CA1284637C - Procede de fractionnement de la biomasse - Google Patents

Procede de fractionnement de la biomasse

Info

Publication number: CA1284637C
Authority: CA; Canada
Prior art keywords: liquor; temperature; lignin; rate; heating
Prior art date: 1987-08-24
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 - Lifetime

Application number

CA000545214A

Other languages

English (en)

Inventor

George S. Faass

Ronnie S. Roberts

John D. Muzzy

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Georgia Tech Research Corp

Original Assignee

Georgia Tech Research Corp

Priority date (The priority date 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 date listed.)

1987-08-24

Filing date

1987-08-24

Publication date

1991-06-04

1987-08-24 Application filed by Georgia Tech Research Corp filed Critical Georgia Tech Research Corp

1987-08-24 Priority to CA000545214A priority Critical patent/CA1284637C/fr

1991-06-04 Application granted granted Critical

1991-06-04 Publication of CA1284637C publication Critical patent/CA1284637C/fr

2008-06-04 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims abstract description 106
230000008569 process Effects 0.000 title claims abstract description 102
239000002028 Biomass Substances 0.000 title abstract 2
238000005194 fractionation Methods 0.000 title abstract 2
229920005610 lignin Polymers 0.000 claims abstract description 154
239000001913 cellulose Substances 0.000 claims abstract description 75
229920002678 cellulose Polymers 0.000 claims abstract description 75
238000010438 heat treatment Methods 0.000 claims abstract description 64
239000012978 lignocellulosic material Substances 0.000 claims abstract description 57
238000001816 cooling Methods 0.000 claims abstract description 40
230000015556 catabolic process Effects 0.000 claims abstract description 34
238000006731 degradation reaction Methods 0.000 claims abstract description 34
239000000159 acid neutralizing agent Substances 0.000 claims abstract description 32
238000007614 solvation Methods 0.000 claims abstract description 30
239000000463 material Substances 0.000 claims abstract description 28
239000003960 organic solvent Substances 0.000 claims abstract description 26
239000003795 chemical substances by application Substances 0.000 claims abstract description 17
230000003472 neutralizing effect Effects 0.000 claims abstract description 16
238000010411 cooking Methods 0.000 claims description 113
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 59
239000000654 additive Substances 0.000 claims description 37
230000000996 additive effect Effects 0.000 claims description 26
125000003118 aryl group Chemical group 0.000 claims description 19
RBGUKBSLNOTVCD-UHFFFAOYSA-N 1-methylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2C RBGUKBSLNOTVCD-UHFFFAOYSA-N 0.000 claims description 16
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
JWAZRIHNYRIHIV-UHFFFAOYSA-N 2-naphthol Chemical compound C1=CC=CC2=CC(O)=CC=C21 JWAZRIHNYRIHIV-UHFFFAOYSA-N 0.000 claims description 14
239000002253 acid Substances 0.000 claims description 13
LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 9
-1 aliphatic ketones Chemical class 0.000 claims description 7
PYKYMHQGRFAEBM-UHFFFAOYSA-N anthraquinone Natural products CCC(=O)c1c(O)c2C(=O)C3C(C=CC=C3O)C(=O)c2cc1CC(=O)OC PYKYMHQGRFAEBM-UHFFFAOYSA-N 0.000 claims description 7
150000004056 anthraquinones Chemical class 0.000 claims description 7
150000001298 alcohols Chemical class 0.000 claims description 6
229950011260 betanaphthol Drugs 0.000 claims description 6
238000006467 substitution reaction Methods 0.000 claims description 6
RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 3
239000002245 particle Substances 0.000 claims description 3
150000004053 quinones Chemical class 0.000 claims description 3
238000007336 electrophilic substitution reaction Methods 0.000 claims 1
239000002023 wood Substances 0.000 description 68
235000010980 cellulose Nutrition 0.000 description 57
235000019441 ethanol Nutrition 0.000 description 38
UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 16
150000001720 carbohydrates Chemical class 0.000 description 15
235000014633 carbohydrates Nutrition 0.000 description 15
239000000203 mixture Substances 0.000 description 15
238000004537 pulping Methods 0.000 description 15
229920002488 Hemicellulose Polymers 0.000 description 13
XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 12
238000007792 addition Methods 0.000 description 12
230000029087 digestion Effects 0.000 description 12
239000004202 carbamide Substances 0.000 description 11
230000007935 neutral effect Effects 0.000 description 10
238000009833 condensation Methods 0.000 description 8
230000005494 condensation Effects 0.000 description 8
230000000694 effects Effects 0.000 description 8
229910000030 sodium bicarbonate Inorganic materials 0.000 description 8
235000017557 sodium bicarbonate Nutrition 0.000 description 8
239000006227 byproduct Substances 0.000 description 7
238000011084 recovery Methods 0.000 description 7
CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Substances [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 7
239000000126 substance Substances 0.000 description 7
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
239000002904 solvent Substances 0.000 description 6
230000003247 decreasing effect Effects 0.000 description 5
239000012071 phase Substances 0.000 description 5
239000003265 pulping liquor Substances 0.000 description 5
230000002829 reductive effect Effects 0.000 description 5
230000007704 transition Effects 0.000 description 5
230000002378 acidificating effect Effects 0.000 description 4
150000007513 acids Chemical class 0.000 description 4
238000006243 chemical reaction Methods 0.000 description 4
238000007872 degassing Methods 0.000 description 4
239000000047 product Substances 0.000 description 4
229920001503 Glucan Polymers 0.000 description 3
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 3
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
239000007864 aqueous solution Substances 0.000 description 3
238000006482 condensation reaction Methods 0.000 description 3
230000007423 decrease Effects 0.000 description 3
238000000605 extraction Methods 0.000 description 3
230000002349 favourable effect Effects 0.000 description 3
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 3
229910000029 sodium carbonate Inorganic materials 0.000 description 3
239000000243 solution Substances 0.000 description 3
238000000638 solvent extraction Methods 0.000 description 3
229920001221 xylan Polymers 0.000 description 3
150000004823 xylans Chemical class 0.000 description 3
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
230000009286 beneficial effect Effects 0.000 description 2
150000001875 compounds Chemical class 0.000 description 2
230000001419 dependent effect Effects 0.000 description 2
HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 description 2
230000002401 inhibitory effect Effects 0.000 description 2
238000004519 manufacturing process Methods 0.000 description 2
230000035515 penetration Effects 0.000 description 2
229920000642 polymer Polymers 0.000 description 2
238000004321 preservation Methods 0.000 description 2
230000009467 reduction Effects 0.000 description 2
238000011160 research Methods 0.000 description 2
238000000926 separation method Methods 0.000 description 2
238000007086 side reaction Methods 0.000 description 2
238000002791 soaking Methods 0.000 description 2
235000011121 sodium hydroxide Nutrition 0.000 description 2
230000006641 stabilisation Effects 0.000 description 2
238000011105 stabilization Methods 0.000 description 2
HSKPJQYAHCKJQC-UHFFFAOYSA-N 1-ethylanthracene-9,10-dione Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2CC HSKPJQYAHCKJQC-UHFFFAOYSA-N 0.000 description 1
SBMYBOVJMOVVQW-UHFFFAOYSA-N 2-[3-[[4-(2,2-difluoroethyl)piperazin-1-yl]methyl]-4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]pyrazol-1-yl]-1-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)ethanone Chemical compound FC(CN1CCN(CC1)CC1=NN(C=C1C=1C=NC(=NC=1)NC1CC2=CC=CC=C2C1)CC(=O)N1CC2=C(CC1)NN=N2)F SBMYBOVJMOVVQW-UHFFFAOYSA-N 0.000 description 1
LLQHSBBZNDXTIV-UHFFFAOYSA-N 6-[5-[[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]methyl]-4,5-dihydro-1,2-oxazol-3-yl]-3H-1,3-benzoxazol-2-one Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)N1CCN(CC1)CC1CC(=NO1)C1=CC2=C(NC(O2)=O)C=C1 LLQHSBBZNDXTIV-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
229920003043 Cellulose fiber Polymers 0.000 description 1
241000288140 Gruiformes Species 0.000 description 1
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
241000218314 Liriodendron tulipifera Species 0.000 description 1
229920000057 Mannan Polymers 0.000 description 1
NEAPKZHDYMQZCB-UHFFFAOYSA-N N-[2-[4-[2-(2,3-dihydro-1H-inden-2-ylamino)pyrimidin-5-yl]piperazin-1-yl]ethyl]-2-oxo-3H-1,3-benzoxazole-6-carboxamide Chemical compound C1CN(CCN1CCNC(=O)C2=CC3=C(C=C2)NC(=O)O3)C4=CN=C(N=C4)NC5CC6=CC=CC=C6C5 NEAPKZHDYMQZCB-UHFFFAOYSA-N 0.000 description 1
241000412626 Penetes Species 0.000 description 1
ISWSIDIOOBJBQZ-UHFFFAOYSA-N Phenol Chemical compound OC1=CC=CC=C1 ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
208000037656 Respiratory Sounds Diseases 0.000 description 1
VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
239000004280 Sodium formate Substances 0.000 description 1
241000722921 Tulipa gesneriana Species 0.000 description 1
235000011054 acetic acid Nutrition 0.000 description 1
150000001243 acetic acids Chemical class 0.000 description 1
125000003158 alcohol group Chemical group 0.000 description 1
230000004075 alteration Effects 0.000 description 1
229910021529 ammonia Inorganic materials 0.000 description 1
238000013459 approach Methods 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
230000000903 blocking effect Effects 0.000 description 1
239000001506 calcium phosphate Substances 0.000 description 1
229910000389 calcium phosphate Inorganic materials 0.000 description 1
235000011010 calcium phosphates Nutrition 0.000 description 1
238000012511 carbohydrate analysis Methods 0.000 description 1
125000004432 carbon atom Chemical group C* 0.000 description 1
230000003197 catalytic effect Effects 0.000 description 1
229940106135 cellulose Drugs 0.000 description 1
238000010960 commercial process Methods 0.000 description 1
238000000354 decomposition reaction Methods 0.000 description 1
230000000593 degrading effect Effects 0.000 description 1
238000004090 dissolution Methods 0.000 description 1
230000009977 dual effect Effects 0.000 description 1
239000000835 fiber Substances 0.000 description 1
235000019253 formic acid Nutrition 0.000 description 1
150000004674 formic acids Chemical class 0.000 description 1
238000013467 fragmentation Methods 0.000 description 1
238000006062 fragmentation reaction Methods 0.000 description 1
239000000446 fuel Substances 0.000 description 1
239000007789 gas Substances 0.000 description 1
239000011121 hardwood Substances 0.000 description 1
229930195733 hydrocarbon Natural products 0.000 description 1
150000002430 hydrocarbons Chemical class 0.000 description 1
238000007327 hydrogenolysis reaction Methods 0.000 description 1
230000003301 hydrolyzing effect Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
238000002347 injection Methods 0.000 description 1
239000007924 injection Substances 0.000 description 1
238000011835 investigation Methods 0.000 description 1
238000002955 isolation Methods 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
230000014759 maintenance of location Effects 0.000 description 1
238000003801 milling Methods 0.000 description 1
238000006386 neutralization reaction Methods 0.000 description 1
230000003647 oxidation Effects 0.000 description 1
238000007254 oxidation reaction Methods 0.000 description 1
238000010525 oxidative degradation reaction Methods 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
229920001223 polyethylene glycol Polymers 0.000 description 1
229920001282 polysaccharide Polymers 0.000 description 1
238000012545 processing Methods 0.000 description 1
206010037833 rales Diseases 0.000 description 1
239000000376 reactant Substances 0.000 description 1
239000011541 reaction mixture Substances 0.000 description 1
238000004064 recycling Methods 0.000 description 1
238000010992 reflux Methods 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000011734 sodium Substances 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
239000001632 sodium acetate Substances 0.000 description 1
235000017281 sodium acetate Nutrition 0.000 description 1
239000001509 sodium citrate Substances 0.000 description 1
NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 description 1
HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 description 1
235000019254 sodium formate Nutrition 0.000 description 1
239000001488 sodium phosphate Substances 0.000 description 1
229910000162 sodium phosphate Inorganic materials 0.000 description 1
GRVFOGOEDUUMBP-UHFFFAOYSA-N sodium sulfide (anhydrous) Chemical compound [Na+].[Na+].[S-2] GRVFOGOEDUUMBP-UHFFFAOYSA-N 0.000 description 1
239000011122 softwood Substances 0.000 description 1
239000007790 solid phase Substances 0.000 description 1
239000003381 stabilizer Substances 0.000 description 1
238000010025 steaming Methods 0.000 description 1
QORWJWZARLRLPR-UHFFFAOYSA-H tricalcium bis(phosphate) Chemical compound [Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O QORWJWZARLRLPR-UHFFFAOYSA-H 0.000 description 1
RYFMWSXOAZQYPI-UHFFFAOYSA-K trisodium phosphate Chemical compound [Na+].[Na+].[Na+].[O-]P([O-])([O-])=O RYFMWSXOAZQYPI-UHFFFAOYSA-K 0.000 description 1
238000009834 vaporization Methods 0.000 description 1
230000008016 vaporization Effects 0.000 description 1

Landscapes

Paper (AREA)

CA000545214A 1987-08-24 1987-08-24 Procede de fractionnement de la biomasse Expired - Lifetime CA1284637C (fr)

Priority Applications (1)

Application Number	Priority Date	Filing Date	Title
CA000545214A CA1284637C (fr)	1987-08-24	1987-08-24	Procede de fractionnement de la biomasse

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CA000545214A CA1284637C (fr)	1987-08-24	1987-08-24	Procede de fractionnement de la biomasse

Publications (1)

Publication Number	Publication Date
CA1284637C true CA1284637C (fr)	1991-06-04

Family

ID=4136326

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA000545214A Expired - Lifetime CA1284637C (fr)	1987-08-24	1987-08-24	Procede de fractionnement de la biomasse

Country Status (1)

Country	Link
CA (1)	CA1284637C (fr)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8317928B1 (en)	2011-05-04	2012-11-27	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8409357B2 (en)	2011-05-04	2013-04-02	Renmatix, Inc.	Self-cleaning apparatus and method for thick slurry pressure control
US8546561B2 (en)	2008-07-16	2013-10-01	Renmatix, Inc.	Nano-catalytic-solvo-thermal technology platform bio-refineries
US8546560B2 (en)	2008-07-16	2013-10-01	Renmatix, Inc.	Solvo-thermal hydrolysis of cellulose
US8663800B2 (en)	2011-05-04	2014-03-04	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8759498B2 (en)	2011-12-30	2014-06-24	Renmatix, Inc.	Compositions comprising lignin
US20160002850A1 (en) *	2013-02-27	2016-01-07	Bio-Sep Limited	Biomass Process Optimisation
US10053745B2 (en)	2010-01-19	2018-08-21	Renmatix, Inc.	Production of fermentable sugars and lignin from biomass using supercritical fluids
US10253057B2 (en)	2014-11-12	2019-04-09	Renmatix, Inc.	Method of coalescing a substance
US10301437B2 (en)	2013-11-26	2019-05-28	Upm-Kymmene Corporation	Method for treating lignin and for producing a binder composition
US10793646B2 (en)	2014-09-26	2020-10-06	Renmatix, Inc.	Adhesive compositions comprising type-II cellulose
CN116889843A (zh) *	2023-07-10	2023-10-17	军安绿色新材料科技(广州)有限公司	一种应用于木质素提炼过程的热平衡系统

1987
- 1987-08-24 CA CA000545214A patent/CA1284637C/fr not_active Expired - Lifetime

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US8546561B2 (en)	2008-07-16	2013-10-01	Renmatix, Inc.	Nano-catalytic-solvo-thermal technology platform bio-refineries
US8546560B2 (en)	2008-07-16	2013-10-01	Renmatix, Inc.	Solvo-thermal hydrolysis of cellulose
US10053745B2 (en)	2010-01-19	2018-08-21	Renmatix, Inc.	Production of fermentable sugars and lignin from biomass using supercritical fluids
US10858712B2 (en)	2010-01-19	2020-12-08	Renmatix, Inc.	Production of fermentable sugars and lignin from biomass using supercritical fluids
US8404051B2 (en)	2011-05-04	2013-03-26	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8409357B2 (en)	2011-05-04	2013-04-02	Renmatix, Inc.	Self-cleaning apparatus and method for thick slurry pressure control
US8663800B2 (en)	2011-05-04	2014-03-04	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8840995B2 (en)	2011-05-04	2014-09-23	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8317928B1 (en)	2011-05-04	2012-11-27	Renmatix, Inc.	Lignin production from lignocellulosic biomass
US8759498B2 (en)	2011-12-30	2014-06-24	Renmatix, Inc.	Compositions comprising lignin
US9963555B2 (en)	2011-12-30	2018-05-08	Renmatix, Inc.	Compositions comprising lignin
US20160002850A1 (en) *	2013-02-27	2016-01-07	Bio-Sep Limited	Biomass Process Optimisation
US10000891B2 (en) *	2013-02-27	2018-06-19	Bio-Sep Limited	Biomass process optimisation
US10301437B2 (en)	2013-11-26	2019-05-28	Upm-Kymmene Corporation	Method for treating lignin and for producing a binder composition
US10793646B2 (en)	2014-09-26	2020-10-06	Renmatix, Inc.	Adhesive compositions comprising type-II cellulose
US10253057B2 (en)	2014-11-12	2019-04-09	Renmatix, Inc.	Method of coalescing a substance
US10633405B2 (en)	2014-11-12	2020-04-28	Renmatix, Inc.	Method of coalescing a substance
CN116889843A (zh) *	2023-07-10	2023-10-17	军安绿色新材料科技(广州)有限公司	一种应用于木质素提炼过程的热平衡系统
CN116889843B (zh) *	2023-07-10	2024-03-15	军安绿色新材料科技(广州)有限公司	一种应用于木质素提炼过程的热平衡系统

Legal Events

Date	Code	Title	Description
1993-12-06	MKLA	Lapsed

Publication	Publication Date	Title
US4746401A (en)	1988-05-24	Process for extracting lignin from lignocellulosic material using an aqueous organic solvent and an acid neutralizing agent
US4409032A (en)	1983-10-11	Organosolv delignification and saccharification process for lignocellulosic plant materials
CA1284637C (fr)	1991-06-04	Procede de fractionnement de la biomasse
US5730837A (en)	1998-03-24	Method of separating lignocellulosic material into lignin, cellulose and dissolved sugars
US4594130A (en)	1986-06-10	Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst
US4470851A (en)	1984-09-11	High efficiency organosolv saccharification process
Wood et al.	1988	Increasing the availability of cellulose in biomass materials
JP3348387B2 (ja)	2002-11-20	ギ酸を添加した酢酸によるパルプの製法
US4904342A (en)	1990-02-27	Process for pulping lignocellulose-containing material
US9631316B2 (en)	2017-04-25	Biomass fractionation processes employing sulfur dioxide
US9856605B2 (en)	2018-01-02	Integration of non-woody biorefining at pulp and paper plants
US20140182582A1 (en)	2014-07-03	Processes for making cellulose with very low lignin content for glucose, high-purity cellulose, or cellulose derivatives
WO1990002836A1 (fr)	1990-03-22	Delignification du bois dans des conditions supercritiques
CA2933806A1 (fr)	2014-07-03	Procedes de fractionnement de plantes entieres pour produire des sucres fermentables et des co-produits
US4826566A (en)	1989-05-02	Rapid disolution of lignin and other non-carbohydrates from ligno-cellulosic materials impregnated with a reaction product of triethyleneglycol and an organic acid
Puri et al.	1986	Alkali‐explosion pretreatment of straw and bagasse for enzymic hydrolysis
CA1131415A (fr)	1982-09-14	Transformation en pate de la lignocellulose avec un melange aqueux d'un catalyseur et du methanol
FI108233B (fi)	2001-12-14	Menetelmä muurahaishapon talteenottamiseksi
US3442753A (en)	1969-05-06	Pulping or ligno-cellulosic material with a reaction product of triethyleneglycol and organic acid
CA1150012A (fr)	1983-07-19	Preparation de la pate de lignocellulose en milieu aqueux par catalyse aux solvants
EP0074983B1 (fr)	1986-11-05	Procede de saccharification a haut rendement par un solvant organique
EP0468016A1 (fr)	1992-01-29	Procede de preparation de pate a papier kraft.
CA1229334A (fr)	1987-11-17	Fractionnement de la biomasse
US2772968A (en)	1956-12-04	Process of pulping cellulosic materials with triethylene glycol
CA1188686A (fr)	1985-06-11	Methode de production de celluloses a faible teneur de lignine