CN1693581A - Manufacturing method of soluble bamboo pulp - Google Patents
Manufacturing method of soluble bamboo pulp Download PDFInfo
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- CN1693581A CN1693581A CN 200510013364 CN200510013364A CN1693581A CN 1693581 A CN1693581 A CN 1693581A CN 200510013364 CN200510013364 CN 200510013364 CN 200510013364 A CN200510013364 A CN 200510013364A CN 1693581 A CN1693581 A CN 1693581A
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Abstract
This invention relates to a manufacturing method of soluble bamboo pulp. The materials is bamboo dregs, and technique is that bamboo dregs to boiling to materials washing to refinery to material washing to sand eliminating to chlorination to alkali sluicing to bleaching to neutralization to copy manufacturing to soluble bamboo pulp. Sulfate method is used to make pulp in boiling process, and boiling is processed in rotary spherical digester device or continuous boiling device. Sulfate method plus additive method is used in refinery process, the additive is polyxylose enzyme or woody prime sodium sulfonate, and they are also processed in rotary spherical digester device or continuous boiling device. The advantages are good quality of alpha pulp material for regenerated fiber generation, and fully using resource, protecting environment.
Description
Technical field
The present invention relates to a kind of fibrous raw material manufacturing technology, be specially a kind of manufacture method of soluble bamboo pulp, this soluble bamboo pulp can be used as the production that fibrous raw material is used for tModified Cellulose Fibers, and international monopoly Main classification number plan is Int.Cl
7.D01C1/02.
Background technology
Along with improving constantly of the enhancing of people's environmental consciousness, consumption concept, synthetic fiber shared proportion in people's current consumption descends year by year, and especially the oil spike crisis that production brings to synthetic fiber also manifests day by day.Therefore, fiber process person invests those environment amenable fibre resources again with sight, that is to say that the abundant development and use of natural fabric resource obtain people's attention just again.Bamboo resource has become one of important cellulose source at present as China's one big characteristic resources.Traditional native cellulose fibre is many to be raw material with trees (waste material), has expended a large amount of trees resources, also fights for the trees resources with upholstery, adnornment industry etc. simultaneously, causes resource anxiety and rise in price.Compare with trees, bamboo has the survival rate of shorter growth cycle and Geng Gao, therefore utilizes bamboo to make cellulose fibre and has better economic benefit and social benefit.
The key of utilizing the bamboo raw material to make cellulose fibre is the preparation soluble bamboo pulp.And then just can make the bamboo regenerated fiber easily.At present, the research and development method of producing soluble bamboo pulp with bamboo wood mainly contains: 1. sulphite cooking process (referring to Chinese patent CN1399011A).This method is the manufacturing technique method that a kind of employing sulfite cooking (sodium base) is made bamboo viscose fiber, the cellulosic degree of polymerization of product 〉=450; The fine content of first 〉=93%.The deficiency that the sulphite cooking process exists is to have adopted violent post-treatment condition in order to obtain the fine content of higher first, has increased the degraded of cellulose macromolecule, and therefore, the cellulosic degree of polymerization of product is lower; 2.NaOH-H
2O
2Cooking process (referring to Chinese patent CN1381620A).This method needs to add NaOH, hydrogen peroxide in digestion process, aerating oxygen and adding protective agent KCF.This method is introduced a large amount of generations that oxidant can cause oxycellulose, has increased cellulosic latent lesion, the following process of unfavorable fiber and actual the use; 3. the bamboo pulp denatured method of papermaking (referring to Chinese patent CN1385287A).The feature of this method is that the bamboo pulp to boiling carries out the boiling second time, and promptly insoluble bamboo pulp obtains the dissolubility pulp through boiling for the second time again after shredding behind the alkali steeping, pulverizing, infiltration.The secondary boiled meeting that this method is violent makes the cellulose damage serious, and the pulp yield reduces, and practical application is tested.Simultaneously, in described patent documentation, a common technical characterstic is exactly all to be suitable for the culm bar in its process, promptly uses the former bamboo culm bar after cutting off to make soluble bamboo pulp for the raw material of this process.This makes the scope of application of bamboo raw material be subjected to certain constraint, and exploitation and production cost are also higher, is unfavorable for the industrialization promotion and the production application of bamboo raw material.
Summary of the invention
At the deficiencies in the prior art, the technical problem to be solved in the present invention is the manufacture method of a kind of soluble bamboo pulp of design.This manufacture method is to be the process that raw material is made soluble bamboo pulp with the bamboo slag, and then can utilize this soluble bamboo pulp to produce the bamboo wood regenerated fiber easily.It is low that this manufacture method has a cost, and useful environmental protection is suitable for characteristics such as industrial applications.
The technical scheme that the present invention solve the technical problem is: the manufacture method that designs a kind of soluble bamboo pulp, this manufacture method is made raw material with the bamboo slag, and adopt following technological process: bamboo slag → boiling → wash material → refining → wash expects → removes sand → chlorination → alkali fine purifiation → bleach → neutralize → manufacture paper with pulp → soluble bamboo pulp, wherein
Cooking process adopts sulfate pulping, carries out boiling in rotary spherical digester machine or continuous cooking machine, and technical conditions are: heavy with Na to oven dry stock
2The total alkali of O meter is 10-25%; The sulphidity heavy to oven dry stock is 10-25%; Liquor ratio 1: 3-4; Temperature control: 100 ℃ of reinforced running 40min, 1h to 140-165 ℃ of intensification; 140-165 ℃ of insulation 1h; 30-40min is warming up to 160-175 ℃; 175 ℃ of insulation 2-4h; Cooking quality: KMnO
4Value 5-20; The fine content of first＞80%; Average degree of polymerization＞1000;
Refining procedure adopts sulfate process+additive method removal of impurities, and described additive is xylan enzyme or sodium lignin sulfonate; Technical conditions are: the xylan enzyme heavy to oven dry stock is 0.3-4.0%; Heavy to oven dry stock with Na
2The total alkali of O meter is 5-10%; The sulphidity heavy to oven dry stock is 3-8%; Liquor ratio 1: 3-4; Temperature control: 45 ℃ of addition polymerization xylosidase running 60-120min; 100 ℃ of reinforced running 40min; 1h is warming up to 140-145 ℃; 140-145 ℃ of insulation 1h; 30-40min is warming up to 150-165 ℃; 150-165 ℃ of insulation 2-4h.
Compared with prior art, manufacture method of the present invention can adopt industrial waste bamboo slag to produce bamboo dissolved pulp.Because the bamboo slag raw material that the inventive method adopts is the discarded object after the bamboo industrialization processing, so raw materials enjoy stable sources, processing is simple, makes things convenient for the industrializing implementation of the inventive method to promote especially.The present invention has adopted " boiling → refining " technology mode to handle the bamboo slag that is difficult to handle uniquely, not only can remove bamboo slag impurities in raw materials effectively, and can reduce cellulosic damage significantly, therefore it is little that product of the present invention has the cellulose damage, the fine content of first is many, the cellulosic degree of polymerization height, cost is lower, is convenient to characteristics such as industrial applications.
The specific embodiment
Further narrate the present invention below in conjunction with embodiment:
The manufacture method of a kind of soluble bamboo pulp of the present invention can be produced soluble bamboo pulp as raw material with the bamboo slag.Compare with conventional art, making soluble bamboo pulp with the bamboo slag is one of outstanding feature of manufacture method of the present invention.With regard to suitability for industrialized production, bamboo slag of the present invention is meant the discarded object that produces in the various bamboo product processing.For example, the discarded bamboo slag that is produced in the time of can utilizing " production method of medical, edible fresh bamboo products " (referring to ZL 94111632.8) production and processing is made soluble bamboo pulp.The reason that past bamboo slag is difficult to utilize mainly is, in traditional mashing off technical process, (traditional pulping technique adopts once whole strain to vigorous reaction, must adopt violent process conditions to satisfy the requirement of the fine content of first, can cause the damage of cellulose principal component thus, dust removal rate is not remarkable yet) cellulosic degree of polymerization is declined to a great extent, the cellulose major injury, so that follow-up spinning process is difficult to carry out, and does not possess practical value." boiling → refining " combined technical method of the present invention's design not only can improve the fine content of first in the finished product, and can protect cellulose not to be subjected to effectively or few damaged, and cellulosic degree of polymerization and molecular weight distribution also obviously are better than described prior art.Bamboo slag of the present invention is the bamboo slag of the living cizu of particularly suitable 1-2 also.The method that the present invention utilizes the bamboo slag to make soluble bamboo pulp not only can provide the pulp raw material of high-quality for regenerated fiber production, and the more important thing is also and can make full use of bamboo resource, and the protection environment is realized sustainable development.
The manufacture method of soluble bamboo pulp of the present invention adopts the bamboo slag to do raw material, and adopts following technological process to finish the manufacturing of soluble bamboo pulp: bamboo slag → boiling → wash material → refining → wash expects → removes sand → and chlorination → alkali fine purifiation → bleach → neutralize → manufacture paper with pulp → soluble bamboo pulp.Wherein, cooking process adopts sulfate pulping.Described sulfate process i.e. " NaOH-Na
2S method ".This method itself is a kind of pulping process commonly used, but generally is used for the manufacturing of non-dissolving pulp (as the papermaking pulp), does not see the bibliographical information that is used for the bamboo dissolved pulp production process.
It is NaOH-Na that the described refining procedure of manufacture method of the present invention has designed " sulfate process+additive method " uniquely
2The removal of impurities of S-additive method.This also is one of outstanding feature of the inventive method.This method not only can be removed impurity effectively, but also can reduce cellulosic damage.In the refining procedure of introducing, described additive be meant biology enzyme or sodium lignin sulfonate, under the synergy of biology enzyme or sodium lignin sulfonate, can further improve the efficient of removing hemicellulose, lignin.Because biology enzyme can promote the decomposition of hemicellulose, lignin, sodium lignin sulfonate then can be accelerated the process that lignin is peeled off from cell detachment, the disintegration of bamboo slag, cellulose dispersion.And the sulfate process (NaOH-Na of design
2S) be the continuity of front cooking process sulfate process, front and back are collaborative, and efficient improves.The biology enzyme that the described additive of the inventive method adopts mainly is meant the xylan enzyme, but this does not get rid of other suitable biology enzymes of employing.
The manufacture method of soluble bamboo pulp of the present invention is further characterized in that between described bamboo slag → cooking process also design has the dedusting operation; Described neutralization → manufacture paper with pulp between the operation also design the secondary operation of removing sand is arranged, also be the following design of whole technological processes of soluble bamboo pulp manufacture method of the present invention: bamboo slag → dedusting → boiling → wash material → refining → wash expects → removes sand → chlorination → alkali fine purifiation → bleaching → neutralization → secondary removes sand → manufacture paper with pulp → soluble bamboo pulp.Increase the one procedure that does not have in the dedusting operation prior art of design, its purpose is to remove " bamboo young pilose antler " and other impurity in the bamboo slag forming process.The equipment that the dedusting operation is adopted is dust cage formula or hired roughneck's formula dust removal machine, and its process conditions are: hired roughneck's rotating speed 160-220 commentaries on classics/min is 3-6mm with spacing of the end of leakage.Increase the remove sand purpose of operation of design secondary and then be further to remove inorganic salts or metal oxide in the pulp,, improve the quality of products to reduce the content of ash and irony in the solubilized pulp.
The main technologic parameters of each operation of manufacture method of the present invention is as follows:
(1) bamboo slag: bamboo slag of the living cizu of 1-2 or the discarded bamboo slag of bamboo product processing, the discarded bamboo slag that is produced during particularly according to " production method of medical, edible fresh bamboo products " (referring to ZL 94111632.8) production and processing.
(2) dedusting: when design has the dedusting operation, use dust cage formula or hired roughneck's formula dust removal machine that the bamboo slag is implemented shredding, dedusting, its process conditions are: hired roughneck's rotating speed 160-220 commentaries on classics/min, and with the 3-6mm that spaces that leaks the end.
(3) boiling: cooking process can carry out in rotary spherical digester machine or continuous cooking machine, and technical conditions are:
Total alkali is (with Na
2The O meter): 10-25% (heavy) to oven dry stock;
Sulphidity: 10-25% (heavy) to oven dry stock;
Liquor ratio: 1: 3-4;
Temperature control: 100 ℃ of reinforced running 40min, 1h to 140-165 ℃ of intensification;
140-165 ℃ of insulation 1h; 30-40min is warming up to 160-175 ℃;
175 ℃ of insulation 2-4h; As required can little venting 1-in the temperature-rise period
2 times.
Cooking quality: KMnO4 value 5-20;
The fine content of first＞80%;
Average degree of polymerization＞1000.
(4) refining: can in rotary spherical digester machine or continuous cooking machine, carry out
Xylan enzyme 0.3-4.0% (heavy) to oven dry stock;
Total alkali (in Na2O): 5-10% (heavy) to oven dry stock;
Sulphidity: 3-8% (heavy) to oven dry stock;
Liquor ratio: 1: 3-4;
Temperature control: 45 ℃ of addition polymerization xylosidase running 60-120min; 100 ℃ of reinforced fortune
Change 40min; 1h is warming up to 140-145 ℃; 140-145 ℃ of insulation 1h;
30-40min is warming up to 150-165 ℃; 150-165 ℃ of insulation 2-4h;
As required can little venting in the temperature-rise period 1-2 time.
(5) chlorination: the totally applied chlorine of chlorine consumption 50-70%;
Starch dense 4-8%;
Time 40-120min;
Temperature normal temperature.
(6) alkali fine purifiation: starch dense 4-6%;
Alkali charge PH7-9;
Temperature 50-90 ℃;
Time 40-90min.
(7) bleaching: the totally applied chlorine of chlorine consumption 30-40%;
Starch dense 4-6%;
Time 60-180min;
Temperature 30-50 ℃.
All the other wash material, remove sand, the technology of chlorination, each operation such as neutralize, manufacture paper with pulp is identical with the technology of conventional method.
The solubility bamboo pulp of using process manufacturing of the present invention to obtain adopts conventional rayon spinning technology to carry out the spinning test, can access the high-quality bamboo fibre that physical index surpasses the GB/T14463-93 standard-required.Function admirables such as its dyeability, drapability, flexibility are particularly suitable for the processing of spring and summer clothes in autumn, underwear product.
Provide the specific embodiment of the inventive method below:
Embodiment 1:
(1) bamboo slag: the discarded bamboo slag that is produced when adopting " production method of medical, edible fresh bamboo products " (referring to ZL94111632.8) production and processing.
(2) dedusting: dust cage formula dust removal machine is implemented shredding, dedusting to the bamboo slag.Process conditions are: hired roughneck's rotating speed 180 commentaries on classics/min, and with the 4mm that spaces that leaks the end.
(3) boiling: in the rotary spherical digester machine, carry out boiling.Technical conditions are:
Total alkali is (with Na
2The O meter) 15% (heavy) to oven dry stock;
Sulphidity 20% (heavy) to oven dry stock;
Liquor ratio 1: 4.
Temperature control: 100 ℃ of reinforced running 40min, 1h to 140 ℃ of intensification; 140-
143 ℃ of insulation 1h; 40min is warming up to 175 ℃; 175 ℃ of insulation 2-4h;
The medium and small venting of temperature-rise period 2 times.
Cooking quality: KMnO
4Value 16, the fine content 83% of first, average degree of polymerization 1180.
(4) refining: in the rotary spherical digester machine, carry out
Xylan enzyme 1.0% (heavy) to oven dry stock;
Total alkali is (with Na
2The O meter) 8% (heavy) to oven dry stock;
Sulphidity 5% (heavy) to oven dry stock;
Liquor ratio 1: 4;
Temperature control: 45 ℃ of addition polymerization xylosidase running 60min; Add the material running for 100 ℃
20min, and be warming up to 100 ℃; 1h is warming up to 140 ℃; 140-142 ℃
Insulation 1h, 40min is warming up to 165 ℃; 165 ℃ of insulation 2h; Heated up
Do not exit in the journey.
(5) chlorination: the totally applied chlorine of chlorine consumption 70%;
Starch dense 4.6%;
Time 50min;
Temperature normal temperature.
(6) alkali fine purifiation: starch dense 4.6%;
Alkali charge: 1.2% (heavy) to oven dry stock;
70 ℃ of temperature;
Time 40min.
(7) bleaching: the totally applied chlorine of chlorine consumption 30%;
Starch dense 4.6%;
Time 90min;
35 ℃ of temperature.
All the other wash material, remove sand, the technology of chlorination, each operation such as neutralize, manufacture paper with pulp is identical with the technology of conventional method.
Through check, the quality of prepared soluble bamboo pulp is:
The fine content 93.5% of first;
The degree of polymerization 670;
Whiteness 81.5%;
Irony (ppm) 15;
Reactivity is passed through;
Ash 0.1%.
Embodiment 2:
(1) bamboo slag: adopt the bamboo slag after 2 years living cizu is extracted bamboo juice.
(2) dedusting: the shredding of vertical beater formula dust removal machine, dedusting.Hired roughneck's rotating speed 160 commentaries on classics/min are with the 6mm that spaces that leaks the end.
(3) boiling: in the boiling of rotary spherical digester machine, technical conditions are:
Total alkali is (with Na
2The O meter) 14% (heavy) to oven dry stock;
Sulphidity 22% (heavy) to oven dry stock;
Liquor ratio 1: 4;
Temperature control: 100 ℃ of reinforced running 40min, 1h is warming up to 145 ℃; 145 ℃ of guarantors
Temperature 1h, 30min is warming up to 175 ℃; 175 ℃ of insulation 3h; Little venting 1 time.
Cooking quality: KMnO
4Value 13, the fine content 85% of first, average degree of polymerization 950.
(4) refining: carry out in continuous cooking machine, technical conditions are:
Xylan enzyme 0.8% (heavy) to oven dry stock;
Total alkali is (with Na
2The O meter) 8% (heavy) to oven dry stock;
Sulphidity 5% (heavy) to oven dry stock;
Liquor ratio 1: 4;
Temperature control: 45 ℃ of addition polymerization xylosidase running 60min; 100 ℃ add the alkali running
40min, 40min to 140 ℃ of intensification; 143-145 ℃ of insulation 1h, 40min
Be warming up to 165 ℃; 165 ℃ of insulation 2h; The medium and small venting of temperature-rise period 2 times.
(5) chlorination: the totally applied chlorine of chlorine consumption 66%;
Starch dense 4%;
Time 60min;
Temperature normal temperature;
(6) alkali refining: starch dense 4%;
Alkali charge: 1.5%;
70 ℃ of temperature;
Time 50min;
(7) bleaching: the totally applied chlorine of chlorine consumption 34%;
Starch dense 4%;
Time 90min;
35 ℃ of temperature;
All the other wash material, remove sand, the technology of chlorination, each operation such as neutralize, manufacture paper with pulp is identical with the technology of conventional method.
Through check, the quality of prepared soluble bamboo pulp is:
The fine content 94.2% of first;
The degree of polymerization 540;
Whiteness 82%;
Irony (ppm) 18;
Reactivity is passed through;
Ash 0.09.
Embodiment 3
(1) bamboo slag: the bamboo slag of 2 years living cizu.
(2) dedusting: the shredding of vertical beater formula dust removal machine, dedusting.Hired roughneck's rotating speed 180 commentaries on classics/min and leak the end 5mm that spaces.
(3) boiling: can carry out boiling in continuous cooking machine, technical conditions are:
Total alkali is (with Na
2The O meter) 25% (heavy) to oven dry stock;
Sulphidity 20% (heavy) to oven dry stock;
Liquor ratio 1: 3.5;
Temperature control: 100 ℃ of reinforced running 40min, 1h to 150-152 ℃ of intensification;
150-152 ℃ of insulation 1h; 30-40min is warming up to 160 ℃;
160 ℃ of insulation 2-4h; Can little venting in the temperature-rise period 1 time.
Cooking quality: KMnO
4Value 11;
The fine content 87% of first;
Average degree of polymerization 1080.
(4) refining: xylan enzyme 4.0% (heavy) to oven dry stock;
Total alkali is (with Na
2The O meter) 8% (heavy) to oven dry stock;
Sulphidity 5% (heavy) to oven dry stock;
Liquor ratio 1: 3;
Temperature control: 45 ℃ of addition polymerization xylosidase running 120min; 100 ℃ of reinforced runnings
40min; 1h is warming up to 140-142 ℃; Insulation 1h; 40min is warming up to
165 ℃; Insulation 3h; The medium and small venting of temperature-rise period 1 time.
(5) chlorination: the totally applied chlorine of chlorine consumption 50%;
Starch dense 5%;
Time 120min;
Temperature normal temperature.
(6) alkali fine purifiation: starch dense 4%;
Alkali charge PH9;
70 ℃ of temperature;
Time 60min.
(7) bleaching: the totally applied chlorine of chlorine consumption 30%;
Starch dense 5%;
Time 120min;
45 ℃ of temperature.
All the other wash material, remove sand, the technology of chlorination, each operation such as neutralize, manufacture paper with pulp is identical with the technology of conventional method.
Through check, prepared soluble bamboo pulp quality is:
The fine content 93.2% of first;
The degree of polymerization 850;
Whiteness 80%;
Irony (ppm) 12;
Reactivity is passed through;
Ash 0.08.
Embodiment 4
(1) bamboo slag: with embodiment 1
(2) dedusting: with embodiment 1
(3) boiling: can carry out boiling in continuous cooking machine, technical conditions are:
Total alkali is (with Na
2The O meter) 25% (heavy) to oven dry stock;
Sulphidity 20% (heavy) to oven dry stock;
Liquor ratio 1: 4;
Temperature control: 100 ℃ of reinforced running 40min, 1h to 150-152 ℃ of intensification;
150-152 ℃ of insulation 1h; 30-40min is warming up to 165 ℃;
165 ℃ of insulation 3h; Can little venting in the temperature-rise period 1 time.
Cooking quality: KMnO
4Value 11;
The fine content 85% of first;
Average degree of polymerization 1000.
(4) refining: sodium lignin sulfonate 0.8% (heavy) to oven dry stock;
Total alkali (in Na2O) 10% (heavy) to oven dry stock;
Sulphidity 7% (heavy) to oven dry stock;
Liquor ratio 1: 3.5;
Temperature control: 45 ℃ of addition polymerization xylosidase running 60-120min; 100 ℃ of reinforced runnings
40min; 1h is warming up to 140-142 ℃; 140-142 ℃ of insulation 1h; 40min
Be warming up to 165 ℃; 165 ℃ of insulation 2.5h; The medium and small venting of temperature-rise period 1 time.
Other operation and technical conditions are with embodiment 3.
Through check, the quality of prepared soluble bamboo pulp is:
The fine content 91% of first;
The degree of polymerization 790;
Whiteness 82%;
Irony (ppm) 17;
Reactivity is passed through;
Ash 0.09.
Claims (4)
1. the manufacture method of a soluble bamboo pulp, this manufacture method is made raw material with the bamboo slag, and adopts following technological process: bamboo slag → boiling → wash material → refining → wash expects → removes sand → chlorination → alkali fine purifiation → bleach → neutralize → manufacture paper with pulp → soluble bamboo pulp, wherein,
Cooking process adopts sulfate pulping, carries out boiling in rotary spherical digester machine or continuous cooking machine, and technical conditions are: heavy with Na to oven dry stock
2The total alkali of O meter is 10-25%; The sulphidity heavy to oven dry stock is 10-25%; Liquor ratio 1: 3-4; Temperature control: 100 ℃ of reinforced running 40min, 1h to 140-165 ℃ of intensification; 140-165 ℃ of insulation 1h; 30-40min is warming up to 160-175 ℃; 175 ℃ of insulation 2-4h; Cooking quality: KMnO
4Value 5-20; The fine content of first＞80%; Average degree of polymerization＞1000;
Refining procedure adopts sulfate process+additive method removal of impurities, and described additive is xylan enzyme or sodium lignin sulfonate; Technical conditions are: the xylan enzyme heavy to oven dry stock is 0.3-4.0%; Heavy to oven dry stock with Na
2The total alkali of O meter is 5-10%; The sulphidity heavy to oven dry stock is 3-8%; Liquor ratio 1: 3-4; Temperature control: 45 ℃ of addition polymerization xylosidase running 60-120min; 100 ℃ of reinforced running 40min; 1h is warming up to 140-145 ℃; 140-145 ℃ of insulation 1h; 30-40min is warming up to 150-165 ℃; 150-165 ℃ of insulation 2-4h.
2. the manufacture method of soluble bamboo pulp according to claim 1 is characterized in that between described bamboo slag → cooking process, and also design has the dedusting operation; In described neutralization → manufacture paper with pulp between the operation, also design has the secondary operation of removing sand; Described dedusting operation employing equipment is dust cage formula or hired roughneck's formula dust removal machine, and its process conditions are: hired roughneck's rotating speed 160-220 commentaries on classics/min is 3-6mm with spacing of the end of leakage.
3. the manufacture method of soluble bamboo pulp according to claim 1 and 2 is characterized in that at the bamboo slag of described bamboo slag for the living cizu of 1-2.
4. the manufacture method of soluble bamboo pulp according to claim 1 and 2 is characterized in that at described bamboo slag be the discarded bamboo slag in production method processing back that utilizes medical, edible fresh bamboo products.
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| CNB2005100133644A CN100342077C (en) | 2005-04-27 | 2005-04-27 | Manufacturing method of soluble bamboo pulp |
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| CN102121201A (en) * | 2010-11-22 | 2011-07-13 | 福建农林大学 | Preparation method of bamboo dissolving pulp |
| CN102561079A (en) * | 2011-12-27 | 2012-07-11 | 北京晨峰投资控股有限公司 | Sulfate pulping method for compressed bamboo chips |
| CN103122594A (en) * | 2012-11-19 | 2013-05-29 | 山东轻工业学院 | Production method of dissolving pulp |
| CN106579542A (en) * | 2017-01-26 | 2017-04-26 | 福建金闽再造烟叶发展有限公司 | Paper pulp, preparation method thereof and fine cigarettes |
| CN112316068A (en) * | 2020-11-04 | 2021-02-05 | 江西中竹生物质科技有限公司 | Method for extracting fresh bamboo juice by using ultrasonic waves |
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| CN1088129C (en) * | 2000-11-02 | 2002-07-24 | 河北吉藁化纤有限责任公司 | Technological process of producing viscose fiber size with bamboo and timber material |
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| CN102121201A (en) * | 2010-11-22 | 2011-07-13 | 福建农林大学 | Preparation method of bamboo dissolving pulp |
| CN102561079A (en) * | 2011-12-27 | 2012-07-11 | 北京晨峰投资控股有限公司 | Sulfate pulping method for compressed bamboo chips |
| CN102561079B (en) * | 2011-12-27 | 2014-08-20 | 北京晨峰投资控股有限公司 | Sulfate pulping method for compressed bamboo chips |
| CN103122594A (en) * | 2012-11-19 | 2013-05-29 | 山东轻工业学院 | Production method of dissolving pulp |
| CN103122594B (en) * | 2012-11-19 | 2014-03-12 | 山东轻工业学院 | Production method of dissolving pulp |
| CN106579542A (en) * | 2017-01-26 | 2017-04-26 | 福建金闽再造烟叶发展有限公司 | Paper pulp, preparation method thereof and fine cigarettes |
| CN106579542B (en) * | 2017-01-26 | 2018-10-30 | 福建金闽再造烟叶发展有限公司 | A kind of paper pulp and preparation method thereof and ramuscule cigarette |
| CN112316068A (en) * | 2020-11-04 | 2021-02-05 | 江西中竹生物质科技有限公司 | Method for extracting fresh bamboo juice by using ultrasonic waves |
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| CN100342077C (en) | 2007-10-10 |
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