CA3137354A1 - Preparation of cellulose fibers - Google Patents
Preparation of cellulose fibers Download PDFInfo
- Publication number
- CA3137354A1 CA3137354A1 CA3137354A CA3137354A CA3137354A1 CA 3137354 A1 CA3137354 A1 CA 3137354A1 CA 3137354 A CA3137354 A CA 3137354A CA 3137354 A CA3137354 A CA 3137354A CA 3137354 A1 CA3137354 A1 CA 3137354A1
- Authority
- CA
- Canada
- Prior art keywords
- cellulose
- treatment
- wax
- fraction
- lignin
- 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
- 229920003043 Cellulose fiber Polymers 0.000 title claims abstract description 111
- 238000002360 preparation method Methods 0.000 title claims description 14
- 239000000835 fiber Substances 0.000 claims abstract description 155
- 238000000034 method Methods 0.000 claims abstract description 97
- 229920002678 cellulose Polymers 0.000 claims abstract description 73
- 239000001913 cellulose Substances 0.000 claims abstract description 73
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- 239000000047 product Substances 0.000 claims description 115
- 239000000463 material Substances 0.000 claims description 94
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- D21C1/00—Pretreatment of the finely-divided materials before digesting
- D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
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- 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
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- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/001—Modification of pulp properties
- D21C9/007—Modification of pulp properties by mechanical or physical means
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
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- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
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- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
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- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
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- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching processes
- D21C9/1052—Controlling the process
-
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
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- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
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- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E50/00—Technologies for the production of fuel of non-fossil origin
- Y02E50/10—Biofuels, e.g. bio-diesel
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Inorganic Chemistry (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Paper (AREA)
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| EP19153123.5 | 2019-01-22 | ||
| PCT/EP2020/051429 WO2020152178A1 (en) | 2019-01-22 | 2020-01-21 | Preparation of cellulose fibers |
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| CA3137354A1 true CA3137354A1 (en) | 2020-07-30 |
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| AT524093A2 (de) * | 2020-08-06 | 2022-02-15 | Mondi Ag | Verfahren zur Herstellung von Cellulosefaser-basierten Verpackungsprodukten und Cellulosefaser-basiertes Verpackungsprodukt |
| AT524092A2 (de) * | 2020-08-06 | 2022-02-15 | Mondi Ag | Verfahren zur Herstellung von Cellulosefaser-basierten Verpackungsprodukten und Cellulosefaser-basiertes Verpackungsprodukt |
| US12129342B2 (en) | 2021-10-29 | 2024-10-29 | Alliance For Sustainable Energy, Llc | Pretreatment of lignocellulose using two stage alkali and mechanical refining processes |
| WO2023137154A1 (en) * | 2022-01-14 | 2023-07-20 | Greenkey Llc | Process for treating land-based plant and marine-based biomasses |
| CN114687234B (zh) * | 2022-03-31 | 2023-06-16 | 华南理工大学 | 一种利用竹子制备绒毛浆的方法及其制备的绒毛浆 |
| CN114621539B (zh) * | 2022-04-25 | 2023-05-02 | 上饶市博美新材料有限公司 | 一种耐热复合塑料及其制备方法 |
| CN115354517A (zh) * | 2022-09-15 | 2022-11-18 | 江苏大惠生物科技发展有限公司 | 生物和物理相结合分解农业秸秆的方法 |
| WO2024062070A1 (en) | 2022-09-23 | 2024-03-28 | Minris Aps | Composition comprising cuts of cereal straw |
| WO2024218559A1 (en) * | 2023-04-19 | 2024-10-24 | Gunaratne Udayajeewa Karunamangala | A method of an eco-friendly and bio-degradable paper pulp manufacturing using discarded, shredded currency notes and bottle gourd |
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| CN119505312A (zh) * | 2024-11-21 | 2025-02-25 | 齐鲁工业大学(山东省科学院) | 一种高强度木质纳米纤维素膜及其制备方法 |
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| US1715194A (en) | 1924-10-30 | 1929-05-28 | Garcia Jose Trevino | Method of extracting candelilla wax |
| US2275661A (en) | 1939-07-17 | 1942-03-10 | Johnson & Son Inc S C | Wax extraction |
| US2275630A (en) | 1939-07-17 | 1942-03-10 | Johnson & Son Inc S C | Wax powder refining |
| US2662893A (en) | 1950-03-28 | 1953-12-15 | Oregon State | Extraction of valuable products from bark |
| US2804271A (en) | 1954-12-09 | 1957-08-27 | Johnson & Son Inc S C | Wax stripper |
| BE667243A (enExample) | 1964-07-22 | 1900-01-01 | ||
| JPS5468402A (en) * | 1977-11-09 | 1979-06-01 | Kogyo Gijutsuin | Property modification of biochemical pulp |
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-
2020
- 2020-01-21 ES ES20701060T patent/ES3034008T3/es active Active
- 2020-01-21 AU AU2020211300A patent/AU2020211300B2/en active Active
- 2020-01-21 US US17/424,962 patent/US12448730B2/en active Active
- 2020-01-21 JP JP2021559523A patent/JP7520873B2/ja active Active
- 2020-01-21 CN CN202080023264.2A patent/CN113950550B/zh active Active
- 2020-01-21 EP EP20701060.4A patent/EP3914767B1/en active Active
- 2020-01-21 WO PCT/EP2020/051429 patent/WO2020152178A1/en not_active Ceased
- 2020-01-21 CA CA3137354A patent/CA3137354A1/en active Pending
- 2020-01-21 PL PL20701060.4T patent/PL3914767T3/pl unknown
- 2020-01-21 HU HUE20701060A patent/HUE072944T2/hu unknown
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|---|---|
| CN113950550A (zh) | 2022-01-18 |
| AU2020211300B2 (en) | 2025-08-14 |
| US20220081833A1 (en) | 2022-03-17 |
| EP3914767C0 (en) | 2025-05-21 |
| HUE072944T2 (hu) | 2025-12-28 |
| ES3034008T3 (en) | 2025-08-12 |
| PL3914767T3 (pl) | 2025-11-24 |
| JP2022520891A (ja) | 2022-04-01 |
| CN113950550B (zh) | 2023-06-09 |
| AU2020211300A1 (en) | 2021-09-16 |
| JP7520873B2 (ja) | 2024-07-23 |
| WO2020152178A1 (en) | 2020-07-30 |
| EP3914767A1 (en) | 2021-12-01 |
| EP3914767B1 (en) | 2025-05-21 |
| US12448730B2 (en) | 2025-10-21 |
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