CN108130778A - A kind of pulping process for improving waste paper pulp intensity - Google Patents
A kind of pulping process for improving waste paper pulp intensity Download PDFInfo
- Publication number
- CN108130778A CN108130778A CN201711489751.4A CN201711489751A CN108130778A CN 108130778 A CN108130778 A CN 108130778A CN 201711489751 A CN201711489751 A CN 201711489751A CN 108130778 A CN108130778 A CN 108130778A
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- Prior art keywords
- waste paper
- pulp
- pulping
- paper pulp
- intensity
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- 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.)
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- 229920001131 Pulp (paper) Polymers 0.000 title claims abstract description 67
- 239000010893 paper waste Substances 0.000 title claims abstract description 58
- 238000004537 pulping Methods 0.000 title claims abstract description 38
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000010009 beating Methods 0.000 claims abstract description 32
- 108090000790 Enzymes Proteins 0.000 claims abstract description 27
- 102000004190 Enzymes Human genes 0.000 claims abstract description 27
- 238000005360 mashing Methods 0.000 claims abstract description 24
- 239000002351 wastewater Substances 0.000 claims abstract description 6
- 229940088598 enzyme Drugs 0.000 claims description 23
- 108010059892 Cellulase Proteins 0.000 claims description 10
- 229940106157 cellulase Drugs 0.000 claims description 10
- 239000000203 mixture Substances 0.000 claims description 10
- 239000002002 slurry Substances 0.000 claims description 9
- 229940059442 hemicellulase Drugs 0.000 claims description 5
- 108010002430 hemicellulase Proteins 0.000 claims description 5
- 229920002472 Starch Polymers 0.000 claims description 4
- 235000019698 starch Nutrition 0.000 claims description 4
- 239000008107 starch Substances 0.000 claims description 3
- 239000002023 wood Substances 0.000 claims description 2
- 239000002994 raw material Substances 0.000 abstract description 10
- 239000000463 material Substances 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 239000000835 fiber Substances 0.000 description 6
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/32—Defibrating by other means of waste paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/022—Chemicals therefor
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Toxicology (AREA)
- Paper (AREA)
Abstract
The present invention relates to pulping technology for paper-making fields, and in particular to a kind of pulping process for improving waste paper pulp intensity, including step：According to weight ratio it is 100~150 by OCC waste paper and water：1~3 mixing, adds in the mashing enzyme that mass concentration is 10~15ppm, and waste paper pulp is made in mashing；Log pulpboard is mixed into progress pulping with the biological enzyme that mass concentration is 8~12ppm, wood pulp is made；Waste paper pulp and wood pulp are 8~9 according to weight ratio:It is beaten in 1~1.5 addition to fiberizer, the strong pulp that beating degree is 32~38 ° is made.Compared with prior art, the present invention is using OCC waste paper as primary raw material, using wood pulp as auxiliary material, using mashing enzyme in waste paper pulping process, biological enzyme is used during wood pulp pulping and each process conditions of pulping process machine is controlled to keep stablizing, prepared paper pulp has higher intensity, and greatly reduces production cost.
Description
Technical field
The present invention relates to pulping technology for paper-making fields, and in particular to a kind of pulping process for improving waste paper pulp intensity.
Background technology
Paper-making pulping is but of high cost mainly using wood pulp as raw material, therefore at present mostly using the waste paper work of a part
For pulping raw material, i.e., using waste paper and wood pulp as raw material.In pulping process, the mashing of traditional high intensity, electricity consumption is big, and
And the beating degree of slurry is high, the follow-up drying process of papermaking is difficult, and steam consumption is larger.As an improvement, it is beaten to improve wood pulp
Starch intensity, researcher using biological enzyme technology be beaten, that is, select the stronger biological enzyme of specific aim to slurry be beaten when synchronization at
Reason, can not only reduce energy consumption and also be able to be modified fiber, improve the drainability and mobility of fiber, so as to improve slurry
Performance.However, biological enzyme is influenced environmental requirement height by many factors such as temperature, pH and dosages, it is difficult to it controls, therefore slurrying
Stability it is bad, especially for using waste paper as primary raw material, due to mainly secondary stock in wastepaper as raw material, if
It reuses biological enzyme to be beaten, then fiber can be made to generate loss, low-fiber intensity is dropped, the slurry of high intensity can not be prepared
Material.Therefore, there is presently no a kind of using waste paper as the high intensity beating process of primary raw material, wood pulp for auxiliary material.
Invention content
It is an object of the invention to be directed to deficiency of the prior art, and provide a kind of slurrying for improving waste paper pulp intensity
Technique, the technology utilization waste paper have the advantages that intensity is high as primary raw material, prepared paper pulp.
The purpose of the present invention is achieved through the following technical solutions：
A kind of pulping process for improving waste paper pulp intensity is provided, is included the following steps：
Step a, waste paper pulp is prepared：
According to weight ratio it is 100~150 by OCC waste paper and water：Then 1~3 mixing is added in waste paper pulper and is beaten
Slurry, while add in mass concentration and be the mashing enzyme of 10~15ppm, and it is 55~60 DEG C to control mashing temperature, pH is 8.5~9.5,
The waste paper pulp that beating degree is 30~35 ° is made；
Step b, wood pulp is prepared：
By mass fraction be 100% log pulpboard carries out pulping with hydrabrusher, while add in mass concentration be 8~
The biological enzyme of 12ppm, and it is 50~55 DEG C to control pulping temperature, pH is 9.2~10.5, and the wood that beating degree is 36~42 ° is made
Starch slurry；
Step c, it is mixed with beating：
According to weight ratio it is 8~9 by wood pulp prepared by the step a waste paper pulps prepared and step b:1~1.5 adds in
It is beaten into fiberizer, and it is 52~58 DEG C to control mashing temperature, pH is 9.0~10.2, and it is 32~38 ° that beating degree, which is made,
Strong pulp.
In above-mentioned technical proposal, in step a, mashing temperature is 58 DEG C, pH 9.2, and the secondary stock that beating degree is 32 ° is made
Material.
In above-mentioned technical proposal, in step b, pulping temperature is 52 DEG C, pH 9.8, and the wood pulp that beating degree is 38 ° is made and starches
Material
In above-mentioned technical proposal, in step b, the biological enzyme is the mixture of cellulase and hemicellulase, wherein
The dosage of the cellulase accounts for the 75~85% of the mixture gross mass.
Bright advantageous effect：
A kind of pulping process of raising waste paper pulp intensity of the present invention, including step a, prepares waste paper pulp：OCC is given up
Paper and water are 100~150 according to weight ratio：Then 1~3 mixing is added in waste paper pulper and is beaten, while add in quality
The mashing enzyme of a concentration of 10~15ppm, and it is 55~60 DEG C to control mashing temperature, pH is 8.5~9.5, and it is 30 that beating degree, which is made,
~35 ° of waste paper pulp；Step b, wood pulp is prepared：By mass fraction be 100% log pulpboard hydrabrusher into
Row pulping, while add in mass concentration and be the biological enzyme of 8~12ppm, and control pulping temperature as 50~55 DEG C, pH for 9.2~
10.5, the wood pulp that beating degree is 36~42 ° is made；Step c, it is mixed with beating：By the step a waste paper pulps prepared and step
Wood pulp prepared by b is 8~9 according to weight ratio:1~1.5 adds in being beaten in fiberizer, and controls the mashing temperature to be
52~58 DEG C, pH is 9.0~10.2, and the strong pulp that beating degree is 32~38 ° is made.Compared with prior art, it is of the invention
Using OCC waste paper as primary raw material, using wood pulp as auxiliary material, in OCC waste paper pulping process using a concentration of 10~
The mashing enzyme of 15ppm, and each process conditions in waste paper pulper is controlled to keep stablizing, so as to improve the fiber of waste paper pulp
Intensity；The biological enzyme of 8~12ppm is used during wood pulp pulping, and each process conditions in pulper is controlled to keep steady
Fixed, most waste paper pulp and wood pulp are proportionally mixed with beating rear prepared paper pulp with higher intensity at last, reduce
To the loss of fiber and secondary stock in pulping process, and since primary raw material is waste paper, production cost is greatly reduced, it should
Simple production process is mass produced suitable for industrialization.
Specific embodiment
The invention will be further described with the following Examples.
Embodiment 1：
A kind of pulping process of raising waste paper pulp intensity of the present embodiment, includes the following steps：
Step a, waste paper pulp is prepared：
According to weight ratio it is 100 by OCC waste paper and water：Then 1 mixing is added in waste paper pulper and is beaten, simultaneously
It adds in mass concentration and is the mashing enzyme of 10ppm, and it is 58 DEG C, pH 9.2 to control mashing temperature, it is 30 ° useless that beating degree, which is made,
Pulp material；
Step b, wood pulp is prepared：
The log pulpboard that mass fraction is 100% is subjected to pulping, while add in mass concentration and be with hydrabrusher
The biological enzyme of 8ppm, and it is 55 DEG C, pH 9.8 to control pulping temperature, and the wood pulp that beating degree is 36 ° is made；
Step c, it is mixed with beating：
According to weight ratio it is 9 by wood pulp prepared by the step a waste paper pulps prepared and step b:1 adds in fiberizer
In be beaten, and it is 55 DEG C, pH 9.0 to control mashing temperature, it is 35 ° of strong pulp that beating degree, which is made,.
In the present embodiment, in step b, mixture of the biological enzyme for cellulase and hemicellulase, cellulase
Dosage account for the 85% of mixture gross mass.
Embodiment 2：
A kind of pulping process of raising waste paper pulp intensity of the present embodiment, includes the following steps：
Step a, waste paper pulp is prepared：
According to weight ratio it is 150 by OCC waste paper and water：Then 2 mixing are added in waste paper pulper and are beaten, simultaneously
It adds in mass concentration and is the mashing enzyme of 12ppm, and it is 55 DEG C, pH 8.5 to control mashing temperature, it is 32 ° useless that beating degree, which is made,
Pulp material；
Step b, wood pulp is prepared：
The log pulpboard that mass fraction is 100% is subjected to pulping, while add in mass concentration and be with hydrabrusher
The biological enzyme of 10ppm, and it is 52 DEG C, pH 9.4 to control pulping temperature, and the wood pulp that beating degree is 42 ° is made；
Step c, it is mixed with beating：
According to weight ratio it is 8 by wood pulp prepared by the step a waste paper pulps prepared and step b:1.5 add in defibrination
It is beaten in machine, and it is 58 DEG C, pH 9.6 to control mashing temperature, and the strong pulp that beating degree is 38 ° is made.
In the present embodiment, in step b, mixture of the biological enzyme for cellulase and hemicellulase, cellulase
Dosage account for the 75% of mixture gross mass.
Embodiment 3：
A kind of pulping process of raising waste paper pulp intensity of the present embodiment, includes the following steps：
Step a, waste paper pulp is prepared：
According to weight ratio it is 120 by OCC waste paper and water：Then 3 mixing are added in waste paper pulper and are beaten, simultaneously
It adds in mass concentration and is the mashing enzyme of 15ppm, and it is 60 DEG C, pH 9.5 to control mashing temperature, it is 35 ° useless that beating degree, which is made,
Pulp material；
Step b, wood pulp is prepared：
The log pulpboard that mass fraction is 100% is subjected to pulping, while add in mass concentration and be with hydrabrusher
The biological enzyme of 12ppm, and it is 50 DEG C, pH 10.5 to control pulping temperature, and the wood pulp that beating degree is 39 ° is made；
Step c, it is mixed with beating：
According to weight ratio it is 8.5 by wood pulp prepared by the step a waste paper pulps prepared and step b:1 adds in defibrination
It is beaten in machine, and it is 52 DEG C, pH 10.2 to control mashing temperature, and the strong pulp that beating degree is 32 is made.
In the present embodiment, in step b, mixture of the biological enzyme for cellulase and hemicellulase, cellulase
Dosage account for the 82% of mixture gross mass.
The present embodiment is merely illustrative of the technical solution of the present invention rather than limiting the scope of the invention, although ginseng
The present invention is explained in detail according to preferred embodiment, it will be understood by those of ordinary skill in the art that, it can be to the present invention
Technical solution be modified or replaced equivalently, without departing from the spirit and scope of technical solution of the present invention.
Claims (4)
1. a kind of pulping process for improving waste paper pulp intensity, it is characterised in that：Include the following steps：
Step a, waste paper pulp is prepared：
According to weight ratio it is 100~150 by OCC waste paper and water：Then 1~3 mixing is added in waste paper pulper and is beaten,
Mass concentration is added in simultaneously and is the mashing enzyme of 10~15ppm, and it is 55~60 DEG C to control mashing temperature, and pH is 8.5~9.5, system
Into the waste paper pulp that beating degree is 30~35 °；
Step b, wood pulp is prepared：
By mass fraction be 100% log pulpboard carries out pulping with hydrabrusher, while add in mass concentration be 8~
The biological enzyme of 12ppm, and it is 50~55 DEG C to control pulping temperature, pH is 9.2~10.5, and the wood that beating degree is 36~42 ° is made
Starch slurry；
Step c, it is mixed with beating：
According to weight ratio it is 8~9 by wood pulp prepared by the step a waste paper pulps prepared and step b:1~1.5 adds in mill
It is beaten in pulp grinder, and it is 52~58 DEG C to control mashing temperature, pH is 9.0~10.2, and the height that beating degree is 32~38 ° is made
Intensity paper pulp.
2. a kind of pulping process for improving waste paper pulp intensity according to claim 1, it is characterised in that：In step a, beat
Slurry temperature degree is 58 DEG C, pH 9.2, and the waste paper pulp that beating degree is 32 ° is made.
3. a kind of pulping process for improving waste paper pulp intensity according to claim 1, it is characterised in that：It is broken in step b
Slurry temperature degree is 52 DEG C, pH 9.8, and the wood pulp that beating degree is 38 ° is made.
4. a kind of pulping process for improving waste paper pulp intensity according to claim 1, it is characterised in that：In step b, institute
Biological enzyme is stated as cellulase and the mixture of hemicellulase, wherein the dosage of the cellulase accounts for the total matter of the mixture
The 75~85% of amount.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489751.4A CN108130778A (en) | 2017-12-30 | 2017-12-30 | A kind of pulping process for improving waste paper pulp intensity |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711489751.4A CN108130778A (en) | 2017-12-30 | 2017-12-30 | A kind of pulping process for improving waste paper pulp intensity |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108130778A true CN108130778A (en) | 2018-06-08 |
Family
ID=62394061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711489751.4A Pending CN108130778A (en) | 2017-12-30 | 2017-12-30 | A kind of pulping process for improving waste paper pulp intensity |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184848A (en) * | 2019-05-31 | 2019-08-30 | 华南理工大学 | It is a kind of to utilize paper made from cellulase/amino-acid modified method and this method for promoting low lignin content fiber strength of waste paper |
| CN111608019A (en) * | 2020-04-29 | 2020-09-01 | 江苏理文造纸有限公司 | Low-gram cardboard paper green manufacturing process |
| CN111636230A (en) * | 2020-06-03 | 2020-09-08 | 玖龙纸业（东莞）有限公司 | Wood fiber and fine screening tailings mixed pulping treatment system and method |
| CN113846505A (en) * | 2021-11-10 | 2021-12-28 | 广东松炀再生资源股份有限公司 | Method for preparing corrugated paper by enzymatic beating |
| CN114837006A (en) * | 2022-04-28 | 2022-08-02 | 江苏博汇纸业有限公司 | Process for improving strength of chemical pulp for paper |
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| CN105484094A (en) * | 2016-01-14 | 2016-04-13 | 河北昌泰纸业有限公司 | Low-gram-weight kraft paper produced from reclaimed waste paper and production process |
| CN105735035A (en) * | 2016-03-02 | 2016-07-06 | 福建希源纸业有限公司 | Method for producing base wallpaper from waste paper deinking pulp |
| CN106245395A (en) * | 2016-08-26 | 2016-12-21 | 江苏理文造纸有限公司 | A kind of pulping process of environmental protection kraft paperboard |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110184848A (en) * | 2019-05-31 | 2019-08-30 | 华南理工大学 | It is a kind of to utilize paper made from cellulase/amino-acid modified method and this method for promoting low lignin content fiber strength of waste paper |
| CN111608019A (en) * | 2020-04-29 | 2020-09-01 | 江苏理文造纸有限公司 | Low-gram cardboard paper green manufacturing process |
| CN111636230A (en) * | 2020-06-03 | 2020-09-08 | 玖龙纸业（东莞）有限公司 | Wood fiber and fine screening tailings mixed pulping treatment system and method |
| CN113846505A (en) * | 2021-11-10 | 2021-12-28 | 广东松炀再生资源股份有限公司 | Method for preparing corrugated paper by enzymatic beating |
| CN113846505B (en) * | 2021-11-10 | 2022-05-06 | 广东松炀再生资源股份有限公司 | Method for preparing corrugated paper by enzymatic beating |
| CN114837006A (en) * | 2022-04-28 | 2022-08-02 | 江苏博汇纸业有限公司 | Process for improving strength of chemical pulp for paper |
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Application publication date: 20180608 |