CN106087507B - Beet pulp cellulose Nanowire and preparation method thereof - Google Patents
Beet pulp cellulose Nanowire and preparation method thereof Download PDFInfo
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- CN106087507B CN106087507B CN201610392264.5A CN201610392264A CN106087507B CN 106087507 B CN106087507 B CN 106087507B CN 201610392264 A CN201610392264 A CN 201610392264A CN 106087507 B CN106087507 B CN 106087507B
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
- C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
- C08B37/0045—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid alpha-D-Galacturonans, e.g. methyl ester of (alpha-1,4)-linked D-galacturonic acid units, i.e. pectin, or hydrolysis product of methyl ester of alpha-1,4-linked D-galacturonic acid units, i.e. pectinic acid; Derivatives thereof
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/36—Explosive disintegration by sudden pressure reduction
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
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- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
The present invention relates to a kind of beet pulp cellulose Nanowire, pectin and preparation method thereof.The preparation method is using beet pulp as raw material, first pass through the pectic substance and hemicellulose in steam blasting pretreatment removal cell membrane, then the impurity such as lignin are removed with hydrogen peroxide bleaching or high shear homogenization again, is finally handled using high-speed stirred and cellulose Nanowire is prepared in high strength supersonic processing.The preparation method clean and effective, technique is simple, less with chemical reagent, can be to avoid liquid waste processing the problems such as.And pectic substance can be recycled with the pretreated explosion liquid of ethanol precipitation, the comprehensive utilization ratio of beet pulp is added, improves added value of product.The cellulose Nanowire prepared, for diameter between 10~50nm, length is typical cellulose I type crystalline texture at least above 1 μm.
Description
Technical field
The present invention relates to nano-cellulose field, more particularly to a kind of beet pulp cellulose Nanowire and its preparation side
Method.
Background technology
The higher value application of biomass resource is mainly reflected in two aspects, efficient biomass energy and high-performance biomass
The research of material, wherein, nano-cellulose causes the extensive concern of scientific circles as a kind of new biomass nano material.
The nanometer size effect of cellulose Nanowire and tough porous network structure assign its very high mechanical strength and excellent optics
Performance, thus many high value added products can be prepared.Current research, which is concentrated mainly on, explores new material source, exploitation
New preparation method, and functionalization of cellulose Nanowire etc..
Waste residue of the beet pulp as industry sugaring, has the characteristics that abundance, cost are low, renewable.Its parenchyma cell
Containing the natural macromolecular material such as substantial amounts of pectic substance, cellulose, hemicellulose in structure, at present, be mainly used as feed or
Person is used for extracting pectic substance.The added value of product of feed is relatively low, and the gelling performance of pectic substance is poor.Extract useless after pectic substance
Also contain substantial amounts of cellulose in slag, cause the waste of resource.
At present, the preparation method of cellulose Nanowire is mostly Chemical Pretreatment combination high pressure homogenization method or TEMPO oxidations
Method.TEMPO oxidizing process costs are higher, and Chemical Pretreatment technical process is again more complicated, also there are problems that liquid waste processing, easily draws
Play environmental pollution.
The content of the invention
Based on this, the present invention provides a kind of preparation method of the cellulose Nanowire of clean and effective, while can prepare
Obtain pectin.
Concrete technical scheme is as follows：
A kind of beet pulp cellulose Nanowire, the preparation method of pectin, comprise the following steps：
(1) beet pulp pre-treatment
Beet pulp after cleaning is dried, is crushed, sieving, obtains beet pulp powder；
(2) steam blasting pre-processes
Deionized water is measured, is added in steam blasting retort, beet pulp powder mesh parcel is weighed and is placed on steaming
Steam explosion is broken in retort, then 25~45min, Ran Houkai are heated at a temperature of 180~230 DEG C after steam blasting retort is sealed
Valve, instant decompression carry out explosion, collect the material after explosion, centrifugation, filtering, filter residue are dried, filtrate is spare；Preferably, steam
What vapour explosion treatment can further enhance cellulose Nanowire twice disassembles effect；
(3) ethanol carries pectin
The filtrate for taking step (2) to obtain, absolute ethyl alcohol is slowly added into the case where being stirred continuously, and stands 8-16h, and centrifugation, filter,
Washed with ethanol solution, up to pectin；
(4) hydrogen peroxide bleaching or high shear homogenization
The filter residue of drying in step (2) is taken, adds deionized water, the hydrogen peroxide that mass fraction is 30% is added and is floated
In vain, it is washed with distilled water, centrifuges, filters, dries；Or
The filter residue of drying in step (2) is taken, adds deionized water, is configured to the suspension that mass fraction is 0.5-5%, then
Carry out high shear homogenization；
(5) high-speed stirred is handled
The material after step (4) drying or the material after high shear homogenization are taken, deionized water is added, is configured to matter
The suspension that fraction is 0.05-2% is measured, carries out high-speed stirred processing；
(6) high strength supersonic is handled
It is ultrasonically treated, the material after the processing of step (5) high-speed stirred up to the suspension of cellulose Nanowire.
In wherein some embodiments, beet pulp used is beet pellet in step (1), is after industry is squeezed sugar
Waste residue is formed through particle pressing machine compacting again in 600~800 DEG C of high temperature gas flow after rapid draing.
In wherein some embodiments, step (2) deionized water and the proportioning of beet pulp powder are 50mL:2-4g；
The beet pulp powder is placed on network after being wrapped up with copper mesh, then is placed in steam blasting retort, makes sweet tea by stent
Rapeseed meal powder is located above deionized water but is not directly contacted with.Since liquid water does not reach more than 180 DEG C under experimental pressure, no
Directly contacted with liquid water, it is possible to achieve water vapour improves the group such as pectin and hemicellulose to the high temperature action of beet pulp powder
Divide separated effect, moreover, being put into stent, beet pulp powder is not directly contacted with wall, in the environment of water vapour, Bu Huiyin
Make beet pulp powder zoom for hot-spot or become paste.
In wherein some embodiments, in step (2) heating process, the pressure in steam blasting retort is 2~3MPa,
The temperature of the drying is 45-55 DEG C.
In wherein some embodiments, the rotating speed of step (2) described centrifugation is 9000-11000rmp, time 8-
12min。
In wherein some embodiments, the proportioning of step (4) filter residue, deionized water and hydrogen peroxide is 1g:5-
10ml:18-22g；It with vinegar acid for adjusting pH is 1~2 that the condition of the bleaching, which is, and bleaching temperature is 70~80 DEG C, and bleaching time is
20-28h；The rotating speed 18000-22000rmp of the high shear homogeneous, high shear homogenization time are 25-35min.
In wherein some embodiments, the rotating speed of step (4) described centrifugation is 9000-11000rmp, time 8-
12min。
In wherein some embodiments, the mass fraction of step (4) described suspension is 0.8-1.2%.
In wherein some embodiments, the temperature of step (1) described drying is 45-55 DEG C, the sieving be 100 mesh and
200 mesh sieve, collect 100 mesh to the material between 200 mesh.
In wherein some embodiments, the volume ratio of step (3) absolute ethyl alcohol and filtrate is 3.5-4.5:1, it is described
The temperature of standing is 0-5 DEG C, and the mass fraction of the ethanol solution is 70-80%.
In wherein some embodiments, the rotating speed of step (5) the high-speed stirred processing is 46000-50000rmp, processing
Time is 8-12min.
In wherein some embodiments, the mass fraction of step (5) described suspension is 0.08-1.2%.
In wherein some embodiments, the ultrasonic power of step (6) described supersound process is 800~1200W, is ultrasonically treated
Time be 24-36min, temperature of charge is 20~30 DEG C.
In wherein some embodiments, per ultrasound 2s, interval 5s during step (6) described supersound process, until supersound process
Total time be 24-36min.
In wherein some embodiments, the high strength supersonic processing in high-speed stirred processing and step (6) in step (5)
Alternately, each high-speed stirred handles 2 ± 0.5min, then high strength supersonic handles 6 ± 0.5min, so alternately until
The total time of high-speed stirred processing is 8-12min, and the total time of high strength supersonic processing is 24-36min.High-speed stirred processing and
High strength supersonic processing alternately to cellulose Nanowire to disassemble action effect more preferable.
Present invention also offers a kind of cellulose Nanowire and pectin.
Concrete technical scheme is as follows：
The cellulose Nanowire being prepared according to above-mentioned preparation method.
The pectin being prepared according to above-mentioned preparation method.
Steam blasting preconditioning technique is a kind of physics with being chemically treated the process being combined, it have cost it is low, without dirt
The features such as dye, high-efficiency environment friendly.In the preparation method of the beet pulp cellulose Nanowire of the present invention, high-temperature high-pressure steam acts on
Beet pulp cell membrane, is converted into water soluble pectin matter, hemicellulose is hydrolyzed by protopectin.During abrupt release pressure, pectin
To external migration, Nanowire net structure is exposed on cell wall inside cell membrane for matter.Pectic substance can use ethanol from quick-fried
Recycling is extracted in broken liquid, improves the comprehensive utilization ratio of beet pulp.Steam blasting device of the invention high pressure different from the past
Autoclave, in pressure release, material can be sprayed from retort, digestion process and pressure leak process at the same time to beet pulp chemical constituent and
Structure has an impact.Digestion process carries out immersion treatment also without some lye or acid solution, avoids causing cellulosic structure
Destroy, cause heat endurance to be deteriorated.
Beet pulp cellulose Nanowire of the present invention and preparation method thereof has the following advantages and beneficial effect：
(1) preparation method of beet pulp cellulose Nanowire of the present invention pre-processes skill using the steam blasting of clean and effective
Art, the component separation of beet pulp can be effectively realized with reference to the method (or combine hydrogen peroxide bleaching and handle) of other physical mechanicals
And structure change, make the process of disassembling of cellulose Nanowire become simpler, beet pulp fiber can efficiently be prepared
Plain Nanowire.This method first passes through the pectic substance and hemicellulose in steam blasting pretreatment removal cell membrane, then again with double
Oxygen water is bleached or high shear homogenization removes the impurity such as lignin, is finally handled using high-speed stirred and high strength supersonic is handled
Cellulose Nanowire can be prepared, preparation process is simple, efficient.
(2) immersion treatment need not be carried out with lye or acid solution during its Steam explosion treatment in preparation method of the invention,
Avoid the heat endurance caused by the destruction of cellulosic structure to be deteriorated, whole preparation process in the purely mechanic method of pure physics
Do not add any chemical reagents, you can realize the preparation of cellulose Nanowire, ensure the chemistry on cellulose molecular chain as far as possible
Structure does not change, and the length and chemical constitution for keeping fiber are not damaged, at the same can be to avoid liquid waste processing the problems such as, clearly
It is clean, environmentally friendly.
(3) in preparation method of the invention, when being handled using hydrogen peroxide bleaching, hydrogen peroxide can preferably remove wooden
Element, makes the color of the suspension of obtained cellulose Nanowire more shallow, obtained cellulose Nanowire size is more homogeneous, has
Effect ground reduces the presence of fibre bundle aggregate, cellulose Nanowire is separated more abundant.Hydrogen peroxide reaction after product be
Water, its chlorine-free bleaching process are environmentally protective.
(4) in preparation method of the invention, pectic substance can be recycled with the pretreated explosion liquid of ethanol precipitation, increased
The comprehensive utilization ratio of beet pulp, improves added value of product.
(5) the cellulose Nanowire that preparation method of the invention is prepared, for diameter between 10~50nm, length is at least big
It is typical cellulose I type crystalline texture in 1 μm.
Brief description of the drawings
Fig. 1 is the transmission electron microscope picture of cellulose Nanowire in embodiment 1；
Fig. 2 is the diameter distribution profile of cellulose Nanowire in embodiment 1；
Fig. 3 is the transmission electron microscope picture of cellulose Nanowire in embodiment 2；
Fig. 4 is the diameter distribution profile of cellulose Nanowire in embodiment 2.
Embodiment
Below in conjunction with specific embodiment, the present invention will be further described in detail.
In following embodiments, beet pellet refers to the waste residue after industry squeezing sugar in 600~800 DEG C of high temperature gas flow
The granular dregs formed again through particle pressing machine compacting after rapid draing.
Embodiment 1
A kind of method for preparing beet pulp cellulose Nanowire of the present embodiment, comprises the following steps：
(1) beet pulp pre-treatment
By beet pellet cold water wash it is clean after, 50 DEG C of drying, crush, cross 100 mesh and 200 mesh sieve, collect 100
Mesh obtains beet pulp powder, is sealed spare to the material between 200 mesh.
(2) steam blasting pre-processes
500mL deionized waters are measured, adds in steam blasting retort, 30g beet pulp powder is weighed, after being wrapped up with copper mesh
It is placed on tripod, is then placed in explosion retort, steam blasting retort is assembled and after sealing at 220 DEG C
At a temperature of heat 35min, then valve opening, instant decompression carries out explosion, and collecting the centrifugation of the material after explosion, (rotating speed is
10000rmp, 10min) filter afterwards, by 50 DEG C of gained filter residue drying, spare, filtrate is spare, repeats the above steps, steam blasting 2
It is secondary.
(3) ethanol carries pectin
The filtrate in 100ml steps (2) is taken in 500ml beakers, then in the case where being stirred continuously, be slowly added into 400ml without
Hydrous ethanol solution, 4 DEG C stand overnight, centrifugal filtration.And the pectin being settled out is washed with the ethanol solution that mass fraction is 75%
Material.
(4) hydrogen peroxide bleaching
The filter residue of drying in 20g steps (2) is taken, adds 160ml deionized waters, 40g mass fractions are 30% hydrogen peroxide,
PH is adjusted as 1~2,70 DEG C of heating 24h with glacial acetic acid, then is washed with distilled water to neutrality, centrifugation (rotating speed 10000rmp,
10min), filter, drying is spare.
(5) high-speed stirred is handled
Material after step (4) is dried adds the suspension that deionized water is configured to 1% or 0.1% (mass fraction),
Carry out high-speed stirred processing, rotating speed 48000rmp, processing time 10min.
(6) high strength supersonic is handled
By the material after the processing of step (5) high-speed stirred, it is ultrasonically treated, ultrasonic power 1000W, total time is
30min, wherein, per ultrasound 2s, interval 5s, 20~30 DEG C of control material temperature, up to the suspension of cellulose Nanowire.
Cellulose Nanowire Size Distribution prepared by this method is homogeneous, and diameter distribution focuses mostly between 10~20nm, ties
Brilliant degree is 62.30%, and maximum weightlessness peak temperature is 346.4 DEG C.Transmission electron microscope picture such as Fig. 1 of the cellulose Nanowire of the present embodiment
Shown (concentration of left figure is 1% (mass fraction), and right figure concentration is 0.1% (mass fraction)), diameter distribution profile such as Fig. 2 institutes
Show.
Embodiment 2
A kind of method for preparing beet pulp cellulose Nanowire of the present embodiment, comprises the following steps：
(1) beet pulp pre-treatment
By beet pellet cold water wash it is clean after, 50 DEG C of drying, crush, cross 100 mesh and 200 mesh sieve, collect 100
Mesh obtains beet pulp powder, is sealed spare to the material between 200 mesh；
(2) steam blasting pre-processes
500mL deionized waters are measured, adds in steam blasting retort, 40g beet pulp powder is weighed, after being wrapped up with copper mesh
It is placed on tripod, is then placed in explosion retort, steam blasting retort is assembled and after sealing at 220 DEG C
At a temperature of heat 35min, then valve opening, instant decompression carries out explosion, and collecting the centrifugation of the material after explosion, (rotating speed is
10000rmp, 10min) filter afterwards, by 50 DEG C of gained filter residue drying, spare, filtrate is spare, repeats the above steps, steam blasting 2
It is secondary.
(3) ethanol carries pectin
The filtrate in 100ml steps (2) is taken in 500ml beakers, then in the case where being stirred continuously, be slowly added into 400ml without
Hydrous ethanol solution, 4 DEG C stand overnight, centrifugal filtration.And the pectin being settled out is washed with the ethanol solution that mass fraction is 75%
Material；
(4) high shear homogenization
The filter residue addition deionized water of drying in step (2) is configured to the suspension of 1% (mass fraction), takes 200mL
Suspension is poured into 500mL beakers, carries out high shear homogenization, rotating speed 20000rmp, processing time 30min.
(5) high-speed stirred is handled
Material after step (4) high shear homogenization is added into deionized water and is configured to the outstanding of 0.1% (mass fraction)
Supernatant liquid, carries out high-speed stirred processing, or directly carries out the material after step (4) high shear homogenization at high-speed stirred
Reason, rotating speed 48000rmp, processing time 10min.
(6) high strength supersonic is handled
By the material after the processing of step (5) high-speed stirred, it is ultrasonically treated, ultrasonic power 1200W, total time 30min,
Wherein, per ultrasound 2s, interval 5s, 20~30 DEG C of control material temperature, up to the suspension of cellulose Nanowire.
Cellulose Nanowire prepared by this method is in netted tangled structure, and diameter distribution between 40~50nm, is tied mostly
Brilliant degree is 57.43%, and maximum weightlessness peak temperature is 353.1 DEG C.Transmission electron microscope picture such as Fig. 3 of the cellulose Nanowire of the present embodiment
Shown (concentration of left figure is 1% (mass fraction), and right figure concentration is 0.1% (mass fraction)), diameter distribution profile such as Fig. 4 institutes
Show.
Each technical characteristic of embodiment described above can be combined arbitrarily, to make description succinct, not to above-mentioned reality
Apply all possible combination of each technical characteristic in example to be all described, as long as however, the combination of these technical characteristics is not deposited
In contradiction, the scope that this specification is recorded all is considered to be.
Embodiment described above only expresses the several embodiments of the present invention, its description is more specific and detailed, but simultaneously
Cannot therefore it be construed as limiting the scope of the patent.It should be pointed out that come for those of ordinary skill in the art
Say, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (10)
1. a kind of beet pulp cellulose Nanowire, the preparation method of pectin, it is characterised in that comprise the following steps：
(1) beet pulp pre-treatment
Beet pulp after cleaning is dried, is crushed, sieving, obtains beet pulp powder；
(2) steam blasting pre-processes
Deionized water is measured, is added in steam blasting retort, weighing beet pulp powder mesh parcel, to be placed on steam quick-fried
In broken retort, then 25~45min is heated at a temperature of 180~230 DEG C after steam blasting retort is sealed, then valve opening,
Instant decompression carries out explosion, collects the material after explosion, centrifugation, filtering, filter residue are dried, filtrate is spare；
(3) ethanol carries pectin
The filtrate for taking step (2) to obtain, absolute ethyl alcohol is slowly added into the case where being stirred continuously, and stands 8-16h, centrifugation, filtering, use second
Alcoholic solution washs, up to pectin；
(4) hydrogen peroxide bleaching or high shear homogenization
The filter residue of drying in step (2) is taken, adds deionized water, the hydrogen peroxide that mass fraction is 30% is added and is bleached,
It is washed with distilled water, centrifuges, filters, dries；Or
The filter residue of drying in step (2) is taken, adds deionized water, mass fraction is configured to and is the suspension of 0.5-5%, then carry out
High shear homogenization；
(5) high-speed stirred is handled
The material after step (4) drying or the material after high shear homogenization are taken, adds deionized water, is configured to quality point
Number is the suspension of 0.05-2%, carries out high-speed stirred processing；
(6) high strength supersonic is handled
It is ultrasonically treated, the material after the processing of step (5) high-speed stirred up to the suspension of cellulose Nanowire.
2. beet pulp cellulose Nanowire according to claim 1, the preparation method of pectin, it is characterised in that step (2)
The deionized water and the proportioning of beet pulp powder are 50mL:2-4g, the beet pulp powder are placed on netted after being wrapped up with copper mesh
On stent, then it is placed in steam blasting retort, beet pulp powder is located above deionized water by stent but do not connect directly
Touch.
3. beet pulp cellulose Nanowire according to claim 1, the preparation method of pectin, it is characterised in that step (2)
In heating process, the pressure in steam blasting retort is 2~3MPa, and the temperature of the drying is 45-55 DEG C.
4. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
In the proportioning of step (4) filter residue, deionized water and hydrogen peroxide is 1g:5-10ml:18-22g, the condition of the bleaching
To be 1~2 with vinegar acid for adjusting pH, bleaching temperature is 70~80 DEG C, bleaching time 20-28h；The rotating speed of the high shear homogeneous
18000-22000rmp, the time of high shear homogenization is 25-35min.
5. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
In the temperature of step (1) described drying is 45-55 DEG C, and the sieving was 100 mesh and 200 mesh sieve, collects 100 mesh to 200
Material between mesh.
6. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
In the volume ratio of step (3) absolute ethyl alcohol and filtrate is 3.5-4.5:1, the temperature of the standing is 0-5 DEG C, the second
The mass fraction of alcoholic solution is 70-80%.
7. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
In the rotating speed of step (5) the high-speed stirred processing is 46000-50000rmp, processing time 8-12min.
8. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
It is 800~1200W in the ultrasonic power of, step (6) described supersound process, time of supersound process is 24-36min, material temperature
Spend for 20~30 DEG C.
9. according to claim 1-3 any one of them beet pulp celluloses Nanowire, the preparation method of pectin, its feature exists
In the high strength supersonic in high-speed stirred processing and step (6) in step (5) is handled alternately, at each high-speed stirred
2 ± 0.5min is managed, then high strength supersonic handles 6 ± 0.5min, is so alternately until the total time of high-speed stirred processing
8-12min, the total time of high strength supersonic processing is 24-36min.
10. the cellulose Nanowire being prepared according to claim 1-9 any one of them preparation methods, pectin.
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| CN106622157A (en) * | 2016-12-20 | 2017-05-10 | 华南理工大学 | Modified beet pulp fiber adsorbent as well as preparation method and application thereof |
| CN107602928A (en) * | 2017-09-06 | 2018-01-19 | 陈毅忠 | A kind of preparation method of nitrogen-doped nanometer cellulose/carbon nano-fiber composite material |
| CN107822114A (en) * | 2017-11-07 | 2018-03-23 | 常州汉唐文化传媒有限公司 | A kind of preparation method of meal replacement powder |
| CN109024031A (en) * | 2018-10-12 | 2018-12-18 | 山东金胜粮油集团有限公司 | The method that steam blasting combination ultrasonic treatment prepares peanut shell nano-cellulose |
| CN109750547A (en) * | 2019-03-07 | 2019-05-14 | 德宏州制糖工业研究所 | A method of nano-cellulose is prepared using sugaring by-product bagasse |
| CN110128554A (en) * | 2019-05-22 | 2019-08-16 | 江西农业大学 | A method of nano micro crystal cellulose is prepared using moso bamboo |
| JP7425083B2 (en) * | 2019-11-08 | 2024-01-30 | 日本甜菜製糖株式会社 | Method for producing water-soluble polysaccharides |
| CN114982939B (en) * | 2022-05-31 | 2023-06-16 | 华南理工大学 | Beet pulp full-component emulsifying thickener and preparation method and application thereof |
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| CN102391390A (en) * | 2011-08-26 | 2012-03-28 | 重庆恒远晋通科技有限公司 | Tobacco extraction method based on steam explosion |
| CN102586897A (en) * | 2011-12-21 | 2012-07-18 | 中国热带农业科学院海口实验站 | Method for preparing banana cellulose nanofibers by using steam explosion technology |
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| CN101487195A (en) * | 2009-02-23 | 2009-07-22 | 中国科学院过程工程研究所 | Method for producing paper pulp used in rice paper production by broussonetia papyrifera bark through steam-exploding degumming |
| CN101982571A (en) * | 2010-09-10 | 2011-03-02 | 中国科学院过程工程研究所 | Preparation method of banana fiber from banana stems and leaves by steam explosion degumming |
| CN102391390A (en) * | 2011-08-26 | 2012-03-28 | 重庆恒远晋通科技有限公司 | Tobacco extraction method based on steam explosion |
| CN102586897A (en) * | 2011-12-21 | 2012-07-18 | 中国热带农业科学院海口实验站 | Method for preparing banana cellulose nanofibers by using steam explosion technology |
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