniform velocity magnetic agitation 30min under the conditions of 40 DEG C, obtains Nano Silver dense
Spend the nano-silver hydrosol for 0.1g/L, described nano-silver hydrosol, through pure water cyclic washing, is centrifuged and dried process
After can obtain nano-Ag particles, described Nano Silver is prepared for reducing agent using the biomaterial bark of eucommia chlorogenic acid extracting from the bark of eucommia
The hydrosol, bark of eucommia chlorogenic acid environmental protection, environmentally safe.Nano Silver is observed using transmission electron microscope and laser particle analyzer
Grain, referring to Fig. 1 and Fig. 2, the transmission electron microscope picture of nano-Ag particles, from Fig. 1 and Fig. 2 it is observed that nano-Ag particles are in ball
Shape, soilless sticking phenomenon, described chlorogenic acid plays the effect of stabilizer during the course of the reaction simultaneously, therefore, need not be another in course of reaction
Add stabilizer, referring to Fig. 3, the grain size distribution of nano-Ag particles, from Fig. 3 it is observed that centralized particle diameter is in 18nm
At 60nm, particle diameter is little, improves the surface energy of nano-Ag particles.
Embodiment two
Deoxidization, degradation contains the waste water of REACTIVE Yellow 145 dyestuff and containing Direct Red 23 dye to reducing agent sodium borohydride aqueous solution respectively
The waste water of material, adds nano-silver hydrosol described in embodiment one as catalyst.
1. sample preparation
(5) preparation of waste water dyestuff：Accurately weigh REACTIVE Yellow 145 dyestuff 0.05g, be dissolved in 1L pure water, prepare concentration
REACTIVE Yellow 145 dye solution for 50mg/L.Direct Red 23 dye solution is prepared using same method.
(6) preparation of sodium borohydride aqueous solution：Accurately weigh 0.3783g sodium borohydride, be dissolved in 50mL water, prepare dense
Spend the sodium borohydride aqueous solution for 7.566g/L.
2. test
(7) accurately weigh described REACTIVE Yellow 145 dye solution 3mL, add described sodium borohydride aqueous solution and reality wherein
Apply the nano-silver hydrosol in example one, common 0.2mL, the volume ratio of described sodium borohydride aqueous solution and described nano-silver hydrosol is
1:1.
(8) accurately weigh described Direct Red 23 dye solution 3mL, add described sodium borohydride aqueous solution and enforcement wherein
Nano-silver hydrosol in example one, common 0.2mL, the volume ratio of described sodium borohydride aqueous solution and described nano-silver hydrosol is 1:
1.
(9) using ultraviolet-visible spectrophotometer record respectively REACTIVE Yellow 145 dye solution described in the differential responses stage and
The absorption spectrum of described Direct Red 23 dye solution, and it is depicted as absorption spectrum curve respectively, described REACTIVE Yellow 145 dye solution
Absorption spectrum curve see Fig. 5, the absorption spectrum curve of described Direct Red 23 dye solution is shown in Fig. 7.
Comparative example one
Reducing agent sodium borohydride aqueous solution deoxidization, degradation REACTIVE Yellow 145 waste water from dyestuff and Direct Red 23 waste water from dyestuff respectively.
1. sample preparation
(10) preparation of waste water from dyestuff：Accurately weigh REACTIVE Yellow 145 dyestuff 0.050g, be dissolved in 1L water, prepare concentration
REACTIVE Yellow 145 dye solution for 50mg/L.Direct Red 23 dye solution is prepared using same method.
(11) preparation of sodium borohydride aqueous solution：Accurately weigh 0.3783g sodium borohydride, be dissolved in 50mL water, preparation
Concentration is the sodium borohydride aqueous solution of 7.566g/L.
2. test
(12) accurately weigh described REACTIVE Yellow 145 dye solution 3mL, add the described sodium borohydride water of 0.1mL wherein
Solution and 0.1mL pure water are reacted.
(13) accurately weigh described Direct Red 23 dye solution 3mL, add the described sodium borohydride of 0.1mL water-soluble wherein
Liquid and 0.1mL pure water are reacted.
(14) record REACTIVE Yellow 145 dye solution described in the differential responses stage respectively using ultraviolet-visible spectrophotometer
With the absorption spectrum of described Direct Red 23 dye solution, and it is depicted as absorption spectrum curve respectively, described REACTIVE Yellow 145 dyestuff is molten
The absorption spectrum curve of liquid is shown in Fig. 4, and the absorption spectrum curve of described Direct Red 23 dye solution is shown in Fig. 6.
In the embodiment of the present invention two and comparative example one, according to REACTIVE Yellow 145 in absorption spectrum curve and Direct Red 23 dye
The palliating degradation degree to judge REACTIVE Yellow 145 dyestuff and Direct Red 23 dyestuff for the change of the characteristic absorption peak of material solution, in order to quantify
REACTIVE Yellow 145 dyestuff and the palliating degradation degree of Direct Red 23 dyestuff, respectively using REACTIVE Yellow 145 and Direct Red 23 dyestuff absorption maximum
Wavelength (the λ of REACTIVE Yellow 145 dyestuffmax=411nm, the λ of Direct Red 23 dyestuffmax=505nm) under the conditions of absorbance representing
Its relative concentration.
Refer to Fig. 4 and Fig. 5, described nano-silver hydrosol is to REACTIVE Yellow 145 described in sodium borohydride aqueous solution deoxidization, degradation
The research of the catalytic effect of dyestuff, refer to Fig. 4, and at λ=411nm, from top to bottom, first curve represents institute in figure curve
State the absorption spectrum curve of REACTIVE Yellow 145 dye solution, Article 2 curve starts, represent that described REACTIVE Yellow 145 dye solution adds
Enter the absorption spectrum curve of reacting space 0min, 3min, 6min, 9min, 12min and 50min after described sodium borohydride aqueous solution,
As shown in Figure 4, after adding described sodium borohydride aqueous solution, through the reaction of 12min, the absorbance of described REACTIVE Yellow 145 dyestuff
Drop to 0.561 from 0.584, have dropped 3.9%, with the increase in reaction time, the speed of reaction slows down, when reacted between be
50min, the absorbance of described REACTIVE Yellow 145 dyestuff drops to 0.558, compared with absorbance when reacting 12min, only have dropped
0.5%, hereafter reaction time continuation extends, and absorbance is basically unchanged, and reaction terminates substantially in 50min, therefore, adds described
After sodium borohydride aqueous solution, through the reaction of 50min, reaction terminates, and the absorbance of described REACTIVE Yellow 145 dyestuff is from 0.584
It is down to 0.558, have dropped 4.4%, that is, described REACTIVE Yellow 145 dyestuff palliating degradation degree is 4.4%, reducing agent sodium borohydride aqueous solution
Poor to the deoxidization, degradation effect of REACTIVE Yellow 145 dyestuff；Refer to Fig. 5, at λ=411nm, in Fig. 5 curve from top to bottom, first
Bar curve represents the absorption spectrum curve of described REACTIVE Yellow 145 dye solution, and Article 2 curve starts, and represents described active yellow
145 dye solutions add described sodium borohydride aqueous solutions and described nano-silver hydrosol after reacting space 0min, 3min,
The absorption spectrum of 6min, 9min, 12min, 15min, 18min, 21min, 24min, 27min, 30min, 40min and 50min is bent
Line, as shown in Figure 5, after adding described sodium borohydride aqueous solution and described nano-silver hydrosol, through the reaction of 30min, described
The absorbance of REACTIVE Yellow 145 dyestuff drops to 0.085 from 0.584, have dropped 85.4%, with the increase in reaction time, reacts
Speed slow down, when reacted between be 50min, the absorbance of described REACTIVE Yellow 145 dyestuff drops to 0.046, with reaction 12min
When absorbance compare, have dropped 6.7%, hereafter the reaction time continue to extend, absorbance is basically unchanged, and reaction is in 50min
Substantially terminate, therefore, when adding described sodium borohydride aqueous solution and described nano-silver hydrosol in described REACTIVE Yellow 145 dyestuff
Afterwards, the absorbance of described REACTIVE Yellow 145 dyestuff occurs significantly to decline, after the deoxidization, degradation of 50 minutes, described active yellow
The absorbance of 145 dyestuffs drops to 0.046 from 0.584, have dropped 92.1%, and the palliating degradation degree of dyestuff can reach 92.1%, plus
After entering described nano-silver hydrosol, the effect of described sodium borohydride aqueous solution deoxidization, degradation REACTIVE Yellow 145 dyestuff is good.
Refer to Fig. 6 and Fig. 7, described nano-silver hydrosol is urged to the sodium borohydride reduction described Direct Red 23 dyestuff of degraded
Change the research of effect, refer to Fig. 6, at λ=505nm, from top to bottom, first curve represents described directly red in figure curve
The absorption spectrum curve of 23 dye solutions, Article 2 curve starts, and represents that described Direct Red 23 dye solution adds sodium borohydride
The absorption spectrum curve of reacting space 0min, 3min, 6min, 9min, 12min, 15min, 18min and 50min after the aqueous solution, by
Fig. 6 understands, after adding sodium borohydride aqueous solution, through the reaction of 12min, the absorbance of described Direct Red 23 dyestuff is from 1.05
Be down to 1.014, have dropped 3.4%, with the increase in reaction time, the speed of reaction slows down, when reacted between be 50min, institute
The absorbance stating Direct Red 23 dyestuff drops to 1.006, compared with absorbance when reacting 12min, only have dropped 0.8%, this
Reaction time continues to extend afterwards, and absorbance is basically unchanged, and reaction terminates substantially in 50min, therefore, adds sodium borohydride water-soluble
After liquid, through the reaction of 50min, reaction completes, and the absorbance of described Direct Red 23 dyestuff drops to 1.006 from 1.05, declines
4.2%, that is, palliating degradation degree is 4.2%, and described sodium borohydride aqueous solution is poor to the deoxidization, degradation effect of Direct Red 23 dyestuff；Please
With reference to Fig. 7, at λ=505nm, from top to bottom, first curve represents the suction of described Direct Red 23 dye solution in figure curve
Receive the curve of spectrum, Article 2 curve starts, represent that described Direct Red 23 dye solution adds described sodium borohydride aqueous solution and institute
State reacting space 0min after nano-silver hydrosol, 3min, 6min, 9min, 12min, 15min, 18min, 21min, 24min,
The absorption spectrum curve of 27min, 30min, 40min and 50min, as shown in Figure 7, adds described sodium borohydride aqueous solution and described
After nano-silver hydrosol, through the reaction of 30min, the absorbance of described Direct Red 23 dyestuff drops to 0.459 from 1.05, declines
56.3%, with the increase in reaction time, when reacted between be 50min, the absorbance of described Direct Red 23 dyestuff drops to
0.041, compared with absorbance when reacting 12min, have dropped 39.8%, hereafter reaction time continuation extends, and absorbance is basic
Constant, reaction terminates in 50min to add described sodium borohydride water in described Direct Red 23 dyestuff that is to say, that working as substantially
After solution and described nano-silver hydrosol, the absorbance of described Direct Red 23 dyestuff occurs significantly to decline, going back through 50min
After former degraded, the absorbance of described Direct Red 23 dyestuff drops to 0.041 from 1.04, have dropped 96.1%, the degraded journey of dyestuff
Degree can reach 96.1%, after adding described nano-silver hydrosol, described sodium borohydride aqueous solution deoxidization, degradation Direct Red 23 dyestuff
Effect good.
In sum, using reducing agent sodium borohydride aqueous solution deoxidization, degradation Direct Red 23 dyestuff and REACTIVE Yellow 145 respectively
During dyestuff, add described nano-silver hydrosol as catalyst, improve the energy of reducing agent sodium borohydride aqueous solution deoxidization, degradation
Power.
Claims (9)
1. a kind of preparation method of nano-silver hydrosol is it is characterised in that comprise the steps：
Under continuous stirring, concentration being added concentration for 1.7～5.1g/L silver nitrate solution is to carry out in 5g/L solution of chlorogenic acid
Reaction, and the sodium hydroxide solution being 4.0g/L with concentration adjusts pH value to 6～9, prepared nano-silver hydrosol.
2. the preparation method of nano-silver hydrosol according to claim 1 is it is characterised in that described solution of chlorogenic acid and institute
The volume ratio stating silver nitrate solution is 1～10:1～10.
3. the preparation method of nano-silver hydrosol according to claim 1 is it is characterised in that described silver nitrate solution and institute
The reaction time stating solution of chlorogenic acid reaction is 30min～90min.
4. the preparation method of nano-silver hydrosol according to claim 1 is it is characterised in that described silver nitrate solution and institute
The reaction temperature stating solution of chlorogenic acid reaction is 20～95 DEG C.
5. a kind of processing method of waste water from dyestuff, step is as follows：
Reductant solution is added to be reacted it is characterised in that to be additionally added Claims 1 to 4 arbitrary described in waste water from dyestuff
Nano-silver hydrosol reacted, the volume ratio of described nano-silver hydrosol and described reductant solution is 1:0.5～2.
6. the processing method of waste water from dyestuff according to claim 5 is it is characterised in that described reductant solution is hydroboration
Sodium water solution, in described sodium borohydride aqueous solution, the concentration of sodium borohydride is 3.8～11.4g/L.
7. the processing method of waste water from dyestuff according to claim 5 is it is characterised in that in described nano-silver hydrosol, receive
The concentration of meter Yin is 0.05～0.2g/L.
8. the processing method of waste water from dyestuff according to claim 5 is it is characterised in that described reductant solution, described receive
The reaction time of the silver-colored hydrosol of rice and the reaction of described waste water from dyestuff is 3min～60min.
9. the processing method of waste water from dyestuff according to claim 5 is it is characterised in that described waste water from dyestuff includes activity
Yellow 145 dyestuffs and/or Direct Red 23 dyestuff.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882623.5A CN106392098A (en) | 2016-10-10 | 2016-10-10 | Preparation method of nanometer silver hydrosol and treatment method for dye wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610882623.5A CN106392098A (en) | 2016-10-10 | 2016-10-10 | Preparation method of nanometer silver hydrosol and treatment method for dye wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106392098A true CN106392098A (en) | 2017-02-15 |
Family
ID=59228964
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610882623.5A Pending CN106392098A (en) | 2016-10-10 | 2016-10-10 | Preparation method of nanometer silver hydrosol and treatment method for dye wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106392098A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026568A (en) * | 2019-04-25 | 2019-07-19 | 山东省医学科学院药物研究所（山东省抗衰老研究中心、山东省新技术制药研究所） | A kind of method that polyhydroxy natural products mediates synthesis to carry medicinal dendritic nanogold particle |
| CN110961657A (en) * | 2019-12-27 | 2020-04-07 | 海南医学院 | Gold nanoparticles and preparation method thereof |
| CN112126108A (en) * | 2020-08-15 | 2020-12-25 | 天津科技大学 | Preparation of high-strength and high-adsorption-property nano-cellulose aerogel material |
| CN114888299A (en) * | 2022-05-20 | 2022-08-12 | 苏州大学 | Preparation method and application of broccoli-shaped micro-nano silver |
| CN114985756A (en) * | 2022-05-20 | 2022-09-02 | 苏州大学 | Method for preparing silver nanowires at room temperature based on micromolecular phenolic acid |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005080030A2 (en) * | 2004-02-20 | 2005-09-01 | Maciej Pike-Biegunski | Colloid, method of obtaining colloid or its derivatives and applications thereof |
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| CN103302306A (en) * | 2013-06-19 | 2013-09-18 | 东南大学 | Method for reducing and preparing functionalized nano-silver based on polyphenol |
| CN103702730A (en) * | 2011-03-25 | 2014-04-02 | 印度理工学院 | Sustained silver release composition for water purification |
| CN104628073A (en) * | 2015-01-28 | 2015-05-20 | 天津城建大学 | Method for preparing nano-iron used in wastewater treatment |
| CN105800709A (en) * | 2016-05-24 | 2016-07-27 | 苏州经贸职业技术学院 | Treating agent and method for dye wastewater |
-
2016
- 2016-10-10 CN CN201610882623.5A patent/CN106392098A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005080030A2 (en) * | 2004-02-20 | 2005-09-01 | Maciej Pike-Biegunski | Colloid, method of obtaining colloid or its derivatives and applications thereof |
| CN102202815A (en) * | 2008-05-16 | 2011-09-28 | 维鲁泰克技术股份有限公司 | Green synthesis of nanometals using plant extracts and use thereof |
| CN103702730A (en) * | 2011-03-25 | 2014-04-02 | 印度理工学院 | Sustained silver release composition for water purification |
| CN103302306A (en) * | 2013-06-19 | 2013-09-18 | 东南大学 | Method for reducing and preparing functionalized nano-silver based on polyphenol |
| CN104628073A (en) * | 2015-01-28 | 2015-05-20 | 天津城建大学 | Method for preparing nano-iron used in wastewater treatment |
| CN105800709A (en) * | 2016-05-24 | 2016-07-27 | 苏州经贸职业技术学院 | Treating agent and method for dye wastewater |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026568A (en) * | 2019-04-25 | 2019-07-19 | 山东省医学科学院药物研究所（山东省抗衰老研究中心、山东省新技术制药研究所） | A kind of method that polyhydroxy natural products mediates synthesis to carry medicinal dendritic nanogold particle |
| CN110026568B (en) * | 2019-04-25 | 2021-12-24 | 山东省医学科学院药物研究所（山东省抗衰老研究中心、山东省新技术制药研究所） | Method for synthesizing medicinal dendritic nano gold particles by mediation of polyhydroxy natural products |
| CN110961657A (en) * | 2019-12-27 | 2020-04-07 | 海南医学院 | Gold nanoparticles and preparation method thereof |
| CN112126108A (en) * | 2020-08-15 | 2020-12-25 | 天津科技大学 | Preparation of high-strength and high-adsorption-property nano-cellulose aerogel material |
| CN114888299A (en) * | 2022-05-20 | 2022-08-12 | 苏州大学 | Preparation method and application of broccoli-shaped micro-nano silver |
| CN114985756A (en) * | 2022-05-20 | 2022-09-02 | 苏州大学 | Method for preparing silver nanowires at room temperature based on micromolecular phenolic acid |
| CN114985756B (en) * | 2022-05-20 | 2023-07-28 | 苏州大学 | Method for preparing silver nanowire based on small molecular phenolic acid at room temperature |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106392098A (en) | Preparation method of nanometer silver hydrosol and treatment method for dye wastewater | |
| CN105174414B (en) | A kind of FeS/Fe0Composite and its preparation method and application | |
| CN102671661B (en) | Multi-walled carbon nanotube-loaded nano ferroferric oxide catalyst and preparation method and application thereof | |
| CN108031433A (en) | A kind of preparation method of mesoporous calcium silicates load nano zero-valence iron composite material | |
| CN106000333B (en) | The preparation method of the material of Adsorption of Lead | |
| CN109181686B (en) | Cerium-doped carbon dot, preparation method thereof and application of cerium-doped carbon dot in catalytic hydrolysis of phosphate compounds | |
| CN104655615B (en) | The preparation method of biology sensor based on CuS nano-particle cation exchange enhanced chemiluminescences | |
| CN107159274A (en) | The preparation method and obtained photochemical catalyst of a kind of BiOCl photochemical catalysts and its application | |
| CN107008462A (en) | The preparation method of flower-shaped and spherical BiOCl photochemical catalysts and obtained photochemical catalyst and application | |
| CN109999890A (en) | A kind of ferro-cobalt bimetallic original position doping MCM-41 catalyst and its preparation method and application | |
| CN104525159A (en) | Preparation method of heavy metal ion adsorbent | |
| CN110280308A (en) | A kind of sodium tartrate Modified Cu ferro-cobalt houghite load carbon quantum dot nanocomposite and its preparation method and application | |
| CN104549263B (en) | A kind of Pd/ niobic acid nanometer sheet catalyst and its preparation method and application | |
| CN108671951B (en) | Carbon nitride composite photocatalyst and preparation method and application thereof | |
| Zhang et al. | A highly sensitive colorimetric sensor for Hg2+ detection based on the oxidative enzyme mimics-like activity of hierarchical porous carbon@ chitosan-modified silver nanoparticles | |
| CN110064407A (en) | Biological preparation method based on zinc-manganese ferrite loaded nano copper sulfide | |
| CN109529892A (en) | A kind of nano strip MOA composite photo-catalyst preparation method | |
| CN108722445B (en) | A kind of ultra-thin BiOX based solid solution photochemical catalyst and its preparation method and application | |
| CN106268881A (en) | A kind of square block Ag2moO4@Ag@AgBr ternary complex and its preparation method and application | |
| CN106955699B (en) | A kind of high-efficiency solar fixed nitrogen catalysis material and preparation method thereof | |
| CN109250801A (en) | A kind of processing method of phenolic waste water | |
| CN104741140B (en) | A kind of functional amido mesoporous silicon dioxide micro-sphere heterogeneous catalyst and preparation method and application | |
| CN105800709A (en) | Treating agent and method for dye wastewater | |
| CN108855151A (en) | A kind of preparation method and applications of ultra-thin bismuth oxyiodide photochemical catalyst | |
| CN105347382B (en) | A kind of preparation method of garland shape copper oxide nano material |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170215 |