CN108640197A - The treatment and purification method of waste water from dyestuff in a kind of processing of timber - Google Patents
The treatment and purification method of waste water from dyestuff in a kind of processing of timber Download PDFInfo
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- CN108640197A CN108640197A CN201810378625.XA CN201810378625A CN108640197A CN 108640197 A CN108640197 A CN 108640197A CN 201810378625 A CN201810378625 A CN 201810378625A CN 108640197 A CN108640197 A CN 108640197A
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- timber
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- dyestuff
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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
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- 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
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- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The present invention relates to wood processing treatment technical fields,Disclose the treatment and purification method of waste water from dyestuff in a kind of processing of timber,The trimanganese tetroxide nano particle growth being prepared is attached in the duct of the porous structure of activated zeolite,Obtain the compound of porous doping rod-like nano mangano-manganic oxide,Generate synergistic effect and interfacial effect,Be conducive to the absorption degradation to dye molecule,Under light illumination,Electronics on light degradation material is excited,Transition occurs,Form photo-generate electron-hole pair,Further combined with oxygen,Generate superoxide anion,With superpower oxidisability,It can will be difficult to the organic matter dye oxidation degraded and generate carbon dioxide and water,Degradation rate reaches 99% or more,Recycling rate of waterused reaches 10 times or more,Experiments have shown that,Degradation rate for methylene blue in 60 minutes reaches 100%,With energy-efficient,It is green safe,It can thoroughly degrade,The advantages that non-secondary pollution.
Description
Technical field
The invention belongs to wood processing treatment technical fields, and in particular to the processing of waste water from dyestuff is net in a kind of processing of timber
Change method.
Background technology
Dyestuff is the substance that fiber and other materials can be made to colour, and dyestuff point is natural and synthesizes two major classes.Dyestuff is that have face
The substance of color.But coloured substance not necessarily dyestuff.Dyestuff is that certain color can be made to be attached to the substance on fiber,
And not easily to fall off, discoloration.Dyestuff is generally soluble in water, and a part of dyestuff needs mordant that dyestuff is enable to be attached on fiber.
Archaeological materials show that staining technique has had more than 5,000 years history in India and the Middle East.With the rapid development of social economy, it gives up
The pollution of water pollution, especially waste water from dyestuff becomes a serious problem of environmental pollution in world wide.Waste water from dyestuff is once straight
It connects and is discharged into river and lake, wherein a large amount of organic compound can consume the dissolved oxygen in water body, meanwhile, color is complicated
Waste water from dyestuff can directly absorb the light irradiated into water body, to reduce the transparency of water body, destroy water ecology balance, it is right
The health of the mankind and aquatile generates great threat.
In current timber processing, it can't do without the dyestuff using various colors, dyestuff is treated as maximum problem, existing
Processing method in, requirement of the physical absorption to sorbing material is high, and existing material not acid and alkali-resistance, be also easy to produce concentration pole
Change, be vulnerable to the problems such as pollution, recycling rate of waterused are low, and processing cost is big, absorption is not thorough, and chemical treatment is readily incorporated new object
The problems such as matter, dosage body refuse amount that is big, of high cost, generating is more, dehydration is difficult.For this reason, it may be necessary to a kind of safety and environmental protection, energy-saving and emission-reduction
Processing method replace existing dye wastewater processing method.
Invention content
The purpose of the present invention is for existing problem, provide a kind for the treatment of and purification side of waste water from dyestuff in timber processing
The trimanganese tetroxide nano particle growth being prepared is attached in the duct of activated zeolite by method, and it is rodlike to obtain porous doping
The composite materials of nano manganic manganous oxide, waste water from dyestuff carries out purified treatment in being processed to timber.
The present invention is achieved by the following technical solutions：
The treatment and purification method of waste water from dyestuff, attached by the trimanganese tetroxide nano particle growth being prepared in a kind of processing of timber
It in the duct of activated zeolite, the composite materials of porous doping rod-like nano mangano-manganic oxide is obtained, in being processed to timber
Waste water from dyestuff carries out purified treatment, and the preparation method of the compound includes the following steps：
（1）0.15-0.20 moles of potassium permanganate and 30-35 milliliters of ethylene glycol are mixed 15-20 minutes, mixing speed is
360-400 revs/min, pH value is adjusted in 7.8-8.0 ranges using ammonium hydroxide, 1.2-1.5 milliliters of butyl titanate coupling agents are added, stir
It mixes uniformly mixed, is placed in autoclave, set reaction temperature as 150-160 DEG C, the reaction time is 12-15 hour, is reacted
After cooled to room temperature, remove supernatant, by product respectively use deionized water and each eccentric cleaning of absolute ethyl alcohol
3-4 times, drying 4-5 hours in 80-90 DEG C of baking oven are subsequently placed in, rod-like nano mangano-manganic oxide is obtained；
（2）Natural zeolite is crushed to particle size in 150-200 mesh ranges, takes 140-150 grams to be placed in clean beaker, is added
1.5-2.0 grams of anhydrous zinc chloride adds 1.0-2.0 milliliters of dimethylformamides and 180-190 milliliters of acetone, and magnetic force is added and stirs
Son is mixed, it is magnetic agitation 30-40 minutes lower at 300-350 revs/min, it is sealed with sealed membrane, 24- is placed in 50-55 DEG C of baking oven
30 hours；
（3）By step（1）The nano manganic manganous oxide being prepared is added to step（2）In the mixed material, in 500-600
It is stirred 1-2 hours under rev/min, and ultrasonic disperse 20-25 minutes, then vacuum distillation recycling removes acetone solvent, removes degaussing
Power stirrer, residual components are placed in tube furnace, are passed through argon gas, setting heating rate is 2-3 DEG C/min, is warming up to 480-500
DEG C, stop heating after reaching target temperature, keeps the temperature 2.5-3.0 hours, 20-25 is then cooled to 4-5 DEG C/min of speed
DEG C, obtain the composite materials.
It is further described as to said program, step（1）When the potassium permanganate mixture stirring in ice water is pre-
It carries out, temperature is 3-5 DEG C.
It is further described as to said program, step（1）The rod-like nano mangano-manganic oxide grain being prepared
Diameter size is between 20-60 nanometers.
It is further described as to said program, step（1）The ammoniacal liquor mass concentration is 35-40%.
It is further described as to said program, step（2）After the natural zeolite mixed material is placed in an oven,
It took out once every 2-3 hours, is stirred 15-20 minutes under 300-400 revs/min.
It is further described as to said program, step（3）The vacuum distillation pressure is 4.0-5.0KPa.
It is further described as to said program, step（3）The ultrasonic power is 380-400W, and ultrasonic temperature is
30-35℃。
The application in preparing rod-like nano mangano-manganic oxide, by control reactant dosage, the acid-base value of hydro-thermal reaction,
Temperature and time ensures that the appearance of nano material that is prepared of reaction and size fall the range in needs, while passing through and adding titanium
There is agglomeration to prevent from having magnetic nano manganic manganous oxide in acid butyl ester coupling agent, and deep add is carried out to nanoparticle surface
Work achievees the purpose that change nano grain surface chemistry, physical property, increases the repulsive force between nano particle, reduce and attract
Power.It is combined with porous material, there is more various skeleton structure, the high-specific surface area of porous material to increase sewage absorption
Area is purified, there is very high physical and chemical stability, is influenced less by external interference, and can recycle.
The present invention has the following advantages compared with prior art：In order to solve in the processing of existing timber waste water from dyestuff purified treatment less than
Position, and pollutant must not obtain the problem of degrading, a kind for the treatment of and purification method of waste water from dyestuff in being processed the present invention provides timber,
The trimanganese tetroxide nano particle growth being prepared is attached in the duct of the porous structure of activated zeolite, obtains porous doping
The compound of rod-like nano mangano-manganic oxide generates synergistic effect and interfacial effect, is conducive to the absorption degradation to dye molecule,
Nano-particle is combined to form light degradation material by the present invention with multi-pore channel material, under light illumination, the electronics on light degradation material
It is excited, transition occurs, formed photo-generate electron-hole pair, further combined with oxygen, generate superoxide anion, had superpower
Oxidisability can will be difficult to the organic matter dye oxidation degraded and generate carbon dioxide and water, and degradation rate reaches 99% or more, repeats
Utilization rate reaches 10 times or more, experiments have shown that, the degradation rate for methylene blue in 60 minutes reaches 100%, has energy saving height
Effect, it is green safe, can thoroughly degrade, non-secondary pollution the advantages that.
Specific implementation mode
To make the purpose of the present invention, technical solution and effect clearer, clear and definite, with reference to specific embodiment to this hair
It is bright to be described further, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, is not used to limit
Technical solution provided by the present invention.
Embodiment 1
The treatment and purification method of waste water from dyestuff, attached by the trimanganese tetroxide nano particle growth being prepared in a kind of processing of timber
It in the duct of activated zeolite, the composite materials of porous doping rod-like nano mangano-manganic oxide is obtained, in being processed to timber
Waste water from dyestuff carries out purified treatment, and the preparation method of the compound includes the following steps：
（1）0.15 mole of potassium permanganate and 30 milliliters of ethylene glycol are mixed 15 minutes, mixing speed is 360 revs/min, is made
PH value is adjusted in 7.8-8.0 ranges with ammonium hydroxide, and 1.2 milliliters of butyl titanate coupling agents are added, is uniformly mixed, it is anti-to be placed in high pressure
It answers in kettle, sets reaction temperature as 150 DEG C, the reaction time is 12 hours, and cooled to room temperature, goes clear after reaction
Product is used deionized water and each eccentric cleaning of absolute ethyl alcohol 3 times by clear liquid respectively, and it is small to be subsequently placed in 80 DEG C of baking ovens dry 4
When, obtain rod-like nano mangano-manganic oxide；
（2）Natural zeolite is crushed to particle size in 150-200 mesh ranges, takes 140 grams to be placed in clean beaker, is added 1.5
Gram anhydrous zinc chloride adds 1.0 milliliters of dimethylformamides and 180 milliliters of acetone, magnetic stir bar is added, at 300 revs/min
Magnetic agitation 30 minutes, are sealed with sealed membrane under clock, are placed 24 hours in 50 DEG C of baking ovens；
（3）By step（1）The nano manganic manganous oxide being prepared is added to step（2）In the mixed material, 500 turns/
Minute lower stirring 1 hour, and ultrasonic disperse 20 minutes, then vacuum distillation recycling removes acetone solvent, removes magnetic stir bar,
Residual components are placed in tube furnace, are passed through argon gas, setting heating rate is 2 DEG C/min, is warming up to 480 DEG C, reaches target temperature
Stop heating afterwards, keeps the temperature 2.5 hours, be then cooled to 20 DEG C with 4 DEG C/min of speed, obtain the composite materials.
It is further described as to said program, step（1）When the potassium permanganate mixture stirring in ice water is pre-
It carries out, temperature is 3 DEG C.
It is further described as to said program, step（1）The rod-like nano mangano-manganic oxide grain being prepared
Diameter size is between 20-60 nanometers.
It is further described as to said program, step（1）The ammoniacal liquor mass concentration is 35%.
It is further described as to said program, step（2）After the natural zeolite mixed material is placed in an oven,
It took out once every 2 hours, is stirred 15 minutes under 300 revs/min.
It is further described as to said program, step（3）The vacuum distillation pressure is 4.0KPa.
It is further described as to said program, step（3）The ultrasonic power is 380W, and ultrasonic temperature is 30 DEG C.
Embodiment 2
The treatment and purification method of waste water from dyestuff, attached by the trimanganese tetroxide nano particle growth being prepared in a kind of processing of timber
It in the duct of activated zeolite, the composite materials of porous doping rod-like nano mangano-manganic oxide is obtained, in being processed to timber
Waste water from dyestuff carries out purified treatment, and the preparation method of the compound includes the following steps：
（1）0.18 mole of potassium permanganate and 33 milliliters of ethylene glycol are mixed 18 minutes, mixing speed is 380 revs/min, is made
PH value is adjusted in 7.8-8.0 ranges with ammonium hydroxide, and 1.3 milliliters of butyl titanate coupling agents are added, is uniformly mixed, it is anti-to be placed in high pressure
It answers in kettle, sets reaction temperature as 155 DEG C, the reaction time is 13 hours, and cooled to room temperature, goes clear after reaction
Product is used deionized water and each eccentric cleaning of absolute ethyl alcohol 3 times, is subsequently placed in 85 DEG C of baking ovens dry 4.5 by clear liquid respectively
Hour, obtain rod-like nano mangano-manganic oxide；
（2）Natural zeolite is crushed to particle size in 150-200 mesh ranges, takes 145 grams to be placed in clean beaker, is added 1.8
Gram anhydrous zinc chloride adds 1.5 milliliters of dimethylformamides and 185 milliliters of acetone, magnetic stir bar is added, at 330 revs/min
Magnetic agitation 35 minutes, are sealed with sealed membrane under clock, are placed 27 hours in 53 DEG C of baking ovens；
（3）By step（1）The nano manganic manganous oxide being prepared is added to step（2）In the mixed material, 550 turns/
Minute lower stirring 1.5 hours, and ultrasonic disperse 23 minutes, then vacuum distillation recycling removes acetone solvent, removes magnetic agitation
Son, residual components are placed in tube furnace, are passed through argon gas, setting heating rate is 2.5 DEG C/min, is warming up to 490 DEG C, reaches mesh
Stop heating after marking temperature, keeps the temperature 2.8 hours, be then cooled to 23 DEG C with 4.5 DEG C/min of speed, obtain the compound
Material.
It is further described as to said program, step（1）When the potassium permanganate mixture stirring in ice water is pre-
It carries out, temperature is 4 DEG C.
It is further described as to said program, step（1）The rod-like nano mangano-manganic oxide grain being prepared
Diameter size is between 20-60 nanometers.
It is further described as to said program, step（1）The ammoniacal liquor mass concentration is 38%.
It is further described as to said program, step（2）After the natural zeolite mixed material is placed in an oven,
It took out once every 2.5 hours, is stirred 18 minutes under 350 revs/min.
It is further described as to said program, step（3）The vacuum distillation pressure is 4.5KPa.
It is further described as to said program, step（3）The ultrasonic power is 390W, and ultrasonic temperature is 33 DEG C.
Embodiment 3
The treatment and purification method of waste water from dyestuff, attached by the trimanganese tetroxide nano particle growth being prepared in a kind of processing of timber
It in the duct of activated zeolite, the composite materials of porous doping rod-like nano mangano-manganic oxide is obtained, in being processed to timber
Waste water from dyestuff carries out purified treatment, and the preparation method of the compound includes the following steps：
（1）0.20 mole of potassium permanganate and 35 milliliters of ethylene glycol are mixed 20 minutes, mixing speed is 400 revs/min, is made
PH value is adjusted in 7.8-8.0 ranges with ammonium hydroxide, and 1.5 milliliters of butyl titanate coupling agents are added, is uniformly mixed, it is anti-to be placed in high pressure
It answers in kettle, sets reaction temperature as 160 DEG C, the reaction time is 15 hours, and cooled to room temperature, goes clear after reaction
Product is used deionized water and each eccentric cleaning of absolute ethyl alcohol 4 times by clear liquid respectively, and it is small to be subsequently placed in 90 DEG C of baking ovens dry 5
When, obtain rod-like nano mangano-manganic oxide；
（2）Natural zeolite is crushed to particle size in 150-200 mesh ranges, takes 150 grams to be placed in clean beaker, is added 2.0
Gram anhydrous zinc chloride adds 2.0 milliliters of dimethylformamides and 190 milliliters of acetone, magnetic stir bar is added, at 350 revs/min
Magnetic agitation 40 minutes, are sealed with sealed membrane under clock, are placed 30 hours in 55 DEG C of baking ovens；
（3）By step（1）The nano manganic manganous oxide being prepared is added to step（2）In the mixed material, 600 turns/
Minute lower stirring 2 hours, and ultrasonic disperse 25 minutes, then vacuum distillation recycling removes acetone solvent, removes magnetic stir bar,
Residual components are placed in tube furnace, are passed through argon gas, setting heating rate is 3 DEG C/min, is warming up to 500 DEG C, reaches target temperature
Stop heating afterwards, keeps the temperature 3.0 hours, be then cooled to 25 DEG C with 5 DEG C/min of speed, obtain the composite materials.
It is further described as to said program, step（1）When the potassium permanganate mixture stirring in ice water is pre-
It carries out, temperature is 5 DEG C.
It is further described as to said program, step（1）The rod-like nano mangano-manganic oxide grain being prepared
Diameter size is between 20-60 nanometers.
It is further described as to said program, step（1）The ammoniacal liquor mass concentration is 40%.
It is further described as to said program, step（2）After the natural zeolite mixed material is placed in an oven,
It took out once every 3 hours, is stirred 20 minutes under 400 revs/min.
It is further described as to said program, step（3）The vacuum distillation pressure is 5.0KPa.
It is further described as to said program, step（3）The ultrasonic power is 400W, and ultrasonic temperature is 35 DEG C.
Comparative example 1
With differing only in for embodiment 1, nano manganic manganous oxide is used only as light degradation materials purification sewage, remaining holding
Unanimously.
Comparative example 2
With differing only in for embodiment 2, activated zeolite is used only and purifies sewage as sorbing material, remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, nano ferriferrous oxide is combined with activated zeolite, is aoxidized instead of the nanometer four
Three manganese, remaining is consistent.
Contrast experiment
Generated dye wastewater in the method processing timber processing of embodiment 1-3 and comparative example 1-3 is used respectively, while with existing
As a contrast, each group scavenging material additive amount is consistent for some magnetic ferroferric oxide nanometer sorbing materials, and each group purifies sewage sample
Product component content is consistent, and calculates adsorbance and dyestuff removal rate to pollutant when reaching balance, as a result record such as following table
It is shown.
The purified treatment result of 1 each group sewage sample of table
| Project | Equilibrium adsorption capacity（mg/g） | Dyestuff removal rate（%） | It is repeatable to utilize number（It is secondary） |
| Embodiment 1 | 25.2 | 99.3 | 15 |
| Embodiment 2 | 25.8 | 99.5 | 17 |
| Embodiment 3 | 25.6 | 99.4 | 15 |
| Comparative example 1 | 17.3 | 92.2 | 8 |
| Comparative example 2 | 16.5 | 86.4 | 6 |
| Comparative example 3 | 18.0 | 94.2 | 10 |
| Control group | 14.2 | 87.7 | 3 |
It is accurate to prepare the pollutant solution that initial concentration is definite value, wherein Cu2+A concentration of 15mg/L, methylene blue are a concentration of
80mg/L, every group of sample take 200 milliliters to be placed in conical flask, respectively the purification material of corresponding embodiment, comparative example, control group
Material, each 3 grams of addition, is placed in Tempeerature-constant air and vibrates, it is to be adsorbed reach balance after, the eliminating rate of absorption of target contaminant is carried out
It calculates, the results are shown in Table 2.
Removal rate of the 2 each group scavenging material of table to target contaminant（%）
| Project | Cu2+Removal rate（%） | Methylene blue removal rate（%） | It is repeatable to utilize number（It is secondary） |
| Embodiment 1 | 99.5 | 99.8 | 18 |
| Embodiment 2 | 99.6 | 99.9 | 20 |
| Embodiment 3 | 99.5 | 99.8 | 18 |
| Comparative example 1 | 92.6 | 93.5 | 12 |
| Comparative example 2 | 89.0 | 90.2 | 9 |
| Comparative example 3 | 93.2 | 94.8 | 14 |
| Control group | 86.6 | 88.9 | 6 |
（Sewage PH value is adjusted to 6.0 in experiment）
It can be seen that：The composite materials that the present invention is prepared have it is energy-efficient, green safe, can thoroughly degrade, nothing
The advantages that secondary pollution.
Claims (7)
1. a kind for the treatment of and purification method of waste water from dyestuff in timber processing, which is characterized in that the mangano-manganic oxide that will be prepared
Particle growth is attached in the duct of activated zeolite, obtains the compound material of porous doping rod-like nano mangano-manganic oxide
Material, waste water from dyestuff carries out purified treatment in being processed to timber, and the preparation method of the compound includes the following steps：
（1）0.15-0.20 moles of potassium permanganate and 30-35 milliliters of ethylene glycol are mixed 15-20 minutes, mixing speed is
360-400 revs/min, pH value is adjusted in 7.8-8.0 ranges using ammonium hydroxide, 1.2-1.5 milliliters of butyl titanate coupling agents are added, stir
It mixes uniformly mixed, is placed in autoclave, set reaction temperature as 150-160 DEG C, the reaction time is 12-15 hour, is reacted
After cooled to room temperature, remove supernatant, by product respectively use deionized water and each eccentric cleaning of absolute ethyl alcohol
3-4 times, drying 4-5 hours in 80-90 DEG C of baking oven are subsequently placed in, rod-like nano mangano-manganic oxide is obtained；
（2）Natural zeolite is crushed to particle size in 150-200 mesh ranges, takes 140-150 grams to be placed in clean beaker, is added
1.5-2.0 grams of anhydrous zinc chloride adds 1.0-2.0 milliliters of dimethylformamides and 180-190 milliliters of acetone, and magnetic force is added and stirs
Son is mixed, it is magnetic agitation 30-40 minutes lower at 300-350 revs/min, it is sealed with sealed membrane, 24- is placed in 50-55 DEG C of baking oven
30 hours；
（3）By step（1）The nano manganic manganous oxide being prepared is added to step（2）In the mixed material, in 500-600
It is stirred 1-2 hours under rev/min, and ultrasonic disperse 20-25 minutes, then vacuum distillation recycling removes acetone solvent, removes degaussing
Power stirrer, residual components are placed in tube furnace, are passed through argon gas, setting heating rate is 2-3 DEG C/min, is warming up to 480-500
DEG C, stop heating after reaching target temperature, keeps the temperature 2.5-3.0 hours, 20-25 is then cooled to 4-5 DEG C/min of speed
DEG C, obtain the composite materials.
A kind for the treatment of and purification method of waste water from dyestuff during 2. timber is processed as described in claim 1, which is characterized in that step（1）
In the pre- middle progress of ice water when the potassium permanganate mixture stirring, temperature is 3-5 DEG C.
A kind for the treatment of and purification method of waste water from dyestuff during 3. timber is processed as described in claim 1, which is characterized in that step（1）
The rod-like nano mangano-manganic oxide particle size being prepared is between 20-60 nanometers.
A kind for the treatment of and purification method of waste water from dyestuff during 4. timber is processed as described in claim 1, which is characterized in that step（1）
The ammoniacal liquor mass concentration is 35-40%.
A kind for the treatment of and purification method of waste water from dyestuff during 5. timber is processed as described in claim 1, which is characterized in that step（2）
After the natural zeolite mixed material is placed in an oven, took out once every 2-3 hours, stirred under 300-400 revs/min
15-20 minutes.
A kind for the treatment of and purification method of waste water from dyestuff during 6. timber is processed as described in claim 1, which is characterized in that step（3）
The vacuum distillation pressure is 4.0-5.0KPa.
A kind for the treatment of and purification method of waste water from dyestuff during 7. timber is processed as described in claim 1, which is characterized in that step（3）
The ultrasonic power is 380-400W, and ultrasonic temperature is 30-35 DEG C.
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| CN201810378625.XA CN108640197A (en) | 2018-04-25 | 2018-04-25 | The treatment and purification method of waste water from dyestuff in a kind of processing of timber |
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| CN1792866A (en) * | 2005-11-29 | 2006-06-28 | 合肥工业大学 | Process for treating waste water of methylene blue dye and process for preparing catalyst |
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| CN106423293A (en) * | 2016-09-24 | 2017-02-22 | 上海大学 | Preparation method of catalytic composite material Mn3O4/ZIF-8 (Zeolite Imidazate Framework-8) for activating PMS (Potassium Monopersulfate) |
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2018
- 2018-04-25 CN CN201810378625.XA patent/CN108640197A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1792866A (en) * | 2005-11-29 | 2006-06-28 | 合肥工业大学 | Process for treating waste water of methylene blue dye and process for preparing catalyst |
| CN103771406A (en) * | 2014-01-22 | 2014-05-07 | 中国工程物理研究院化工材料研究所 | Graphene/manganese tetraoxide nanocomposite and preparation method thereof |
| CN106423293A (en) * | 2016-09-24 | 2017-02-22 | 上海大学 | Preparation method of catalytic composite material Mn3O4/ZIF-8 (Zeolite Imidazate Framework-8) for activating PMS (Potassium Monopersulfate) |
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