JP5583911B2 - セルロースエステルの製造、パルプの予備処理からのアルカリおよび／または酸のリサイクル - Google Patents
セルロースエステルの製造、パルプの予備処理からのアルカリおよび／または酸のリサイクル Download PDFInfo
- Publication number
- JP5583911B2 JP5583911B2 JP2008550328A JP2008550328A JP5583911B2 JP 5583911 B2 JP5583911 B2 JP 5583911B2 JP 2008550328 A JP2008550328 A JP 2008550328A JP 2008550328 A JP2008550328 A JP 2008550328A JP 5583911 B2 JP5583911 B2 JP 5583911B2
- Authority
- JP
- Japan
- Prior art keywords
- alkaline solution
- pulp
- acid
- impurities
- nanofiltration
- 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.)
- Expired - Fee Related
Links
- 239000003513 alkali Substances 0.000 title claims description 28
- 229920002678 cellulose Polymers 0.000 title claims description 22
- 238000004519 manufacturing process Methods 0.000 title claims description 11
- 238000004064 recycling Methods 0.000 title claims description 8
- 239000002253 acid Substances 0.000 title description 48
- 239000012535 impurity Substances 0.000 claims description 38
- 238000000034 method Methods 0.000 claims description 29
- 238000001728 nano-filtration Methods 0.000 claims description 25
- 239000012670 alkaline solution Substances 0.000 claims description 24
- 238000001914 filtration Methods 0.000 claims description 17
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- 238000004821 distillation Methods 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 12
- 239000000243 solution Substances 0.000 claims description 11
- 238000001556 precipitation Methods 0.000 claims description 10
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 9
- -1 polytetrafluoroethylene Polymers 0.000 claims description 8
- 239000003795 chemical substances by application Substances 0.000 claims description 7
- 239000012528 membrane Substances 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 230000001376 precipitating effect Effects 0.000 claims description 5
- 150000002576 ketones Chemical class 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 239000004695 Polyether sulfone Substances 0.000 claims description 3
- 239000004743 Polypropylene Substances 0.000 claims description 3
- CATSNJVOTSVZJV-UHFFFAOYSA-N heptan-2-one Chemical compound CCCCCC(C)=O CATSNJVOTSVZJV-UHFFFAOYSA-N 0.000 claims description 3
- 229920002492 poly(sulfone) Polymers 0.000 claims description 3
- 229920006393 polyether sulfone Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 3
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- PTTPXKJBFFKCEK-UHFFFAOYSA-N 2-Methyl-4-heptanone Chemical compound CC(C)CC(=O)CC(C)C PTTPXKJBFFKCEK-UHFFFAOYSA-N 0.000 claims description 2
- 125000003158 alcohol group Chemical group 0.000 claims 1
- 239000002244 precipitate Substances 0.000 claims 1
- 239000002904 solvent Substances 0.000 description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 14
- 238000011084 recovery Methods 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- 229920001131 Pulp (paper) Polymers 0.000 description 12
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 238000000926 separation method Methods 0.000 description 12
- 239000001913 cellulose Substances 0.000 description 10
- 229920002301 cellulose acetate Polymers 0.000 description 10
- WFDIJRYMOXRFFG-UHFFFAOYSA-N Acetic anhydride Chemical compound CC(=O)OC(C)=O WFDIJRYMOXRFFG-UHFFFAOYSA-N 0.000 description 9
- 239000012141 concentrate Substances 0.000 description 8
- 238000011045 prefiltration Methods 0.000 description 8
- 229920002488 Hemicellulose Polymers 0.000 description 7
- 238000002156 mixing Methods 0.000 description 7
- 239000007787 solid Substances 0.000 description 7
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 6
- 230000032050 esterification Effects 0.000 description 6
- 238000005886 esterification reaction Methods 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 5
- 239000007788 liquid Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 4
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 4
- 239000000706 filtrate Substances 0.000 description 4
- 235000011121 sodium hydroxide Nutrition 0.000 description 4
- 238000006467 substitution reaction Methods 0.000 description 4
- 238000005406 washing Methods 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 238000011282 treatment Methods 0.000 description 3
- 229920000742 Cotton Polymers 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-M Formate Chemical compound [O-]C=O BDAGIHXWWSANSR-UHFFFAOYSA-M 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- 229920000297 Rayon Polymers 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 230000021736 acetylation Effects 0.000 description 2
- 238000006640 acetylation reaction Methods 0.000 description 2
- 238000001994 activation Methods 0.000 description 2
- 239000008186 active pharmaceutical agent Substances 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 229920001577 copolymer Polymers 0.000 description 2
- 238000007257 deesterification reaction Methods 0.000 description 2
- 238000001704 evaporation Methods 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012510 hollow fiber Substances 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- 230000003472 neutralizing effect Effects 0.000 description 2
- 150000002894 organic compounds Chemical class 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 235000011118 potassium hydroxide Nutrition 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000000638 solvent extraction Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000000108 ultra-filtration Methods 0.000 description 2
- 229940070710 valerate Drugs 0.000 description 2
- NQPDZGIKBAWPEJ-UHFFFAOYSA-N valeric acid Chemical compound CCCCC(O)=O NQPDZGIKBAWPEJ-UHFFFAOYSA-N 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 1
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- DQEFEBPAPFSJLV-UHFFFAOYSA-N Cellulose propionate Chemical compound CCC(=O)OCC1OC(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C1OC1C(OC(=O)CC)C(OC(=O)CC)C(OC(=O)CC)C(COC(=O)CC)O1 DQEFEBPAPFSJLV-UHFFFAOYSA-N 0.000 description 1
- 229920002284 Cellulose triacetate Polymers 0.000 description 1
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical group CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 1
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 1
- 239000004793 Polystyrene Substances 0.000 description 1
- NNLVGZFZQQXQNW-ADJNRHBOSA-N [(2r,3r,4s,5r,6s)-4,5-diacetyloxy-3-[(2s,3r,4s,5r,6r)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxy-6-[(2r,3r,4s,5r,6s)-4,5,6-triacetyloxy-2-(acetyloxymethyl)oxan-3-yl]oxyoxan-2-yl]methyl acetate Chemical compound O([C@@H]1O[C@@H]([C@H]([C@H](OC(C)=O)[C@H]1OC(C)=O)O[C@H]1[C@@H]([C@@H](OC(C)=O)[C@H](OC(C)=O)[C@@H](COC(C)=O)O1)OC(C)=O)COC(=O)C)[C@@H]1[C@@H](COC(C)=O)O[C@@H](OC(C)=O)[C@H](OC(C)=O)[C@H]1OC(C)=O NNLVGZFZQQXQNW-ADJNRHBOSA-N 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 150000008044 alkali metal hydroxides Chemical class 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- 239000000292 calcium oxide Substances 0.000 description 1
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 1
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 229920001727 cellulose butyrate Polymers 0.000 description 1
- 229920006218 cellulose propionate Polymers 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000001627 detrimental effect Effects 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 150000004665 fatty acids Chemical class 0.000 description 1
- 150000002191 fatty alcohols Chemical class 0.000 description 1
- 150000002194 fatty esters Chemical class 0.000 description 1
- 239000010419 fine particle Substances 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- GJRQTCIYDGXPES-UHFFFAOYSA-N iso-butyl acetate Natural products CC(C)COC(C)=O GJRQTCIYDGXPES-UHFFFAOYSA-N 0.000 description 1
- FGKJLKRYENPLQH-UHFFFAOYSA-M isocaproate Chemical compound CC(C)CCC([O-])=O FGKJLKRYENPLQH-UHFFFAOYSA-M 0.000 description 1
- JMMWKPVZQRWMSS-UHFFFAOYSA-N isopropanol acetate Natural products CC(C)OC(C)=O JMMWKPVZQRWMSS-UHFFFAOYSA-N 0.000 description 1
- 229940011051 isopropyl acetate Drugs 0.000 description 1
- GWYFCOCPABKNJV-UHFFFAOYSA-M isovalerate Chemical compound CC(C)CC([O-])=O GWYFCOCPABKNJV-UHFFFAOYSA-M 0.000 description 1
- OQAGVSWESNCJJT-UHFFFAOYSA-N isovaleric acid methyl ester Natural products COC(=O)CC(C)C OQAGVSWESNCJJT-UHFFFAOYSA-N 0.000 description 1
- OOYGSFOGFJDDHP-KMCOLRRFSA-N kanamycin A sulfate Chemical group OS(O)(=O)=O.O[C@@H]1[C@@H](O)[C@H](O)[C@@H](CN)O[C@@H]1O[C@H]1[C@H](O)[C@@H](O[C@@H]2[C@@H]([C@@H](N)[C@H](O)[C@@H](CO)O2)O)[C@H](N)C[C@@H]1N OOYGSFOGFJDDHP-KMCOLRRFSA-N 0.000 description 1
- 229920005610 lignin Polymers 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- VTHJTEIRLNZDEV-UHFFFAOYSA-L magnesium dihydroxide Chemical compound [OH-].[OH-].[Mg+2] VTHJTEIRLNZDEV-UHFFFAOYSA-L 0.000 description 1
- 239000000347 magnesium hydroxide Substances 0.000 description 1
- 229910001862 magnesium hydroxide Inorganic materials 0.000 description 1
- 239000000395 magnesium oxide Substances 0.000 description 1
- CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
- 229910017604 nitric acid Inorganic materials 0.000 description 1
- WSGCRAOTEDLMFQ-UHFFFAOYSA-N nonan-5-one Chemical compound CCCCC(=O)CCCC WSGCRAOTEDLMFQ-UHFFFAOYSA-N 0.000 description 1
- 230000006911 nucleation Effects 0.000 description 1
- 238000010899 nucleation Methods 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002223 polystyrene Polymers 0.000 description 1
- 238000007781 pre-processing Methods 0.000 description 1
- 238000011085 pressure filtration Methods 0.000 description 1
- 238000002203 pretreatment Methods 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000011877 solvent mixture Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000003828 vacuum filtration Methods 0.000 description 1
- 239000001993 wax Substances 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/02—Rendering cellulose suitable for esterification
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B3/00—Preparation of cellulose esters of organic acids
- C08B3/22—Post-esterification treatments, including purification
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Extraction Or Liquid Replacement (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US11/332,741 | 2006-01-13 | ||
| US11/332,741 US20070167618A1 (en) | 2006-01-13 | 2006-01-13 | Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp |
| PCT/US2006/062060 WO2007087100A2 (en) | 2006-01-13 | 2006-12-14 | Manufacture of cellulose esters: recycle of caustic and/or acid from pre-treatment of pulp |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2009523857A JP2009523857A (ja) | 2009-06-25 |
| JP2009523857A5 JP2009523857A5 (enExample) | 2012-06-28 |
| JP5583911B2 true JP5583911B2 (ja) | 2014-09-03 |
Family
ID=38264058
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2008550328A Expired - Fee Related JP5583911B2 (ja) | 2006-01-13 | 2006-12-14 | セルロースエステルの製造、パルプの予備処理からのアルカリおよび／または酸のリサイクル |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20070167618A1 (enExample) |
| EP (1) | EP1987192A4 (enExample) |
| JP (1) | JP5583911B2 (enExample) |
| KR (1) | KR20080071191A (enExample) |
| CN (2) | CN102558364B (enExample) |
| WO (1) | WO2007087100A2 (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070284068A1 (en) * | 2006-05-19 | 2007-12-13 | The Research Foundation Of State University Of New York | Methods for carbonate pretreatment and pulping of cellulosic material |
| US8303767B2 (en) * | 2008-03-18 | 2012-11-06 | The Research Foundation Of State University Of New York | Methods of pretreating comminuted cellulosic material with carbonate-containing solutions |
| US20100175691A1 (en) * | 2009-01-15 | 2010-07-15 | Celanese Acetate Llc | Process for recycling cellulose acetate ester waste |
| FR2975394B1 (fr) * | 2011-05-17 | 2013-05-31 | Rhodia Acetow Gmbh | Procede de recuperation d'acide acetique |
| CN102268104A (zh) * | 2011-06-01 | 2011-12-07 | 桂林理工大学 | 一种蔗渣木聚糖醋酸酯的制备方法 |
| US9212290B2 (en) | 2012-01-27 | 2015-12-15 | Celanese Acetate Llc | Substituted cellulose acetates and uses thereof |
| US9167830B2 (en) | 2012-01-27 | 2015-10-27 | Celanese Acetate Llc | Substituted cellulose acetates and uses thereof |
| US9023757B2 (en) | 2012-01-27 | 2015-05-05 | Celanese Acetate Llc | Substituted cellulose acetates and uses thereof |
| CN104245946A (zh) * | 2012-04-26 | 2014-12-24 | 阿彻丹尼尔斯米德兰德公司 | 用于制造糖浆和木质素部分的木质纤维素生物质的液体/液体分离 |
| WO2014046679A1 (en) | 2012-09-24 | 2014-03-27 | Celanese Acetate Llc | Wood laminate articles comprising substituted cellulose ester adhesives and methods relating thereto |
| US9090045B2 (en) | 2012-09-24 | 2015-07-28 | Celanese Acetate Llc | Engineered wood produced with substituted cellulose ester adhesives and methods relating thereto |
| WO2014074086A1 (en) * | 2012-11-06 | 2014-05-15 | Empire Technology Development Llc | Copolymers of starch and cellulose |
| CN105906845B (zh) * | 2016-04-28 | 2018-03-06 | 四川普什醋酸纤维素有限责任公司 | 一种醋酸纤维素胶粒及其制造方法 |
| JP7730495B2 (ja) * | 2020-09-08 | 2025-08-28 | 国立大学法人神戸大学 | 酢酸の回収方法 |
| ES2980734T3 (es) | 2021-09-01 | 2024-10-02 | Asia Pacific Resources Int Holdings Ltd | Un método para reciclar celulosa textil residual |
Family Cites Families (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US1933676A (en) * | 1931-05-22 | 1933-11-07 | Brown Co | Preparation of cellulose acetate and the like |
| US2041958A (en) * | 1934-07-25 | 1936-05-26 | Brown Co | Refining cellulose fiber for conversion into cellulose derivatives |
| US2380706A (en) * | 1942-05-01 | 1945-07-31 | Eastman Kodak Co | Production of refined wood pulp |
| US2385259A (en) * | 1943-05-10 | 1945-09-18 | Dow Chemical Co | Purification of wood pulp |
| US2645576A (en) * | 1948-03-10 | 1953-07-14 | Celanese Corp | Purifying wood pulp |
| US4151327A (en) * | 1978-02-24 | 1979-04-24 | Lawton William R | Complex amine/silane treated cellulosic materials |
| US4399275A (en) * | 1982-01-06 | 1983-08-16 | Itt Corporation | Preparation of highly reactive cellulose |
| JP3144957B2 (ja) * | 1992-09-24 | 2001-03-12 | ダイセル化学工業株式会社 | セルロース脂肪酸エステル及びその製造方法 |
| DE69327286T2 (de) * | 1992-09-24 | 2000-05-11 | Daicel Chemical Industries, Ltd. | Verfahren zur Herstellung eines Fettsäureesters von Cellulose |
| CN1074482C (zh) * | 1994-12-15 | 2001-11-07 | 大金工业株式会社 | 纤维素纤维防污加工方法 |
| US5648529A (en) * | 1995-05-16 | 1997-07-15 | Hoechst Celanese Corporation | Process for the recovery of an organic acid from the manufacture of a cellulose ester |
| CA2241193A1 (en) * | 1995-12-23 | 1997-07-03 | Krebs & Co. Ag | Process for purifying a liquid contaminated by filamentary molecules |
| CN1205653A (zh) * | 1995-12-23 | 1999-01-20 | 克雷布斯公司 | 混有链状分子的液体的提纯方法 |
| FI103418B1 (fi) * | 1996-01-31 | 1999-06-30 | Sunds Defibrator Woodhandling | Menetelmä ja laite selluloosamassan valmistamiseen käytettävän kuituaineksen esikäsittelemiseksi |
| FI122654B (fi) * | 1997-12-08 | 2012-05-15 | Ovivo Luxembourg Sarl | Menetelmä paperisellumassan valmistamiseksi |
| US20060287517A1 (en) * | 2005-06-16 | 2006-12-21 | Linfu Wang | Preparation of wood pulps with caustic pretreatment for use in the manufacture of cellulose acetates and other organic esters |
-
2006
- 2006-01-13 US US11/332,741 patent/US20070167618A1/en not_active Abandoned
- 2006-12-14 CN CN201110403111.3A patent/CN102558364B/zh not_active Expired - Fee Related
- 2006-12-14 KR KR1020087015107A patent/KR20080071191A/ko not_active Ceased
- 2006-12-14 EP EP06840253A patent/EP1987192A4/en not_active Withdrawn
- 2006-12-14 JP JP2008550328A patent/JP5583911B2/ja not_active Expired - Fee Related
- 2006-12-14 WO PCT/US2006/062060 patent/WO2007087100A2/en not_active Ceased
- 2006-12-14 CN CN2006800492654A patent/CN101346510B/zh not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101346510A (zh) | 2009-01-14 |
| JP2009523857A (ja) | 2009-06-25 |
| CN102558364B (zh) | 2015-04-15 |
| KR20080071191A (ko) | 2008-08-01 |
| EP1987192A2 (en) | 2008-11-05 |
| WO2007087100A2 (en) | 2007-08-02 |
| US20070167618A1 (en) | 2007-07-19 |
| CN102558364A (zh) | 2012-07-11 |
| CN101346510B (zh) | 2013-03-13 |
| EP1987192A4 (en) | 2010-08-18 |
| WO2007087100A3 (en) | 2007-11-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP5583911B2 (ja) | セルロースエステルの製造、パルプの予備処理からのアルカリおよび／または酸のリサイクル | |
| JP2009523857A5 (enExample) | ||
| CN104169491B (zh) | 再生纤维素 | |
| US4270914A (en) | Process for controlling hemicellulose concentration during the mercerization of cellulose | |
| WO2016193535A1 (en) | A method and an apparatus for forming a lignin fraction, a lignin composition and its use | |
| US6648978B2 (en) | Membrane filtration for thickening and starch washing in corn wet milling | |
| JP3144957B2 (ja) | セルロース脂肪酸エステル及びその製造方法 | |
| AU2016318544B2 (en) | Process for the extraction of silica | |
| RU2736368C2 (ru) | Способ получения экстрактов гемицеллюлозы | |
| JP3392470B2 (ja) | 二酢酸セルロース及びその製造方法 | |
| CN113603805B (zh) | 一种白刺多糖的制备方法 | |
| CN115650947A (zh) | 一种乙交酯的精制方法 | |
| WO2025062224A1 (en) | Method for obtaining purified lignin | |
| CN113831549B (zh) | 一种从农林生物质原料中提纯木质素的方法 | |
| JP7457086B2 (ja) | 廃偏光板の回収システムおよび方法 | |
| CN102964584B (zh) | 一种粗聚碳酸酯溶液的纯化方法 | |
| US6417345B1 (en) | Method for producing acetylated pyroxylin | |
| CN114213241B (zh) | 一种从莽草酸发酵液中提取莽草酸的方法 | |
| JPH06287199A (ja) | ビートサポニンの精製方法 | |
| JPS6143139A (ja) | テレフタル酸の回収法 | |
| JPS60146013A (ja) | 回収処理法 | |
| JP2003082001A (ja) | レブリン酸セルロースの製造方法 | |
| CN117916417A (zh) | 处理纤维原材料的方法 | |
| CN118878554A (zh) | 从克拉维酸叔丁胺盐结晶母液中回收有效成分的方法 | |
| CN113403107A (zh) | 粗褐煤蜡脱树脂的方法 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20120131 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20120426 |
|
| A524 | Written submission of copy of amendment under article 19 pct |
Free format text: JAPANESE INTERMEDIATE CODE: A524 Effective date: 20120426 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A821 Effective date: 20120426 |
|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 20121127 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20130325 |
|
| A911 | Transfer to examiner for re-examination before appeal (zenchi) |
Free format text: JAPANESE INTERMEDIATE CODE: A911 Effective date: 20130409 |
|
| A912 | Re-examination (zenchi) completed and case transferred to appeal board |
Free format text: JAPANESE INTERMEDIATE CODE: A912 Effective date: 20130628 |
|
| A601 | Written request for extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A601 Effective date: 20131206 |
|
| A602 | Written permission of extension of time |
Free format text: JAPANESE INTERMEDIATE CODE: A602 Effective date: 20131211 |
|
| A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20140613 |
|
| A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20140717 |
|
| R150 | Certificate of patent or registration of utility model |
Ref document number: 5583911 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313113 |
|
| S531 | Written request for registration of change of domicile |
Free format text: JAPANESE INTERMEDIATE CODE: R313531 |
|
| R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |