CN113832757A - Two-section extrusion and two-section impregnation bio-mechanical pulping process - Google Patents
Two-section extrusion and two-section impregnation bio-mechanical pulping process Download PDFInfo
- Publication number
- CN113832757A CN113832757A CN202111026713.1A CN202111026713A CN113832757A CN 113832757 A CN113832757 A CN 113832757A CN 202111026713 A CN202111026713 A CN 202111026713A CN 113832757 A CN113832757 A CN 113832757A
- Authority
- CN
- China
- Prior art keywords
- stage
- bamboo chips
- bio
- extrusion
- pulp
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004537 pulping Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 34
- 238000001125 extrusion Methods 0.000 title claims abstract description 28
- 238000005470 impregnation Methods 0.000 title claims abstract description 24
- 239000007788 liquid Substances 0.000 claims abstract description 38
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims abstract description 31
- 235000017491 Bambusa tulda Nutrition 0.000 claims abstract description 31
- 241001330002 Bambuseae Species 0.000 claims abstract description 31
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims abstract description 31
- 239000011425 bamboo Substances 0.000 claims abstract description 31
- 238000000855 fermentation Methods 0.000 claims abstract description 22
- 230000004151 fermentation Effects 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 14
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims abstract description 12
- 230000001580 bacterial effect Effects 0.000 claims abstract description 12
- 238000000227 grinding Methods 0.000 claims abstract description 12
- 101000666901 Oxyuranus scutellatus scutellatus Kunitz-type serine protease inhibitor taicotoxin Proteins 0.000 claims abstract description 11
- 239000003513 alkali Substances 0.000 claims abstract description 9
- 239000000428 dust Substances 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005406 washing Methods 0.000 claims abstract description 8
- 238000012216 screening Methods 0.000 claims abstract description 7
- 239000007864 aqueous solution Substances 0.000 claims abstract description 4
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000007789 sealing Methods 0.000 claims abstract description 4
- 238000002791 soaking Methods 0.000 claims abstract description 4
- 241000894006 Bacteria Species 0.000 claims description 20
- 241000233866 Fungi Species 0.000 claims description 10
- 239000002699 waste material Substances 0.000 claims description 7
- 241000186361 Actinobacteria <class> Species 0.000 claims description 6
- 238000004321 preservation Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000007598 dipping method Methods 0.000 claims description 3
- 238000001035 drying Methods 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 238000010025 steaming Methods 0.000 claims description 3
- 238000003958 fumigation Methods 0.000 claims description 2
- 238000005516 engineering process Methods 0.000 abstract description 10
- 229920001131 Pulp (paper) Polymers 0.000 abstract description 7
- 238000010411 cooking Methods 0.000 abstract description 4
- 238000009987 spinning Methods 0.000 abstract 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 15
- 235000011121 sodium hydroxide Nutrition 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000002994 raw material Substances 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000010924 continuous production Methods 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 238000011031 large-scale manufacturing process Methods 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000004134 energy conservation Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 102000010911 Enzyme Precursors Human genes 0.000 description 1
- 108010062466 Enzyme Precursors Proteins 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
Classifications
-
- 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
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- 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
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
- D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
-
- 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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
-
- 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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/061—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods using cutting devices
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Paper (AREA)
Abstract
The invention provides a bio-mechanical pulping process by two-stage extrusion and two-stage impregnation, which comprises the steps of screening bamboo chips, collecting qualified bamboo chips, cutting the bamboo chips into fixed-length dust removal, sealing and storing the bamboo chips by using a plastic bag, balancing moisture, washing by hot water, dehydrating, fumigating, adding a potassium hydroxide aqueous solution, soaking for more than 3 hours to enable the bamboo chips to quickly absorb water and swell, carrying out one-stage extrusion on the bamboo chips by using a TSPI (transreflective synthetic spinning) extruder, carrying out fermentation and presoaking on the extruded materials by using a first-stage biological bacterial liquid, carrying out TSPI extrusion after impregnation, adding a second-stage biological bacterial liquid, fermenting, fully mixing and impregnating, carrying out high-concentration disc grinding on the impregnated materials, and respectively grinding a plurality of pulp samples with different Canadian freenesses by inputting different electric energy. The bio-paper pulp produced by the bio-mechanical pulping process with two-stage extrusion and two-stage impregnation has good quality, can be produced on a large scale or a super large scale, is a very energy-saving and money-saving pulping technology, does not need a large amount of strong alkali and high-temperature cooking, completes pulping under the conditions of normal temperature and normal pressure, and is environment-friendly and energy-saving.
Description
Technical Field
The invention relates to the technical field of biological pulping, in particular to a pulping process by a two-section extrusion and two-section impregnation bio-mechanical method.
Background
In the paper making industry, the pulp making and the paper making can be divided into two parts. Pulping is the front end of papermaking, and is a process and technology for firstly decomposing raw materials into paper pulp and secondly making the paper pulp into paper by a paper machine.
In the traditional pulping process and technology, pulping production is seriously environmental-pollution, and the pulping process is a process for decomposing lignin under the conditions of high temperature, high pressure and high alkali to obtain cellulose. The high temperature and high pressure reach 170 ℃ and 180 ℃, and the energy consumption is very high; the water consumption is large, and about 100 tons of water are used for each ton of pulp; high alkali (caustic soda) reaches 26-40%, and other various chemicals react with lignin at high temperature to generate a large amount of black liquor, which is the main cause of environmental pollution. According to the current situation of the pulping industry in China, chemical pulp is mainly used in production (namely, the traditional pulping method), and the biological pulping technology is still immature and is in an exploration stage. The main problem existing in the prior pulping production is that the waste liquid pollutes the environment, and the pollution can be reduced by the existing feasible environment-friendly new process and equipment, but the pollution cannot be eliminated, and only the pollution can be reduced. Only part of caustic soda can be recovered through large-scale environment-friendly equipment, but the production cost of enterprises is increased, the profit is greatly reduced, and the profit is slight and even the cost is lost.
Therefore, it is desirable to design a bio-mechanical pulping process with two-stage extrusion and two-stage impregnation to solve the above-mentioned problems.
Disclosure of Invention
The invention aims to provide a bio-mechanical pulping process with two-stage extrusion and two-stage impregnation, the bio-mechanical pulping process with two-stage extrusion and two-stage impregnation has good quality of biological paper pulp, although the degradation time is longer, a large amount of equipment investment is saved, only a large storage pool or a stacking field is needed, sufficient raw material supply lays a foundation for continuous production and automatic operation, and large-scale or super-large-scale production can be guaranteed, so that the bio-mechanical pulping process is a very energy-saving and money-saving pulping technology; the technology does not need a large amount of strong alkali (caustic soda) for high-temperature cooking, completes pulping under the conditions of normal temperature and normal pressure, and is environment-friendly and energy-saving.
In order to achieve the purpose, the invention is realized by the following technical scheme: a bio-mechanical pulping process with two-section extrusion and two-section impregnation comprises the following steps:
(1) firstly, screening bamboo chips, collecting qualified bamboo chips, cutting the bamboo chips to a fixed length, removing dust on the surfaces of the bamboo chips by using a dust remover, sealing and storing the bamboo chips by using a plastic bag after dust removal, balancing moisture, washing the qualified bamboo chips by hot water, dehydrating, pre-steaming and fumigating at 105 ℃, adding a potassium hydroxide aqueous solution with the mass concentration of 0.9-1% according to the solid-liquid mass ratio of 1: 8, soaking the bamboo chips for more than 3 hours at the temperature of more than 65 ℃ under normal pressure to enable the bamboo chips to quickly absorb water and swell;
(2) carrying out first-stage extrusion on bamboo chips by adopting a TSPI (TSPI) extruder, and carrying out first-stage biological bacterium liquid fermentation and presoaking on the extruded materials at the dipping temperature of about 28-35 ℃ for 3-5 days;
(3) after the impregnation is finished, carrying out second-stage TSPI extrusion, adding second-stage biological bacterium liquid, fermenting, fully mixing and impregnating, and conveying into a fermentation bin for biological fermentation for 10-12 days at the temperature of about 32-38 ℃;
(4) and (2) grinding the impregnated material by a high-concentration disc mill, respectively grinding a plurality of pulp samples with different Canadian freenesses by inputting different electric energy, washing the ground pulp, collecting extruded thick waste liquid, measuring the pH value, the residual alkali and the solid content of the waste liquid, eliminating the potential of the washed pulp, screening, measuring the Canadian freeness of the pulp sample, making the pulp into 60g/m2 paper sheets in a paper sheet former according to related standards, drying at constant temperature and humidity, measuring the physical and strength properties of the paper sheets, selecting the pulp sample with excellent physical and strength properties, and grinding the pulp according to the Canadian freeness of the pulp sample to produce the pulp in batches.
Preferably, the fumigation time is 20 minutes.
Preferably, the weight ratio of the biological bacterial liquid pre-soaked by the fermentation of the first section of biological bacterial liquid to the biological bacterial liquid pre-soaked by the fermentation of the second section of biological bacterial liquid to water is 1: 100.
Preferably, the refining concentration of the high-concentration disc mill is 25-30%.
Preferably, a heat-preservation and moisture-preservation film is laid on the upper part of the fermentation bin in the second section of biological bacterium liquid fermentation.
Preferably, the length of the cut bamboo chips is 4-6 cm.
Preferably, the first section of biological bacterium liquid and the second section of biological bacterium liquid at least comprise compound bacteria consisting of three different strains of white rot fungi, soft rot fungi and actinomycetes, and the mass ratio of the white rot fungi to the soft rot fungi to the actinomycetes is 2:2: 3.
The invention provides a bio-mechanical pulping process with two-section extrusion and two-section impregnation. The method has the following beneficial effects:
1. the bio-paper pulp produced by the bio-mechanical pulping process with two-stage extrusion and two-stage impregnation has good quality, saves a large amount of equipment investment although the degradation time is longer, only needs a large storage tank or a stacking field, and sufficient raw material supply lays a foundation for continuous production and automatic operation, can provide guarantee for large-scale or super-large-scale production, and is a pulping technology with very energy conservation and money saving; the technology does not need a large amount of strong alkali (caustic soda) for high-temperature cooking, completes pulping under the conditions of normal temperature and normal pressure, and is environment-friendly and energy-saving.
Detailed Description
The invention will be further described with reference to specific embodiments:
a bio-mechanical pulping process with two-section extrusion and two-section impregnation comprises the following steps:
(1) firstly, screening bamboo chips, collecting qualified bamboo chips, cutting them into fixed length, making the length of cut bamboo chips be 4-6 cm, using dust-removing machine to remove dust on the surface, sealing and storing them with plastic bag, balancing water content, firstly washing qualified bamboo chips with hot water, dewatering, pre-steaming at 105 deg.C for 20 min, adding 0.9-1% potassium hydroxide aqueous solution at solid-liquid mass ratio of 1: 8, soaking at 65 deg.C for more than 3 hr under normal pressure to rapidly absorb water and swell, preparing zymogen liquid, the first section and the second section at least comprise compound bacteria composed of white rot bacteria, soft rot bacteria and actinomycetes, the mass ratio of the white rot fungi to the soft rot fungi to the actinomycetes is 2:2:3, and the weight parts of the biological bacteria liquid pre-soaked by the fermentation of the first section of biological bacteria liquid and the biological bacteria liquid pre-soaked by the fermentation of the second section of biological bacteria liquid to water are 1: 100;
(2) carrying out first-stage extrusion on bamboo chips by adopting a TSPI (TSPI) extruder, and carrying out first-stage biological bacterium liquid fermentation and presoaking on the extruded materials at the dipping temperature of about 28-35 ℃ for 3-5 days;
(3) after the impregnation is finished, carrying out second-stage TSPI extrusion, adding second-stage biological bacterium liquid, fermenting, fully mixing and impregnating, conveying into a fermentation bin for biological fermentation for 10-12 days at the temperature of about 32-38 ℃, and paving a heat-preservation and moisture-preservation film on the upper part of the fermentation bin during the second-stage biological bacterium liquid fermentation;
(4) and (2) grinding the impregnated material by a high-concentration disc mill, wherein the grinding concentration of the high-concentration disc mill is 25-30%, grinding a plurality of pulp samples with different Canadian freeness respectively by inputting different electric energy, washing the ground pulp, collecting the extruded thick waste liquid, measuring the pH value, the residual alkali and the solid content of the waste liquid, wherein the measurement is of great significance for subsequent wastewater treatment and environmental protection evaluation, after the washing, the pulp is subjected to latency elimination and screening, measuring the Canadian freeness of the pulp sample, making 60g/m2 paper in a paper former according to relevant standards, drying at constant temperature and humidity, measuring the physical and strength properties of the paper, selecting the pulp sample with excellent physical and strength properties, and grinding according to the Canadian freeness of the pulp sample to produce the pulp in batches.
The bio-paper pulp produced by the bio-mechanical pulping process with two-stage extrusion and two-stage impregnation has good quality, saves a large amount of equipment investment although the degradation time is longer, only needs a large storage tank or a stacking field, and sufficient raw material supply lays a foundation for continuous production and automatic operation, can provide guarantee for large-scale or super-large-scale production, and is a pulping technology with very energy conservation and money saving; the technology does not need a large amount of strong alkali (caustic soda) for high-temperature cooking, completes pulping under the conditions of normal temperature and normal pressure, and is environment-friendly and energy-saving.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A bio-mechanical pulping process with two-section extrusion and two-section impregnation is characterized by comprising the following steps:
(1) firstly, screening bamboo chips, collecting qualified bamboo chips, cutting the bamboo chips to a fixed length, removing dust on the surfaces of the bamboo chips by using a dust remover, sealing and storing the bamboo chips by using a plastic bag after dust removal, balancing moisture, washing the qualified bamboo chips by hot water, dehydrating, pre-steaming and fumigating at 105 ℃, adding a potassium hydroxide aqueous solution with the mass concentration of 0.9-1% according to the solid-liquid mass ratio of 1: 8, soaking the bamboo chips for more than 3 hours at the temperature of more than 65 ℃ under normal pressure to enable the bamboo chips to quickly absorb water and swell;
(2) carrying out first-stage extrusion on bamboo chips by adopting a TSPI (TSPI) extruder, and carrying out first-stage biological bacterium liquid fermentation and presoaking on the extruded materials at the dipping temperature of about 28-35 ℃ for 3-5 days;
(3) after the impregnation is finished, carrying out second-stage TSPI extrusion, adding second-stage biological bacterium liquid, fermenting, fully mixing and impregnating, and conveying into a fermentation bin for biological fermentation for 10-12 days at the temperature of about 32-38 ℃;
(4) and (2) grinding the impregnated material by a high-concentration disc mill, respectively grinding a plurality of pulp samples with different Canadian freenesses by inputting different electric energy, washing the ground pulp, collecting extruded thick waste liquid, measuring the pH value, the residual alkali and the solid content of the waste liquid, eliminating the potential of the washed pulp, screening, measuring the Canadian freeness of the pulp sample, making the pulp into 60g/m2 paper sheets in a paper sheet former according to related standards, drying at constant temperature and humidity, measuring the physical and strength properties of the paper sheets, selecting the pulp sample with excellent physical and strength properties, and grinding the pulp according to the Canadian freeness of the pulp sample to produce the pulp in batches.
2. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: the fumigation time was 20 minutes.
3. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: the weight ratio of the biological bacterial liquid pre-soaked by the fermentation of the first section of biological bacterial liquid to the biological bacterial liquid pre-soaked by the fermentation of the second section of biological bacterial liquid to water is 1: 100.
4. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: the concentration of the high-concentration disc mill is 25-30%.
5. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: and a heat-preservation and moisture-preservation film is laid on the upper part of the fermentation bin in the second section of biological bacterium liquid fermentation.
6. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: the length of the cut bamboo chips is 4-6 cm.
7. The bio-mechanical pulping process of claim 1, wherein the two-stage extrusion and two-stage impregnation process comprises: the first section of biological bacterial liquid and the second section of biological bacterial liquid at least comprise compound bacteria consisting of three different strains of white rot fungi, soft rot fungi and actinomycetes, and the mass ratio of the white rot fungi to the soft rot fungi to the actinomycetes is 2:2: 3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026713.1A CN113832757A (en) | 2021-09-02 | 2021-09-02 | Two-section extrusion and two-section impregnation bio-mechanical pulping process |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111026713.1A CN113832757A (en) | 2021-09-02 | 2021-09-02 | Two-section extrusion and two-section impregnation bio-mechanical pulping process |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113832757A true CN113832757A (en) | 2021-12-24 |
Family
ID=78962028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111026713.1A Pending CN113832757A (en) | 2021-09-02 | 2021-09-02 | Two-section extrusion and two-section impregnation bio-mechanical pulping process |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113832757A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584652A (en) * | 2022-11-07 | 2023-01-10 | 齐鲁工业大学 | Wheat straw pulping method and product of KOH synergistic biological enzyme preparation |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900417A (en) * | 2005-07-22 | 2007-01-24 | 周易 | Pulping process for kenaf alkaline hydrogen peroxide mechanical pulping |
| CN101613976A (en) * | 2009-07-17 | 2009-12-30 | 中国林业科学研究院林产化学工业研究所 | Utilize the method for whole straw of mulberry tree branch preparing bleached chemi-mechanical pulp |
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN102174760A (en) * | 2011-03-14 | 2011-09-07 | 山东轻工业学院 | Process for preparing pulp by using salix mongolia by chemical mechanical method |
| CN102619119A (en) * | 2012-02-24 | 2012-08-01 | 王福喜 | Biological accumulation pulping method |
| CN105568726A (en) * | 2014-07-21 | 2016-05-11 | 江苏金沃机械有限公司 | Wet-strength wastepaper recycling double-pH-value chemical and mechanical pulping method |
| CN106120418A (en) * | 2016-06-30 | 2016-11-16 | 齐鲁工业大学 | A kind of poplar sonochemistry mechanical feedback technique |
| CN106381741A (en) * | 2016-11-11 | 2017-02-08 | 中国林业科学研究院林产化学工业研究所 | Bamboo chemimechanical pulp bioenzyme pretreatment method |
| CN111074661A (en) * | 2020-01-06 | 2020-04-28 | 四川工商职业技术学院 | Production method of high-yield bamboo pulp |
| CN111270551A (en) * | 2020-03-26 | 2020-06-12 | 陕西科技大学 | Mild pretreatment and disc grinding chemical treatment alkaline hydrogen peroxide mechanical pulping method |
-
2021
- 2021-09-02 CN CN202111026713.1A patent/CN113832757A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1900417A (en) * | 2005-07-22 | 2007-01-24 | 周易 | Pulping process for kenaf alkaline hydrogen peroxide mechanical pulping |
| CN101613976A (en) * | 2009-07-17 | 2009-12-30 | 中国林业科学研究院林产化学工业研究所 | Utilize the method for whole straw of mulberry tree branch preparing bleached chemi-mechanical pulp |
| CN101792980A (en) * | 2010-04-13 | 2010-08-04 | 王福喜 | Mechanical pulping method for biological bacteria liquid |
| CN102174760A (en) * | 2011-03-14 | 2011-09-07 | 山东轻工业学院 | Process for preparing pulp by using salix mongolia by chemical mechanical method |
| CN102619119A (en) * | 2012-02-24 | 2012-08-01 | 王福喜 | Biological accumulation pulping method |
| CN105568726A (en) * | 2014-07-21 | 2016-05-11 | 江苏金沃机械有限公司 | Wet-strength wastepaper recycling double-pH-value chemical and mechanical pulping method |
| CN106120418A (en) * | 2016-06-30 | 2016-11-16 | 齐鲁工业大学 | A kind of poplar sonochemistry mechanical feedback technique |
| CN106381741A (en) * | 2016-11-11 | 2017-02-08 | 中国林业科学研究院林产化学工业研究所 | Bamboo chemimechanical pulp bioenzyme pretreatment method |
| CN111074661A (en) * | 2020-01-06 | 2020-04-28 | 四川工商职业技术学院 | Production method of high-yield bamboo pulp |
| CN111270551A (en) * | 2020-03-26 | 2020-06-12 | 陕西科技大学 | Mild pretreatment and disc grinding chemical treatment alkaline hydrogen peroxide mechanical pulping method |
Non-Patent Citations (1)
| Title |
|---|
| 梁实梅等: "《制浆技术问答 第2版》", 北京：中国轻工业出版社, pages: 185 - 187 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115584652A (en) * | 2022-11-07 | 2023-01-10 | 齐鲁工业大学 | Wheat straw pulping method and product of KOH synergistic biological enzyme preparation |
| CN115584652B (en) * | 2022-11-07 | 2023-10-24 | 齐鲁工业大学 | Wheat straw pulping method and product by utilizing KOH and biological enzyme preparation |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101613976B (en) | Method for preparing bleached chemi-mechanical pulp by using whole straw of mulberry tree branch | |
| CN109577060B (en) | Method for preparing natural-color biomechanical pulp by treating wheat straw with hot water and alkaline biological enzyme | |
| CN102493256A (en) | Eucalyptus dissolving pulp and production method thereof | |
| CN110541319B (en) | Natural color bamboo pulp preparation process and system | |
| CN103526623B (en) | A kind of xylanase pretr eatment improves the method for soda-oxygen pulping effect | |
| CN106400562B (en) | A kind of pulping process of biology ultrasonic wave high-strength mechanical slurry | |
| CN113832757A (en) | Two-section extrusion and two-section impregnation bio-mechanical pulping process | |
| CN210262480U (en) | Biological chemical mechanical pulp production equipment | |
| CN1105802C (en) | Diwei self-catalyzing alcohol process for pulping | |
| CN101139804A (en) | Method for preparing environment-friendly paper pulp by utilizing biological enzyme and production technique thereof | |
| CN101255664B (en) | Method for pulping of non-lumber fibre | |
| CN102747435B (en) | Biological bacterial degumming method for raw hemp | |
| CN101158127A (en) | Broussonetia white bast biological pulping method | |
| CN106758447B (en) | A kind of method that biology ultrasonic wave prepares textile fabric | |
| CN101792980A (en) | Mechanical pulping method for biological bacteria liquid | |
| CN113106774A (en) | Deinking recycling method applied to office waste paper | |
| CN109821896B (en) | Method for extracting starch organic matter from waste paper pulp and purifying pulp by enzyme pretreatment | |
| CN102373638B (en) | High-yield clean pulping method from oil palm EFB (empty fruit bunch) fiber through biological enzyme process | |
| CN109537352B (en) | Catalyst for catalyzing plant fiber pulping by ZYX presoaking and application process | |
| CN103422381B (en) | Apple juice waste prepares the method for fluting medium | |
| CN115029947A (en) | Method for preparing APMP slurry by utilizing double screws pretreated by microorganisms | |
| CN103556515A (en) | Papermaking pulping technology | |
| CN104391078B (en) | A kind of method of Fast Evaluation poplar soda anthraquinone process technique | |
| CN112593435A (en) | Method for improving papermaking quality by alkaline pectinase combined with chemical reagent degumming | |
| CN112538775A (en) | Biological pulping process for papermaking |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20211224 |