CN107875778A - A kind of nano zero valence iron bubble and its application - Google Patents
A kind of nano zero valence iron bubble and its application Download PDFInfo
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- CN107875778A CN107875778A CN201711288611.0A CN201711288611A CN107875778A CN 107875778 A CN107875778 A CN 107875778A CN 201711288611 A CN201711288611 A CN 201711288611A CN 107875778 A CN107875778 A CN 107875778A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D49/00—Separating dispersed particles from gases, air or vapours by other methods
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/02—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by utilising gravity
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D51/00—Auxiliary pretreatment of gases or vapours to be cleaned
- B01D51/02—Amassing the particles, e.g. by flocculation
- B01D51/04—Amassing the particles, e.g. by flocculation by seeding, e.g. by adding particles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/06—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds
- B01D53/10—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with moving adsorbents, e.g. rotating beds with dispersed adsorbents
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/72—Organic compounds not provided for in groups B01D53/48 - B01D53/70, e.g. hydrocarbons
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/06—Polluted air
Abstract
The present invention relates to environmental technology field, discloses a kind of nano zero valence iron bubble and its application.The raw material that the nano zero valence iron bubble is matched by following parts by weight is made：3 ~ 7 parts of 60 ~ 80 parts of water, 8 ~ 12 parts of Nanoscale Iron suspension, 4 ~ 7 parts of Sodium Polyacrylate, 3 ~ 5 parts of cocamidopropyl propyl amide amine oxide, 1 ~ 2 part of light-coloured vinegar, 1 ~ 3 part of Kathon CG, 2 ~ 4 parts of glycerine and modified methylated cellulose.Nano zero valence iron bubble of the present invention can realize that the haze particulate matter of large area in air removes.
Description
Technical field
The present invention relates to environmental technology field, is used for the nanometer zero that haze is removed and washed in air more particularly, to a kind of
Valency iron bubble.
Background technology
Haze is specific weather condition and the result of mankind's activity interaction.The society of high density population and production activity
Discharge more than a large amount of the fine particle PM2.5 and harmful chemicals gas of atmospheric air circulation ability and carrying degree, row can be worked as into air
The gas pollutant put forms contribution of the secondary aerosol species to PM2.5, and fine particle concentration is by continued accumulation.Now if by quiet
Steady weather etc. influences, and large-scale haze easily occurs.Haze then also contains substantial amounts of toxin, such as carbon monoxide, carbon dioxide, carbon
Hydrogen compound, organonitrogen compound and sulfur dioxide etc..Usual people can purify according to the species of contained toxin in haze
Salt, sodium bicarbonate, light-coloured vinegar either alcohol are added in the WATER AS FLOW MEDIUM of device, to reach washing or the purpose that neutralizes a toxin, or by mist
Harmful substance in haze is disposed from air.But air purifier is typically disposed on indoor use, purification area is smaller,
Can not be in outdoor application.
The content of the invention
The present invention be in order to overcome prior art purification of air area is smaller, cannot be used for outdoor air purification the problem of,
The larger nano zero valence iron bubble of area can be purified in outdoor application by providing one kind.
To achieve these goals, the present invention uses following technical scheme：A kind of nano zero valence iron bubble, by following weight
The raw material of number proportioning is made：60~80 parts of water, 8~12 parts of Nanoscale Iron suspension, 4~7 parts of Sodium Polyacrylate, coconut oleoyl amine third
3~7 parts of 3~5 parts of base amine oxide, 1~2 part of light-coloured vinegar, 1~3 part of Kathon CG, 2~4 parts of glycerine and modified methylated cellulose.
Nanoscale Iron suspension bubble can capture the harmful haze thin particulate matter for floating on air, be floated using soap bubble
Floating principle, soap bubble can fully contact with the dust floated in air and be allowed to depend on bubble surface, when soap bubble is vanished
Become microlayer model and be brought away from air, realize that the haze particulate matter of large area in air removes.Under quiet steady weather condition, adopt
By haze particle capture in air and it can become to condense with unmanned plane, helicopter or High Altitude Platform emission nanometer iron air bubble
Drop, realize that haze fine grained is captured from gaseous suspension state and is neutralized in the liquid phase and immediate removal toxin drops back into ground
Face, realize the purification to air large area., can using Sodium Polyacrylate and cocamidopropyl propyl amide amine oxide as surfactant
To substantially reduce the surface tension of water, bubble is easily formed；Light-coloured vinegar is used for adjusting the pH value of solution, solution is also had in acidity
There is sterilization poisoning bacterium；Kathon CG is used as the preservative of solution；Glycerine can thicken the moisture film of bubble, modified methyl
Cellulose is as thickener, so that bubble is not susceptible to rupture.It is with effect using its function of nano zero valence iron：Nanoscale Iron
Particle can be in the presence of surfactant and oxidant, the organic pollution in the air caught by air bubble that can degrade
Matter, such as, hydrocarbon and oxynitrides, carbon dioxide and water can be further decomposed into；Sky can also be adsorbed simultaneously
Dust and heavy metal ion in gas, it is converted into on-contaminated particles fall and return to ground surface.The use zeroth order of invention is received
Rice iron particle suspension can utilize the air bubble disposably seizure to haze and the pollution of degraded neutralization heavy metal ion, by haze
It is eluted out from air.
Preferably, the preparation method of the Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum is added in deionized water, is heated to 70~80 DEG C, the quality of chrysanthemum and the volume ratio of water are 10
~30g/L, then adds ethanol, and the volume ratio of water and ethanol is 1:0.15~0.2, after stirring immersion obtain primary chrysanthemum it is molten
Liquid；(2) the chrysanthemum solution of primary is filtered with screen pack, primary filtrate is obtained, then by primary filtrate vacuum
Negative pressure carries out secondary filter, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.2~0.3mol/L, chrysanthemum filtered fluid and molysite water
Volume ratio be 1:0.05~1, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Contain phenols chemical substance in chrysanthemum, there is reproducibility, the iron ion of high-valence state can be reduced to the iron of zeroth order,
Formed Zero-valent Iron suspension, it is green, save raw material, nano zero valence iron suspension have multi-functional heavy-metal ion removal and
, can in the presence of surfactants to organic matter degradation characteristic, the organic pollution in the air caught by air bubble of degrading
Matter, make organic material decomposition into carbon dioxide and water, while the dust in air and heavy metal ion can also be adsorbed to make its turn
Turn to on-contaminated particles fall and return to ground surface.
Preferably, 1~2h is soaked after being stirred in the step (1).
Preferably, screen pack mesh number is 250~300 mesh in the step (2).
Preferably, the preparation method of the modified methylated cellulose comprises the following steps：
(a) the dried methylcellulose of 5~12g is added into 120~160mL mass fractions is in 90~95% ethanol solutions,
15~20min is stirred, obtains methocel solution；
(b) 4~8g sodium hydroxides are added in methocel solution, increase the temperature to 30~45 DEG C, alkalized；
(c) 0.2~0.6g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, for control temperature at 60~70 DEG C, stirring is anti-
Should, the watery hydrochloric acid for then adding 0.2~0.3mol/L is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Methylcellulose is added in combination liquid, bubble can be made to be not easily broken in atmosphere as thickener, but its
Heat endurance and acid resistance are poor, apt to deteriorate, and this combination liquid has used acetic acid, and combination liquid is sour environment, greatly drop
The low stability of methylcellulose, methylcellulose is grafted using epoxy chlorine in heptan alkane, improves the molecular weight of methylcellulose,
So as to improve the heat resistance of methylcellulose and acid resistance；In addition, being grafted methylcellulose using epoxy chlorine in heptan alkane, also carry
The high stickiness of methylcellulose, makes the thickening power of methylcellulose strengthen, is not easily broken bubble-water, extension bubble-water exists
Time existing for air, draw more haze particulate matters.
Preferably, the step (b) carries out 2~3h of alkalization.
Preferably, 1~2h of stirring reaction in the step (c).
Therefore, the present invention has the advantages that：(1) Nanoscale Iron suspension bubble, which can capture, floats on having for air
Harmful haze thin particulate matter, using soap bubble floatation principle, soap bubble can be contacted fully simultaneously with the dust floated in air
It is allowed to depend on bubble surface, is vanished when soap bubble and become microlayer model and be brought away from air, realize the haze of large area in air
Particulate matter removes；(2) contain phenols chemical substance in chrysanthemum, there is reproducibility, the iron ion of high-valence state can be reduced to
The iron of zeroth order, Zero-valent Iron suspension is formed, it is green, raw material is saved, nano zero valence iron suspension has multi-functional removal weight
Metal ion and to organic matter degradation characteristic, by haze particle capture in air and can become to condense drop；(3) epoxy is used
Chlorine alkane grafting in heptan methylcellulose, improves the molecular weight of methylcellulose, so as to improve the heat resistance of methylcellulose and
Acid resistance, the stickiness of methylcellulose is also improved, make the thickening power of methylcellulose strengthen, make bubble-water not fragile
Split, extend bubble-water in the time existing for air, draw more haze particulate matters.
Embodiment
Below by specific embodiment, technical scheme is described further.
In the present invention, if not refering in particular to, used raw material and equipment etc. are commercially available or commonly used in the art,
Method in embodiment, it is the conventional method of this area unless otherwise instructed.
Embodiment 1
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：60 parts of water, 8 parts of Nanoscale Iron suspension, gather
3 parts of 4 parts of PAA, 3 parts of cocamidopropyl propyl amide amine oxide, 1 part of light-coloured vinegar, 1 part of Kathon CG, 2 parts of glycerine and modified methylated cellulose.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 70 DEG C, the quality of chrysanthemum and the volume ratio of water are 10g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.15,1h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 250 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.2mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.05, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Wherein, the preparation method of modified methylated cellulose comprises the following steps：
(a) it is in 90% ethanol solution the dried methylcellulose of 5g to be added into 120mL mass fractions, stirs 15min, obtains
Methocel solution；
(b) 4g sodium hydroxides are added in methocel solution, increase the temperature to 30 DEG C, carry out alkalization 2h；
(c) 0.2g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 60 DEG C, stirring reaction 1h, then
The watery hydrochloric acid for adding 0.2mol/L is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Embodiment 2
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：65 parts of water, 9 parts of Nanoscale Iron suspension, gather
4 parts of 5 parts of PAA, 3 parts of cocamidopropyl propyl amide amine oxide, 1 part of light-coloured vinegar, 1 part of Kathon CG, 2 parts of glycerine and modified methylated cellulose.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 72 DEG C, the quality of chrysanthemum and the volume ratio of water are 15g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.16,1.2h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 260 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.22mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.1, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Wherein, the preparation method of modified methylated cellulose comprises the following steps：
(a) it is in 92% ethanol solution the dried methylcellulose of 7g to be added into 130mL mass fractions, stirs 16min, obtains
Methocel solution；
(b) 5g sodium hydroxides are added in methocel solution, increase the temperature to 35 DEG C, carry out alkalization 2.2h；
(c) 0.3g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 62 DEG C, stirring reaction 1.2h, so
The watery hydrochloric acid for adding 0.22mol/L afterwards is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Embodiment 3
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：70 parts of water, 10 parts of Nanoscale Iron suspension,
5.5 parts of Sodium Polyacrylate, 4 parts of cocamidopropyl propyl amide amine oxide, 1.5 parts of light-coloured vinegar, 2 parts of Kathon CG, 3 parts of glycerine and modified methyl fiber
5 parts of element.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 75 DEG C, the quality of chrysanthemum and the volume ratio of water are 20g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.17,1.5h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 270 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.25mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.5, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Wherein, the preparation method of modified methylated cellulose comprises the following steps：
(a) it is in 93% ethanol solution the dried methylcellulose of 8g to be added into 140mL mass fractions, stirs 17min, obtains
Methocel solution；
(b) 6g sodium hydroxides are added in methocel solution, increase the temperature to 40 DEG C, carry out alkalization 2.6h；
(c) 0.4g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 65 DEG C, stirring reaction 1.6h, so
The watery hydrochloric acid for adding 0.25mol/L afterwards is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Embodiment 4
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：75 parts of water, 11 parts of Nanoscale Iron suspension,
6 parts of Sodium Polyacrylate, 5 parts of cocamidopropyl propyl amide amine oxide, 2 parts of light-coloured vinegar, 3 parts of Kathon CG, 4 parts of glycerine and modified methylated cellulose 6
Part.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 78 DEG C, the quality of chrysanthemum and the volume ratio of water are 25g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.18,1.8h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 280 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.28mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.8, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Wherein, the preparation method of modified methylated cellulose comprises the following steps：
(a) it is in 94% ethanol solution the dried methylcellulose of 10g to be added into 150mL mass fractions, stirs 18min, obtains
To methocel solution；
(b) 7g sodium hydroxides are added in methocel solution, increase the temperature to 42 DEG C, carry out alkalization 2.8h；
(c) 0.5g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 68 DEG C, stirring reaction 1.8h, so
The watery hydrochloric acid for adding 0.28mol/L afterwards is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Embodiment 5
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：80 parts of water, 12 parts of Nanoscale Iron suspension,
7 parts of Sodium Polyacrylate, 5 parts of cocamidopropyl propyl amide amine oxide, 2 parts of light-coloured vinegar, 3 parts of Kathon CG, 4 parts of glycerine and modified methylated cellulose 7
Part.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 80 DEG C, the quality of chrysanthemum and the volume ratio of water are 30g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.2,2h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 300 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.3mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:1, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Wherein, the preparation method of modified methylated cellulose comprises the following steps：
(a) it is in 95% ethanol solution the dried methylcellulose of 12g to be added into 160mL mass fractions, stirs 20min, obtains
To methocel solution；
(b) 8g sodium hydroxides are added in methocel solution, increase the temperature to 45 DEG C, carry out alkalization 3h；
(c) 0.6g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 70 DEG C, stirring reaction 2h, then
The watery hydrochloric acid for adding 0.3mol/L is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
Comparative example 1
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：70 parts of water, 10 parts of Nanoscale Iron suspension,
3 parts of 5.5 parts of Sodium Polyacrylate, 4 parts of cocamidopropyl propyl amide amine oxide, 1.5 parts of light-coloured vinegar, 2 parts of Kathon CG and glycerine.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 75 DEG C, the quality of chrysanthemum and the volume ratio of water are 20g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.17,1.5h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 270 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.25mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.5, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Comparative example 2
A kind of nano zero valence iron bubble, the raw material matched by following parts by weight are made：70 parts of water, 10 parts of Nanoscale Iron suspension,
5.5 parts of Sodium Polyacrylate, 4 parts of cocamidopropyl propyl amide amine oxide, 1.5 parts of light-coloured vinegar, 2 parts of Kathon CG, 3 parts of glycerine and methylcellulose 5
Part.
Wherein, the preparation method of Nanoscale Iron suspension comprises the following steps：
(1) dry chrysanthemum being added in deionized water, is heated to 75 DEG C, the quality of chrysanthemum and the volume ratio of water are 20g/L,
Then ethanol is added, the volume ratio of water and ethanol is 1:0.17,1.5h is soaked after stirring, obtains the chrysanthemum solution of primary；
(2) the chrysanthemum solution of primary is filtered with screen pack, screen pack mesh number is 270 mesh, obtains primary filtrate, then
Primary filtrate is subjected to secondary filter with negative pressure of vacuum, obtains the extract solution of chrysanthemum；
(3) chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.25mol/L, the body of chrysanthemum filtered fluid and molysite water
Product is than being 1:0.5, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
Embodiment 1~5, comparative example 1 (without addition modified methylated cellulose in component) and (methylcellulose of comparative example 2
Not by being modified) time for retaining at normal temperatures in air of the bubble that is mixed with of each component：
| Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Comparative example 1 | Comparative example 2 | |
| Time (s) | 123 | 115 | 124 | 118 | 121 | 20 | 65 |
The above described is only a preferred embodiment of the present invention, any formal limitation not is made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent change and modification that example is made is applied, in the range of still falling within technical solution of the present invention.
Claims (8)
1. a kind of nano zero valence iron bubble, it is characterized in that, the raw material matched by following parts by weight is made：Water 60 ~ 80 part, nanometer
It is 8 ~ 12 parts of iron suspension, 4 ~ 7 parts of Sodium Polyacrylate, 3 ~ 5 parts of cocamidopropyl propyl amide amine oxide, 1 ~ 2 part of light-coloured vinegar, 1 ~ 3 part of Kathon CG, sweet
3 ~ 7 parts of 2 ~ 4 parts of oil and modified methylated cellulose.
2. a kind of nano zero valence iron bubble according to claim 1, it is characterized in that, the preparation side of the Nanoscale Iron suspension
Method comprises the following steps：
（1）Dry chrysanthemum is added in deionized water, is heated to 70 ~ 80 DEG C, the quality of chrysanthemum and the volume ratio of water be 10 ~
30g/L, then adds ethanol, and the volume ratio of water and ethanol is 1:0.15 ~ 0.2, soaked after stirring and obtain the chrysanthemum solution of primary；
（2）The chrysanthemum solution of primary is filtered with screen pack, primary filtrate is obtained, then by primary filtrate vacuum
Negative pressure carries out secondary filter, obtains the extract solution of chrysanthemum；
（3）Chrysanthemum extract liquid is added in the molysite aqueous solution that concentration is 0.2 ~ 0.3mol/L, chrysanthemum filtered fluid and molysite water
Volume ratio be 1:0.05 ~ 1, vibration obtains zeroth order Nanoscale Iron suspension after shaking up.
3. a kind of nano zero valence iron bubble according to claim 2, it is characterized in that, the step（1）1 is soaked after middle stirring
~2h。
4. a kind of nano zero valence iron bubble according to claim 2, it is characterized in that, the step（2）Middle screen pack mesh number
For 250 ~ 300 mesh.
5. a kind of nano zero valence iron bubble according to claim 1 ~ 4 any claim, it is characterized in that, the modified first
The preparation method of base cellulose comprises the following steps：
（a）It is stirring in 90 ~ 95% ethanol solutions that the dried methylcellulose of 5 ~ 12g is added into 120 ~ 160mL mass fractions
15 ~ 20min, obtain methocel solution；
（b）4 ~ 8g sodium hydroxides are added in methocel solution, 30 ~ 45 DEG C is increased the temperature to, is alkalized；
（c）0.2 ~ 0.6g epoxy chlorine in heptan alkane is added into methylcellulose alkaline solution, control temperature is at 60 ~ 70 DEG C, stirring reaction,
Then the watery hydrochloric acid for adding 0.2 ~ 0.3mol/L is neutralized to neutrality, and modified methylated cellulose is obtained after filtering and drying.
6. a kind of nano zero valence iron bubble according to claim 5, it is characterized in that, the step（b）Carry out 2 ~ 3h of alkalization.
7. a kind of nano zero valence iron bubble according to claim 5, it is characterized in that, the step（c）Middle stirring reaction 1 ~
2h。
8. a kind of application of nano zero valence iron bubble, it is characterized in that, nano zero valence iron bubble is applied to haze in air and removed.
Priority Applications (1)
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| CN110405225A (en) * | 2019-08-14 | 2019-11-05 | 昆山菲骐环保科技有限公司 | The preparation method of one Plant Extracts nano materials |
| CN113820151A (en) * | 2021-08-06 | 2021-12-21 | 南京工业大学 | Method for detecting leakage point of fan filtering unit by using multiple unmanned aerial vehicles |
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