CN108160052A - A kind of preparation method of highly effective air sorbing material - Google Patents
A kind of preparation method of highly effective air sorbing material Download PDFInfo
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- CN108160052A CN108160052A CN201810056901.0A CN201810056901A CN108160052A CN 108160052 A CN108160052 A CN 108160052A CN 201810056901 A CN201810056901 A CN 201810056901A CN 108160052 A CN108160052 A CN 108160052A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
- B01J20/24—Naturally occurring macromolecular compounds, e.g. humic acids or their derivatives
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
- A61L9/00—Disinfection, sterilisation or deodorisation of air
- A61L9/01—Deodorant compositions
- A61L9/014—Deodorant compositions containing sorbent material, e.g. activated carbon
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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
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/28—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties
- B01J20/28054—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof characterised by their form or physical properties characterised by their surface properties or porosity
Abstract
The present invention discloses a kind of preparation method of highly effective air sorbing material, including（1）Will slurry carry out refinement treatment after take off liquid concentration, add in sodium hydroxide solution in concentrate, be mixed, after being warming up to 80 DEG C of reactions 1 hour, neutralize the fiber pulp for being concentrated into 25 weight % concentration；（2）After addition silver nitrate and lanthanum nitrate mixed solution are sufficiently mixed, defibering obtains microfibril vegetable-fibre slurry；（3）Fiber pulp is stirred with fermentation mother liquor, and access acetobacter xylinum ventilation culture adds in microfibril vegetable-fibre slurry and stirs evenly, static culture obtains the crosslinked colloidal liquid of bacteria cellulose；（4）In colloidal liquid, after addition filler stirs evenly, NaOH solution is added in, is filtered after processing and cleans up granulation.The product of the present invention realizes the superpower adsorption capacity to particulates emissions such as PM2.5, while has bactericidal effect, while its raw material natural environmental-protective, preparation condition are simply mild.
Description
Technical field
The present invention relates to a kind of highly effective air sorbing materials and preparation method thereof.
Background technology
Air purification sorbing material refers to be mainly used for be used for administering among home life the adsorption material of indoor environmental pollution
Material.Mainly have：Activated silica, activated carbon, activated alumina.
Air purification sorbing material generally has the characteristics that：Specific surface is very big, and adsorption capacity is strong；Have to gas higher
Absorption property can adsorb rapidly；Environmental protection, pollution-free, manufacture is at low cost.Air purification sorbing material can be adsorbed effectively because household fills
The harmful substances such as formaldehyde, benzene, the dimethylbenzene repaiied and released.It is each that room air pollution phenomenon is widely present in room etc. at present
In the building of kind of closing, severe room air is seriously endangered to the health care belt of the mankind.1997 in Washington
The world environments held would indicate that greatly:Room air pollution is more serious than outdoor air pollution.Air pollution problem inside rooms are alive
Many countries of boundary all receive great attention, and Europe, North America and Japan and other countries have carried out indoor ring from the 80's of 20th century
The research work of border quality.
As soon as China is a country for cancer high incidence, almost there are one cancer patients within five minutes to occur, according to a large amount of
Research report, the toxic and harmful gas that interior decoration, furniture, electric appliance generate are the main reason for currently the majority cancer induce,
Modern almost 80 ~ 90% time spend indoors, the quality of room air is but toxic concerning people's health
The involuntary health for destroying us of pernicious gas.
Indoor toxic and harmful gas includes：
Aldehydes（Based on formaldehyde）：It as magma noxious material, can be combined with protein, influencing human body from the level of metabolism is good for
Health.Low concentration formaldehyde can cause to breathe disease of digestive system, and the formaldehyde of high concentration then has strong carcinogenesis.Formaldehyde is soluble easily in water
And organic solvent, easily adhere to, temperature raising is readily volatilized.It is that extended residual slowly volatilizees on furniture and house ornamentation and carcinogenic has
One of poisonous gas；
Benzene and toluene class：Benzene and toluene are the arch-criminals of leucocyte lesion, can cause chromosome lesion, and benzene and toluene belong to virtue
Fragrant compounds of group, phenyl ring is particularly stable, is not easily decomposed in vivo, can seriously affect health.Benzene ring substance essentially from
Paint that interior uses etc.；
Radioactive radon gas：Radioactive radon gas comes from construction material or building lot, and meeting duration distributes radioactivity gas
Body, radgas excessive concentration can lead to cell carcinogenesis and gene mutation, pregnant woman, infant be influenced especially serious；
Ammonia nitrogen compound：Indoor ammonia nitrogen chemical combination object is mainly ammonia, and ammonia can damage respiratory system and Mucosal system,
And indoor ammonia is mainly what is generated by construction material.
Dust bacterium：Many breathing problems are all as caused by bacterium entrained in dust in air, to the mankind
There is very big threat.
Air adsorption material on the market at present, based on activated carbon and other industrial adsorption materials, activated carbon is physics
Absorption, effect are not satisfactory.And sorbing material such as silica gel, molecular sieve etc. of some other industry manufacture, absorption
Effect is good, but itself is difficult to reduce, and not environmentally and cost is higher.Therefore being badly in need of exploitation one kind has high adsorption effectiveness, together
When natural environmental-protective sorbing material.
Invention content
In view of the above-mentioned problems, a kind of efficient absorption material is prepared by biological method in the present invention, with superelevation
Adsorption effectiveness and bactericidal effect, while its raw material natural environmental-protective, preparation condition are simply mild.
For solution more than technical problem, the present invention uses following technical scheme：
A kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）Liquid concentration is taken off after the slurry of the non-bleached kraft pulp of coniferous tree is carried out refinement treatment, sodium hydroxide is added in concentrate
Solution is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralizes and is concentrated into the fiber pulps of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry under the screw speed of 2000rpm in machine；
（3）The fiber pulp of step 1 with fermentation mother liquor is stirred, accesses acetobacter xylinum, ventilation culture 1-3 days adds in step
Rapid 2 microfibril vegetable-fibre slurry stirs evenly, static culture 1-3 days, obtains the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid that step 3 is obtained, after addition filler stirs evenly, the NaOH solution of 1-5%, heating are added in
It to 60-80 DEG C, handles 1-4 hours, filtering cleans up granulation to get highly effective air sorbing material.
Further, silver nitrate concentration is 0.1-0.5mol/L in silver nitrate and lanthanum nitrate mixed solution wherein in step 2,
A concentration of 0.001-0.005mol/L of lanthanum nitrate；The proportioning of fiber pulp and mixed solution is 100：1-5 volume ratios.
Further, the avarage fiber diameter of microfibril vegetable-fibre slurry wherein obtained in step 2 is 100nm-
200nm。
Further, the fibre bundle average diameter of bacteria cellulose is 40-60nm wherein in step 3, and single fiber is put down
A diameter of 4-10nm.
Further, carbohydrate raw material, the 0.5% ammonium sulfate group that fermentation mother liquor is 10% wherein in step 3
Into water being added to dissolve by heating, pH value is adjusted to 4-6, inoculation yeast bacterium, and saccharomycete inoculum concentration is 0.3-0.5%, is fermented, and is sent out
Ferment temperature is kept for 28-32 DEG C, after cultivating 36-72 hours, using obtained by ultra high temperature short time sterilization.
Further, the inoculum concentration of acetobacter xylinum is 15-20% wherein in step 3.
Further, the additional proportion of fiber pulp and microfibril vegetable-fibre slurry is 1 wherein in step 3:1.
Further, filler is diatomite, alkaline earth oxide, bentonite, molecular sieve, polymerization wherein in step 4
The quality of one or more of mixtures of object, colloidal liquid and filler is 1-2:1.
Further, colloidal liquid and the mass ratio of NaOH solution are 1-2 wherein in step 4：1.
Fibrous raw material in the present invention be originated from timber, bamboo, fiber crops, jute, mestha, agricultural residues waste, cloth, regenerated paper pulp,
The slurry NBKP of the substance of the natural goods such as waste paper, ascidian cellulose, the preferably non-bleached kraft pulp of coniferous tree, mass concentration are
2%.It can be personal slurry, commercial pulp can also be purchased from.The preparation method such as usual way of personal slurry, such as by chemical method,
The method that mechanical means or both combines makes plant fiber material dissociation become true qualities or bleached pulp.
NaOH solution is added in step 1, carries out preliminary swelling, makes pulp fiber fluffy, the concentration of NaOH is not special
Limitation.After being reacted 1 hour by 80 DEG C, after being neutralized using citric acid or other relatively mild acid, concentrated.It is prepared into
To fiber pulp in coarse-fibred average diameter in 0.1-2mm or so, for crude fibre mainly using its mechanical strength, support is entire
Fiber composite system, not adding crude fibre will cause composite fibre system to be caved in, and the fiber for preparing Nano grade below coagulates
It gets together, so as to can not achieve the technique effect of the present invention.
Step 2 is fibrillation step.A certain amount of silver nitrate and lanthanum nitrate mixed solution are added in this step, by drawing
Enter this silver ion and lanthanum ion, by during defibering, coarse fiber defibering is into thinner fibrillation fibre bundle, specific surface
Product increased dramatically, while using hydroxyl capture silver ion abundant on fibrillation fiber surface and lanthanum ion, realize both from
The load and doping of son.The metal ion being complexed on fibrillation fiber surface, in the range of a certain concentration, complexation strength is big,
Antibacterial activity reduces, so as to not influence the preparation of follow-up step.Silver nitrate concentration is in silver nitrate and lanthanum nitrate mixed solution
0.1-0.5mol/L, a concentration of 0.001-0.005mol/L of lanthanum nitrate；The proportioning of fiber pulp and mixed solution is 100：1-5 bodies
Product ratio.It can realize that silver ion and lanthanum ion are loaded to concentration on fibre bundle by a certain percentage by aforementioned proportion, it is excessive
The antibiotic property that load capacity will cause subsequent process ion too strong, so as to be unfavorable for the generation of bacteria cellulose in subsequent step 3, mistake
Small load capacity can not achieve the technique effect of the present invention.Lanthanum ion is preferably matched with silver ion by a certain concentration simultaneously, so as to
Realize best antibiotic property.The average diameter of microfibril plant fiber is 20-200nm, and preferably average diameter is 100-
The microfibril plant fiber of 120nm can also be modified fibrillation plant fiber, such as cation, polar group modification
Deng also in the range of the considerations of present invention.
Step 3 is multiple dimensioned fiber composite step.In this step, by adding in fiber pulp, microfibril plant fiber
Slurry, and pass through the preparation of bacteria cellulose, so as to the combination of different scale material.The coarse fiber diameter of fiber pulp is 0.1-
2mm.Microfibril vegetable-fibre slurry includes the microfibril plant fiber of 100-120nm.Bacteria cellulose fibre is by diameter 3
~4 nanometers of fento is combined into 40~60 nanometers of thick fibre bundles, and is intertwined to form flourishing hyperfine network structure.
In preparation process, by composite fibre pulp and fermentation mother liquor, a certain amount of acetobacter xylinum is being accessed, in one timing of ventilation culture
Between after, be the breeding that wooden vinegar bacterium is largely stablized, fibrillation vegetable-fibre slurry added in, so as to fulfill bacteria cellulose thick fine
It largely generates, plugs the gap between dimension and the gap of fibrillation.Since the load of fibrillation plant fiber has certain metal ion,
Therefore with certain antibiotic property, therefore fibrillation vegetable slurries add after ventilation culture is stablized.Fermentation mother liquor is 10%
Carbohydrate raw material, 0.5% ammonium sulfate composition, water is added to dissolve by heating, pH value is adjusted to 4-6, inoculation yeast bacterium, ferment
Female bacterium inoculum concentration is 0.3-0.5%, is fermented, and fermentation temperature is kept for 28-32 DEG C, after cultivating 36-72 hours, using superhigh temperature
Obtained by instantaneous sterilizing.The inoculum concentration of acetobacter xylinum is 15-20%.The additional proportion of fiber pulp and microfibril vegetable-fibre slurry
It is 1:1.Yellow colloidal is presented in the liquid being prepared.
Step 4 is filling molding step.By adding in filler, thus complex fiber material prepared by stabilizing step 3
Structure, and reduce cost, it is easier to molding uses.Filler is diatomite, alkaline earth oxide, bentonite, molecular sieve, is gathered
The quality of one or more of mixtures of conjunction object, colloidal liquid and filler is 1-2:1.After stirring, paste is presented.Later plus
Enter certain density NaOH solution, crack the gluey form of bacteria cellulose formation, so as to fulfill complex fiber material and filling
Agent preferably fits together, and is also more conducive to filtering forming, while add in NaOH solution, makes the metal of load on the fiber surface
Ion forms hydroxide form, and heats and be further formed oxide form, so as to play stable effect, enhances antibacterial
The effectiveness time.
The present invention to prepare material environment friendly degradable, to environment without polluting twice, can be used for the absorption of air cleaner
Material.After use,
Since the particle diameter of PM2.5 is in much bigger than the aperture of general sorbing material of 2.5um or so, it is difficult to it adsorbs, and
The present invention is by the way that using crude fibre as skeleton, fibrillation fiber and bacterial fibers are the string bag, can effectively be captured in air
PM2.5, and with to its harmful levels of pathogens sterilizing function.
The invention has the advantages that：
A kind of efficient absorption material is prepared by biological method in the present invention, by the fiber composite of various dimensions scale, from
And it realizes increase specific surface area and reduces filtration channel, and fibrillation fiber and bacterial fibers have abundant surface-active base
Group realizes the superpower adsorption capacity to particulates emissions such as PM2.5, while load has nano metal ion, makes it have superelevation suction
Attached effect and bactericidal effect, while its raw material natural environmental-protective, preparation condition are simply mild.
It for ease of more fully understanding the present invention, is illustrated by following instance, these examples belong to the protection of the present invention
Range, but do not limit the scope of the invention.
Filler used is diatomite in embodiment, the diatomite C499 purchased from jade of the He family chemical industry.
The slurry of the non-bleached kraft pulp of coniferous tree is purchased from the silver-colored star that ARRACO companies of Chile produce.
Embodiment 1
A kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）By the slurry of the non-bleached kraft pulp of coniferous tree of 2 mass % after single grinding machine carries out refinement treatment, de- liquid is concentrated into 10
Quality % adds in 5% sodium hydroxide solution in concentrate, is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralization is concentrated into
The fiber pulp of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry, silver nitrate and lanthanum nitrate mixing for 15 minutes under the screw speed of 2000rpm in machine
Silver nitrate concentration is 0.3mol/L, a concentration of 0.003mol/L of lanthanum nitrate in solution；The proportioning of fiber pulp and mixed solution is
100：3 volume ratios.；
（3）The fiber pulp of 100 volumes of step 1 and the fermentation mother liquor of 100 volumes are stirred, access 15% wooden vinegar bar
Bacterium, ventilation culture 2 days, the microfibril vegetable-fibre slurry for adding in 100 volumes of step 2 stirs evenly, and static culture 2 days obtains
To the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid of 100 mass parts that step 3 is obtained, add in 100 mass parts filler stir evenly after, add
Enter 3% NaOH solution of 100 mass parts, be heated to 60-80 DEG C, handle 2 hours, filtering cleans up granulation to get efficient
Air adsorption material.
Embodiment 2
A kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）By the slurry of the non-bleached kraft pulp of coniferous tree of 2 mass % after single grinding machine carries out refinement treatment, de- liquid is concentrated into 10
Quality % adds in 5% sodium hydroxide solution in concentrate, is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralization is concentrated into
The fiber pulp of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry, silver nitrate and lanthanum nitrate mixing for 15 minutes under the screw speed of 2000rpm in machine
Silver nitrate concentration is 0.1mol/L, a concentration of 0.001mol/L of lanthanum nitrate in solution；The proportioning of fiber pulp and mixed solution is
100：1 volume ratio.；
（3）The fiber pulp of 100 volumes of step 1 and the fermentation mother liquor of 100 volumes are stirred, access 15% wooden vinegar bar
Bacterium, ventilation culture 2 days, the microfibril vegetable-fibre slurry for adding in 100 volumes of step 2 stirs evenly, and static culture 2 days obtains
To the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid of 100 mass parts that step 3 is obtained, add in 100 mass parts filler stir evenly after, add
Enter 3% NaOH solution of 100 mass parts, be heated to 60-80 DEG C, handle 2 hours, filtering cleans up granulation to get efficient
Air adsorption material.
Embodiment 3
A kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）By the slurry of the non-bleached kraft pulp of coniferous tree of 2 mass % after single grinding machine carries out refinement treatment, de- liquid is concentrated into 10
Quality % adds in 5% sodium hydroxide solution in concentrate, is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralization is concentrated into
The fiber pulp of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry, silver nitrate and lanthanum nitrate mixing for 15 minutes under the screw speed of 2000rpm in machine
Silver nitrate concentration is 0.5mol/L, a concentration of 0.005mol/L of lanthanum nitrate in solution；The proportioning of fiber pulp and mixed solution is
100：5 volume ratios.；
（3）The fiber pulp of 100 volumes of step 1 and the fermentation mother liquor of 100 volumes are stirred, access 20% wooden vinegar bar
Bacterium, ventilation culture 3 days, the microfibril vegetable-fibre slurry for adding in 100 volumes of step 2 stirs evenly, and static culture 3 days obtains
To the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid of 100 mass parts that step 3 is obtained, add in 100 mass parts filler stir evenly after, add
Enter 3% NaOH solution of 100 mass parts, be heated to 60-80 DEG C, handle 2 hours, filtering cleans up granulation to get efficient
Air adsorption material.
Embodiment 4
A kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）By the slurry of the non-bleached kraft pulp of coniferous tree of 2 mass % after single grinding machine carries out refinement treatment, de- liquid is concentrated into 10
Quality % adds in 5% sodium hydroxide solution in concentrate, is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralization is concentrated into
The fiber pulp of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry, silver nitrate and lanthanum nitrate mixing for 15 minutes under the screw speed of 2000rpm in machine
Silver nitrate concentration is 0.3mol/L, a concentration of 0.003mol/L of lanthanum nitrate in solution；The proportioning of fiber pulp and mixed solution is
100：3 volume ratios.
（3）The fiber pulp of 100 volumes of step 1 and the fermentation mother liquor of 100 volumes are stirred, access 15% wood
Acetobacter, ventilation culture 1-3 days, the microfibril vegetable-fibre slurry for adding in 100 volumes of step 2 stirs evenly, static culture
1-3 days, obtain the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid of 200 mass parts that step 3 is obtained, add in 100 mass parts filler stir evenly after, add
Enter the NaOH solution of the 1-5% of 100 mass parts, be heated to 60-80 DEG C, handle 2 hours, filtering cleans up granulation to get height
Imitate air adsorption material.
Comparative example 1
It is essentially identical with the preparation process of embodiment 1, silver nitrate and lanthanum nitrate are added without in step 2.
Comparative example 2
It is essentially identical with the preparation process of embodiment 1, silver nitrate is added without in step 2.
Comparative example 3
It is essentially identical with the preparation process of embodiment 1, lanthanum nitrate is added without in step 2.
Comparative example 4
It is essentially identical with the preparation process of embodiment 1, microfibril plant fibre slurry liquid is added without in step 3.
Comparative example 5
It is essentially identical with the preparation process of embodiment 1, fiber pulp is added without in step 3.
Comparative example 6
It is essentially identical with the preparation process of embodiment 1, fermentation mother liquor and acetobacter xylinum are added without in step 3, that is, is added without bacterium
Cellulose.
Comparative example 7
It is essentially identical with the preparation process of embodiment 1, filler is added without in step 4.
Comparative example 8
Fiber pulp and filler are mixed in 1 to 1 ratio in step 4, is tested after dry.
The determining adsorption of sorbing material：
Using containing 0.5mg/m3The experimental gas of PM2.5 particles is flowed through with the flow velocity of 0.5m/s fills experiment sorbing material
Filter, the thickness of filter is 0.1m, measures adsorption rate.
According to GB/T 21510-2008《Nano inorganic material anti-microbial property detection method》It is tested, calculates adsorption material
The antibiotic rate of material, test strain are Escherichia coli.
1 measurement result of table
| Implement Example 1 | Implement Example 2 | Implement Example 3 | Implement Example 4 | Comparison Example 1 | Comparison Example 2 | Comparison Example 3 | Comparison Example 4 | Comparison Example 5 | Comparison Example 6 | Comparison Example 7 | Comparison Example 8 | |
| PM2.5 Adsorption rate | 98 | 98 | 95 | 97 | 97 | 97 | 98 | 73 | 61 | 83 | - | 57 |
| Antibiotic rate | 98 | 97 | 95 | 95 | 19 | 56 | 87 | 24 | 89 | 82 | - | 18 |
By comparative example with comparative example it can be found that silver ion and lanthanum ion add killed with synergy by a certain percentage
The effect of bacterium；Filler is not added, product is difficult to be molded, and excessive addition composite fibre, and adsorption efficiency is not significantly carried
It rises；By the fiber composite of different scale, the maximum absorption to PM2.5 is realized.
More than content is it cannot be assumed that present invention specific implementation is confined to these explanations, for the technical field of the invention
Those of ordinary skill for, under the premise of present inventive concept is not departed from, several simple deduction or replace can also be made, all should
When being considered as belonging to present invention scope of patent protection determined by the appended claims.
Claims (9)
1. a kind of preparation method of highly effective air sorbing material, it is characterised in that comprise the steps of：
（1）Liquid concentration is taken off after the slurry of the non-bleached kraft pulp of coniferous tree is carried out refinement treatment, sodium hydroxide is added in concentrate
Solution is mixed, and after being warming up to 80 DEG C of reactions 1 hour, neutralizes and is concentrated into the fiber pulps of 25 weight % concentration；
（2）After the fiber pulp addition silver nitrate and lanthanum nitrate mixed solution of step 1 are sufficiently mixed, add in twin shaft and be kneaded
Defibering obtains microfibril vegetable-fibre slurry under the screw speed of 2000rpm in machine；
（3）The fiber pulp of step 1 with fermentation mother liquor is stirred, accesses acetobacter xylinum, ventilation culture 1-3 days adds in step
Rapid 2 microfibril vegetable-fibre slurry stirs evenly, static culture 1-3 days, obtains the crosslinked colloidal liquid of bacteria cellulose；
（4）In the colloidal liquid that step 3 is obtained, after addition filler stirs evenly, the NaOH solution of 1-5%, heating are added in
It to 60-80 DEG C, handles 1-4 hours, filtering cleans up granulation to get highly effective air sorbing material.
2. the preparation method of highly effective air sorbing material according to claim 1, silver nitrate and lanthanum nitrate wherein in step 2
Silver nitrate concentration is 0.1-0.5mol/L, a concentration of 0.001-0.005mol/L of lanthanum nitrate in mixed solution；Fiber pulp is with mixing
The proportioning for closing solution is 100：1-5 volume ratios.
3. the preparation method of highly effective air sorbing material according to claim 1, the microfibril wherein obtained in step 2 is planted
The avarage fiber diameter of fibres slurry is 100nm-200nm.
4. the preparation method of highly effective air sorbing material according to claim 1, the fibre of bacteria cellulose wherein in step 3
It is 40-60nm to tie up beam average diameter, and the average diameter of single fiber is 4-10nm.
5. the preparation method of highly effective air sorbing material according to claim 1, fermentation mother liquor is 10% wherein in step 3
Carbohydrate raw material, 0.5% ammonium sulfate composition, water is added to dissolve by heating, pH value is adjusted to 4-6, inoculation yeast bacterium, ferment
Female bacterium inoculum concentration is 0.3-0.5%, is fermented, and fermentation temperature is kept for 28-32 DEG C, after cultivating 36-72 hours, using superhigh temperature
Obtained by instantaneous sterilizing.
6. the preparation method of highly effective air sorbing material according to claim 1, the inoculation of acetobacter xylinum wherein in step 3
It measures as 15-20%.
7. the preparation method of highly effective air sorbing material according to claim 1, fiber pulp and fento wherein in step 3
The addition volume ratio of silk vegetable-fibre slurry is 1:1.
8. the preparation method of highly effective air sorbing material according to claim 1, filler is diatom wherein in step 4
Soil, alkaline earth oxide, bentonite, molecular sieve, polymer one or more of mixtures, the matter of colloidal liquid and filler
It measures as 1-2:1.
9. the preparation method of highly effective air sorbing material according to claim 1, colloidal liquid and NaOH wherein in step 4
The mass ratio of solution is 1-2：1.
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| CN111359579A (en) * | 2020-03-31 | 2020-07-03 | 张雨璨 | Preparation method of antibacterial diatomite wall material |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008027530A1 (en) * | 2006-09-01 | 2008-03-06 | Seldon Technologies, Llc | Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same |
| CN103111265A (en) * | 2013-02-27 | 2013-05-22 | 南京工业大学 | Preparation method of adsorbent for removing antibiotics in water, prepared adsorbent and application thereof |
| CN103301815A (en) * | 2012-03-09 | 2013-09-18 | 中原工学院 | Preparation method for bacterial cellulose water ultrafiltration adsorption material |
| CN103846077A (en) * | 2014-03-25 | 2014-06-11 | 紫罗兰家纺科技股份有限公司 | Manufacturing method of novel negative-ion self-cleaning active carbon fiber |
| CN104209092A (en) * | 2014-09-26 | 2014-12-17 | 镇江华域环保设备制造有限公司 | Air adsorbent for plants and preparation method thereof |
| CN106345218A (en) * | 2016-08-30 | 2017-01-25 | 樊之雄 | Antibacterial air purifying material and preparing method thereof |
| CN106508899A (en) * | 2016-08-31 | 2017-03-22 | 安徽东锦服饰有限公司 | Method for preparing fiber composite material having antibacterial function |
-
2018
- 2018-01-22 CN CN201810056901.0A patent/CN108160052B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008027530A1 (en) * | 2006-09-01 | 2008-03-06 | Seldon Technologies, Llc | Nanostructured materials comprising support fibers coated with metal containing compounds and methods of using the same |
| CN103301815A (en) * | 2012-03-09 | 2013-09-18 | 中原工学院 | Preparation method for bacterial cellulose water ultrafiltration adsorption material |
| CN103111265A (en) * | 2013-02-27 | 2013-05-22 | 南京工业大学 | Preparation method of adsorbent for removing antibiotics in water, prepared adsorbent and application thereof |
| CN103846077A (en) * | 2014-03-25 | 2014-06-11 | 紫罗兰家纺科技股份有限公司 | Manufacturing method of novel negative-ion self-cleaning active carbon fiber |
| CN104209092A (en) * | 2014-09-26 | 2014-12-17 | 镇江华域环保设备制造有限公司 | Air adsorbent for plants and preparation method thereof |
| CN106345218A (en) * | 2016-08-30 | 2017-01-25 | 樊之雄 | Antibacterial air purifying material and preparing method thereof |
| CN106508899A (en) * | 2016-08-31 | 2017-03-22 | 安徽东锦服饰有限公司 | Method for preparing fiber composite material having antibacterial function |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111359579A (en) * | 2020-03-31 | 2020-07-03 | 张雨璨 | Preparation method of antibacterial diatomite wall material |
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