CN107445281A - It is a kind of to be used to handle non-crystaline amorphous metal net of dyeing waste water and preparation method thereof - Google Patents
It is a kind of to be used to handle non-crystaline amorphous metal net of dyeing waste water and preparation method thereof Download PDFInfo
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- CN107445281A CN107445281A CN201710751848.1A CN201710751848A CN107445281A CN 107445281 A CN107445281 A CN 107445281A CN 201710751848 A CN201710751848 A CN 201710751848A CN 107445281 A CN107445281 A CN 107445281A
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- amorphous metal
- crystaline amorphous
- metal net
- waste water
- amorphous alloy
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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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C45/00—Amorphous alloys
- C22C45/02—Amorphous alloys with iron as the major constituent
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/30—Nature of the water, waste water, sewage or sludge to be treated from the textile industry
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Materials Engineering (AREA)
- Mechanical Engineering (AREA)
- Metallurgy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Materials (AREA)
Abstract
The present invention relates to a kind of non-crystaline amorphous metal net for treatment of dyeing wastewater and preparation method thereof, the preparation method includes：Amorphous alloy component of the selection with certain glass forming ability, toughness amorphous alloy wire is prepared using vacuum tumbling machine；Amorphous alloy wire is compiled into by net by weaving.The non-crystaline amorphous metal net has uniform network hole and higher specific surface area active, show excellent degradation of dye effluent performance, which overcoming traditional non-crystaline amorphous metal needs by filtration treatment in wastewater treatment process, is not easily recycled and is difficult to the applied defects such as secondary use, the cycle life and the rate of recovery of non-crystaline amorphous metal degraded are improved, shows preferably environmental protection and energy saving.Meanwhile by controlling amorphous alloy wire diameter and weaving to adjust fine groove mesh size, played a role in filtering while dyeing waste water is degraded, improve application potential of the amorphous alloy material on processing industrial wastewater.
Description
Technical field
The present invention relates to non-crystaline amorphous metal and its applied technical field, more particularly to a kind of amorphous for being used to handle dyeing waste water
Alloy net and preparation method thereof.
Background technology
Dyeing waste water as high concentration organic wastewater with its complicated component, colourity is deep, change of water quality is big, biodegradability is poor
The features such as turn into one of pollutant effluents difficult to deal with, substantial amounts of textile dyestuff by as dyeing waste water be directly discharged to earth's surface and
In underground water, do not degraded effectively, serious threat is caused to environment and human health, therefore develop effective degradable material
Or the organic dyestuff in method processing waste water turns into one of vital task of environmental improvement.At present, the treatment technology of dyeing waste water
Mainly include physisorphtion, biological degradation method and chemical oxidization method etc., various discoloration methods from economy, it is technical, to ring
Border influences and practicality considers there is the defects of certain, such as physisorphtion is more traditional physical process, and it divides dyestuff
From can not but degrade, the relatively low dyeing waste water of concentration is typically only applicable to.Biological degradation method is special poisonous commonly used to degrade
Azo dyes, the scope of application is narrower, and has particular requirement to the acid-base value of waste water.The degradation effect of chemical oxidization method is then main
Depending on the selection of catalysis material, and need to consume substantial amounts of chemical reagent.
Zero-valent Iron has important application as a kind of new catalyst in Industrial Wastewater Treatment, and it can be removed in waste water
Part hard-degraded substance, color degree of dyeing waste water is greatly lowered, improves dyeing waste water biodegradability.Zero-valence Iron Process is easy to operate,
Processing cost is low, applied widely, therefore receives much concern.But Zero-valence Iron Process ability in the range of certain pH when handling waste water
It can play a significant role, and degradation reaction is slow, the corrosion of reduced iron powder or iron filings in waste water, which consumes, in addition causes cost liter
Height, while the recovery of iron filings is also difficult, this all limits the extensive use of this method.Fe-based amorphous alloy is as a kind of new work(
It is research new direction in recent years that energy material, which is used for dyeing and printing sewage processing, and this is mostly derived from the unique atomic structure of non-crystaline amorphous metal and spy
Different physicochemical properties.One side non-crystaline amorphous metal is in metastable state, and constituent atoms hold it away from the position of poised state, its
Thermodynamically energy is higher than corresponding crystal alloy, shows very high chemism；On the other hand, non-crystaline amorphous metal nanometer chi
The uniform microstructure of degree and the features such as in the absence of crystal boundary, makes it possess excellent decay resistance.Therefore Fe-based amorphous alloy
The more excellent degradation efficiency of relative zeroth order crystalline state iron powder is shown, the excellent decolorizing printing and dyeing waste water ability that it shows is in work
Cheng Yingyong has very big potentiality.
At present Fe-B, Fe-Si-B and Fe-Si-B-P are concentrated mainly on about decolouring research of the non-crystaline amorphous metal to dyeing waste water
Deng degraded of the Fe-based amorphous alloy system to organic dyestuff, the material typically selected be fast quenching amorphous alloy ribbon or ball milling/
Non-crystaline amorphous metal powder is atomized, these materials all show the ability of very strong fast degrading organic dye, but they still deposit
In some defects and deficiency：For Fe-based amorphous alloy strip, its specific surface area is relatively small, while amorphous alloy ribbon exists
Degraded whipping process is easily wound, and is unfavorable for recovery and secondary use；For Fe-based amorphous alloy powder, although it compares surface
Product is big, and activity is high, and degradation capability is strong, but is not easily recycled after its degraded, and the powder of precipitation needs to operate by filtration treatment etc.,
This is also current iron-base amorphous alloy material processing dyeing waste water subject matter.Therefore it provides a kind of have high degradation efficiency, can
The novel amorphous alloy material of recycling has important actual application value for the process field of dyeing waste water.
The content of the invention
It is an object of the invention to overcome the shortcomings of current traditional Fe-based amorphous alloy material degradation performance, recovery utilization rate
A kind of low problem, there is provided non-crystaline amorphous metal net for treatment of dyeing wastewater and preparation method thereof.The non-crystaline amorphous metal fine groove
Net shows the degradation efficiency more excellent with respect to AMORPHOUS ALLOY RIBBONS or powder body material and returned during treatment of dyeing wastewater
Utilization rate is received, while can also be played a role in filtering during degraded.
Technical scheme is as follows：
A kind of non-crystaline amorphous metal net for treatment of dyeing wastewater, the non-crystaline amorphous metal net is formed by Fe-based amorphous alloy silk
It is made；The non-crystaline amorphous metal net can be used for the decolorization of dyeing waste water, and its fenestral porosity is in decolorizing printing and dyeing waste water processing
While can play a role in filtering.
Further, the specific composition of the non-crystaline amorphous metal is Fe-B, Fe-Si-B, Fe-Si-B-P and has high degradability
The Fe base noncrystal alloys of energy, wherein, the atomic percent of ferro element is 60 ~ 85%.
Further, the Fe-based amorphous alloy diameter is in 20 ~ 100 μ ms, length>20 cm, and have well
Bent toughness.
Further, the aperture of the net is by controlling amorphous alloy wire diameter and basketry to regulate and control, aperture
Scope is 5 ~ 150 μm.
Further, the non-crystaline amorphous metal net reclaims simply in treatment process of dyeing and printing, can repeatedly circulate
Utilize.
Further, the preparation method of a kind of non-crystaline amorphous metal net for treatment of dyeing wastewater, the preparation method
Mainly include the following steps that：1）Amorphous alloy component of the selection with certain glass forming ability, a method is got rid of using vacuum and prepared
Obtain amorphous alloy wire；2）Amorphous alloy wire is compiled into by non-crystaline amorphous metal net by weaving.
Further, the step 1）Employed in vacuum get rid of the design parameter of a method and be：Suction to 1 ~ 3 ×
10-3Pa, it is 0.04 ~ 0.07 MPa high-purity argon gas protective gas to be then charged with pressure；It is 1200 to adjust current control melting temperature
~1500 ℃；Copper roller surface linear velocity is 30 ~ 60 m/s；Melt cooling speed is 104~106 K/s。
Further, the step 2）Employed in basketry include plain weave method, twill weave method and reversely
Weave.
Beneficial effects of the present invention are as follows：
（1）The preparation method of non-crystaline amorphous metal net of the present invention is simple, easily operated, is adapted to large-scale production.
（2）Proposed by the present invention that amorphous alloy wire is woven into fine groove web frame, it has uniform network hole, aperture
Size is controllable.Relative to traditional Fe-based amorphous band, Fe-based amorphous alloy fine groove web frame of the invention has higher ratio
Surface area, degradation efficiency can lift more than 2 times.
（3）Non-crystaline amorphous metal net of the present invention can overcome tradition during the decolorization of dyeing waste water
AMORPHOUS ALLOY RIBBONS is easily wound when degrading and stirring, and is unfavorable for recovery and secondary use and non-crystaline amorphous metal powder body material
The defects of being not easily recycled after degradation, easily forming secondary pollution, need to carry out filter operation, shows higher environmental protection and section
Can property.
（4）Non-crystaline amorphous metal net of the present invention can play filtering while the decolorization of dyeing waste water and make
With can significantly extend engineer applied scope of the amorphous alloy material in treatment of dyeing wastewater field.
Brief description of the drawings
Fig. 1 is Fe80B20The X ray diffracting spectrum of B alloy wire；
Fig. 2 a are Fe80B20The optical photograph of amorphous alloy wire；Fig. 2 b are Fe80B20The scanning electron microscopy in amorphous alloy wire section
Mirror photo；
Fig. 3 is Fe80B20The optical photograph of non-crystaline amorphous metal net；
Fig. 4 a are Fe80B20Non-crystaline amorphous metal net handles the suction of solution after the directly blue 15 aqueous dye solutions different times of 0.2 g/L
Luminosity curve；Fig. 4 b are Fe80B20Non-crystaline amorphous metal net handles the directly blue 15 aqueous dye solutions different times samplings of 0.2 g/L
Optical photograph；
Fig. 5 is Fe80B20Non-crystaline amorphous metal net repeatedly circulates the degradation efficiency of directly blue 15 aqueous dye solutions of 0.2 g/L of degraded
Change；
Fig. 6 is Fe80B20The optical photograph of amorphous alloy ribbon；
Fig. 7 is Fe80B20The drop of non-crystaline amorphous metal net and directly blue 15 aqueous dye solutions of the g/L of amorphous alloy thin tape handling 0.2
Solve efficiency comparative.
Specific embodiment
With reference to the accompanying drawings and examples, technical scheme is described in further detail.
Embodiment 1：
With Fe80B20As presoma alloy nominal composition, required element is subjected to weighing proportioning, using high-purity argon atmosphere vacuum
Arc melting method melting obtains Fe80B20Alloy pig.
An equipment is got rid of using vacuum, by Fe80B20Alloy pig utilizes intermediate frequency power supply sensing heating refuse, is melting
Cheng Zhong, suction to 1 ~ 3 × 10-3Pa, and charged pressure is 0.04 ~ 0.07 MPa high-purity argon gas protective gas.Adjust electric current
It is 1200 ~ 1500 DEG C to control melting temperature, after alloy pig fusing, molten metal liquid is slowly risen and is brought into contact with
The water-cooled copper roller tip of rotation at a high speed, copper roller surface linear velocity is 30 ~ 60 m/s, and metal liquid is rapidly thrown away and fast quickly cooling
But, cooling velocity 104~106K/s, Fe is prepared80B20B alloy wire.
As shown in Fig. 1 X-ray diffraction result, the Fe that is prepared80B20B alloy wire shows typical non-crystaline amorphous metal and overflow
Scattering peak, there is amorphous structure.
Fig. 2 a show the Fe being prepared80B20The optical photograph of amorphous alloy wire, it is prepared into it is observed that getting rid of a method
The amorphous alloy wire arrived is continuous and has preferable bent toughness.Fig. 2 b scanning electron microscope diagram piece shows the Fe80B20It is non-
The diameter of peritectic alloy silk is at 60 μm or so.
Obtaining Fe80B20After amorphous alloy wire, fine groove web frame is compiled into using weaving, is prepared
Fe80B20Non-crystaline amorphous metal net, as shown in Figure 3.
Embodiment 2：
Using the Fe being prepared in embodiment 180B20Non-crystaline amorphous metal net is carried out to 0.2 g/L direct blue 15 aqueous solution
Decolorization experiment.Experiment is using the method for oxidative degradation, the mg of clip 30 Fe80B20Non-crystaline amorphous metal net, is put into and fills 150
In beaker of the mL concentration for 0.2 g/L direct blue 15 aqueous dye solutions, and then add 0.02 mol/L H2O2Solution.Will
Beaker is placed in constant temperature water bath, 25 DEG C of keeping temperature, and is stirred with magnetic stirrer with 200 rpm rotating speed, reaction
About 3 ml solution are taken to carry out after 2.5 min, 5min, 7.5 min, 10 min, 15min, 20 min, 30 min and 40 min respectively
The absorbance test of visible region.
Fig. 4 a show Fe80B20After non-crystaline amorphous metal net handles the directly blue 15 aqueous dye solutions different times of 0.2 g/L
The absorbance curve change of solution, as seen from the figure, with the continuous progress of degraded, the intensity of direct blue solution absorption peak constantly becomes
Small, this shows that the concentration of directly indigo plant 15 in dye solution is less and less.When Fig. 4 b degrade different for directly blue 15 aqueous dye solutions
Between color contrast, a, b, c, d, e, f, bleaching time corresponding to g, h and i is respectively 0min, 2.5 min, 5min, 7.5
Min, 10 min, 15min, 20 min, 30 min and 40 min.From visually can visually see, the Fe80B20Non-crystaline amorphous metal
Net has obvious quick decolorizing effect for direct blue 15 aqueous dye solutions, after degraded, the face of direct blue dyestuff
Color almost takes off completely.
Fig. 5 show Fe80B20Non-crystaline amorphous metal net repeatedly handles the degraded of directly blue 15 aqueous dye solutions of 0.2 g/L
The change curve of efficiency, as a result shows, during multiple decolorization, the Fe80B20Non-crystaline amorphous metal net, which needs not move through, appoints
Where reason can just be reused and degradation efficiency is not decayed significantly.
Comparative example 1：
Carrying device is got rid of using vacuum, by the Fe of melting in embodiment 180B20Alloy pig is melted again using intermediate frequency power supply sensing heating
Change, be continuously quickly ejected into water cooling rotary copper roller, be prepared under the high-purity argon gas effect that pressure is 0.2 MPa or so
Fe80B20AMORPHOUS ALLOY RIBBONS.
Fig. 6 show vacuum quick quenching get rid of band method Fe is prepared80B20AMORPHOUS ALLOY RIBBONS, the thickness of the AMORPHOUS ALLOY RIBBONS
About 50 μm of degree, width is about 2 ~ 3 mm, has good bent toughness.
Using Fe80B20AMORPHOUS ALLOY RIBBONS carries out decolorization to directly blue 15 aqueous dye solutions of 0.2 g/L, weighs 30
Mg Fe80B20AMORPHOUS ALLOY RIBBONS, it is put into the beaker for filling direct blue 15 aqueous dye solutions that 150 mL concentration are 0.2 g/L
In, and then add 0.02 mol/L H2O2Solution.Beaker is placed in constant temperature water bath, 25 DEG C of keeping temperature, and uses electromagnetism
Agitator is stirred with 200 rpm rotating speed, and the differential responses time takes the absorbance of 3 ml solution progress visible region respectively
Test.
Fig. 6 show Fe80B20Non-crystaline amorphous metal net and strip handle the drop of directly blue 15 aqueous dye solutions of 0.2 g/L
The correlation curve of efficiency is solved, is as a result shown, under identical quality requirements, Fe80B20Non-crystaline amorphous metal net has to be closed than common amorphous
The higher decolorization rate of gold bar band, degradation efficiency lift more than 2.4 times.
Claims (8)
1. a kind of be used to handle the non-crystaline amorphous metal net of dyeing waste water, it is characterised in that form the non-crystaline amorphous metal net by
Fe-based amorphous alloy silk is made；The non-crystaline amorphous metal net can be used for the decolorization of dyeing waste water, and its fenestral porosity is printing
It can be played a role in filtering while dye waste water decoloring processing.
2. non-crystaline amorphous metal net according to claim 1, it is characterised in that the specific composition of the non-crystaline amorphous metal is
Fe-B, Fe-Si-B, Fe-Si-B-P and the Fe base noncrystal alloys with high degradability energy, wherein, the atomic percent of ferro element
60 ~ 85%.
3. non-crystaline amorphous metal net according to claim 1, it is characterised in that the Fe-based amorphous alloy silk diameter is 20
~ 100 μ ms, length>20 cm, and there is good bent toughness.
4. non-crystaline amorphous metal net according to claim 1, it is characterised in that the aperture of the net is non-by controlling
Peritectic alloy silk diameter and basketry regulate and control, and pore diameter range is 5 ~ 150 μm.
5. non-crystaline amorphous metal net according to claim 1, it is characterised in that the non-crystaline amorphous metal net prints in processing
Recovery is simple during contaminating waste water, being capable of recycled for multiple times.
A kind of 6. preparation method of non-crystaline amorphous metal net for treatment of dyeing wastewater, based on one of the claims 1-5
Described non-crystaline amorphous metal net, it is characterised in that the preparation method mainly includes the following steps that：1）Selection has certain glass
The amorphous alloy component of glass Forming ability, a method is got rid of using vacuum amorphous alloy wire is prepared；2）Will be non-by weaving
Peritectic alloy silk is compiled into non-crystaline amorphous metal net.
7. preparation method according to claim 6, it is characterised in that the step 1）Employed in vacuum get rid of a method
Design parameter is：Suction is to 1 ~ 3 × 10-3Pa, it is 0.04 ~ 0.07 MPa high-purity argon gas protective gas to be then charged with pressure；
It is 1200 ~ 1500 DEG C to adjust current control melting temperature；Copper roller surface linear velocity is 30 ~ 60 m/s；Melt cooling speed is
104~106 K/s。
8. preparation method according to claim 6, it is characterised in that the step 2）Employed in basketry include
Plain weave method, twill weave method and reverse weave.
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Cited By (5)
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| CN110902801A (en) * | 2019-12-11 | 2020-03-24 | 深圳大学 | Carbon fiber net, preparation and recovery method and application thereof in sewage treatment |
| CN110917899A (en) * | 2018-09-19 | 2020-03-27 | 朱瑾 | Filter assembly and method of making same |
| CN110918911A (en) * | 2019-11-19 | 2020-03-27 | 华南理工大学 | Iron-based series amorphous alloy strip, preparation method thereof and application thereof in degradation of azo dye wastewater |
| CN111020411A (en) * | 2019-12-11 | 2020-04-17 | 深圳大学 | Amorphous alloy net, preparation method thereof and application thereof in sewage treatment |
| CN111057969A (en) * | 2020-01-16 | 2020-04-24 | 郑州大学 | FeCoNi-based amorphous alloy and application thereof |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110917899A (en) * | 2018-09-19 | 2020-03-27 | 朱瑾 | Filter assembly and method of making same |
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| CN111020411A (en) * | 2019-12-11 | 2020-04-17 | 深圳大学 | Amorphous alloy net, preparation method thereof and application thereof in sewage treatment |
| CN110902801B (en) * | 2019-12-11 | 2022-04-19 | 深圳大学 | Carbon fiber net, preparation and recovery method and application thereof in sewage treatment |
| CN111057969A (en) * | 2020-01-16 | 2020-04-24 | 郑州大学 | FeCoNi-based amorphous alloy and application thereof |
| CN111057969B (en) * | 2020-01-16 | 2022-02-11 | 郑州大学 | FeCoNi-based amorphous alloy and application thereof |
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Application publication date: 20171208 |