CN101575817B - Method for degumming mulberry bast fiber microbe in solid state - Google Patents
Method for degumming mulberry bast fiber microbe in solid state Download PDFInfo
- Publication number
- CN101575817B CN101575817B CN2009100120727A CN200910012072A CN101575817B CN 101575817 B CN101575817 B CN 101575817B CN 2009100120727 A CN2009100120727 A CN 2009100120727A CN 200910012072 A CN200910012072 A CN 200910012072A CN 101575817 B CN101575817 B CN 101575817B
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- degumming
- bast fiber
- solid state
- water
- microbe
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- 239000000835 fiber Substances 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 29
- 240000000249 Morus alba Species 0.000 title claims abstract description 22
- 235000008708 Morus alba Nutrition 0.000 title claims abstract description 22
- 239000007787 solid Substances 0.000 title claims abstract description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000002351 wastewater Substances 0.000 claims abstract description 10
- 244000063299 Bacillus subtilis Species 0.000 claims abstract description 6
- 239000002994 raw material Substances 0.000 claims description 13
- 238000001035 drying Methods 0.000 claims description 5
- 238000009413 insulation Methods 0.000 claims description 5
- 238000005406 washing Methods 0.000 claims description 5
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- 239000007864 aqueous solution Substances 0.000 claims description 4
- 239000012531 culture fluid Substances 0.000 claims description 4
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 claims description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 claims description 2
- 241000933941 bacterium 24 Species 0.000 claims description 2
- 239000004202 carbamide Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 claims description 2
- 229910000397 disodium phosphate Inorganic materials 0.000 claims description 2
- 235000019800 disodium phosphate Nutrition 0.000 claims description 2
- 239000008103 glucose Substances 0.000 claims description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 claims description 2
- 235000019341 magnesium sulphate Nutrition 0.000 claims description 2
- 229910000402 monopotassium phosphate Inorganic materials 0.000 claims description 2
- 235000019796 monopotassium phosphate Nutrition 0.000 claims description 2
- PJNZPQUBCPKICU-UHFFFAOYSA-N phosphoric acid;potassium Chemical compound [K].OP(O)(O)=O PJNZPQUBCPKICU-UHFFFAOYSA-N 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- 230000003068 static effect Effects 0.000 claims description 2
- 239000000126 substance Substances 0.000 abstract description 5
- 241000894006 Bacteria Species 0.000 abstract description 3
- 238000003912 environmental pollution Methods 0.000 abstract description 3
- 230000000813 microbial effect Effects 0.000 abstract description 3
- 239000004753 textile Substances 0.000 abstract description 3
- 235000014469 Bacillus subtilis Nutrition 0.000 abstract description 2
- 240000006240 Linum usitatissimum Species 0.000 abstract 1
- 235000004431 Linum usitatissimum Nutrition 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 238000003836 solid-state method Methods 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 7
- 244000005700 microbiome Species 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- 238000004537 pulping Methods 0.000 description 2
- 238000009941 weaving Methods 0.000 description 2
- YASYEJJMZJALEJ-UHFFFAOYSA-N Citric acid monohydrate Chemical compound O.OC(=O)CC(O)(C(O)=O)CC(O)=O YASYEJJMZJALEJ-UHFFFAOYSA-N 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 239000001963 growth medium Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000009629 microbiological culture Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000013014 water-saving technology Methods 0.000 description 1
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- Micro-Organisms Or Cultivation Processes Thereof (AREA)
- Paper (AREA)
Abstract
The invention discloses a method for degumming mulberry bast fiber microbe in solid state, which is a method for degumming mulberry bast fiber microbe in solid state by selecting microbe, namely bacillus subtilis. The mass ratio of mulberry bast fiber to water is 1:1-5. The method is to complete degumming by adding pre-cultured special bacterium into a flax bast fiber by a solid state method undera condition of smaller water addition ratio. The method belongs to a water-saving process technique. The dosage proportion of microbial fluid is between 2 and 6 percent. The degumming method fundamentally solves the problem of pollution generated by the chemical degumming method; wastewater generated by degumming does not contain any chemical medicinal residue; and the requirement of filament orprocess fiber required by paper making and textile can be achieved by controlling the degumming degree, the ratio of residual gum is between 0.2 and 0.7 percent, and long fiber is improved by 5 percent compared with the prior art. The method reduces environmental pollution while improving resource utilization rate, and has wide application prospect.
Description
Technical field
The present invention relates to a kind of method for solid degumming of mulberry bast fiber, particularly select microorganism for use---bacillus subtilis (Bacillus subtilis, down together) carries out the method for mulberry bast fiber solid degumming.
Background technology
Mulberry bast fiber in the past all adopts alkaline process to come unstuck just can obtain papermaking, the required fibrous raw material of weaving, thereby but causes efficiency of pcr product very low owing to fiber can be subjected to bases destruction in various degree.Water addition ratio general when coming unstuck in addition, is 1: between the 20-30.Can produce a large amount of waste water in the process of coming unstuck, be difficult to administer, environmental pollution is serious, thereby this technology is subjected to strict restriction.
The water addition ratio of raw material was 1 when the liquid microbial method of nearly more than ten years development was come unstuck: about 20-30, can produce a large amount of waste water equally in the process of coming unstuck, decrease though sewage system is managed cost, but still be one of difficult problem of puzzlement industry development.
For this reason, demand developing a kind of production technology novel, efficient, environmental protection urgently and substitute existing technology.
Summary of the invention
The method that the purpose of this invention is to provide the solid-state microbial degumming of a kind of mulberry bast fiber.
Concrete operations step of the present invention is as follows:
The first step: choose mulberry tree bast part, be made into fibre bundle, add running water, the mass ratio of fibre bundle and running water is 1: 1～5, with limewash adjust pH 5～8, obtains the aqueous solution of mulberry bast fiber.
Second step: add the bacillus subtilis bacteria culture fluid in the aqueous solution of mulberry bast fiber, the bacillus subtilis bacteria culture fluid is 2～6% of a water addition ratio total amount, comes unstuck 1～5 day 30～40 ℃ of insulations, and the preferred time is 3 days.Wherein the culture of strains method is the urea of glucose 3%, 0.2%, 0.65% sodium hydrogen phosphate, and 0.4% potassium dihydrogen phosphate, 0.1% sodium chloride, 0.12% magnesium sulfate, surplus is a water, natural pH value, 0.1MPa/CM
2Sterilized 20 minutes, it is standby that cooling inserts 30 ℃ of static cultivations of former bacterium 24 hours.
The 3rd step: observe fibre bundle, treat its be torn by hand reticulate after, remove degumming waste water, with promptly getting fibrous raw material after clear water washing, the drying.Residual gum content in the fibrous raw material that obtains is 0.2～0.7%, and the existing technology of long fiber has improved 5%.
As long as under the above-mentioned condition of coming unstuck, can guarantee the microorganism used therefor normal growth.
Characteristics of the present invention are to add pre-cultured special bacterium solid state process to finish and come unstuck under less water addition ratio condition; Belong to water-saving technology.Because water is few, the more original inventory in the pond of coming unstuck of equal volume has increased by 3～4 times.The waste residue that the process of coming unstuck produces can be gone back the field on the spot, has alleviated the solid content load in the waste water.Solved warm water and warm water and added that the water addition ratio of bacterium retted fibre is big, the problems such as severe contamination of chemical method.
Tu Chu advantage is to control the degumming degree of bast fiber especially, prepares process of fiber or filament and produces needs to satisfy.
The method for degumming and pulping of mulberry bast fiber provided by the invention has fundamentally been eliminated the pollution problem that is produced by chemical degumming, and no any chemical medicinal residue in the waste water that produces that comes unstuck does not have any pollution to environment, is environmental type technology; The back gained fibrous raw material that comes unstuck reaches the requirement of pulping and paper-making, weaving fully, and residual gum content is 0.2-0.7%, and the existing technology of long fiber has improved 5%.This method has realized having reduced environmental pollution when improving resource utilization, has broad application prospects.
The specific embodiment
Embodiment 1,
Choose mulberry tree bast part, be made into fibre bundle, press mass ratio and add running water at 1: 2.5, with limewash adjust pH 7, the microbial culture medium that adds water addition ratio total amount 3% came unstuck 3 days 35 ℃ of insulations, took out fibre bundle during this period and observed, and treated that it is torn by hand that reticulating promptly comes unstuck finishes.Remove degumming waste water, with promptly obtaining papermaking, textile fiber raw material after clear water washing, the drying, the residual gum content of fibrous raw material is 0.6%.
Embodiment 2,
Choose mulberry tree bast part, be made into fibre bundle, press mass ratio and add running water at 1: 2.8, with limewash adjust pH 8, the microorganism liquid that adds water addition ratio total amount 4% is 37 ℃ of insulations 4 days, takes out fibre bundle during this period and observes and treat that it is torn by hand that reticulating promptly comes unstuck finishes.Remove degumming waste water, with promptly obtaining the paper grade (stock) fibrous raw material after clear water washing, the drying, the residual gum content of fibrous raw material is 0.31%.
Embodiment 3,
Choose mulberry tree bast part, be made into fibre bundle, press mass ratio and add running water at 1: 3.5, with citric acid water adjust pH 6, the microorganism liquid that adds water addition ratio total amount 5% was 38 ℃ of insulations 3 days.Taking out fibre bundle during this period observes and to treat that it is torn by hand that reticulating promptly comes unstuck finishes.Remove degumming waste water, with promptly obtaining papermaking, textile fiber raw material after clear water washing, the drying, the residual gum content of fibrous raw material is 0.21%.
Claims (3)
1. the method for a degumming mulberry bast fiber microbe in solid state is characterized in that the concrete operations step is as follows:
The first step: choose mulberry tree bast part, be made into fibre bundle, add running water, the mass ratio of fibre bundle and running water is 1: 1～5, with limewash adjust pH 5～8, obtains the aqueous solution of mulberry bast fiber;
Second step: add the bacillus subtilis bacteria culture fluid in the aqueous solution of mulberry bast fiber, the bacillus subtilis bacteria culture fluid is 2～6% of a water addition ratio total amount, comes unstuck 1～5 day 30～40 ℃ of insulations;
The 3rd step: observe fibre bundle, treat its be torn by hand reticulate after, remove degumming waste water, with promptly getting fibrous raw material after clear water washing, the drying;
Wherein, the culture of strains method is: the urea of glucose 3%, 0.2%, and 0.65% sodium hydrogen phosphate, 0.4% potassium dihydrogen phosphate, 0.1% sodium chloride, 0.12% magnesium sulfate, surplus is a water, natural pH value, 0.1MPa/CM
2Sterilized 20 minutes, it is standby that cooling inserts 30 ℃ of static cultivations of former bacterium 24 hours.
2. the method for a kind of degumming mulberry bast fiber microbe in solid state according to claim 1 is characterized in that usually time is 3 days.
3. the method for a kind of degumming mulberry bast fiber microbe in solid state according to claim 1, the residual gum content in the fibrous raw material that it is characterized in that obtaining is 0.2～0.7%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100120727A CN101575817B (en) | 2009-06-15 | 2009-06-15 | Method for degumming mulberry bast fiber microbe in solid state |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009100120727A CN101575817B (en) | 2009-06-15 | 2009-06-15 | Method for degumming mulberry bast fiber microbe in solid state |
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| Publication Number | Publication Date |
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| CN101575817A CN101575817A (en) | 2009-11-11 |
| CN101575817B true CN101575817B (en) | 2011-05-04 |
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| CN2009100120727A Expired - Fee Related CN101575817B (en) | 2009-06-15 | 2009-06-15 | Method for degumming mulberry bast fiber microbe in solid state |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104651957A (en) * | 2014-06-26 | 2015-05-27 | 广西融水县鑫源木业制品有限公司 | Method for preparing mulberry bast fibers |
| CN107523885A (en) * | 2017-07-06 | 2017-12-29 | 温美群 | A kind of mulberry tree hide fiber extracting method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371990A (en) * | 2001-09-26 | 2002-10-02 | 山东大学 | Bacterial strain producing phloem fibre degumming enzyme and its application in ramie and hemp degumming |
| CN1374398A (en) * | 2002-04-12 | 2002-10-16 | 山东省纤维检验局 | Prepn and use of enzyme prepn for use in hemp degluing industrial process |
| CN1594719A (en) * | 2004-07-01 | 2005-03-16 | 徐奎元 | Peeling and degumming process for hemp plants |
-
2009
- 2009-06-15 CN CN2009100120727A patent/CN101575817B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1371990A (en) * | 2001-09-26 | 2002-10-02 | 山东大学 | Bacterial strain producing phloem fibre degumming enzyme and its application in ramie and hemp degumming |
| CN1374398A (en) * | 2002-04-12 | 2002-10-16 | 山东省纤维检验局 | Prepn and use of enzyme prepn for use in hemp degluing industrial process |
| CN1594719A (en) * | 2004-07-01 | 2005-03-16 | 徐奎元 | Peeling and degumming process for hemp plants |
Non-Patent Citations (2)
| Title |
|---|
| 白延坤等.光叶楮白皮生物脱胶制浆及其机理研究.《中国造纸学报》.2006,第21卷(第4期),22-25. * |
| 白延坤等.光叶楮白皮生物脱胶制浆及其机理研究.<<中国造纸学报>>.2006,第21卷(第4期),22-25. |
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| CN101575817A (en) | 2009-11-11 |
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