CN104437394B - Dual-layer high-amino density plant fiber-based adsorption material and preparation method and application thereof - Google Patents
Dual-layer high-amino density plant fiber-based adsorption material and preparation method and application thereof Download PDFInfo
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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
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
- A01N61/00—Biocides, pest repellants or attractants, or plant growth regulators containing substances of unknown or undetermined composition, e.g. substances characterised only by the mode of action
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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
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- 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
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/3085—Chemical treatments not covered by groups B01J20/3007 - B01J20/3078
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F289/00—Macromolecular compounds obtained by polymerising monomers on to macromolecular compounds not provided for in groups C08F251/00 - C08F287/00
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/30—Introducing nitrogen atoms or nitrogen-containing groups
- C08F8/32—Introducing nitrogen atoms or nitrogen-containing groups by reaction with amines
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G81/00—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers
- C08G81/02—Macromolecular compounds obtained by interreacting polymers in the absence of monomers, e.g. block polymers at least one of the polymers being obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/332—Di- or polyamines
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- D06M14/00—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials
- D06M14/02—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin
- D06M14/04—Graft polymerisation of monomers containing carbon-to-carbon unsaturated bonds on to fibres, threads, yarns, fabrics, or fibrous goods made from such materials on to materials of natural origin of vegetal origin, e.g. cellulose or derivatives thereof
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- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/61—Polyamines polyimines
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/20—Organic adsorbents
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- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/02—Natural fibres, other than mineral fibres
- D06M2101/04—Vegetal fibres
- D06M2101/06—Vegetal fibres cellulosic
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02C—CAPTURE, STORAGE, SEQUESTRATION OR DISPOSAL OF GREENHOUSE GASES [GHG]
- Y02C20/00—Capture or disposal of greenhouse gases
- Y02C20/40—Capture or disposal of greenhouse gases of CO2
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/151—Reduction of greenhouse gas [GHG] emissions, e.g. CO2
Abstract
The invention discloses a dual-layer high-amino density plant fiber-based adsorption material and a preparation method and an application thereof. The dual-layer high-amino density plant fiber-based adsorption material is prepared from plant fibers as a matrix, particularly comprising bagasse, bamboo shoot powder, corncob powder, sisal hemp, straws, or cotton fibers and the like and is prepared by the following steps: alkali pretreatment, grafting reaction, amination, addition reaction and PEI amide substitution reaction. The fiber-based adsorption material disclosed by the invention has the high thermal stability and chemical stability, and has the high adsorption capacity and the good adsorption trapping property on acid gas, and can be applied to the field of adsorption trapping of CO2 in flue gas; meanwhile, the material also has the good antibacterial property, can be applied to the field of wood-plastic materials, is capable of preventing wood fibers from mildewing, and also has a good application prospect in other field of antibiosis; and the adsorption material after being subjected to gas adsorption can be regenerated through thermal desorption, so that the material is a recycled adsorption material.
Description
Technical field
The invention belongs to adsorbing material technical field.More particularly, to the double-deck high amino density plant fiber-based of one kind
Adsorbing material and its preparation method and application.
Background technology
Greenhouse effect has become one of environmental problem of most serious of facing mankind.As the main composition of greenhouse gases,
CO2Content more and more higher in an atmosphere, this also makes CO2Reduction of discharging become this area research emphasis, CO2Capture with
Plugging Technology Applied（CCS）Become the hot subject studied in the world in recent years.As separation and enrichment CO2Solid adsorbent it
One, solid amine absorption agent is to CO2There is high selectivity, and be difficult to be disturbed by water or other gases, can be in relatively wide temperature
It is used for CO in degree scope and pressure limit2Enrichment.And the solid amine fiber with fiber as matrix, have high-adsorption-capacity, follow
The advantages of ring regenerability is excellent, raw material sources are extensive, has a wide range of applications in gas separation field.
For modified solid amine absorption agent, adsorbent has different alkalescence, and adsorption capacity and amino utilization ratio
Reduce with the reduction of basicity.The basicity of material plays decisive role to its absorption property as can be seen here：On the one hand, alkali
The increase of property is conducive to the raising of material adsorption capacity；On the other hand, the lower material of alkalescence, its desorption rate is faster.Also
It is to say under identical adsorption conditionses, the solid amine absorption material containing primary amine is to CO2The fast rate of adsorption and relatively high-adsorption-capacity,
But desorption just becomes more difficult than secondary amine and tertiary amine.Therefore can be carried by several functions amido reagent is loaded on matrix simultaneously
The adsorption capacity of high material, wherein, the solid amine absorption material of carried polymer amount amine compound such as PEI, amino density is high,
The absorption property of material can be effectively improved, but its absorption property may be subject to average-size, degree of branching of PEI strand etc.
Impact.This is longer mainly due to polymer molecular chain, presence of easily uniting in preparation process, is just more difficult to be distributed in matrix；
The degree of branching is bigger, CO2Diffusion on the adsorbent material and resistance to mass tranfer are also bigger.Therefore, on same matrix and load capacity phase
In the case of same, load the adsorption capacity of PEI gained adsorbing material and amino efficiency may be not as the adsorption material of load TEPA
Material.How while ensureing high amino density, do not reduce amino efficiency and adsorption capacity, then become is particularly important.
On the other hand, China belongs to large agricultural country, has substantial amounts of agricultural wastes urgently to process recovery every year.At these
In agricultural wastes, comprise substantial amounts of cellulose fibre, these natural cellulose fibres, compared with other synthetic fibers, have
Wide material sources, the features such as cheap, density is little, degradable reclaims.Moreover, these cellulose fibres due to surface thick
Rough, thing, change the inhomogeneity of structure it is expected to be used for various adsorbing material fields.In recent years, substantial amounts of research is also had to be applied
In fields such as printing and dyeing industry, heavy metal ion adsorbed, Industrial Wastewater Treatment.There are no at present and these Plant fiber are applied to temperature
The research of room gas absorption and report.
Content of the invention
The technical problem to be solved in the present invention is to overcome existing CO2Deng the deficiency of gas-adsorption technique, provide one kind to plant
Plant fiber's adsorbing material of the bilayer high amino density that fibres are prepared as matrix, realizes agricultural wastes are filled
Point, rationally utilize, reduce the deficiencies such as current absorbent fields high cost, raw material sources are few, and pass through to connect on limited matrix
The steps such as branch, amination, improve amino density, effectively improve material to CO2Deng the absorption property of sour gas, realize such bilayer
High amino density Plant fiber's adsorbing material is in the efficient application of adsorbing domain.
The present invention another object is that the preparation method of the Plant fiber's adsorbing material providing above-mentioned double-deck high amino density.
Still a further object of the present invention is the application of the Plant fiber's adsorbing material providing above-mentioned double-deck high amino density.
Above-mentioned purpose of the present invention is achieved through the following technical solutions：
The invention provides a kind of double-deck high amino density Plant fiber's adsorbing material, it is with Plant fiber as matrix,
Sequentially pass through oxygenation pretreatment, graft reaction, aminating reaction, additive reaction, PEI amide substitution reaction prepare.This adsorption material
The heat decomposition temperature of material, more than 300 DEG C, has excellent acid gas adsorption trapping performance and excellent anti-microbial property；This suction
Enclosure material, after adsorbed gas, can regenerate through thermal desorption, after circular regeneration 10 times, to carbon dioxide and/or sulfur dioxide
, still up to more than 90%, regeneration efficiency is more than 93% for resolution factor.
Wherein it is preferred to, described Plant fiber is bagasse, Radix Crotalariae szemoensis powder, maize cob meal, Folium Agaves Sisalanae, straw or cotton fiber.Plant
Fiber surface has substantial amounts of hydroxyl reaction group, can carry out functionalization further.
The present invention is also by a kind of preparation method of above-mentioned double-deck high amino density Plant fiber's adsorbing material, step
As follows：
S1. oxygenation pretreatment：Plant fiber is placed in ultrasonic vibration in NaOH aqueous solution process, dries；
S2. graft reaction：Plant fiber after oxygenation pretreatment is mixed with unsaturated grafted monomers solution, adds initiator
H2O2With ferrous sulfate amine aqueous solution, carry out graft reaction, obtain graft fibres；
S3. aminating reaction：Add polyamines in graft fibres, carry out aminating reaction, obtain monolayer amino plant fiber-based
Material；
S4. additive reaction：Monolayer amino plant fiber-based material is mixed with unsaturated grafted monomers solution, supersound process
Afterwards, carry out additive reaction（Michael additive reaction）, obtain the monolayer amino plant fiber-based material after addition；
S5.PEI amide substitution reaction：By the monolayer amino plant fiber-based material after addition and polyethyleneimine（PEI）
Mixing, carries out amide substitution reaction, obtains double-deck high amino density Plant fiber's adsorbing material.
Preferably, oxygenation pretreatment described in step S1 is specifically：
S11. Plant fiber is placed in 10～20wt% NaOH aqueous solution, 100～400W ultrasonic vibration processes 1～2h；
S12., after supersound process, soak 10～24h in 50 DEG C；
S13. incline solution, and gained fiber washes with water repeatedly to neutral, 60 DEG C of drying.
Described Plant fiber is bagasse, Radix Crotalariae szemoensis powder, maize cob meal, Folium Agaves Sisalanae, straw or cotton fiber.
Preferably, graft reaction described in step S2 is specifically：
S21. it is 1 according to the weight of Plant fiber after oxygenation pretreatment with the ratio of the volume of unsaturated grafted monomers solution:
10～1:50, both are mixed；The concentration of described unsaturation grafted monomers solution is 2～20wt%；
S22. according to H2O2Volume ratio with unsaturated grafted monomers solution is 0.2:100～2:100, after mixing to S21
Initiator H is added in solution2O2；
S23. the volume ratio according to ferrous sulfate amine aqueous solution and unsaturated grafted monomers solution is 1:5, after processing to S22
Ferrous sulfate amine aqueous solution is added in solution；The concentration of described ferrous sulfate amine is 1 × 10-3～1 × 10-1g/mL；
S24., after reaction 1～24h under the conditions of 30～80 DEG C, embathe sucking filtration 2～5 times with ethanol, then wash sucking filtration 2 with water logging
～5 times, remove homopolymer, 60 DEG C of vacuum dryings, obtain graft fibres.
Preferably, aminating reaction described in step S3 is specifically：
S31. according to polyamines and graft fibres weight than for 2:1～100:1, graft fibres add polyamines；
S32. react 6～10h under the conditions of 100～150 DEG C, washed repeatedly with water logging（2～5 times）, finally use alcohol flushing,
Sucking filtration, 60 DEG C of drying, obtain monolayer amino plant fiber-based material.
Preferably, additive reaction described in step S4 is specifically：
S41. according to the ratio of weight and the volume of unsaturated grafted monomers solution of monolayer amino plant fiber-based material
For 1:10～1:60, both are mixed, the concentration of described unsaturation grafted monomers solution is 5～50wt%；
S42., after processing 1～2h under 100～400W ultrasound condition, in 10～60 DEG C of water-baths, continue reaction 1～24h,
Make fiber that Michael addition reaction to occur（Michael additive reaction）；
S43. washed repeatedly with water logging（2～5 times）, finally use alcohol flushing, sucking filtration, 60 DEG C of drying, obtain the list after addition
Layer amino plant fiber-based material.
Preferably, PEI amide substitution reaction described in step S5 is specifically：
S51. according to weight and the polyethyleneimine of the monolayer amino plant fiber-based material after addition（PEI）Volume
Ratio is 1:5～1:60, both are mixed, the concentration of described polyethyleneimine is 5～15wt%；
S52. react 10～48h at 20～60 DEG C, make fiber and polyethyleneimine carry out amide substitution reaction；
S53. washing with alcohol removes unnecessary polyethyleneimine, sucking filtration, 60 DEG C of drying, obtains double-deck high amino density plant fine
Wiki adsorbing material.
Furthermore it is preferred that above-mentioned unsaturated grafted monomers solution is：Acrylamide solution, methyl acrylate solution, third
Alkene nitrile solution, acrylic acid solution or glycidyl methacrylate solution.
Above-mentioned polyamines is ethylenediamine, diethylamine, diethylenetriamine, triethylene tetramine, TEPA or five ethylene six
Amine.
The present invention also provides above-mentioned double-deck high amino density Plant fiber's adsorbing material in terms of absorbing acid gases
Application, is particularly applied to CO2And/or SO2Absorption.
In addition, the present invention also provide above-mentioned double-deck high amino density Plant fiber's adsorbing material in Wood-plastic material antibacterial or
Prevent the wood fiber from going mouldy the application of aspect.Preferably it is applied to anti-Staphylococcus aureus, escherichia coli or Candida albicans.
The present invention attempts for natural, reproducible Plant fiber being used for CO first2Adsorption and enrichment field, prepares plant fine
Wiki adsorbing material；And according to CO2The requirement of absorption, for the characteristic of Plant fiber, is carried out to the preparation technology of adsorbing material
Optimize and innovate, first with Plant fiber as matrix, sequentially pass through oxygenation pretreatment, graft reaction, aminating reaction, obtain monolayer
Amino plant fiber-based material；Be re-introduced into additive reaction and PEI amide substitution reaction, by with acrylamide, acrylic acid methyl ester.,
The unsaturation grafted monomers solution such as acrylonitrile, acrylic or methacrylic acid glycidyl ester carries out Michael additive reaction, then
Carry out amide substitution reaction with PEI, finally give a kind of double-deck high amino density Plant fiber's adsorbing material；This adsorbing material
Not only there is to sour gas excellent adsorbing and trapping performance, also there is excellent anti-microbial property, and be that one kind is capable of circulation again
Raw environmental-protection adsorption material, application prospect is extensive.
The invention has the advantages that：
The invention discloses a kind of Plant fiber's adsorbing material of double-deck high amino density and its preparation method and application.
This double-deck high amino density Plant fiber's adsorbing material is with Plant fiber as matrix, through oxygenation pretreatment, graft reaction, amine
Change reaction, additive reaction, PEI amide substitution reaction prepare.Plant fiber used be natural, reproducible bagasse,
Radix Crotalariae szemoensis powder, maize cob meal, Folium Agaves Sisalanae, straw or cotton fiber etc., environmental protection, and reduces cost from raw material, are not giving global atmosphere
On the premise of causing secondary pollution, it is CO2Separation and concentration provide certain technical support, these Plant fiber are applied to
The absorption of greenhouse gases, has great importance.
Meanwhile, the branched structure that increased similar PEI that the present invention is suitable, the bilayer preparing high amino density
Plant fiber's adsorbing material, increase amino density while, also can improve adsorption capacity and amino efficiency.This adsorption material
Material has good adsorption capacity and good adsorbing and trapping performance to sour gas, can be used for CO in flue gas2Absorption catch
Collection field, to CO2Adsorption capacity in 2.0mmol CO2/ more than g；To SO2Adsorption capacity in more than 100mg/g.
In addition, Plant fiber's adsorbing material of the present invention not only has good absorption property, also there is good resisting
Bacterium performance, to the antibiotic rate of staphylococcus aureuses more than 98.3%, to colibacillary antibiotic rate more than 96.4%, dialogue
The antibiotic rate of color candidiasises is more than 95.6%.Can be applicable to Wood-plastic material field, for preventing the wood fiber from going mouldy, lifting is wooden
The quality of moulding material, has important application prospect.Also have a good application prospect in other antibacterial fields.
The heat decomposition temperature of the fiber adsorbing material of the present invention, more than 300 DEG C, has high heat stability, chemistry surely
Qualitative.And this adsorbing material is after adsorbed gas, can regenerate through thermal desorption, after regeneration 10 times, carbon dioxide and titanium dioxide
, still up to more than 90%, more than 93%, regenerability is good, is a kind of recyclable regenerative environmental protection for regeneration efficiency for the resolution factor of sulfur
Adsorbing material.
Brief description
Fig. 1 is the double-deck high amino density fiber adsorbing material of bagasse base thermal weight loss situation under a nitrogen.
Specific embodiment
To further illustrate the present invention below in conjunction with Figure of description and specific embodiment, but embodiment is not to the present invention
Limit in any form.Unless stated otherwise, the reagent that the present invention adopts, method and apparatus are the conventional examination of the art
Agent, method and apparatus.
Unless stated otherwise, agents useful for same of the present invention and material be commercial.
Embodiment 1
1st, with bagasse fibre as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：After bagasse fibre is pulverized, in immersion 20wt% NaOH aqueous solution, put into ultrasonic wave concussion
In reactor, process 1.5h under conditions of ultrasonic power 100W, after supersound process terminates, take out under 50 DEG C of temperature conditionss
Soak 24h, incline solution, gained fiber washes with water repeatedly to neutral, in 60 DEG C of baking oven vacuum drying, to constant weight.
（2）Graft reaction：By step（1）Middle gained bagasse fibre is mixed with 10wt% acrylamide, controls bagasse fine
The ratio of the volume of the weight of dimension and acrylamide is 1:50, after mix homogeneously, add 30v/v% H2O2With 2 × 10-2G/mL sulfur
Acid ferrous iron amine aqueous solution；H2O2The volume required volume ratio with acrylamide is 0.8:100, ferrous sulfate amine aqueous solution is volume required
Volume ratio with acrylamide is 1:5；After back flow reaction 4h at 60 DEG C, embathe sucking filtration 3 times with ethanol, then washed with water logging and take out
Filter 3 times, is vacuum dried in 60 DEG C of baking ovens, to constant weight, obtains bagasse base graft fibres.
（3）Aminating reaction：In step（2）Triethylene tetramine, graft fibres are added in middle gained bagasse base graft fibres
The ratio of weight and the volume of triethylene tetramine be 1:100.Mixture reacts 8h under the conditions of 130 DEG C.Reaction uses water after terminating
Embathe several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried.Obtain bagasse base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained bagasse base monolayer amino fibre material and 5wt% acrylamide solution
Mixing, the ratio of the weight of control bagasse base monolayer amino fibre material and the volume of acrylamide solution is 1:60, put into
In ultrasonic wave concussion reactor, process 2h under conditions of ultrasonic power 400W, supersound process is taken out after terminating, and continues in a water bath
Continuous reaction, the response time is 1h, and reaction temperature is 60 DEG C, makes fiber that Michael additive reaction to occur, reaction uses water logging after terminating
Wash several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried, obtain the bagasse base monolayer amino after addition
Fibrous material.
（5）PEI amide substitution reaction：By step（4）Bagasse base monolayer amino fibre material after middle gained addition with
Policapram（PEI）Mixing, after controlling addition, the weight of bagasse base monolayer amino fibre material and the ratio of PEI volume are 1:
40, PEI concentration is 7wt%, and the response time is 12h, and reaction temperature is 60 DEG C, makes fiber carry out amide with polyamines reagent PEI and take
Generation reaction, after reaction terminates, washing with alcohol removes unnecessary polyamines reagent, sucking filtration, is placed in 60 DEG C of baking ovens and is dried, obtains bagasse
The double-deck high amino density fiber adsorbing material of base.
2nd, through detection, the double-deck high amino density fiber adsorbing material of bagasse base thermal weight loss situation under a nitrogen is such as
Shown in accompanying drawing 1.Accompanying drawing 1 can be seen that the double-deck high amino density fiber of bagasse base had slight weightlessness before 100 DEG C, this
Mainly due to fiber surface to water, CO2Deng physical absorption, 100 DEG C of bagasse base double-deck high amino density fibers afterwards
Weight keeps stable, and to up to 230 DEG C about, the double-deck high amino density fiber of bagasse base occurs significantly weightless.It is believed that
The amination of the double-deck high amino density fiber of bagasse base, graft product start to degrade, and to 350 DEG C about, fibrous matrix starts to drop
Solution, is overlapped with the former weightless section.The double-deck high amino density fiber adsorbing material of gained bagasse base can be protected substantially
Hold heat stability at 200 DEG C about.In other words, the feelings of adsorbing material degraded, when adsorbing material uses at 200 DEG C, will not occur
Condition.Can be used for CO in conventional flue gas2Adsorbing separation enrichment.
3rd, through measuring, the double-deck high amino density fiber adsorbing material of above-mentioned bagasse base is to CO2Adsorption capacity be
7.42 mmol CO2/ g, to SO2Adsorption capacity be 103 mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 90% of sulfur dioxide, regeneration efficiency is 93%.
The double-deck high amino density fiber adsorbing material of bagasse base is 98.3% to the antibiotic rate of staphylococcus aureuses,
It is 96.4% to colibacillary antibiotic rate, the antibiotic rate to Candida albicans is 95.6%.
Embodiment 2
1st, with stalk fibre as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：After stalk fibre is pulverized, in immersion 10wt% NaOH aqueous solution, put into ultrasonic wave concussion anti-
Answer in device, under conditions of ultrasonic power 400W, process 1h, after supersound process terminates, take out and soak under 50 DEG C of temperature conditionss
10h, incline solution, and gained fiber washes with water, repeatedly to neutral, in 60 DEG C of baking oven vacuum drying, to constant weight.
（2）Graft reaction：By step（1）Middle gained stalk fibre is mixed with 2wt% methyl methacrylate, controls straw
The ratio of the volume of the weight of fiber and methyl methacrylate is 1:10, after mix homogeneously, add 30v/v% H2O2With 1 ×
10-3G/mL ferrous sulfate amine aqueous solution；H2O2The volume required volume ratio with methyl methacrylate is 0.2:100, sulphuric acid is sub-
The volume required volume ratio with methyl methacrylate of sideramines solution is 1:5；After back flow reaction 24h at 30 DEG C, use ethanol
Embathe sucking filtration 4 times, then wash sucking filtration 4 times with water logging, be vacuum dried in 60 DEG C of baking ovens, to constant weight, obtain straw base graft fibres.
（3）Aminating reaction：In step（2）Diethylenetriamine is added in middle gained straw base graft fibres, graft fibres
Weight is 1 with the ratio of the volume of diethylenetriamine:10.Mixture reacts 10h under the conditions of 100 DEG C.Reaction uses water logging after terminating
Wash several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried.Obtain straw base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained straw base monolayer amino fibre material and 50wt% acrylamide solution
Mixing, the ratio of the weight of control straw base monolayer amino fibre material and the volume of acrylamide solution is 1:10, put into super
In sound wave shock reactor, process 1h under conditions of ultrasonic power 100W, supersound process is taken out after terminating, and continues in a water bath
Reaction, the response time is 24h, and reaction temperature is 10 DEG C, makes fiber that Michael additive reaction to occur, reaction uses water logging after terminating
Wash several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried, obtain the straw base monolayer amino after addition fine
Dimension material.
（5）PEI amide substitution reaction：By step（4）Straw base monolayer amino fibre material after middle gained addition and PEI
Mixing, after controlling addition, the weight of straw base monolayer amino fibre material and PEI volume ratio are 1:5, PEI concentration is 5 wt
%, the response time is 10h, and reaction temperature is 60 DEG C, makes fiber and polyamines reagent PEI carry out amide substitution reaction, reaction terminates
Afterwards, washing with alcohol removes unnecessary polyamines reagent sucking filtration, is placed in 60 DEG C of baking ovens and is dried, and obtains the double-deck high amino density of straw base fine
Wiki adsorbing material.
2nd, through measuring, the double-deck high amino density fiber adsorbing material of above-mentioned straw base is to CO2Adsorption capacity be
2.0mmol CO2/g.To SO2Adsorption capacity be 100mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 93% of sulfur dioxide, regeneration efficiency is 95%.
The double-deck high amino density fiber adsorbing material of straw base is 98.7% to the antibiotic rate of staphylococcus aureuses, right
Colibacillary antibiotic rate is 96.9%, and the antibiotic rate to Candida albicans is 95.7%.
Embodiment 3
1st, with Folium Agaves Sisalanae fibril as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：By Folium Agaves Sisalanae fibril be cut into about 2-4cm about segment, immerse 20wt% NaOH aqueous solution
In, put in ultrasonic wave concussion reactor, under conditions of ultrasonic power 300W process 2h, after supersound process terminates, take out in
20h is soaked, incline solution, and gained fiber washes with water, repeatedly to neutral, in 60 DEG C of baking oven vacuum under 50 DEG C of temperature conditionss
It is dried, to constant weight.
（2）Graft reaction：By step（1）Middle gained Folium Agaves Sisalanae fibril is mixed with 20wt% acrylic acid methyl ester., controls Folium Agaves Sisalanae former
The ratio of the volume of the weight of fiber and acrylic acid methyl ester. is 1:50, after mix homogeneously, add 30% H2O2With 1 × 10-1g/mL
Ferrous sulfate amine aqueous solution；H2O2The volume required volume ratio with acrylic acid methyl ester. is 2:100, ferrous sulfate amine aqueous solution desired body
The long-pending volume ratio with acrylic acid methyl ester. is 1:5；After back flow reaction 1h at 80 DEG C, embathe sucking filtration 5 times with ethanol, then use water logging
Wash sucking filtration 5 times, be vacuum dried in 60 DEG C of baking ovens, to constant weight, obtain Folium Agaves Sisalanae base graft fibres.
（3）Aminating reaction：In step（2）Ethylenediamine, the weight of graft fibres is added in middle gained Folium Agaves Sisalanae base graft fibres
Ratio with the volume of ethylenediamine is 1:2.Mixture reacts 6h under the conditions of 150 DEG C.Reaction is washed several times with water logging, after terminating
Use alcohol flushing, sucking filtration afterwards, be placed in 60 DEG C of baking ovens and be dried.Obtain Folium Agaves Sisalanae base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained Folium Agaves Sisalanae base monolayer amino fibre material and 15%wt methylpropionic acid methyl esters
Solution mixes, and the ratio of the weight of control Folium Agaves Sisalanae base monolayer amino fibre material and the volume of methyl methacrylate solution is 1:
100, put in ultrasonic wave concussion reactor, process 2h under conditions of ultrasonic power 300W, supersound process is taken out after terminating,
Continue reaction in water-bath, the response time is 24h, reaction temperature is 70 DEG C, make fiber that Michael additive reaction, reaction knot to occur
Shu Houyong water logging is washed several times, finally uses alcohol flushing, sucking filtration, is placed in 60 DEG C of baking ovens and is dried, obtains the Folium Agaves Sisalanae base after addition
Monolayer amino fibre material.
（5）PEI amide substitution reaction：By step（4）Folium Agaves Sisalanae base monolayer amino fibre material after middle gained addition and PEI
Mixing, after controlling addition, the weight of Folium Agaves Sisalanae base monolayer amino fibre material and PEI volume ratio are 1:60, PEI concentration is 15
Wt %, the response time is 48h, and reaction temperature is 20 DEG C, makes fiber and PEI carry out amide substitution reaction, after reaction terminates, ethanol
Washing removes unnecessary polyamines reagent sucking filtration, is placed in 60 DEG C of baking ovens and is dried, and obtains the double-deck high amino density fiber base of Folium Agaves Sisalanae base and inhales
Enclosure material.
2nd, through measuring, the double-deck high amino density fiber adsorbing material of above-mentioned Folium Agaves Sisalanae base is to CO2Adsorption capacity be
3.22 mmol CO2/ g, to SO2Adsorption capacity be 106 mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 95% of sulfur dioxide, regeneration efficiency is 98%.
The double-deck high amino density fiber adsorbing material of Folium Agaves Sisalanae base is 98.6% to the antibiotic rate of staphylococcus aureuses, right
Colibacillary antibiotic rate is 96.5%, and the antibiotic rate to Candida albicans is 96.0%.
Embodiment 4
1st, with cotton fiber as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：After cotton fiber is shredded, in immersion 20wt% NaOH aqueous solution, put into ultrasonic wave concussion reaction
In device, under conditions of ultrasonic power 300W, process 1.5h, after supersound process terminates, take out and soak under 50 DEG C of temperature conditionss
24h, incline solution, and gained fiber washes with water, repeatedly to neutral, in 60 DEG C of baking oven vacuum drying, to constant weight.
（2）Graft reaction：By step（1）Middle gained cotton fiber is mixed with 10wt% acrylic acid, control cotton fiber weight with
The ratio of acrylic acid volume is 1:40, after mix homogeneously, add 30% H2O2With 5 × 10-3G/mL ferrous sulfate amine aqueous solution；
H2O2Volume required is 1 with acrylic acid volume ratio:100, ferrous sulfate amine aqueous solution volume required with acrylic acid volume ratio
For 1:5；After back flow reaction 15h at 70 DEG C, embathe sucking filtration 3 times with ethanol, then wash sucking filtration 3 times with water logging, true in 60 DEG C of baking ovens
Empty dry, to constant weight, obtain cotton fibre base graft fibres.
（3）Aminating reaction：In step（2）Pentaethylene hexamine is added in middle gained cotton fibre base graft fibres, graft fibres
Weight is 1 with the ratio of the volume of pentaethylene hexamine:40.Mixture reacts 8h under the conditions of 120 DEG C.Reaction is washed with water logging after terminating
Several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried.Obtain cotton fibre base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained cotton fibre base monolayer amino fibre material is mixed with 15wt% acrylic acid solution
Close, the ratio of the weight of control cotton fibre base monolayer amino fibre material and the volume of acrylic acid solution is 1:50, put into ultrasound wave
In concussion reaction device, process 1h under conditions of ultrasonic power 400W, supersound process is taken out after terminating, continue anti-in a water bath
Should, the response time is 15h, and reaction temperature is 50 DEG C, makes fiber that Michael additive reaction to occur, reaction is washed with water logging after terminating
Several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried, obtain the fibre base monolayer amino fibre of the cotton after addition
Material.
（5）PEI amide substitution reaction：By step（4）Cotton fibre base monolayer amino fibre material after middle gained addition and PEI
Mixing, after controlling addition, the weight of cotton fibre base monolayer amino fibre material and PEI volume ratio are 1:40, PEI concentration is 10
Wt %, the response time is 15h, and reaction temperature is 60 DEG C, makes fiber and polyamines reagent PEI carry out amide substitution reaction, reaction knot
Shu Hou, washing with alcohol removes unnecessary polyamines reagent sucking filtration, is placed in 60 DEG C of baking ovens and is dried, and obtains the double-deck high amino density of cotton fibre base
Fiber adsorbing material.
2nd, through measuring, the double-deck high amino density fiber adsorbing material of the fine base of above-mentioned cotton is to CO2Adsorption capacity be
6.11 mmol CO2/ g, to SO2Adsorption capacity be 100mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 90% of sulfur dioxide, regeneration efficiency is 93%.
The double-deck high amino density fiber adsorbing material of cotton fibre base is 99.0% to the antibiotic rate of staphylococcus aureuses, right
Colibacillary antibiotic rate is 96.9%, and the antibiotic rate to Candida albicans is 95.9%.
Embodiment 5
1st, with Radix Crotalariae szemoensis powder as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：Just in Radix Crotalariae szemoensis powder immersion 20wt% NaOH aqueous solution, put in ultrasonic wave concussion reactor,
Process 1.5h under conditions of ultrasonic power 200W, after supersound process terminates, take out immersion 20h under 50 DEG C of temperature conditionss, incline
Remove solution, gained Radix Crotalariae szemoensis powder washes with water, repeatedly to neutral, in 60 DEG C of baking oven vacuum drying, to constant weight.
（2）Graft reaction：By step（1）Middle gained Radix Crotalariae szemoensis powder fiber is mixed with 8wt% acrylic acid, controls the weight of Radix Crotalariae szemoensis powder fiber
Amount is 1 with the ratio of acrylic acid volume:50, after mix homogeneously, add 30% H2O2With 1.5 × 10-2G/mL ferrous sulfate amine
Solution；H2O2Volume required is 0.6 with acrylic acid volume ratio:100, ferrous sulfate amine aqueous solution is volume required and acrylic acid
Volume ratio is 1:5；After back flow reaction 20h at 40 DEG C, embathe sucking filtration 3 times with ethanol, then wash sucking filtration 5 times with water logging, 60
The vacuum drying of DEG C baking oven, to constant weight, obtains Radix Crotalariae szemoensis powder base graft fibres.
（3）Aminating reaction：In step（2）TEPA is added in middle gained Radix Crotalariae szemoensis powder base graft fibres, graft fibres
Weight is 1 with the ratio of the volume of TEPA:50.Mixture reacts 8h under the conditions of 130 DEG C.Reaction is washed with water logging after terminating
Several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried.Obtain Radix Crotalariae szemoensis powder base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained Radix Crotalariae szemoensis powder base monolayer amino fibre material and 20%wt acrylamide solution
Mixing, the ratio of the weight of control Radix Crotalariae szemoensis powder base monolayer amino fibre material and the volume of acrylamide solution is 1:50, put into super
In sound wave shock reactor, process 1h under conditions of ultrasonic power 400W, supersound process is taken out after terminating, and continues in a water bath
Reaction, the response time is 8h, and reaction temperature is 70 DEG C, makes fiber that Michael additive reaction to occur, reaction is washed with water logging after terminating
Several times, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried, obtain the Radix Crotalariae szemoensis powder base monolayer amino fibre after addition
Material.
（5）PEI amide substitution reaction：By step（4）Radix Crotalariae szemoensis powder base monolayer amino fibre material after middle gained addition and PEI
Mixing, after controlling addition, the weight of Radix Crotalariae szemoensis powder base monolayer amino fibre material and PEI volume ratio are 1:40, PEI concentration is 7
Wt %, the response time is 12h, and reaction temperature is 60 DEG C, makes fiber and PEI carry out amide substitution reaction, after reaction terminates, ethanol
Washing removes unnecessary polyamines reagent sucking filtration, is placed in 60 DEG C of baking ovens and is dried, and obtains the double-deck high amino density fiber base of Radix Crotalariae szemoensis powder base and inhales
Enclosure material.
2nd, through measuring, the double-deck high amino density fiber adsorbing material of above-mentioned Radix Crotalariae szemoensis powder base is to CO2Adsorption capacity be
2.56 mmol CO2/ g, to SO2Adsorption capacity be 106mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 92% of sulfur dioxide, regeneration efficiency is 95%.
The double-deck high amino density fiber adsorbing material of Radix Crotalariae szemoensis powder base is 98.4% to the antibiotic rate of staphylococcus aureuses, right
Colibacillary antibiotic rate is 96.4%, and the antibiotic rate to Candida albicans is 95.9%.
Embodiment 6
1st, with corn cob fiber as matrix, prepare adsorbing material, step is as follows：
（1）Oxygenation pretreatment：Just corn cob fiber is pulverized, and in immersion 15wt% NaOH aqueous solution, puts into ultrasonic wave concussion
In reactor, under conditions of ultrasonic power 400W, process 1h, after supersound process terminates, take out leaching under 50 DEG C of temperature conditionss
Bubble 10h, incline solution, and gained corn cob washes with water, repeatedly to neutral, in 60 DEG C of baking oven vacuum drying, to constant weight.
（2）Graft reaction：By step（1）Middle gained corn cob fiber is mixed with 20wt% acrylonitrile, controls corn cob fiber
Weight and acrylonitrile volume ratio be 1:40, after mix homogeneously, add 30% H2O2With 8 × 10-3G/mL ferrous sulfate
Amine aqueous solution；H2O2The volume required volume ratio with acrylonitrile is 0.8:100, ferrous sulfate amine aqueous solution is volume required and acrylonitrile
Volume ratio be 1:5；After back flow reaction 24h at 70 DEG C, embathe sucking filtration 5 times with ethanol, then wash sucking filtration 4 times with water logging,
60 DEG C of baking oven vacuum drying, to constant weight, obtain corn cob base graft fibres.
（3）Aminating reaction：In step（2）Diethylamine, the weight of graft fibres is added in middle gained corn cob base graft fibres
Amount is 1 with the ratio of the volume of diethylamine:40.Mixture reacts 4h under the conditions of 100 DEG C.Reaction is washed some with water logging after terminating
Secondary, finally use alcohol flushing, sucking filtration, be placed in 60 DEG C of baking ovens and be dried.Obtain corn cob base monolayer amino fibre material.
（4）Additive reaction：By step（3）Middle gained corn cob base monolayer amino fibre material and 20%wt acrylic acid methyl ester.
Solution mixes, and the ratio of the weight of control corn cob base monolayer amino fibre material and the volume of methyl acrylate solution is 1:
30, put in ultrasonic wave concussion reactor, process 1h under conditions of ultrasonic power 400W, supersound process is taken out after terminating,
Continue reaction in water-bath, the response time is 20h, reaction temperature is 70 DEG C, make fiber that Michael additive reaction, reaction knot to occur
Shu Houyong water logging is washed several times, finally uses alcohol flushing, sucking filtration, is placed in 60 DEG C of baking ovens and is dried, obtains the corn cob after addition
Base monolayer amino fibre material.
（5）PEI amide substitution reaction：By step（4）Corn cob base monolayer amino fibre material and PEI after middle gained addition
Mixing, after controlling addition, the weight of corn cob base monolayer amino fibre material and PEI volume ratio are 1:50, PEI concentration is
15 wt %, the response time is 48h, and reaction temperature is 60 DEG C, makes fiber and PEI carry out amide substitution reaction, after reaction terminates,
Washing with alcohol removes unnecessary polyamines reagent sucking filtration, is placed in 60 DEG C of baking ovens and is dried, and obtains the double-deck high amino density of corn cob base fine
Wiki adsorbing material.
2nd, through measuring, the double-deck high amino density fiber adsorbing material of above-mentioned corn cob base is to CO2Adsorption capacity be
4.25 mmol CO2/ g, to SO2Adsorption capacity be 105mg SO2/g.
After circular regeneration 10 times, carbon dioxide, the resolution factor 93% of sulfur dioxide, regeneration efficiency is 96%.
The double-deck high amino density fiber adsorbing material of corn cob base is 99.1% to the antibiotic rate of staphylococcus aureuses,
It is 97.1% to colibacillary antibiotic rate, the antibiotic rate to Candida albicans is 95.6%.
Claims (4)
1. a kind of double-deck high amino density Plant fiber's adsorbing material is it is characterised in that prepared by following preparation method：
S1. oxygenation pretreatment：
S11. Plant fiber is placed in 10～20wt% NaOH aqueous solution, 100～400W ultrasonic vibration processes 1～2h；
S12., after supersound process, soak 10～24h in 50 DEG C；
S13. incline solution, and gained fiber is washed with water to neutrality, 60 DEG C of drying；
Described Plant fiber is bagasse, Radix Crotalariae szemoensis powder, maize cob meal, Folium Agaves Sisalanae, straw or cotton fiber；
S2. graft reaction：
S21. it is 1 according to the weight of Plant fiber after oxygenation pretreatment with the ratio of the volume of unsaturated grafted monomers solution:10～
1:50, both are mixed；The concentration of described unsaturation grafted monomers solution is 2～20wt%；
S22. according to H2O2Volume ratio with unsaturated grafted monomers solution is 0.2:100～2:100, the solution after mixing to S21
Middle addition initiator H2O2；
S23. the volume ratio according to ferrous sulfate amine aqueous solution and unsaturated grafted monomers solution is 1:5, the solution after processing to S22
Middle addition ferrous sulfate amine aqueous solution；The concentration of described ferrous sulfate amine aqueous solution is 1 × 10-3～1 × 10-1g/mL；
S24., after reaction 1～24h under the conditions of 30～80 DEG C, embathe sucking filtration 2～5 times with ethanol, then wash sucking filtration 2～5 with water logging
Secondary, 60 DEG C of vacuum dryings, obtain graft fibres；
Described unsaturation grafted monomers solution be：Acrylamide solution, methyl acrylate solution, acrylonitrile solution, acrylic acid are molten
Liquid or glycidyl methacrylate solution；S3. aminating reaction：
S31. according to polyamines and graft fibres weight than for 2:1～100:1, graft fibres add polyamines；
S32. under the conditions of 100～150 DEG C react 6～10h, washed 2～5 times with water logging, then use alcohol flushing, sucking filtration, 60 DEG C dry
Dry, obtain monolayer amino plant fiber-based material；
Described polyamines is ethylenediamine, diethylamine, diethylenetriamine, triethylene tetramine, TEPA or pentaethylene hexamine；
S4. additive reaction：
S41. it is 1 according to the weight of monolayer amino plant fiber-based material with the ratio of the volume of unsaturated grafted monomers solution:
10～1:60, both are mixed, the concentration of described unsaturation grafted monomers solution is 5～50wt%；
S42., after 100～400W ultrasonic lower process 1～2h, 10～60 DEG C of water-baths are reacted 1～24h；
S43. washed 2～5 times with water logging, finally use alcohol flushing, sucking filtration, 60 DEG C of drying, obtain the monolayer amino plant after addition
Fiber-based material；
S5.PEI amide substitution reaction：
S51. the ratio according to the weight of the monolayer amino plant fiber-based material after addition and the volume of polyethyleneimine is 1:5
～1:60, both are mixed, the concentration of described polyethyleneimine is 5～15wt%；
S52. react 10～48h at 20～60 DEG C, make fiber and polyethyleneimine carry out amide substitution reaction；
S53. washing with alcohol removes unnecessary polyethyleneimine, sucking filtration, 60 DEG C of drying, obtains double-deck high amino density Plant fiber
Adsorbing material；
Wherein, described Plant fiber is bagasse, Radix Crotalariae szemoensis powder, maize cob meal, Folium Agaves Sisalanae, straw or cotton fiber；
The heat decomposition temperature of this adsorbing material, more than 300 DEG C, has anti-microbial property and the adsorbing and trapping performance to sour gas；
This adsorbing material, after adsorbed gas, can regenerate through thermal desorption.
2. application in terms of absorbing acid gases for the double-deck high amino density Plant fiber's adsorbing material described in claim 1.
3. described in claim 1, double-deck high amino density Plant fiber's adsorbing material in Wood-plastic material antibacterial or prevents the wood fiber
The application of aspect of going mouldy.
4. apply according to claim 3 it is characterised in that being to be applied to anti-Staphylococcus aureus, escherichia coli or white
Color candidiasises.
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