CN104695261A - Biological enzyme composition for synchronous treatment of newsprint paper ink and sticker, and application thereof - Google Patents
Biological enzyme composition for synchronous treatment of newsprint paper ink and sticker, and application thereof Download PDFInfo
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- CN104695261A CN104695261A CN201310645956.2A CN201310645956A CN104695261A CN 104695261 A CN104695261 A CN 104695261A CN 201310645956 A CN201310645956 A CN 201310645956A CN 104695261 A CN104695261 A CN 104695261A
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- ink
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- sticker
- newsprint
- gluing thing
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- 108090000790 Enzymes Proteins 0.000 title claims abstract description 64
- 102000004190 Enzymes Human genes 0.000 title claims abstract description 64
- 239000000203 mixture Substances 0.000 title claims abstract description 37
- 230000001360 synchronised effect Effects 0.000 title abstract description 4
- 238000000034 method Methods 0.000 claims abstract description 50
- 229940088598 enzyme Drugs 0.000 claims description 59
- 238000004026 adhesive bonding Methods 0.000 claims description 48
- 108010029541 Laccase Proteins 0.000 claims description 10
- 108090001060 Lipase Proteins 0.000 claims description 10
- 239000004367 Lipase Substances 0.000 claims description 10
- 102000004882 Lipase Human genes 0.000 claims description 10
- 235000019421 lipase Nutrition 0.000 claims description 10
- 108010059892 Cellulase Proteins 0.000 claims description 8
- 229940106157 cellulase Drugs 0.000 claims description 8
- 108090000371 Esterases Proteins 0.000 claims description 2
- 239000010893 paper waste Substances 0.000 abstract description 9
- 230000000694 effects Effects 0.000 abstract description 4
- 229920001131 Pulp (paper) Polymers 0.000 abstract 1
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 238000005188 flotation Methods 0.000 description 31
- 239000002761 deinking Substances 0.000 description 26
- 238000005516 engineering process Methods 0.000 description 9
- 239000002002 slurry Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 6
- 238000004537 pulping Methods 0.000 description 6
- 230000015556 catabolic process Effects 0.000 description 4
- 238000006731 degradation reaction Methods 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 235000011187 glycerol Nutrition 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002994 raw material Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 2
- 239000012752 auxiliary agent Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 230000002596 correlated effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 230000002255 enzymatic effect Effects 0.000 description 2
- 239000012634 fragment Substances 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 229960003511 macrogol Drugs 0.000 description 2
- 239000000025 natural resin Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 229920002689 polyvinyl acetate Polymers 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 238000005119 centrifugation Methods 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013530 defoamer Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000012943 hotmelt Substances 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920000058 polyacrylate Polymers 0.000 description 1
- 229940051841 polyoxyethylene ether Drugs 0.000 description 1
- 229920000056 polyoxyethylene ether Polymers 0.000 description 1
- 239000011118 polyvinyl acetate Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 239000000344 soap Substances 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000001993 wax Substances 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
-
- C—CHEMISTRY; METALLURGY
- C12—BIOCHEMISTRY; BEER; SPIRITS; WINE; VINEGAR; MICROBIOLOGY; ENZYMOLOGY; MUTATION OR GENETIC ENGINEERING
- C12N—MICROORGANISMS OR ENZYMES; COMPOSITIONS THEREOF; PROPAGATING, PRESERVING, OR MAINTAINING MICROORGANISMS; MUTATION OR GENETIC ENGINEERING; CULTURE MEDIA
- C12N9/00—Enzymes; Proenzymes; Compositions thereof; Processes for preparing, activating, inhibiting, separating or purifying enzymes
- C12N9/14—Hydrolases (3)
- C12N9/16—Hydrolases (3) acting on ester bonds (3.1)
-
- 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
-
- 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
- D21C5/025—De-inking
-
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Biochemistry (AREA)
- Zoology (AREA)
- Genetics & Genomics (AREA)
- Microbiology (AREA)
- Molecular Biology (AREA)
- Biotechnology (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- General Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a biological enzyme composition for synchronous treatment of newsprint paper ink and a sticker, and an application thereof, and relates to the technical filed of waste paper ink and sticker treatment. The biological enzyme composition comprises various biological enzymes and assistants, and the synchronous treatment of ink removal and sticker removal of newsprint paper is realized through the synergism among the biological enzymes and the assistants at a proper temperature under a proper pH value. Papermaking process steps are simplified, the treatment efficiency is high, the average floating whiteness increase value is 5.1%ISO, the average floating residual ink removal rate reaches 34.8%, the average floating large sticker removal rate is 76.2%, the average floating fine sticker removal rate is 63%, the ink and sticker removal effect is good, the quality of paper pulp is improved, and the life of a papermaking machine is prolonged.
Description
Technical field
The present invention relates to waste paper ink and gluing thing processing technology field, particularly relate to a kind of newsprint ink and synchronously process biology enzyme composition and the application thereof of gluing thing.
Background technology
In today that every cost is surging, energy-saving and cost-reducing meaning is concerning day by day far-reaching paper industry, improve waste paper recycling rate and then solve this difficult problem well, but the impurity of various complicated component, wide variety is entrained in waste paper and enters the paper machine circulatory system, series of problems is brought to waste paper recycling process, wherein, the impact especially brought with ink and gluing thing is the most outstanding.And increasing of gluing thing, papermaking wire-cloth, woollen blanket, drying cylinder, felt wrapped roll can be polluted, also can cause paper defects, disconnected paper simultaneously, finally also can affect following process and presswork.The kind of gluing thing is many, and differed greatly by the difference of paper kind, in the gluing thing of wherein news waste paper, there is polyvinyl acetate (Polymervinylacetate, PVAc), the metallic soap of polyacrylate, natural resin and formation thereof, also have residual ink and the inorganic constituents of large percentage in addition, they do not have viscosity, but quite a few has lipophilicity, are easily adhered to by stickum and deposit.In the past, deinking and the process of gluing thing can utilize chemical method process respectively and obtain good effect, but chemical deinking and removal gluing thing all can cause larger environmental pollution.Along with the development of biotechnology, the biology enzyme that environmental pollution is very little is applied in the middle of deinking and stickies removal, correlation technique, and especially enzymatic deinking technology reaches its maturity.Adopting biology enzyme to carry out to secondary stock, people in the process of deinking pay close attention to is its deinking efficiency, and have ignored gluing thing process problem.Similarly, people also have ignored deinking process problem while to the process of gluing thing, thus make people deinking process and the process of gluing thing be regarded as two processes of being not too correlated with, by deinking and stickies removal separately process.Along with people are to after the research of the formation of gluing thing more and more deeply, it is found that during secondary stock is recycled that the gluing thing produced is except the salt of adhesive, sizing agent, hot melt material, wax, natural resin and formation thereof, very major part is the ink, deinking agent composition (such as defoamer) and the inorganic constituents that produce in deinking process, therefore, it is absolutely not two processes of being not too correlated with that enzymatic deinking and biology enzyme remove gluing thing, must continue further investigation to deinking technology and stickies removal problem.When current wastepaper as raw material quality constantly worsens, still deinking and gluing thing process two problems are separately carried out studying the needs that can not meet production practices, only have and deinking and the process of gluing thing are integrated, just can have the comprehensive removal effect of impurity, just have more realistic meaning.
Existing deinking process and stickies removal process are isolated, and this not only causes the waste of resource, and treatment effeciency is low.Therefore, deinking and sicker should be removed problem and synchronously process, namely consider the correlation between deinking and stickies removal, deinking is processed together with stickies removal.But also do not use biology enzyme composition to carry out the report of synchronous process to newsprint ink and gluing thing at present.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of newsprint ink and synchronously process biology enzyme composition and the application thereof of gluing thing, described biology enzyme composition is at suitable temperature and pH, by biology enzyme various in biology enzyme composition, synergy between auxiliary agent, newsprint deinking and stickies removal are synchronously processed, simplify paper technology step, treatment effeciency is high, flotation whiteness improvement value average out to 5.1%ISO, flotation residual ink clearance average out to 34.8%, flotation large stickies removal rate average out to 76.2%, flotation microstickies clearance average out to 63%, deinking efficiency and stickies removal effective, and can pulp quality be improved, promote the paper machine life-span.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: provide a kind of newsprint ink and gluing thing synchronously process biology enzyme composition, percentage, described biology enzyme composition is composed of the following components:
Or, percentage, described biology enzyme composition is composed of the following components:
Preferably, described esterase is lipase.
Preferably, the enzyme of described lipase is lived as 20000U/g, and the enzyme of described laccase is lived as 10000U/g, and the enzyme of described cellulase is lived as 2000U/g, and the enzyme of described zytase is lived as 50000U/g.
For solving the problems of the technologies described above, another technical solution used in the present invention is: provide the application of described biology enzyme composition in newsprint ink and gluing thing synchronously process, and the addition of described biology enzyme composition is 0.08% ~ 0.12% of described newsprint weight.
Preferably, the addition of described biology enzyme composition is 0.1% of described newsprint weight.
Preferably, the temperature that described newsprint ink and gluing thing synchronously process is 45 DEG C ~ 55 DEG C.
Most preferably, the temperature that described newsprint ink and gluing thing synchronously process is 50 DEG C.
Preferably, the pH value that described newsprint ink and gluing thing synchronously process is 6.0 ~ 8.0.
Most preferably, the pH value that described newsprint ink and gluing thing synchronously process is 8.0.
Because most gluing thing all contains a large amount of ester bonds, the component of gluing thing can be connected by these ester bonds, laccase can make these ester bonds rupture, impel its component to reduce viscosity, thus decrease the harm of gluing thing, in addition, laccase is by the lignin in catalysis fibre, generate benzene oxygen radical, further Raolical polymerizable occurs, improve pulp strength.
The invention has the beneficial effects as follows: distinguish existing biology enzyme deinking process and stickies removal process is isolated, cause the wasting of resources and the low situation for the treatment of effeciency, newsprint ink of the present invention and gluing thing synchronously process uses biology enzyme composition, at suitable temperature and pH, by biology enzyme various in biology enzyme composition, synergy between auxiliary agent, the gluing thing in slurry is removed while deinking is carried out to newsprint, namely newsprint deinking and stickies removal are synchronously processed, simplify paper technology step, treatment effeciency is high, flotation whiteness improvement value average out to 5.1%ISO, flotation residual ink clearance average out to 34.8%, flotation large stickies removal rate average out to 76.2%, flotation microstickies clearance average out to 63%, deinking efficiency and stickies removal effective, and can pulp quality be improved, promote the paper machine life-span.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in detail.
Embodiment 1
Preparation 1Kg newsprint ink and gluing thing synchronously process with the formula of biology enzyme composition as follows: lipase 80g, laccase 50g, cellulase 50g, zytase 20g, OPEO 200g, glycerine 100g, Macrogol 200 g, ethanol 100g, water 200g.Wherein, the enzyme of lipase is lived as 20000U/g, and the enzyme of laccase is lived as 10000U/g, and the enzyme of cellulase is lived as 2000U/g, and the enzyme of zytase is lived as 50000U/g.Take said components by formula, at normal temperatures each component is mixed and obtained newsprint ink of the present invention and gluing thing synchronously process biology enzyme composition.
Embodiment 2
Preparation 1Kg newsprint ink and gluing thing synchronously process with the formula of biology enzyme composition as follows: lipase 80g, laccase 60g, cellulase 40g, zytase 20g, OPEO 200g, glycerine 100g, Macrogol 200 g, ethanol 50g, water 250g.Wherein, the enzyme of lipase is lived as 20000U/g, and the enzyme of laccase is lived as 10000U/g, and the enzyme of cellulase is lived as 2000U/g, and the enzyme of zytase is lived as 50000U/g.Take said components by formula, at normal temperatures each component is mixed and obtained newsprint ink of the present invention and gluing thing synchronously process biology enzyme composition.
Embodiment 3
Preparation 1Kg newsprint ink and gluing thing synchronously process with the formula of biology enzyme composition as follows: lipase 80g, laccase 60g, cellulase 40g, zytase 20g, OPEO 100g, fatty alcohol-polyoxyethylene ether 100g, glycerine 100g, 1,2-PD 200g, ethanol 50g, water 250g.Wherein, the enzyme of lipase is lived as 20000U/g, and the enzyme of laccase is lived as 10000U/g, and the enzyme of cellulase is lived as 2000U/g, and the enzyme of zytase is lived as 50000U/g.Take said components by formula, at normal temperatures each component is mixed and obtained newsprint ink of the present invention and gluing thing synchronously process biology enzyme composition.
Embodiment 4
The application of biology enzyme composition in newsprint ink and gluing thing synchronously process prepared by embodiment 1 ~ 3.
Concrete treatment step is as follows:
1, raw material: newsprint waste paper, is torn into the fragment of 2cm × 2cm size by pattern, be placed on equilibrium water conten in sealed plastic bag.
2, pulping: precise 220g has balanced the scraps of paper of moisture, add biology enzyme composition prepared by 0.22g embodiment 1 ~ 3 respectively, size degradation 20min in high-concentration pulper, size degradation temperature is respectively 45 DEG C, 50 DEG C and 55 DEG C simultaneously, pulping pH value is respectively 6.0,7.0 and 8.0, and concentration is 15%.
3, fine screen and flotation: pour in fine screen device after pulping, after fine screen terminates, the slurry concentration of flotation is adjusted to 1%, then pour in VOITH delta-25 type flotation cell, flotation time is 5min, and flotation temperature is 50 DEG C.
3, wash: get the slurry sample after a certain amount of flotation, fully wash in the washers, and with water by 120 object nets, wash to being only left fiber.
Comparative example
1, raw material: newsprint waste paper, is torn into the fragment of 2cm × 2cm size by pattern, be placed on equilibrium water conten in sealed plastic bag.
2, pulping: precise 220g has balanced the scraps of paper of moisture, adds 0.22g water simultaneously, size degradation 20min in high-concentration pulper, and size degradation temperature is 50 DEG C, and pulping pH value is 8.0, and concentration is 15%.
3, fine screen and flotation: pour in fine screen device after pulping, after fine screen terminates, the slurry concentration of flotation is adjusted to 1%, then pour in VOITH delta-25 type flotation cell, flotation time is 5min, and flotation temperature is 50 DEG C.
3, wash: get the slurry sample after a certain amount of flotation, fully wash in the washers, and with water by 120 object nets, wash to being only left fiber.
Result measures
1, the measurement of whiteness and residual ink: collect the slurry handsheet (quantitative 200g/m2) on standard sheet forming apparatus before and after flotation, measure whiteness and ink residual volume, whiteness and residual ink concentration (ERIC) adopt Tech2nidyne Color Touch [Eric950] to measure.
2, large gluing thing measures: measure slurry before and after flotation that over dry content is 2g, after discongesting, screen in Pulmac-MasterScreen gluing thing pulp classifier, dyeing, compressing tablet, then scans, and carries software analysis with instrument.
3, microstickies measures: measure the slurry before and after 200mL flotation, under 5000rpm rotating speed, centrifugation 15min, gets supernatant, and then suction filtration on the milipore filter of 0.22um weighs after constant weight.
Whiteness, ink particle content, large gluing thing content and microstickies content the results are shown in Table 1
Table 1
As shown in Table 1, the flotation whiteness improvement value not adding biology enzyme compositions-treated gained of the present invention is 3.1%ISO, flotation residual ink clearance only 25.5%, and the large stickies removal rate of flotation is 46.1%, and flotation microstickies clearance is 39.7%; And add after biology enzyme composition of the present invention synchronously processes newsprint ink and gluing thing, flotation whiteness improvement value average out to 5.1%ISO, flotation residual ink clearance average out to 34.8%, flotation large stickies removal rate average out to 76.2%, flotation microstickies clearance average out to 63%.As can be seen here, biology enzyme composition of the present invention synchronously can process newsprint ink and gluing thing, and simplify paper technology step, treatment effeciency is high, and deinking efficiency and stickies removal effect are all highly improved.
Although the specific embodiment of the present invention has obtained detailed description, it will be understood to those of skill in the art that can carry out various amendment and replacement to those details, these change all within protection scope of the present invention according to disclosed all instructions.Four corner of the present invention is provided by claims and any equivalent thereof.
Claims (9)
1. newsprint ink and gluing thing synchronously process and use a biology enzyme composition, it is characterized in that, percentage, and described biology enzyme composition is composed of the following components:
Or, percentage, described biology enzyme composition is composed of the following components:
2. biology enzyme composition according to claim 1, is characterized in that, described esterase is lipase.
3. biology enzyme composition according to claim 2, is characterized in that, the enzyme of described lipase is lived as 20000U/g, and the enzyme of described laccase is lived as 10000U/g, and the enzyme of described cellulase is lived as 2000U/g, and the enzyme of described zytase is lived as 50000U/g.
4. the application of biology enzyme composition according to claim 3 in newsprint ink and gluing thing synchronously process, is characterized in that, the addition of described biology enzyme composition is 0.08% ~ 0.12% of described newsprint weight.
5. application according to claim 4, is characterized in that, the addition of described biology enzyme composition is 0.1% of described newsprint weight.
6. application according to claim 4, is characterized in that, the temperature that described newsprint ink and gluing thing synchronously process is 45 DEG C ~ 55 DEG C.
7. application according to claim 6, is characterized in that, the temperature that described newsprint ink and gluing thing synchronously process is 50 DEG C.
8. application according to claim 6, is characterized in that, the pH value that described newsprint ink and gluing thing synchronously process is 6.0 ~ 8.0.
9. application according to claim 8, is characterized in that, the pH value that described newsprint ink and gluing thing synchronously process is 8.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310645956.2A CN104695261B (en) | 2013-12-04 | 2013-12-04 | Newsprint ink and gluing thing synchronization process biological enzymatic compositions and its application |
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| CN201310645956.2A CN104695261B (en) | 2013-12-04 | 2013-12-04 | Newsprint ink and gluing thing synchronization process biological enzymatic compositions and its application |
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| CN104695261B CN104695261B (en) | 2017-07-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107217521A (en) * | 2017-06-16 | 2017-09-29 | 江苏金沃机械有限公司 | A kind of low ink paper sludge and preparation method thereof |
| CN110528304A (en) * | 2019-08-27 | 2019-12-03 | 绵阳禾本生物工程有限公司 | A kind of high-efficiency environment friendly Biologic Deinking Agent |
| CN112410311A (en) * | 2020-11-17 | 2021-02-26 | 苏州埃斯腾特生物科技有限公司 | Papermaking biological enzyme composition and preparation thereof |
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Cited By (5)
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|---|---|---|---|---|
| CN107217521A (en) * | 2017-06-16 | 2017-09-29 | 江苏金沃机械有限公司 | A kind of low ink paper sludge and preparation method thereof |
| CN107217521B (en) * | 2017-06-16 | 2019-01-01 | 南京陶特思软件科技有限公司 | A kind of low ink paper sludge and preparation method thereof |
| CN110528304A (en) * | 2019-08-27 | 2019-12-03 | 绵阳禾本生物工程有限公司 | A kind of high-efficiency environment friendly Biologic Deinking Agent |
| CN112410311A (en) * | 2020-11-17 | 2021-02-26 | 苏州埃斯腾特生物科技有限公司 | Papermaking biological enzyme composition and preparation thereof |
| CN112410311B (en) * | 2020-11-17 | 2021-11-12 | 苏州埃斯腾特生物科技有限公司 | Papermaking biological enzyme composition and preparation thereof |
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| CN104695261B (en) | 2017-07-21 |
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Effective date of registration: 20170626 Address after: 247100 Shuanglong Road 1, Chizhou economic and Technological Development Zone, Anhui, China Applicant after: ANHUI LEVEKING BIOTECHNOLOGY Co.,Ltd. Address before: 523808 Guangdong province Dongguan Songshan Lake City, Taoyuan Road No. 1, Dongguan Taiwan Biological Technology Co Incubation Center 1 building 4 floor Applicant before: DONGGUAN LEVEKING BIOTECHNOLOGY Co.,Ltd. |
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Denomination of invention: Biological enzyme composition and its application for simultaneous treatment of newsprint ink and adhesive Granted publication date: 20170721 Pledgee: Agricultural Bank of China Limited by Share Ltd. Chizhou branch Pledgor: ANHUI LEVEKING BIOTECHNOLOGY Co.,Ltd. Registration number: Y2024980008754 |