CN106087089A - A kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon - Google Patents
A kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon Download PDFInfo
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- CN106087089A CN106087089A CN201610684324.0A CN201610684324A CN106087089A CN 106087089 A CN106087089 A CN 106087089A CN 201610684324 A CN201610684324 A CN 201610684324A CN 106087089 A CN106087089 A CN 106087089A
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- viscose rayon
- straw
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- skin
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
- D01F2/06—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from viscose
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- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01D—MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
- D01D5/00—Formation of filaments, threads, or the like
- D01D5/08—Melt spinning methods
Abstract
A kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, contain with the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, realize the rumen microorganism of biomass degradation and rumen microorganism degradation product by special installation fermentation or metabolite utilizes microbial co culture, hemicellulose and instability fibre element in degrading straw skin, can in situ separation and fermentation product by regulation and control, realize maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose, continuous print steaming and decocting removing lignin and the dyeing of cellulose or bleaching is carried out under anoxybiotic environment, after centrifugal, cellulose pulp directly carries out the dissolving spinning of viscose rayon in the case of containing certain moisture, or viscose rayon prepared by melt spinning under drying regime.Biological Pretreatment reduces the medicament of follow-up steaming and decocting delignification and uses, and then reduces pollution；Anoxybiotic steaming and decocting will greatly reduce serosity oxidation blackening, and then reduce pollution；Maximize the characteristic maintaining original fiber simultaneously.
Description
Technical field
The present invention relates to biomass and prepare viscose rayon method, especially relate to utilize microbial co culture pretreatment exhausted
The method preparing corn straw viscose rayon under the conditions of oxygen continuously.
Background technology
In recent years, occur multiple with corn straw as raw material, utilize biological method to prepare biomass biomass viscose rayon
Method.Viscose rayon is prepared in the chemical preparation pulp slurrying that directly utilizes having again, but seriously polluted；Some selection enzyme preparations are pre-
Process and prepare viscose rayon after biomass, but enzyme preparation high cost；Some selection dilute acid pretreatment, the most seriously polluted；
Some selection oxygen consumption microbial pretreatment corn straw, owing to oxygen consumption fermentation production rate is relatively low；Some selection anaerobes are fermented,
But using Batch fermentation equipment, pre-processing period is long；Though have through anaerobic treatment, but be not continuous slurrying and spinning, opening
Putting to prepare under environment also needs to process a large amount of black liquor.With corn straw as raw material, it would be desirable to be able to consuming low, the time is short, the biology that efficiency is high
Pretreatment system, prepares the viscose rayon of high-quality continuously and black liquor pollution is greatly lowered.
Summary of the invention
For the problems referred to above existed, described, a kind of microbial co culture pretreatment corn straw prepares viscose rayon
System, contain with corn straw as substrate, by special installation fermentation realize biomass degradation rumen microorganism and cud
Microbial degradation thing or metabolite utilize microbial co culture pretreatment corn straw, and then reduce slurrying and prepare viscose glue fibre
Dimension is polluted, its feature, to carry out the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, uses rumen microorganism together
Rumen microorganism degradation product or metabolite utilize bacterium anaerobism to co-culture, hemicellulose and instability fibre element in degrading straw skin,
Can in situ separation and fermentation product by regulation and control, it is achieved maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose,
Carrying out continuous print steaming and decocting removing lignin and the dyeing of cellulose or bleaching under anoxybiotic environment, centrifugal rear cellulose pulp is containing
Directly carry out the dissolving spinning of viscose rayon in the case of certain moisture, or viscose rayon prepared by melt spinning under drying regime.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, corn stalk
Stalk is cut into the sheet of 30mm ~ 40mm through the maize straw skin that stalks of rice, wheat, etc. leaf separates with skin seperator, and Separation by vibration content of lignin is higher
Straw knot after, be ground into 3 ~ 10mm granule, the fibre length demand of viscose rayon is at 1 ~ 3mm, owing to using Biological Pretreatment,
Chemical agent uses less, less to fiber destruction, and the preferred size that straw skin is pulverized is 3 ~ 5mm, with the most oxygenous water soaking
Straw dispels intracellular oxygen, for follow-up fermentable, uses as substrate, goes oxygen scavenger oxygen to have multiple method, with adding
Hydrogen oxygen water effect of dispelling is optimum, because of the best reducing condition, it is ensured that the survival of Rumen Fungi.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, co-cultures
Microorganism achieves rumen microorganism most degradation usefulness, beyond single Rumen Fungi or antibacterial culturing degrading straw effect, altogether
Cultivating microorganism belongs to symbiosis, the microorganism co-cultured with rumen microorganism or metabolite suppresses the other side's harmful bacteria
Produce, or utilize rumen microorganism metabolite to promote rumen microorganism growth, keep system stability；Can there is multiple side
Formula, chooses Rumen Fungi isolated with ruminant bovine rumen and co-cultures rumen bacteria, preferably: Bacteroides succinogenes, draw
Fourth title: Fibrobacter succinogenes；Choose and co-culture yeast bacterium, preferably with ruminant tumor gastric fungi:
Candida tropicalis CICC 1426 latin name: Candida tropicalis；Choose and co-culture with ruminant tumor gastric fungus
Produce butanol bacterium, preferably: clostridium acetobutylicum CICC 8012, latin name: Clostridium acetobutylicum；Choose
Lactic acid-producing bacteria is co-cultured, preferably: pediococcus acidilactici CICC 10146, latin name with ruminant tumor gastric fungus:
Pediococcus acidilactic；Choosing ruminant tumor gastric fungus and product butanoic acid alcohol bacterium co-cultures, Clostridium butyricum is preferred:
CICC 20036 latin name: Clostridium butyricum；Unstable cellulose and half fiber in degrading maize straws skin
Element, generating portion monomer and highly crystalline lignocellulose, Rumen Fungi, can for can isolate in multiple ruminant tumor gastric
The kind that separates is it is well known that the Rumen Fungi Neocallimastix frontalis single centre thalline of preferred cattle, many flagellums
Zoospore, abundant silk strengthens rhizoid, and the cud volume of cattle is relatively big, and its Rumen Fungi is just being suitable for the fermentation of larger volume equipment, altogether
Cultivating what strain bacterium was bought at Chinese industrial Culture Collection, pretreatment is except life unstable in degrading straw skin
Material, it is also possible to prepare Partial fermentation product, improves benefit, and tunning offsets Biological Pretreatment cost, part organic acid
Fermentation can be also used for the neutralization of alkali liquor.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, will tame
After co-culture microorganism and dispel the straw skin of oxygen and ferment in a kind of continuous flow culture system, tunning leads to
Crossing continuous culture system and separate through membrane separation device in situ, not producing antagonism, fermentation time is 12 ~ 48 hours, complete
Become the pretreatment of maize straw skin, preferably 30 hours time, co-culture microorganism and only divide in the cultivation of continuous print product and product
Can be only achieved optimal degradation effect in device, no person's microbial enzyme is lived and is had the reduction of an order of magnitude.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, and its feature, in anaerobism
Lignocellulose after fermentation, enters the continuously cooking system of anoxybiotic, steaming and decocting delignification under totally-enclosed environment oxygen free condition
The auxiliary agent used is similarly dispels oxygen solution.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, and its feature, the closeest
Separating cellulose and continuously cooking residual liquid body under the conditions of envelope, cellulose enters the lower desanding workshop section closing anaerobic together, with laggard
Entering beating equipment, control cellulosic degree of polymerization by making beating, steaming and decocting residual liquid body is concentrated by ceramic membrane under anoxybiotic environment, due to
Lignin reaction under not having oxygen to remove with medicament, liquid color is shallower.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, isolates
Part corn stalk fiber cellulose fiber keep entering next process dyeing workshop section in the case of primary colors or not dyeing, use primary colors
On the basis of preparing viscose rayon or primary colors, direct staining will reduce bleaching process, and then reduce environmental pollution；Isolated part
Corn stalk fiber cellulose fiber is bleached in the case of anoxybiotic, to meet other needs.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, and primary colors contaminates
The corn stalk fiber pulp of color is centrifugal in the case of anoxybiotic, containing 10% ~ 30% moisture, enters and dissolve in the case of preferably 20%
The direct dissolving spinning of slurry process, need not be completely dried, and saves the energy, simultaneously anoxybiotic continuous spinning, and the original performance of fiber is protected
Protect.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, contains with Semen Maydis
Straw is substrate, realizes biomass degradation microorganism and rumen microorganism degradation product or metabolite profit by special installation fermentation
By microbial co culture pretreatment corn straw, its feature, bleaching corn stalk fiber pulp is centrifugal in the case of anoxybiotic, is containing
In the case of having 10% ~ 30% moisture, preferably 20% enters the direct dissolving spinning of dissolving pulp operation prepares viscose rayon, owing to solvent spins
Silk also needs to use alkali liquor, is not exclusively dried pulp oneself spinning, reduces the energy for being dried, and the original performance of fiber is protected
Protect.
Described, a kind of microbial co culture pretreatment corn straw prepares the system of viscose rayon, its feature, and primary colors contaminates
Directly carry out melt spinning after the centrifugal drying of the pulp of color or bleaching and prepare viscose rayon.
Compared with prior art, advantages of the present invention and providing the benefit that:
1. the hemicellulose during rumen microorganism co-cultures high efficiency, low cost degrading maize straws and unstable cellulose, after reduction
The medicament of continuous steaming and decocting delignification uses, and then reduces pollution；
The most under anaerobic degrading straw, ensure that anoxic condition simultaneously, creates condition, absolutely for follow-up anoxybiotic continuously cooking
Oxygen steaming and decocting will greatly reduce serosity oxidation blackening, overall process anoxybiotic, continuous closed operation, it is to avoid oxidation blackening, then bleaching process,
From mechanism, reduce night produce, and then reduce pollution；
3. the reduction of conditions of cooking, maximizes simultaneously and maintains the original characteristic of fiber；
4. rumen microorganism will etch fiber to the degraded of stalk fibre labile element, make fiber moisture absorption ratio improve, Jin Erneng
Enough prepare high performance viscose rayon；
5. have employed the primary colors dyeing of fiber, direct fiber primary colors dyes, and eliminates bleaching process, reduces environment
Impact.
Accompanying drawing explanation
The invention will be further described below in conjunction with the accompanying drawings:
Fig. 1 a kind of microbial co culture pretreatment corn straw prepares the system schematic of viscose rayon.
Detailed description of the invention
In order to be more fully understood that the present invention, describe technical scheme in detail with instantiation below, but this
Invention is not limited thereto.
Embodiment 1
To carry out the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, choose and isolate from ruminant bovine rumen
Cud Rumen Fungi Neocallimastix frontalis and rumen bacteria Fibrobacter succinogenes train altogether
Support, hemicellulose and instability fibre element in degrading straw skin；By co-culturing microorganism and dispelling the straw skin of oxygen after domestication
Fermenting in a kind of continuous flow culture system, tunning is separated by continuous culture system membrane separation device, does not produces
Raw antagonism, fermentation time is 48 hours, completes the pretreatment of maize straw skin, unstable fiber in degrading maize straws skin
Element and hemicellulose, generating portion monomer and highly crystalline lignocellulose；Can in situ separation and fermentation product by regulation and control, it is achieved
Maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose；Lignocellulose after anaerobic fermentation, totally-enclosed
Entering the continuously cooking system of anoxybiotic under environment oxygen free condition, the medicament agent that steaming and decocting delignification uses is similarly that to dispel oxygen molten
Liquid, separates cellulose and continuously cooking residual liquid body under the conditions of hermetically sealed；Cellulose enters the lower desanding work closing anaerobic together
Section, subsequently enter beating equipment, by making beating control cellulosic degree of polymerization, steaming and decocting residual liquid body under anoxybiotic environment 99 DEG C by pottery
Porcelain membrance concentration, concentrated solution is used for follow-up industrial utilization, COD value 100, reduces corn straw tradition slurrying and pollutes；At anoxybiotic environment
Under carry out continuous print steaming and decocting removing lignin；Under isolated part corn stalk fiber cellulose fiber enters in the case of keeping primary colors
One procedure workshop section, content of cellulose 93%；The corn stalk fiber pulp of primary colors is centrifugal, containing 10% in the case of anoxybiotic
The direct dissolving spinning of dissolving pulp operation, dry fracture strength 2.5cN/dtex, dry elongation at break is entered in the case of moisture
16%. wet breaking strength 1.5cN/dtex, regain reaches more than 15%.
Embodiment 2
To carry out the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, use the same rumen microorganism of rumen microorganism
Degradation product or metabolite utilize bacterium anaerobism to co-culture, hemicellulose and instability fibre element in degrading straw skin；Choose ruminate dynamic
Thing Rumen Fungi Neocallimastix frontalis and producing and ethanol bacterium Candida tropicalis co-cultures；Degrading maize
Unstable cellulose and hemicellulose in straw skin；By co-culturing microorganism and dispelling the straw skin of oxygen in one after domestication
Fermenting in continuous flow culture system, tunning is separated by continuous culture system membrane separation device, does not produce antagonism
Effect, fermentation time is 36 hours, completes the pretreatment of maize straw skin；By regulation and control can in situ separation and fermentation product, real
Existing maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose, the lignocellulose after anaerobic fermentation, in full envelope
Entering the continuously cooking system of anoxybiotic under the oxygen free condition of closed loop border, the auxiliary agent that steaming and decocting delignification uses is similarly that to dispel oxygen molten
Liquid, separates cellulose and continuously cooking residual liquid body under the conditions of hermetically sealed, and cellulose enters the lower desanding work closing anaerobic together
Section, subsequently enters beating equipment, controls cellulosic degree of polymerization by making beating, and steaming and decocting residual liquid body is under anoxybiotic environment, and 100 DEG C are passed through
Ceramic membrane concentrates, and concentrated solution is used for follow-up industrial utilization；The dyeing of continuous print steaming and decocting removing lignin and cellulose is all absolutely
Carry out under oxygen environment；COD value 120, reduces corn straw tradition slurrying and pollutes, content of cellulose 93%；Isolated part
Entrance next process dyeing workshop section in the case of corn stalk fiber cellulose fiber holding primary colors；The corn stalk fiber of primary colors dyeing
Pulp is centrifugal in the case of anoxybiotic, enters the direct dissolving spinning of dissolving pulp operation and prepare viscose glue fibre in the case of containing 20% moisture
Dimension, dry fracture strength 2.6cN/dtex, dry elongation at break 16.5%. wet breaking strength 1.5cN/dtex, regain reaches
To more than 16%.
Embodiment 3
To carry out the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, choose ruminant tumor gastric fungus
Neocallimastix frontalis and lactic acid producing bacteria Pediococcus acidilactic co-cultures；Degrading maize straw
Unstable cellulose and hemicellulose, generating portion monomer and highly crystalline lignocellulose in stalk skin；By co-culturing after domestication
Microorganism and dispel the straw skin of oxygen and ferment in a kind of continuous flow culture system, tunning is by cultivating continuously
System membranes segregation apparatus separates, and does not produce antagonism, and fermentation time is 12 hours, completes the pretreatment of maize straw skin.Logical
Crossing regulation and control can in situ separation and fermentation product, it is achieved maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose,
Lignocellulose after anaerobic fermentation, enters the continuously cooking system of anoxybiotic under totally-enclosed environment oxygen free condition, the de-wood of steaming and decocting
The auxiliary agent that quality uses is similarly dispels oxygen solution, separates cellulose and continuously cooking residual liquid body under the conditions of hermetically sealed, fine
Dimension element enters the lower desanding workshop section closing anaerobic together, subsequently enters beating equipment, controls cellulosic degree of polymerization by making beating, steams
Boiling residual liquid body to be concentrated by 110 DEG C of ceramic membranes under anoxybiotic environment, concentrated solution is used for follow-up industrial utilization, COD value 160, reduces
Corn straw tradition slurrying is polluted, content of cellulose 95%；Continuous print steaming and decocting removing lignin and the bleaching of cellulose be all
Carry out under anoxybiotic environment, centrifugal after cellulose pulp in the case of containing 25% moisture, enter dissolving pulp operation directly dissolve and spin
Silk, dry fracture strength 2.7cN/dtex, dry elongation at break 17%. wet breaking strength 1.6cN/dtex, regain reaches
18%。
Embodiment 4
To carry out the maize straw skin after corn straw stalks of rice, wheat, etc. leaf separates with skin as raw material, choose ruminant tumor gastric fungus
Neocallimastix frontalis and product butanol bacterium Clostridium acetobutylicum co-cultures；Degrading maize straw
Unstable cellulose and hemicellulose, generating portion monomer and highly crystalline lignocellulose in stalk skin；By co-culturing after domestication
Microorganism and dispel the straw skin of oxygen and ferment in a kind of continuous flow culture system, tunning is by cultivating continuously
System membranes segregation apparatus separates, and does not produce antagonism, and fermentation time is 40 hours, completes the pretreatment of maize straw skin.Logical
Crossing regulation and control can in situ separation and fermentation product, it is achieved maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose,
Lignocellulose after anaerobic fermentation, enters the continuously cooking system of anoxybiotic under totally-enclosed environment oxygen free condition, the de-wood of steaming and decocting
The auxiliary agent that quality uses is similarly dispels oxygen solution, separates cellulose and continuously cooking residual liquid body under the conditions of hermetically sealed, fine
Dimension element enters the lower desanding workshop section closing anaerobic together, subsequently enters beating equipment, controls cellulosic degree of polymerization by making beating, steams
Boil residual liquid body under anoxybiotic environment 120 DEG C concentrated by ceramic membrane, concentrated solution be used for follow-up industrial utilization；COD value 200, reduces
Corn straw tradition slurrying is polluted, content of cellulose 93.5%；The bleaching of continuous print steaming and decocting removing lignin and cellulose is all
Carrying out under anoxybiotic environment, under drying regime, viscose rayon prepared by melt spinning, dry fracture strength 2.65cN/dtex,
Dry elongation at break 17%. wet breaking strength 1.7cN/dtex, regain more than 16%.
Claims (10)
1. microbial co culture pretreatment corn straw prepares a system for viscose rayon, contains with corn straw as the end
Thing, realizes biomass degradation rumen microorganism and rumen microorganism degradation product by special installation fermentation or metabolite utilizes micro-
Biology co-cultures pretreatment corn straw, and then realizes slurrying and prepare viscose rayon, it is characterised in that: to carry out corn straw
Maize straw skin after stalks of rice, wheat, etc. leaf separates with skin is raw material, uses rumen microorganism with rumen microorganism degradation product or metabolite profit
Co-culture by bacterium anaerobism, hemicellulose and instability fibre element in degrading straw skin, by regulation and control can in situ separation and fermentation product,
Realize maize straw skin Biological Pretreatment, remaining highly crystalline lignocellulose, under anoxybiotic environment, carry out continuous print steaming and decocting take off
Except lignin and the dyeing of cellulose or bleaching, centrifugal after cellulose pulp directly to carry out viscose glue in the case of containing certain moisture fine
The dissolving spinning of dimension, or under drying regime, viscose rayon prepared by melt spinning.
2. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: corn straw is cut into the sheet of 30mm ~ 40mm, Separation by vibration wood through the maize straw skin that stalks of rice, wheat, etc. leaf separates with skin seperator
After the straw knot that lignin content is higher, it is ground into 3 ~ 10 mm granules, dispels intracellular oxygen with the most oxygenous water soaking straw,
For follow-up fermentable, use as substrate.
3. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: co-culturing microorganism can have various ways, choose from the isolated Rumen Fungi of ruminant bovine rumen and cud
Antibacterial co-cultures；Choose ruminant tumor gastric fungus and producing and ethanol bacterium co-cultures；Choose ruminant tumor gastric fungus and produce butanol
Bacterium co-cultures；Choose ruminant tumor gastric fungus and lactic acid producing bacteria co-cultures；Choose ruminant tumor gastric fungus and produce butanoic acid
Bacterium co-cultures alcohol；Unstable cellulose and hemicellulose, generating portion monomer and highly crystalline wooden fibre in degrading maize straws skin
Dimension element.
4. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: will co-culturing microorganism and dispelling the straw skin of oxygen and carry out in a kind of continuous flow culture system after domestication
Ferment, tunning separates by continuous culture system and through membrane separation device in situ, does not produce antagonism, it is achieved symbiosis,
Fermentation time is 12 ~ 48 hours, completes the pretreatment of maize straw skin.
5. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: the lignocellulose after anaerobic fermentation, under totally-enclosed environment oxygen free condition, enter the continuously cooking system of anoxybiotic,
The medicament that steaming and decocting delignification uses is similarly and dispels oxygen solution, medicament use more traditional sulphate cook method reduce 10% ~
30%。
6. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: separating cellulose and continuously cooking residual liquid body under the conditions of hermetically sealed, content of cellulose 91% ~ 99.3%, cellulose enters
Enter the lower desanding workshop section closing anoxybiotic together, subsequently enter totally-enclosed anoxybiotic beating equipment, control cellulose by making beating and be polymerized
Degree, steaming and decocting residual liquid body, at 90 DEG C ~ 120 DEG C, is concentrated by ceramic membrane under anoxybiotic environment.
7. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1
Levy and be: isolated part corn stalk fiber cellulose fiber, keep entering in the case of primary colors next process dyeing workshop section or
Do not dye；Isolated part corn stalk fiber cellulose fiber is bleached in the case of anoxybiotic.
8. according to microbial co culture pretreatment corn straw a kind of described in claim 1,7 prepare viscose rayon system its
It is characterised by: the corn stalk fiber pulp of primary colors dyeing is centrifugal in the case of anoxybiotic, enters in the case of containing 10% ~ 30% moisture
Enter the direct dissolving spinning of dissolving pulp operation.
9. its spy of system of viscose rayon is prepared according to microbial co culture pretreatment corn straw a kind of described in claim 1,7
Levy and be: bleaching corn stalk fiber pulp is centrifugal in the case of anoxybiotic, in the case of containing 10% ~ 30% moisture, enter dissolving pulp
The direct dissolving spinning of operation prepares viscose rayon.
10. according to microbial co culture pretreatment corn straw a kind of described in claim 1,7 prepare viscose rayon system its
It is characterised by: directly carry out melt spinning after the centrifugal drying of pulp of primary colors dyeing or bleaching and prepare viscose rayon.
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| CN201610684324.0A CN106087089B (en) | 2016-08-18 | 2016-08-18 | A kind of system that microbial co culture pretreatment corn stover prepares viscose rayon |
| PCT/CN2017/098071 WO2018033146A1 (en) | 2016-08-18 | 2017-08-18 | System for preparing biomass monomer by means of microbial coculture |
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| CN201610684324.0A CN106087089B (en) | 2016-08-18 | 2016-08-18 | A kind of system that microbial co culture pretreatment corn stover prepares viscose rayon |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107326060A (en) * | 2017-04-06 | 2017-11-07 | 甘肃省科学院生物研究所 | A kind of method that anaerobic fermentation maize straw produces acetic acid |
| WO2018033146A1 (en) * | 2016-08-18 | 2018-02-22 | 侯哲生 | System for preparing biomass monomer by means of microbial coculture |
| CN107815753A (en) * | 2017-10-23 | 2018-03-20 | 李庆园 | Antistatic imitative hair composite fibre and preparation method thereof |
| CN107815752A (en) * | 2017-10-23 | 2018-03-20 | 李庆园 | High-elastic imitative hair composite fibre and preparation method thereof |
| CN107881611A (en) * | 2017-10-23 | 2018-04-06 | 李庆园 | Far infrared imitates hair composite fibre and preparation method thereof |
| CN112411234A (en) * | 2020-11-16 | 2021-02-26 | 黑龙江进化树生物科技有限公司 | Biological pollution-free pulping method of corn straws |
| CN112458030A (en) * | 2020-12-22 | 2021-03-09 | 广东溢多利生物科技股份有限公司 | Preparation method of clostridium butyricum preparation special for ruminants |
| CN114467772A (en) * | 2022-04-14 | 2022-05-13 | 中国科学院过程工程研究所 | Preparation process and preparation system of plant fiber cat litter |
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