CN106087507A - Beet pulp cellulose Nanowire and preparation method thereof - Google Patents
Beet pulp cellulose Nanowire and preparation method thereof Download PDFInfo
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- CN106087507A CN106087507A CN201610392264.5A CN201610392264A CN106087507A CN 106087507 A CN106087507 A CN 106087507A CN 201610392264 A CN201610392264 A CN 201610392264A CN 106087507 A CN106087507 A CN 106087507A
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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.This preparation method is with beet pulp as raw material, first pass through steam explosion pretreatment and remove the pectic substance in cell wall and hemicellulose, process, with hydrogen peroxide bleaching or high shear homogenizing, impurity such as removing lignin the most again, finally use high-speed stirred to process and high strength supersonic processes and prepares cellulose Nanowire.This preparation method clean and effective, technique is simple, less with chemical reagent, can avoid the problems such as liquid waste processing.And pretreated explosion liquid can be precipitated with ethanol and reclaim pectic substance, add the comprehensive utilization ratio of beet pulp, improve added value of product.The cellulose Nanowire prepared, diameter is between 10～50nm, and length is at least above 1 μm, for typical cellulose I type crystalline texture.
Description
Technical field
The present invention relates to nano-cellulose field, particularly relate to a kind of beet pulp cellulose Nanowire and preparation side thereof
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, as a kind of novel biomass nano material, causes the extensive concern of scientific circles.
The nanometer size effect of cellulose Nanowire and tough porous network structure give its highest mechanical strength and excellent optics
Performance, thus a lot of high value added product can be prepared.Current research is concentrated mainly on explores new material source, exploitation
New preparation method, and the functionalization etc. of cellulose Nanowire.
The waste residue that beet pulp is refined sugar as industry, has abundance, low cost, the feature such as renewable.Its parenchyma cell
Structure all contains the natural macromolecular materials such as substantial amounts of pectic substance, cellulose, hemicellulose, at present, be mainly used as feedstuff or
Person is used for extracting pectic substance.The added value of product of feedstuff is relatively low, and the gelling performance of pectic substance is poor.Extract giving up after pectic substance
Possibly together with substantial amounts of cellulose in slag, cause the waste of resource.
At present, the preparation method of cellulose Nanowire mostly is Chemical Pretreatment and combines high pressure homogenization method or TEMPO oxidation
Method.TEMPO oxidizing process is relatively costly, and Chemical Pretreatment technical process is the most more complicated, there is also liquid waste processing problem, easily draws
Play environmental pollution.
Summary of the invention
Based on this, the invention provides the preparation method of the cellulose Nanowire of a kind of clean and effective, can prepare simultaneously
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, and pulverizes, sieves, obtain beet pulp powder；
(2) steam explosion pretreatment
Measure deionized water, add in steam explosion retort, weigh beet pulp powder net parcel and be placed on steaming
Steam explosion breaks in retort, then heats 25～45min at a temperature of 180～230 DEG C by after the sealing of steam explosion retort, then opens
Valve, instant decompression carries out explosion, collects the material after explosion, centrifugal, filtration, is dried by filtering residue, and filtrate is standby；Preferably, steam
What vapour explosion treatment can further enhance cellulose Nanowire for twice disassembles effect；
(3) ethanol carries pectin
Take the filtrate that step (2) obtains, under being stirred continuously, be slowly added into dehydrated alcohol, stand 8-16h, be centrifuged, filter,
Wash with ethanol solution, obtain pectin；
(4) hydrogen peroxide bleaching or high shear homogenizing process
Take the filtering residue dried in step (2), add deionized water, add the hydrogen peroxide that mass fraction is 30% and float
In vain, with distilled water wash, centrifugal, filtration, dry；Or
Take the filtering residue dried in step (2), add deionized water, be configured to the suspension that mass fraction is 0.5-5%, then
Carry out high shear homogenizing process；
(5) high-speed stirred processes
Take the material after step (4) is dried or the material after the process of high shear homogenizing, add deionized water, be configured to matter
Amount mark is the suspension of 0.05-2%, carries out high-speed stirred process；
(6) high strength supersonic processes
Material after step (5) high-speed stirred being processed, carries out supersound process, obtains the suspension of cellulose Nanowire.
Wherein in some embodiments, beet pulp used in step (1) is beet pellet, after industry is squeezed sugar
Waste residue forms through particle pressing machine compacting after rapid draing in the high temperature gas flow of 600～800 DEG C again.
Wherein in some embodiments, step (2) described deionized water is 50mL:2-4g with the proportioning of beet pulp powder；
It is placed on network after described beet pulp powder copper mesh parcel, then is placed in steam explosion retort, made by support sweet
Rapeseed cake powder is positioned at above deionized water but is not directly contacted with.Owing to aqueous water does not reaches more than 180 DEG C under experimental pressure, no
Directly contact with liquid water, it is possible to achieve the water vapour high temperature action to beet pulp powder, improve the group such as pectin and hemicellulose
The effect separated, and, to put in support, 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.
Wherein in some embodiments, in step (2) heating process, the pressure in steam explosion retort is 2～3MPa,
The temperature of described drying is 45-55 DEG C.
Wherein in some embodiments, the described centrifugal rotating speed of step (2) is 9000-11000rmp, and the time is 8-
12min。
Wherein in some embodiments, the proportioning of step (4) described filtering residue, deionized water and hydrogen peroxide is 1g:5-
10ml:18-22g；The condition of described bleaching is for being 1～2 with vinegar acid for adjusting pH, and bleaching temperature is 70～80 DEG C, and bleaching time is
20-28h；The rotating speed 18000-22000rmp of described high shear homogenizing, the high shear homogenizing process time is 25-35min.
Wherein in some embodiments, the described centrifugal rotating speed of step (4) is 9000-11000rmp, and the time is 8-
12min。
Wherein in some embodiments, the mass fraction of step (4) described suspension is 0.8-1.2%.
Wherein in some embodiments, the temperature of step (1) described drying is 45-55 DEG C, described in sieve into cross 100 mesh and
200 mesh sieve, collect the material between 100 mesh to 200 mesh.
Wherein in some embodiments, step (3) described dehydrated alcohol is 3.5-4.5:1 with the volume ratio of filtrate, described
The temperature stood is 0-5 DEG C, and the mass fraction of described ethanol solution is 70-80%.
Wherein in some embodiments, the rotating speed that step (5) described high-speed stirred processes is 46000-50000rmp, processes
Time is 8-12min.
Wherein in some embodiments, the mass fraction of step (5) described suspension is 0.08-1.2%.
Wherein in some embodiments, the ultrasonic power of step (6) described supersound process is 800～1200W, supersound process
Time be 24-36min, temperature of charge is 20～30 DEG C.
Wherein in some embodiments, every ultrasonic 2s, intermittently 5s during step (6) described supersound process, until supersound process
Total time be 24-36min.
Wherein in some embodiments, the high-speed stirred in step (5) processes and processes with the high strength supersonic in step (6)
Alternately, each high-speed stirred process 2 ± 0.5min, then high strength supersonic process 6 ± 0.5min, the most alternately until
The total time that high-speed stirred processes is 8-12min, and the total time that high strength supersonic processes is 24-36min.High-speed stirred process and
It is more preferable that cellulose Nanowire is alternately disassembled action effect by high strength supersonic process.
Present invention also offers a kind of cellulose Nanowire and pectin.
Concrete technical scheme is as follows:
The cellulose Nanowire prepared according to above-mentioned preparation method.
The pectin prepared according to above-mentioned preparation method.
Steam explosion preconditioning technique is the process that a kind of physics combines with chemical treatment, and it has low cost, without dirty
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 wall, is converted into water soluble pectin matter by Pectin, proto, and hemicellulose hydrolyzes.During abrupt release pressure, pectin
Matter to external migration, cell wall exposes Nanowire network structure inside cell wall.Pectic substance can be with ethanol from quick-fried
Broken liquid extracts and reclaims, improve the comprehensive utilization ratio of beet pulp.The high pressure that the steam blasting device of the present invention is different from the past
Autoclave, when pressure release, material can spray from retort, digestion process and pressure leak process simultaneously to beet pulp chemical constituent and
Structure produces impact.Digestion process carries out immersion treatment also without some alkali liquor or acid solution, it is to avoid cause cellulosic structure
Destroy, cause heat stability 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 uses the steam explosion pretreatment skill of clean and effective
Art, can be effectively realized the Component seperation of beet pulp in conjunction with the method (or combine hydrogen peroxide bleaching process) of other physical mechanical
Change with structure, make the process of disassembling of cellulose Nanowire become simpler, beet pulp fiber can be prepared efficiently
Element Nanowire.The method first passes through steam explosion pretreatment and removes the pectic substance in cell wall and hemicellulose, the most again with double
The bleaching of oxygen water or high shear homogenizing process impurity such as removing lignin, finally use high-speed stirred to process and high strength supersonic processes
Can prepare cellulose Nanowire, preparation technology is simple, efficiently.
(2) preparation method of the present invention need not during its Steam explosion treatment carry out immersion treatment by alkali liquor or acid solution,
Avoid the heat stability caused because of the destruction of cellulosic structure to be deteriorated, whole preparation process in the method that pure physics is purely mechanic
Without any chemical reagent, the preparation of cellulose Nanowire can be realized, ensure the chemistry on cellulose molecular chain as far as possible
Structure does not changes, and keeps the length of fiber and chemical constitution not to be damaged, can avoid the problems such as liquid waste processing, clearly simultaneously
Clean, environmental protection.
(3), in the preparation method of the present invention, when using hydrogen peroxide bleaching to process, hydrogen peroxide can preferably be removed wooden
Element, the color making the suspension of obtained cellulose Nanowire is more shallow, and the cellulose Nanowire size prepared is more homogeneous, has
Decrease to effect the existence of fibre bundle aggregate, make cellulose Nanowire separate more abundant.The reacted product of hydrogen peroxide is
Water, its chlorine-free bleaching process environmental protection.
(4), in the preparation method of the present invention, pretreated explosion liquid can be precipitated with ethanol and reclaim pectic substance, increase
The comprehensive utilization ratio of beet pulp, improves added value of product.
(5) the cellulose Nanowire that the preparation method of the present invention is prepared, diameter is between 10～50nm, and length is the biggest
In 1 μm, for typical cellulose I type crystalline texture.
Accompanying drawing explanation
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.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention will be further described in detail.
In following example, beet pellet refers to that the waste residue after industry is squeezed sugar is in the high temperature gas flow of 600～800 DEG C
Again through the granular dregs of particle pressing machine compacting after rapid draing.
Embodiment 1
A kind of method preparing beet pulp cellulose Nanowire of the present embodiment, comprises the following steps:
(1) beet pulp pre-treatment
By beet pellet with cold water wash clean after, 50 DEG C of drying, pulverize, cross 100 mesh and 200 mesh sieve, collection 100
Mesh, to the material between 200 mesh, obtains beet pulp powder, and sealing saves backup.
(2) steam explosion pretreatment
Measure 500mL deionized water, add in steam explosion retort, weigh 30g beet pulp powder, after wrapping up with copper mesh
It is placed on spider, is then placed in explosion retort, at 220 DEG C after steam explosion retort is assembled and seals
At a temperature of heat 35min, then valve opening, instant decompression carries out explosion, and collecting the material after explosion, centrifugal (rotating speed is
10000rmp, 10min) sucking filtration afterwards, by gained filtering residue 50 DEG C drying, standby, filtrate is standby, repeat the above steps, steam explosion 2
Secondary.
(3) ethanol carries pectin
Take the filtrate in 100ml step (2) in 500ml beaker, then under 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
Taking the filtering residue dried in 20g step (2), add 160ml deionized water, 40g mass fraction is the hydrogen peroxide of 30%,
It is 1～2 with glacial acetic acid regulation pH, 70 DEG C of heating 24h, then it is washed with distilled water to neutrality, centrifugal (rotating speed is 10000rmp,
10min), sucking filtration, dry, standby.
(5) high-speed stirred processes
Material after step (4) being dried adds deionized water and is configured to the suspension of 1% or 0.1% (mass fraction),
Carry out high-speed stirred process, rotating speed 48000rmp, process time 10min.
(6) high strength supersonic processes
Material after step (5) high-speed stirred being processed, carries out supersound process, ultrasonic power 1000W, and total time is
30min, wherein, every ultrasonic 2s, intermittently 5s, control temperature of charge 20～30 DEG C, obtain the suspension of cellulose Nanowire.
Cellulose Nanowire distribution of sizes prepared by the method is homogeneous, and diameter Distribution focuses mostly between 10～20nm, knot
Crystalline substance degree is 62.30%, and maximum weightless peak temperature is 346.4 DEG C.Transmission electron microscope picture such as Fig. 1 of the cellulose Nanowire of the present embodiment
Shown in (concentration of left figure is 1% (mass fraction), and right figure concentration is 0.1% (mass fraction)), diameter distribution profile such as Fig. 2 institute
Show.
Embodiment 2
A kind of method preparing beet pulp cellulose Nanowire of the present embodiment, comprises the following steps:
(1) beet pulp pre-treatment
By beet pellet with cold water wash clean after, 50 DEG C of drying, pulverize, cross 100 mesh and 200 mesh sieve, collection 100
Mesh, to the material between 200 mesh, obtains beet pulp powder, and sealing saves backup；
(2) steam explosion pretreatment
Measure 500mL deionized water, add in steam explosion retort, weigh 40g beet pulp powder, after wrapping up with copper mesh
It is placed on spider, is then placed in explosion retort, at 220 DEG C after steam explosion retort is assembled and seals
At a temperature of heat 35min, then valve opening, instant decompression carries out explosion, and collecting the material after explosion, centrifugal (rotating speed is
10000rmp, 10min) sucking filtration afterwards, by gained filtering residue 50 DEG C drying, standby, filtrate is standby, repeat the above steps, steam explosion 2
Secondary.
(3) ethanol carries pectin
Take the filtrate in 100ml step (2) in 500ml beaker, then under 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 homogenizing processes
The filtering residue dried in step (2) is added deionized water and is configured to the suspension of 1% (mass fraction), take 200mL
Suspension is poured in 500mL beaker, carries out high shear homogenizing process, rotating speed 20000rmp, processes time 30min.
(5) high-speed stirred processes
Material after being processed by step (4) high shear homogenizing adds deionized water and is configured to the outstanding of 0.1% (mass fraction)
Supernatant liquid, carries out high-speed stirred process, or is directly carried out at high-speed stirred by the material after the process of step (4) high shear homogenizing
Reason, rotating speed 48000rmp, process time 10min.
(6) high strength supersonic processes
Material after step (5) high-speed stirred being processed, carries out supersound process, ultrasonic power 1200W, total time 30min,
Wherein, every ultrasonic 2s, intermittently 5s, control temperature of charge 20～30 DEG C, obtain the suspension of cellulose Nanowire.
Cellulose Nanowire prepared by the method is netted tangled structure, and diameter Distribution, mostly between 40～50nm, is tied
Crystalline substance degree is 57.43%, and maximum weightless peak temperature is 353.1 DEG C.Transmission electron microscope picture such as Fig. 3 of the cellulose Nanowire of the present embodiment
Shown in (concentration of left figure is 1% (mass fraction), and right figure concentration is 0.1% (mass fraction)), diameter distribution profile such as Fig. 4 institute
Show.
Each technical characteristic of embodiment described above can combine arbitrarily, for making description succinct, not to above-mentioned reality
The all possible combination of each technical characteristic executed in example is all described, but, as long as the combination of these technical characteristics is not deposited
In contradiction, all it is considered to be the scope that this specification is recorded.
Embodiment described above only have expressed the several embodiments of the present invention, and it describes more concrete and detailed, but also
Can not therefore be construed as limiting the scope of the patent.It should be pointed out that, come for those of ordinary skill in the art
Saying, without departing from the inventive concept of the premise, it is also possible to make some deformation and improvement, these broadly fall into the protection of the present invention
Scope.Therefore, the protection domain of patent of the present invention should be as the criterion with claims.
Claims (10)
1. a 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, and pulverizes, sieves, obtain beet pulp powder；
(2) steam explosion pretreatment
Measuring deionized water, add in steam explosion retort, weighing beet pulp powder net parcel, to be placed on steam quick-fried
In broken retort, then will steam explosion retort seal after at a temperature of 180～230 DEG C, heat 25～45min, then valve opening,
Instant decompression carries out explosion, collects the material after explosion, centrifugal, filtration, is dried by filtering residue, and filtrate is standby；
(3) ethanol carries pectin
Take the filtrate that step (2) obtains, under being stirred continuously, be slowly added into dehydrated alcohol, stand 8-16h, centrifugal, filtration, use second
Alcoholic solution washs, and obtains pectin；
(4) hydrogen peroxide bleaching or high shear homogenizing process
Take the filtering residue dried in step (2), add deionized water, add the hydrogen peroxide that mass fraction is 30% and bleach,
With distilled water wash, centrifugal, filtration, dry；Or
Take the filtering residue dried in step (2), add deionized water, be configured to the suspension that mass fraction is 0.5-5%, then carry out
High shear homogenizing processes；
(5) high-speed stirred processes
Take the material after step (4) is dried or the material after the process of high shear homogenizing, add deionized water, be configured to quality and divide
Number is the suspension of 0.05-2%, carries out high-speed stirred process；
(6) high strength supersonic processes
Material after step (5) high-speed stirred being processed, carries out supersound process, obtains the suspension of cellulose Nanowire.
Beet pulp cellulose Nanowire the most according to claim 1, the preparation method of pectin, it is characterised in that step (2)
Described deionized water is 50mL:2-4g with the proportioning of beet pulp powder, is placed on netted after described beet pulp powder copper mesh parcel
On support, then it is placed in steam explosion retort, makes beet pulp powder be positioned at above deionized water by support but the most directly connect
Touch.
Beet pulp cellulose Nanowire the most according to claim 1, the preparation method of pectin, it is characterised in that step (2)
In heating process, the pressure in steam explosion retort is 2～3MPa, and the temperature of described drying is 45-55 DEG C.
4., according to the beet pulp cellulose Nanowire described in any one of claim 1-3, the preparation method of pectin, its feature exists
In, the proportioning of step (4) described filtering residue, deionized water and hydrogen peroxide is 1g:5-10ml:18-22g, the condition of described bleaching
For being 1～2 with vinegar acid for adjusting pH, bleaching temperature is 70～80 DEG C, and bleaching time is 20-28h；The rotating speed of described high shear homogenizing
18000-22000rmp, the time that high shear homogenizing processes is 25-35min.
5., according to the beet pulp cellulose Nanowire described in any one of claim 1-3, the preparation method of pectin, its feature exists
In, the temperature of step (1) described drying is 45-55 DEG C, described in sieve as crossing 100 mesh and 200 mesh sieve, collect 100 mesh to 200
Material between mesh.
6., according to the beet pulp cellulose Nanowire described in any one of claim 1-3, the preparation method of pectin, its feature exists
In, step (3) described dehydrated alcohol is 3.5-4.5:1 with the volume ratio of filtrate, and the temperature of described standing is 0-5 DEG C, described second
The mass fraction of alcoholic solution is 70-80%.
7., according to the beet pulp cellulose Nanowire described in any one of claim 1-3, the preparation method of pectin, its feature exists
In, the rotating speed that step (5) described high-speed stirred processes is 46000-50000rmp, and the process time is 8-12min.
8., according to the beet pulp cellulose Nanowire described in any one of claim 1-3, the preparation method of pectin, its feature exists
In, the ultrasonic power of step (6) described supersound process is 800～1200W, and the time of supersound process is 24-36min, material temperature
Degree is 20～30 DEG C.
9. according to the preparation method of the cellulose Nanowire described in any one of claim 1-3, it is characterised in that in step (5)
High-speed stirred process and step (6) in high strength supersonic process alternately, each high-speed stirred process 2 ± 0.5min,
High strength supersonic processes 6 ± 0.5min again, the most alternately until the total time that high-speed stirred processes is 8-12min, high-strength
The total time of degree supersound process is 24-36min.
10. the cellulose Nanowire for preparing according to the preparation method described in any one of claim 1-9, pectin.
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| EP4056048A4 (en) * | 2019-11-08 | 2023-11-08 | Nippon Beet Sugar Manufacturing Co. Ltd. | Method for producing water-soluble polysaccharides |
| WO2023231292A1 (en) * | 2022-05-31 | 2023-12-07 | 华南理工大学 | Beet pulp all-component emulsifying thickener, preparation method therefor, and application thereof |
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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 |
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| 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 |
| EP4056048A4 (en) * | 2019-11-08 | 2023-11-08 | Nippon Beet Sugar Manufacturing Co. Ltd. | Method for producing water-soluble polysaccharides |
| WO2023231292A1 (en) * | 2022-05-31 | 2023-12-07 | 华南理工大学 | Beet pulp all-component emulsifying thickener, preparation method therefor, and application thereof |
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