CN107555527A - A kind of waste water from dyestuff removes phenol decoloration device and method - Google Patents
A kind of waste water from dyestuff removes phenol decoloration device and method Download PDFInfo
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- CN107555527A CN107555527A CN201710974792.6A CN201710974792A CN107555527A CN 107555527 A CN107555527 A CN 107555527A CN 201710974792 A CN201710974792 A CN 201710974792A CN 107555527 A CN107555527 A CN 107555527A
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- waste water
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- dyestuff
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- houghite
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Abstract
The invention discloses a kind of waste water from dyestuff to remove phenol decoloration device and method, belongs to fuel sewage treatment equipment technical field.Including plastic tube and waste water from dyestuff case, the delivery port of waste water from dyestuff case is connected by outlet pipeline with the water inlet of plastic tube, and the first ball valve is provided with the outlet pipeline；The delivery port of plastic tube is connected by inlet pipeline with the water inlet of waste water from dyestuff case, and the second ball valve is provided with the inlet pipeline；Also include the electron accelerator for being arranged on the LED illumination unit of plastic tube periphery and being arranged on below plastic tube；Plastic tube is made up of transparent material, if being filled with dried layer houghite filter in plastic tube.The present apparatus removes phenol and decolorization by what adsorption process, photocatalytic degradation and catalyst regeneration process reached waste water from dyestuff, take full advantage of the absorption property and Photocatalytic Degradation Property of houghite, waste water is recycled to until reaching discharge standard, it is reasonable in design, it is simple to operate, decolourize, except phenol is carried out simultaneously, treatment effeciency is high.
Description
Technical field
The invention belongs to fuel sewage treatment equipment technical field, is related to a kind of waste water from dyestuff and removes phenol decoloration device and side
Method.
Background technology
With the fast development of dyeing, the discharge capacity of waste water from dyestuff increases year by year, and serious pollution is brought to water body.
Waste water from dyestuff contains a variety of dyestuffs, dyestuff intermediate, slurry and auxiliary agent, has the spies such as colourity depth, difficult degradation, biodegradability difference
Point, is acknowledged as that harmfulness is strong, one of the extremely difficult industrial wastewater effectively handled.China is as textile printing and dyeing big country, dyestuff life
Yield reaches 150,000 t/, wherein there are about 10%~20% dyestuff as processing waste water is discharged into environment water, causes water
Body is seriously contaminated, and ecological environment is seriously destroyed, and has directly threatened health and the sustainable development of the mankind.
At present, there is the pollution problem that a variety of technical methods are used for administering waste water from dyestuff, such as Physical, chemical method, biology
Method etc. can obtain certain effect in the processing of waste water from dyestuff；For another example embrane method with its relatively low, technique of power consumption it is relatively simple, to ring
Border does not add the features such as pollution, has certain advantage on solving waste water from dyestuff pollution yet；Meanwhile ultrasound is utilized in recent years
Contaminated water body is administered in the acoustic cavitation effect of ripple, triggers the degraded of water pollutant by caused free radical, also can be effective
Ground solves water pollution problem.But these methods all have more or less limitation again in actual motion, for example handle
Secondary pollution with high costs, result is undesirable, the control of processing routine complicated difficult or association are serious etc..
So urgently developing advanced and effective dye wastewater treatment equipment at present, to ensure have in wastewater treatment
The principles such as spatter property, high efficiency, applicability and economy.
The content of the invention
The defects of in order to overcome above-mentioned prior art to exist, it is an object of the invention to provide a kind of waste water from dyestuff except phenol takes off
Color device and method, the apparatus structure is reasonable in design, easy to use, simple and easy to control；This method is simple to operate, environment-friendly, gives up
Water treatment efficiency is high.
The present invention is to be achieved through the following technical solutions：
A kind of waste water from dyestuff disclosed by the invention removes phenol decoloration device, including plastic tube and waste water from dyestuff case, waste water from dyestuff
The delivery port of case is connected by outlet pipeline with the water inlet of plastic tube, and the first ball valve and first are provided with the outlet pipeline
Centrifugal pump；The delivery port of plastic tube is connected by inlet pipeline with the water inlet of waste water from dyestuff case, is set on the inlet pipeline
There are the second ball valve and the second centrifugal pump；
Also include the electron accelerator for being arranged on the LED illumination unit of plastic tube periphery and being arranged on below plastic tube；
Plastic tube is made up of transparent material, if dried layer iron-based houghite filter is filled with plastic tube, in the water outlet of plastic tube
Mouth side is additionally provided with sampling analysis mouth.
Preferably, the LED illumination unit is LED illumination circuit, by the switch, power supply and several LED being connected in series
Lamp forms.
Preferably, in addition to plastic tube the heater electrically connected, it is also associated with heater being used to adjust plastic tube temperature
The temperature controller of degree.
Preferably, flowmeter is additionally provided with outlet pipeline.
Preferably, the irradiation dose scope of electron accelerator is 5~10kGy.
The invention also discloses the dye waste water treatment method based on said apparatus, comprise the following steps：
1) pending waste water from dyestuff is placed in waste water from dyestuff case, plastic tube is placed under dark room conditions, open first
Ball valve and the first centrifugal pump, waste water from dyestuff is entered in plastic tube by waste water from dyestuff case through outlet pipeline to be carried out except phenol, decolorization；
2) after a period of time to be adsorbed, sampling progress phenol and colorimetric detection from sampling analysis mouth, at interval of 15~20min
Sampling detection once, when the front and rear difference of data twice is less than 10%, is changed at interval of 5~10min samplings detection once, before treating
When data difference is less than 5% twice afterwards, it is changed at interval of 2min samplings detection once, when data twice are differed less than 1%, inhales
Attached completion；
3) the second ball valve and the second centrifugal pump are opened, the first ball valve and the first centrifugal pump are closed, by the fuel in plastic tube
Waste water is fully transferred in fuel waste water tank, closes the second ball valve and the second centrifugal pump, opens LED illumination unit and plastic tube is entered
Row photocatalytic degradation reacts, until the filter cake lighter of the iron-based houghite filter in plastic tube is to recovering original face
Color, terminate reaction, close LED illumination unit；
4) start electron accelerator and 20~30min is irradiated to plastic tube, terminate irradiation；
5) repeat step 1)~step 4) is until phenol content and colourity reach discharge standard in pending waste water from dyestuff.
Preferably, the invention also discloses the preparation method of iron-based houghite filter used, comprise the following steps：
(1) FeCl is taken3·6H2O and NiCl2·6H2O, it is dissolved in ultra-pure water, reaction under high pressure is transferred to after stirring
In kettle；
(2) C is taken6H5Na3O7·H2O and 5.8g CO (NH2)2, add autoclave in, stir to solution it is uniform after, it is close
Autoclave is sealed, 140~145 DEG C, 60h is handled, is subsequently cooled to room temperature, gained is precipitated into priority deionized water and anhydrous
Ethanol filters after respectively washing 3 times, after room temperature to drying, obtains iron-based houghite；
(3) iron-based houghite is ground, gained powder is with polyvinyl alcohol according to mass ratio 1:5 mixing, obtain mixed liquor；
(4) some and the sizable sponge of plastics bore are taken, sponge is soaked in mixed liquor, saturation to be adsorbed
After take out sponge, in 45~55 DEG C of drying, then immersion, drying and processing 5 times repeatedly；By the sponge of last time drying in 650
It is calcined 1 hour, cools down at DEG C, the iron-based houghite filter of round pie is made.
Preferably, in step (1), by 1:The mass ratio of (3.5~4), takes FeCl3·6H2O and NiCl2·6H2O；Step
(2) in, by 0.2：The mass ratio of (5~6), takes C6H5Na3O7·H2O and 5.8g CO (NH2)2, and C6H5Na3O7·H2O with
FeCl3·6H2O mass ratio is 1:10.
Compared with prior art, the present invention has technique effect beneficial below：
Waste water from dyestuff disclosed by the invention removes phenol decoloration device, if placing the filtering of dried layer houghite in inside of plastic tubes
Device, phenol and dyestuff in waste water from dyestuff can be adsorbed by suction-operated, effectively reduces the phenol content in waste water, while to dyestuff
Waste water has significant decolorization.After finding adsorption saturation by monitoring during use, it can open and be arranged on plastic tube periphery
LED illumination unit, under light illumination, houghite filter can carry out photocatalytic Degradation to the phenol of absorption with dyestuff, can
Start to monitor whether photocatalytic degradation reaction is completed by observing filter filter cake color, when to be done and be arranged under plastic tube
The electron accelerator of side carries out radiation treatment to it, and under the effect of irradiation of electron beam, adhesion is small in houghite filter
Molecular degradation product is oxidized under the effect such as hydroxyl radical free radical, and houghite filter is regenerated.Waste water from dyestuff removes phenol
Progress can be circulated again with decolorization, and waste water phenol content reaches formulation discharge standard with colourity.At the waste water from dyestuff of the present invention
Reason device can not only realize the effective except phenol is with decolourizing and easy to operate of waste water from dyestuff, and key parameter is adjustable, and core
Core material houghite filter is renewable, recycles, and greatly reduces cost for wastewater treatment.
Further, LED illumination unit is LED illumination circuit, by the switch, power supply and several LEDs being connected in series
Composition.Some LEDs are distributed in the upper and lower ends of plastic tube, and position can adjust, and LED can be suitably moved in course of reaction
Lamp, ensure as far as possible uniform to plastic tube irradiation.If conditions permit, LED irradiation can also be replaced with natural light.
Further, in addition to plastic tube the heater electrically connected, it is also associated with heater being used to adjust plastic tube
The temperature controller of temperature, it can be reached by adjusting the efficiency of temperature control suction-operated to waste water except phenol and decolouring purpose.
Further, flowmeter is additionally provided with outlet pipeline, so as to effectively control the feed rate of waste water from dyestuff, so as to
Uninterrupted is adjusted by controlling the aperture of the first ball valve.
The processing method of waste water from dyestuff disclosed by the invention, can not only realize waste water from dyestuff effectively removes phenol with decolourizing,
And it is easy to operate, key parameter is adjustable, and core material houghite filter is renewable, recycles, and drops significantly
Low cost for wastewater treatment.This method is green, easy to operate, cost is low, efficiency high.
Brief description of the drawings
Fig. 1 is the dye wastewater treatment device structural representation of the present invention.
Wherein：1 is waste water from dyestuff case；2 be plastic tube；3 be electron accelerator；4 be LED；5 be switch；6 be power supply；7
For sampling analysis mouth；8 be the second ball valve；9 be the first ball valve；10 be the first centrifugal pump；11 be the second centrifugal pump；12 be flow
Meter；13 be temperature controller；14 be heater.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings：
Referring to Fig. 1, a kind of waste water from dyestuff disclosed by the invention removes phenol decoloration device, it is characterised in that including the He of plastic tube 1
Waste water from dyestuff case 2, the delivery port of waste water from dyestuff case 2 is connected by outlet pipeline with the water inlet of plastic tube 1, in the outlet pipe
Road is provided with the first ball valve 9 and the first centrifugal pump 10；The delivery port of plastic tube 1 is entered by inlet pipeline and waste water from dyestuff case 2
The mouth of a river is connected, and the second ball valve 8 and the second centrifugal pump 11 are provided with the inlet pipeline；
Also include the electron accelerator for being arranged on the LED illumination unit of the periphery of plastic tube 1 and being arranged on the lower section of plastic tube 1
3；Plastic tube 1 is made up of transparent material, if being filled with dried layer houghite filter in plastic tube 1.In the water outlet of plastic tube 2
Mouth side is provided with sampling analysis mouth 7.
Preferably, the LED illumination unit is LED illumination circuit, by be connected in series switch 5, power supply 6 and several
LED 4 forms.
Preferably, in addition to plastic tube the heater 14 electrically connected, it is also associated with heater 14 being used to adjust plastics
The temperature controller 13 of the temperature of pipe 1.
Preferably, flowmeter 12 is additionally provided with outlet pipeline.
Preferably, the irradiation dose scope of electron accelerator 3 is 5~10kGy.
Dye waste water treatment method disclosed by the invention, comprises the following steps：
1) waste water from dyestuff is stored in waste water from dyestuff case 2, keeps plastic tube 1 to be placed under dark room conditions first, then beat
The first ball valve 9 is opened, starts the first centrifugal pump 10, waste water from dyestuff enters plastic tube 1, now starts removing phenol, decolourizing for waste water from dyestuff
Processing, feed rate are measured by flowmeter 12, and uninterrupted opens the He of heater 14 by changing the aperture regulation of the first ball valve 9
Temperature controller 13, optimal adsorption temperature is set, temperature control is carried out to plastic tube；
2) after progress a period of time to be adsorbed, sampled in sampling analysis mouth 7 and carry out phenol and colorimetric detection, every 15~
20min is detected once, when the front and rear difference of data twice is less than 10%, is changed to every 5~10min detections once, is treated front and rear two
When secondary data difference is less than 5%, it is changed to every 2min detections once, when data twice are differed less than 1%, absorption is completed；
3) and then open the second ball valve 8, start the second centrifugal pump 11, close the first ball valve 9 and the first centrifugal pump 10, will mould
Waste water in expects pipe 1 all moves on to waste water from dyestuff case 2, closes the second ball valve 8 and the second centrifugal pump 11, adjusts temperature controller 13
Control system to suitable photocatalysis temperature, closure switch 5, all LEDs 4 enter illumination condition, and starting light in plastic tube 1 urges
Change degradation reaction, in course of reaction can appropriate movable LED lamp 4, ensure to irradiate plastic tube 1 uniformly as far as possible, treat the change of filter cake color
It is shallow to terminate to recovery primitive color, photocatalytic degradation reaction, disconnect switch 5；
4) electron accelerator 3 is started, irradiation dose carries out 360 ° of uniform irradiations, irradiation 20 to plastic tube 1 in 5~10kGy
After~30min regenerates to houghite, terminate electron beam irradiation；
5) above-mentioned whole process is repeated, until waste water from dyestuff phenol reaches formulation discharge standard with colourity.
Iron-based houghite filter used in the present invention takes self-control, and method comprises the following steps：
(1) FeCl is weighed respectively3·6H2O and NiCl2·6H2O is according to mass ratio 1:(3.5~4) common 10g is dissolved in 1L and surpassed
In pure water, it is transferred to after stirring in 1.5L autoclaves；
(2) 0.2g C are weighed and then6H5Na3O7·H2O and 5.8g CO (NH2)2It is added in autoclave and stirs
30min, after solution is uniform, autoclave is sealed, 140~145 DEG C of processing 60h are cooled to room temperature, and gained precipitation is successively used
Deionized water and absolute ethyl alcohol are filtered after respectively washing 3 times, and iron-based houghite is both obtained after room temperature to drying；
(3) and then by houghite grind, gained powder is with polyvinyl alcohol according to mass ratio 1:5 mixing, obtain mixed liquor；
(4) take the internal diameter size sponge of plastic tube 1 some, sponge is soaked in mixed liquor, sea is taken out after saturation to be adsorbed
Silk floss, in 45~55 DEG C of drying, then it is soaked in again in mixed liquor, saturation is dried after at same temperature, 5 times repeatedly；Finally will
Dry sponge to be calcined 1 hour in 650 DEG C, cooling, produce round pie iron-based houghite filter.
The main course of work of the present invention and principle are as follows：
The invention mainly comprises adsorption process, Photocatalytic Degradation Process and catalyst regeneration process.
Waste water from dyestuff is stored in waste water from dyestuff case 2, processing procedure comprises the following steps：
The first step, adsorption process：Keep plastic tube 1 to be placed under dark room conditions first, then open the first ball valve 9, start
First centrifugal pump 10, waste water from dyestuff enter plastic tube 1, and now start waste water from dyestuff removes phenol, decolorization, and feed rate is by flowing
Gauge 12 measures, and uninterrupted is opened heater 14 and temperature controller 13, set by changing the aperture regulation of the first ball valve 9
Optimal adsorption temperature, temperature control is carried out to plastic tube.After progress a period of time to be adsorbed, sample and carry out in sampling analysis mouth 7
Phenol and colorimetric detection, every 15~20min detections once, when the front and rear difference of data twice is less than 10%, be changed to every 5~
10min is detected once, when the front and rear difference of data twice is less than 5%, is changed to every 2min detections once, is treated data difference twice
During less than 1%, absorption is completed.
Second step, Photocatalytic Degradation Process：Open the second ball valve 8, start the second centrifugal pump 11, close the first ball valve 9 with
First centrifugal pump 10, the waste water in plastic tube is all moved on into water tank 2, close the second ball valve 8 and the second centrifugal pump 11, regulation temperature
Control system to suitable photocatalysis temperature, closure switch 5, all LEDs 4 are spent to enter illumination condition, start light in plastic tube 1
Catalytic degradation reaction, in course of reaction can appropriate movable LED lamp, ensure to irradiate plastic tube 1 uniformly as far as possible, treat that filter cake color becomes
It is shallow to terminate to recovery primitive color, photocatalytic degradation reaction, disconnect switch 5.
3rd step, catalyst regeneration process：Start electron accelerator 3, irradiation dose enters to plastic tube 1 in 5~10kGy
360 ° of uniform irradiations of row, after 20~30min of irradiation to houghite regenerates, terminate electron beam irradiation.Above-mentioned whole process is repeated,
Until waste water from dyestuff phenol reaches formulation discharge standard with colourity.
The present invention is as follows using the action principle of iron-based houghite filter：
Iron-based series hydrotalcite-like materials, laminate contain Fe (OH)6It is octahedra.Conduction band and valence band have laminate metal first respectively
The 2p tracks contribution of the d tracks and oxygen element of element, electronics is mainly in the two transition between the energy levels.Thus wavelength is less than 560nm's
Light can be by the electron excitation in material valence band to conduction band, and iron-based hydrotalcite-like materials can be with compared to other serial hydrotalcite materials
The utilization ratio to sunshine is greatly improved, and there is obvious visible light activity.Iron-based houghite has preferably absorption
Performance and relatively low energy gap, can fully degraded phenols and coloring matter under visible light conditions.
After photocatalytic degradation, Partial digestion product is adhered on hydrotalcite-like materials, causes the corresponding of hydrotalcite-like materials
Performance reduces, and this is to carry out electron beam irradiation processing to it, under electron beam irradiation effect, produces substantial amounts of hydroxyl radical free radical etc.
Strong oxdiative material, these materials can remove the oxidation of impurities in hydrotalcite-like materials, while effect of irradiation can also be to class neatly
The structure of stone is further optimized, and strengthens its absorption property, catalytic performance.
Applying electronic accelerator irradiation of the present invention carries out regeneration treatment to iron-based houghite catalyst, mainly with electronics
Beam irradiation can produce the materials such as substantial amounts of strong oxidizing property hydroxyl radical free radical, and these active materials can be with iron-based houghite catalyst
Following reaction occurs for the impurity substances (M) of middle adhesion：
M+·OH→·M+H2O (1)
M+·H→·M+H2 (2)
·M→M1+M2 (3)
Most impurity substances are removed at last, and catalyst is regenerated.
The present invention has advantages below：
1st, the present invention reaches waste water from dyestuff by three processes (adsorption process, photocatalytic degradation, catalyst regeneration process)
The absorption property and Photocatalytic Degradation Property that remove phenol and decolorization, take full advantage of houghite, waste water is recycled to
Until reaching discharge standard, each unit arrangement is compact, and the reaction time is short, decolourizes, except phenol is carried out simultaneously, treatment effeciency is high.
2nd, except phenol, decolorization do not add any other (iron removaling base class hydrotalcite) chemical agent, without the separation of complexity
Program, additional contamination will not be produced to environment；Core parts (houghite filter) are repeatable to be utilized, and processing cost significantly drops
It is low, it is simple to operate, this method ensure that the spatter property of dye wastewater treatment, high efficiency, applicability and economy, actively
The corresponding call of national energy-saving emission reduction in ground.
Claims (8)
1. a kind of waste water from dyestuff removes phenol decoloration device, it is characterised in that including plastic tube (1) and waste water from dyestuff case (2), dyestuff gives up
The delivery port of water tank (2) is connected by outlet pipeline with the water inlet of plastic tube (1), and the first ball is provided with the outlet pipeline
Valve (9) and the first centrifugal pump (10)；The water inlet phase that the delivery port of plastic tube (1) passes through inlet pipeline and waste water from dyestuff case (2)
Connection, is provided with the second ball valve (8) and the second centrifugal pump (11) on the inlet pipeline；
Also include the electron accelerator for being arranged on the LED illumination unit of plastic tube (1) periphery and being arranged on below plastic tube (1)
(3)；Plastic tube (1) is made up of transparent material, in plastic tube (1) if in be filled with dried layer iron-based houghite filter, moulding
The delivery port side of expects pipe (1) is additionally provided with sampling analysis mouth (7).
2. waste water from dyestuff according to claim 1 removes phenol decoloration device, it is characterised in that the LED illumination unit is LED
Lighting circuit, it is made up of the switch (5), power supply (6) and several LEDs (4) that are connected in series.
3. the waste water from dyestuff according to right wants 1 removes phenol decoloration device, it is characterised in that also includes being electrically connected with plastic tube (2)
The heater (14) connect, it is also associated with heater (14) being used for the temperature controller (13) for adjusting plastic tube (1) temperature.
4. the waste water from dyestuff according to right wants 1 removes phenol decoloration device, it is characterised in that flow is additionally provided with outlet pipeline
Count (12).
5. waste water from dyestuff according to claim 1 removes phenol decoloration device, it is characterised in that the irradiation of electron accelerator (3)
Dosage range is 5~10kGy.
6. the method that waste water from dyestuff is handled except phenol decoloration device using the waste water from dyestuff described in any one in Claims 1 to 5,
It is characterised in that it includes following steps：
1) pending waste water from dyestuff is placed in waste water from dyestuff case (2), plastic tube (1) is placed under dark room conditions, open the
One ball valve (9) and the first centrifugal pump (10), waste water from dyestuff are entered in plastic tube (1) by waste water from dyestuff case (2) through outlet pipeline
Row is except phenol, decolorization；
2) after a period of time to be adsorbed, sampling progress phenol and colorimetric detection from sampling analysis mouth (7), at interval of 15~20min
Sampling detection once, when the front and rear difference of data twice is less than 10%, is changed at interval of 5~10min samplings detection once, before treating
When data difference is less than 5% twice afterwards, it is changed at interval of 2min samplings detection once, when data twice are differed less than 1%, inhales
Attached completion；
3) the second ball valve (8) and the second centrifugal pump (11) are opened, the first ball valve (9) and the first centrifugal pump (10) are closed, by plastics
Fuel waste water in pipe (1) is fully transferred in fuel waste water tank (2), is closed the second ball valve (8) and the second centrifugal pump (11), is opened
Open LED illumination unit and photocatalytic degradation reaction is carried out to plastic tube (1), until the iron-based houghite filtering in plastic tube (1)
The filter cake lighter of device terminates reaction to primitive color is recovered, and closes LED illumination unit；
4) start electron accelerator (3) and 20~30min is irradiated to plastic tube (1), terminate irradiation；
5) repeat step 1)~step 4) is until phenol content and colourity reach discharge standard in pending waste water from dyestuff.
7. according to the method for claim 6, it is characterised in that the preparation method of the iron-based houghite filter, bag
Include following steps：
(1) FeCl is taken3·6H2O and NiCl2·6H2O, it is dissolved in ultra-pure water, is transferred to after stirring in autoclave；
(2) C is taken6H5Na3O7·H2O and 5.8g CO (NH2)2, add in autoclave, stir to solution it is uniform after, sealing is high
Reactor is pressed, 140~145 DEG C, 60h is handled, is subsequently cooled to room temperature, gained is precipitated into priority deionized water and absolute ethyl alcohol
Filtered after respectively washing 3 times, after room temperature to drying, obtain iron-based houghite；Wherein, C6H5Na3O7·H2O and FeCl3·6H2O's
Mass ratio is 1:10；
(3) iron-based houghite is ground, gained powder is with polyvinyl alcohol according to mass ratio 1:5 mixing, obtain mixed liquor；
(4) some and the sizable sponge of plastic tube (1) internal diameter are taken, sponge are soaked in mixed liquor, saturation to be adsorbed
After take out sponge, in 45~55 DEG C of drying, then immersion, drying and processing 5 times repeatedly；By the sponge of last time drying in 650
DEG C roasting 1 hour, cooling, be made round pie iron-based houghite filter.
8. according to the method for claim 7, it is characterised in that in step (1), by 1:The mass ratio of (3.5~4), takes
FeCl3·6H2O and NiCl2·6H2O；In step (2), by 0.2：The mass ratio of (5~6), takes C6H5Na3O7·H2O and 5.8g
CO(NH2)2, and C6H5Na3O7·H2O and FeCl3·6H2O mass ratio is 1:10.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250849A (en) * | 2018-09-22 | 2019-01-22 | 福建凤竹纺织科技股份有限公司 | A kind of processing method of textile waste |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109250849A (en) * | 2018-09-22 | 2019-01-22 | 福建凤竹纺织科技股份有限公司 | A kind of processing method of textile waste |
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