CA1131415A - Pulping of lignocellulose with aqueous methanol/ catalyst mixture - Google Patents
Pulping of lignocellulose with aqueous methanol/ catalyst mixtureInfo
- Publication number
- CA1131415A CA1131415A CA316,951A CA316951A CA1131415A CA 1131415 A CA1131415 A CA 1131415A CA 316951 A CA316951 A CA 316951A CA 1131415 A CA1131415 A CA 1131415A
- Authority
- CA
- Canada
- Prior art keywords
- lignin
- molar
- liquor
- cooking
- methanol
- 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
Links
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 title claims abstract description 125
- 239000003054 catalyst Substances 0.000 title claims abstract description 19
- 239000000203 mixture Substances 0.000 title claims description 17
- 238000004537 pulping Methods 0.000 title description 6
- 238000010411 cooking Methods 0.000 claims abstract description 54
- 229920005610 lignin Polymers 0.000 claims abstract description 54
- 150000003839 salts Chemical class 0.000 claims abstract description 48
- 229910052751 metal Inorganic materials 0.000 claims abstract description 34
- 239000002184 metal Substances 0.000 claims abstract description 34
- 239000000835 fiber Substances 0.000 claims abstract description 30
- 229910001868 water Inorganic materials 0.000 claims abstract description 28
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 27
- 229920002678 cellulose Polymers 0.000 claims abstract description 26
- 239000001913 cellulose Substances 0.000 claims abstract description 26
- 229920002488 Hemicellulose Polymers 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 16
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 13
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims abstract description 12
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000011575 calcium Substances 0.000 claims abstract description 12
- 239000011777 magnesium Substances 0.000 claims abstract description 12
- 229910052791 calcium Inorganic materials 0.000 claims abstract description 11
- 229910052749 magnesium Inorganic materials 0.000 claims abstract description 11
- 150000001805 chlorine compounds Chemical group 0.000 claims abstract description 10
- 239000011121 hardwood Substances 0.000 claims abstract description 8
- 239000011122 softwood Substances 0.000 claims abstract description 8
- 229910052788 barium Inorganic materials 0.000 claims abstract description 7
- DSAJWYNOEDNPEQ-UHFFFAOYSA-N barium atom Chemical compound [Ba] DSAJWYNOEDNPEQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 241000196324 Embryophyta Species 0.000 claims abstract description 4
- 239000000843 powder Substances 0.000 claims abstract 4
- 238000000034 method Methods 0.000 claims description 51
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical group [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 19
- 239000001110 calcium chloride Substances 0.000 claims description 19
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 19
- 230000000694 effects Effects 0.000 claims description 12
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 9
- 239000003125 aqueous solvent Substances 0.000 claims description 8
- 210000002421 cell wall Anatomy 0.000 claims description 8
- 150000002823 nitrates Chemical class 0.000 claims description 8
- 239000002244 precipitate Substances 0.000 claims description 8
- 235000000346 sugar Nutrition 0.000 claims description 7
- 150000008163 sugars Chemical class 0.000 claims description 7
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 6
- 238000004090 dissolution Methods 0.000 claims description 6
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L Magnesium chloride Chemical group [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000036961 partial effect Effects 0.000 claims description 5
- 238000000855 fermentation Methods 0.000 claims description 4
- 230000004151 fermentation Effects 0.000 claims description 4
- 229920003043 Cellulose fiber Polymers 0.000 claims description 3
- 238000009833 condensation Methods 0.000 claims description 3
- 230000005494 condensation Effects 0.000 claims description 3
- 239000012978 lignocellulosic material Substances 0.000 claims description 3
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 3
- 241000218631 Coniferophyta Species 0.000 claims description 2
- WDIHJSXYQDMJHN-UHFFFAOYSA-L barium chloride Chemical group [Cl-].[Cl-].[Ba+2] WDIHJSXYQDMJHN-UHFFFAOYSA-L 0.000 claims description 2
- 229910001626 barium chloride Inorganic materials 0.000 claims description 2
- IWOUKMZUPDVPGQ-UHFFFAOYSA-N barium nitrate Chemical group [Ba+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O IWOUKMZUPDVPGQ-UHFFFAOYSA-N 0.000 claims 2
- ZCCIPPOKBCJFDN-UHFFFAOYSA-N calcium nitrate Chemical group [Ca+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O ZCCIPPOKBCJFDN-UHFFFAOYSA-N 0.000 claims 2
- 239000004615 ingredient Substances 0.000 claims 2
- YIXJRHPUWRPCBB-UHFFFAOYSA-N magnesium nitrate Chemical group [Mg+2].[O-][N+]([O-])=O.[O-][N+]([O-])=O YIXJRHPUWRPCBB-UHFFFAOYSA-N 0.000 claims 2
- 241000218922 Magnoliophyta Species 0.000 claims 1
- 238000004821 distillation Methods 0.000 claims 1
- 230000001737 promoting effect Effects 0.000 claims 1
- 102000004169 proteins and genes Human genes 0.000 claims 1
- 108090000623 proteins and genes Proteins 0.000 claims 1
- 239000002023 wood Substances 0.000 abstract description 42
- 241000218657 Picea Species 0.000 abstract description 20
- 239000011877 solvent mixture Substances 0.000 abstract description 16
- 241000183024 Populus tremula Species 0.000 abstract description 14
- 239000002253 acid Substances 0.000 abstract description 6
- 229910002651 NO3 Inorganic materials 0.000 abstract description 4
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 abstract description 4
- 150000002482 oligosaccharides Chemical class 0.000 abstract description 4
- 239000002904 solvent Substances 0.000 abstract description 4
- 229920001542 oligosaccharide Polymers 0.000 abstract description 3
- 239000012634 fragment Substances 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 abstract 1
- 239000000178 monomer Substances 0.000 abstract 1
- 238000001556 precipitation Methods 0.000 abstract 1
- 230000008569 process Effects 0.000 description 19
- 238000006460 hydrolysis reaction Methods 0.000 description 10
- 238000000926 separation method Methods 0.000 description 10
- 230000007062 hydrolysis Effects 0.000 description 9
- 230000015556 catabolic process Effects 0.000 description 8
- 238000006731 degradation reaction Methods 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- 238000004458 analytical method Methods 0.000 description 7
- 150000001720 carbohydrates Chemical class 0.000 description 5
- 235000014633 carbohydrates Nutrition 0.000 description 5
- 150000001768 cations Chemical class 0.000 description 5
- 239000000470 constituent Substances 0.000 description 5
- 230000029087 digestion Effects 0.000 description 5
- 238000011084 recovery Methods 0.000 description 5
- 241000894007 species Species 0.000 description 5
- 230000003301 hydrolyzing effect Effects 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- 238000006136 alcoholysis reaction Methods 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 150000007524 organic acids Chemical class 0.000 description 3
- 239000000123 paper Substances 0.000 description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- 239000003377 acid catalyst Substances 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000005341 cation exchange Methods 0.000 description 2
- 230000000536 complexating effect Effects 0.000 description 2
- -1 hydrogen ions Chemical class 0.000 description 2
- 239000002655 kraft paper Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 229920002521 macromolecule Polymers 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000007935 neutral effect Effects 0.000 description 2
- 235000005985 organic acids Nutrition 0.000 description 2
- 239000003791 organic solvent mixture Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 230000000717 retained effect Effects 0.000 description 2
- 239000012266 salt solution Substances 0.000 description 2
- 238000003797 solvolysis reaction Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000331231 Amorphocerini gen. n. 1 DAD-2008 Species 0.000 description 1
- 229920001503 Glucan Polymers 0.000 description 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 1
- 229920000057 Mannan Polymers 0.000 description 1
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 150000004696 coordination complex Chemical class 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 238000010494 dissociation reaction Methods 0.000 description 1
- 230000005593 dissociations Effects 0.000 description 1
- 239000012153 distilled water Substances 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 125000001033 ether group Chemical group 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000008103 glucose Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 125000000896 monocarboxylic acid group Chemical group 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 238000001139 pH measurement Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 230000037361 pathway Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 230000002829 reductive effect Effects 0.000 description 1
- 238000001226 reprecipitation Methods 0.000 description 1
- 230000000452 restraining effect Effects 0.000 description 1
- NXLOLUFNDSBYTP-UHFFFAOYSA-N retene Chemical compound C1=CC=C2C3=CC=C(C(C)C)C=C3C=CC2=C1C NXLOLUFNDSBYTP-UHFFFAOYSA-N 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 230000008961 swelling Effects 0.000 description 1
- 239000006188 syrup Substances 0.000 description 1
- 235000020357 syrup Nutrition 0.000 description 1
- 230000008719 thickening Effects 0.000 description 1
- 239000011800 void material Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 229920001221 xylan Polymers 0.000 description 1
- 150000004823 xylans Chemical class 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/20—Pulping cellulose-containing materials with organic solvents or in solvent environment
Landscapes
- Paper (AREA)
Priority Applications (25)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA316,951A CA1131415A (en) | 1978-11-27 | 1978-11-27 | Pulping of lignocellulose with aqueous methanol/ catalyst mixture |
| DE2920731A DE2920731C2 (de) | 1978-11-27 | 1979-05-22 | Lignocelluloseaufschlußverfahren mit einem Gemisch von Wasser und niedrig molekularem aliphatischem Alkohol und Metallsalz |
| IT27107/79A IT1165362B (it) | 1978-11-27 | 1979-11-07 | Fabbricazione di pasta di lignocellulosa con una miscela acquosa metanolo/catalizzatore |
| AT0726179A AT372991B (de) | 1978-11-27 | 1979-11-14 | Lignocelluloseaufschlussverfahren |
| ZA00796158A ZA796158B (en) | 1978-11-27 | 1979-11-15 | Pulping of lignocellulose with aqueous methanol/catalyst mixture |
| NO793738A NO154274C (no) | 1978-11-27 | 1979-11-19 | Fremgangsmaate for oppslutning av lignocellulose. |
| YU2822/79A YU41897B (en) | 1978-11-27 | 1979-11-19 | Method of chemically converting lignocellulose into a from of separating fibres |
| PT70475A PT70475A (en) | 1978-11-27 | 1979-11-20 | Process for treating lignacellulose with aquous mixtures methanol/catalyst |
| DD79217045A DD147259A5 (de) | 1978-11-27 | 1979-11-21 | Verfahren zur chemischen umwandlung von lignocellulose |
| AU53056/79A AU528703B2 (en) | 1978-11-27 | 1979-11-21 | Pulping of lignocellulose with aqueous methanol/catalyst mixture |
| SE7909674A SE436899B (sv) | 1978-11-27 | 1979-11-22 | Sett att uppsluta lignocellulosahaltigt vextmaterial |
| FI793678A FI69129C (fi) | 1978-11-27 | 1979-11-23 | Foerfarande foer uppslutning av lignocellulosahaltigt material |
| ES486267A ES486267A1 (es) | 1978-11-27 | 1979-11-23 | Un metodo mejorado de transformar quimicamente lignocelulosaen una forma de fibras separadas |
| PL1979219837A PL131834B1 (en) | 1978-11-27 | 1979-11-23 | Method of pulping of lignocellulose material |
| RO7999349A RO77556A (ro) | 1978-11-27 | 1979-11-24 | Procedeu de dezincrustare a celulozei din lemn sa/sau plante anuale |
| MX180177A MX150179A (es) | 1978-11-27 | 1979-11-26 | Procedimiento mejorado para la preparacion de pastas celulosicas a partir de materiales de lignocelulosa |
| FR7929082A FR2442297A1 (fr) | 1978-11-27 | 1979-11-26 | Procede de traitement chimique de lignocellulose pour la transformer en fibres separees |
| PH23330A PH16526A (en) | 1978-11-27 | 1979-11-26 | Pulping of lignocellulose with aqueous methanol/catalyst |
| JP15285279A JPS55112387A (en) | 1978-11-27 | 1979-11-26 | Chemical convertion of lignocellulose |
| BR7907651A BR7907651A (pt) | 1978-11-27 | 1979-11-26 | Processo para transformer quimicamente lenhino-celulose em fibras separadas |
| NZ192227A NZ192227A (en) | 1978-11-27 | 1979-11-26 | Converting lignocellulose to separate fibres using aqueous alcohol/catalyst mixture |
| IN1245/CAL/79A IN153197B (enrdf_load_stackoverflow) | 1978-11-27 | 1979-11-27 | |
| AR279044A AR223198A1 (es) | 1978-11-27 | 1979-11-27 | Un metodo para digerir lignocelulosa y separarla en sus fibras |
| GB7940923A GB2040332B (en) | 1978-11-27 | 1979-11-27 | Pulping of lignocellulose with aqueous alcohol/catalyst mixture |
| US06/511,717 US4594130A (en) | 1978-11-27 | 1983-07-07 | Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CA316,951A CA1131415A (en) | 1978-11-27 | 1978-11-27 | Pulping of lignocellulose with aqueous methanol/ catalyst mixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1131415A true CA1131415A (en) | 1982-09-14 |
Family
ID=4113030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA316,951A Expired CA1131415A (en) | 1978-11-27 | 1978-11-27 | Pulping of lignocellulose with aqueous methanol/ catalyst mixture |
Country Status (8)
| Country | Link |
|---|---|
| JP (1) | JPS55112387A (enrdf_load_stackoverflow) |
| CA (1) | CA1131415A (enrdf_load_stackoverflow) |
| DE (1) | DE2920731C2 (enrdf_load_stackoverflow) |
| IN (1) | IN153197B (enrdf_load_stackoverflow) |
| IT (1) | IT1165362B (enrdf_load_stackoverflow) |
| MX (1) | MX150179A (enrdf_load_stackoverflow) |
| NZ (1) | NZ192227A (enrdf_load_stackoverflow) |
| ZA (1) | ZA796158B (enrdf_load_stackoverflow) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104046655A (zh) * | 2014-07-01 | 2014-09-17 | 河南天冠生物燃料工程技术有限公司 | 一种提高木质纤维原料酶促糖化效率的热洗脱毒工艺 |
| EP2891748A1 (en) * | 2014-01-07 | 2015-07-08 | Studiengesellschaft Kohle mbH | Process for production of non-pyrolytic bio-oil from lignocellulosic materials |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1150012A (en) * | 1980-07-25 | 1983-07-19 | Pei-Ching Chang | Aqueous catalysed solvent pulping of lignocellulose |
| DE2855052A1 (de) * | 1978-12-20 | 1980-06-26 | Nicolaus Md Papier | Verfahren und vorrichtung zum kontinuierlichen aufschliessen von pflanzenfasermaterial |
| JPS6279230A (ja) * | 1985-10-01 | 1987-04-11 | Oji Paper Co Ltd | リグノセルロ−ス溶液の製造法 |
| DE19637909A1 (de) * | 1996-09-18 | 1998-03-19 | Infan Ingenieurgesellschaft Fu | Verfahren zur Verwertung von Altholz |
| EP2213678B1 (en) * | 2007-10-17 | 2013-08-21 | Nippon Steel & Sumikin Chemical Co., Ltd. | Production methods for solubilized lignin, saccharide raw material and monosaccharide raw material, and solubilized lignin |
| US20100024810A1 (en) * | 2008-07-31 | 2010-02-04 | E. I. Du Pont De Nemours And Company | Decrystallization of cellulosic biomass with an acid mixture comprising phosphoric and sulfuric acids |
| JP5410060B2 (ja) * | 2008-10-02 | 2014-02-05 | 株式会社Ｋｒｉ | イオン液体によるリグノセルロース系バイオマスのセルロースとリグニンの分離化方法 |
| JP5605797B2 (ja) * | 2010-11-12 | 2014-10-15 | 出光興産株式会社 | リグニンの可溶化方法 |
| JP6274478B2 (ja) * | 2012-07-11 | 2018-02-07 | 出光興産株式会社 | リグニン分解物の製造方法 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR704698A (fr) * | 1929-11-02 | 1931-05-23 | Procédé de désagrégation de substances fibreuses végétales en vue de l'obtention simultanée de la cellulose et des matières incrustantes | |
| DE532741C (de) * | 1929-11-02 | 1931-09-08 | Kurt Von Tayenthal Dr Ing | Verfahren zum Aufschluss von Pflanzenfaserstoffen |
| AT152305B (de) * | 1935-10-31 | 1938-01-25 | Juljusz Saft | Verfahren zur Herstellung von α-Zellulose. |
| US3585104A (en) * | 1968-07-29 | 1971-06-15 | Theodor N Kleinert | Organosolv pulping and recovery process |
| DE2644155C2 (de) * | 1976-09-30 | 1978-07-27 | Theodor N. Dr. Pointe Claire Quebec Kleinert (Kanada) | Kontinuierliches Aufschluß- und Ruckgewinnungsverfahren für pflanzliche Faserrohstoffe zur Herstellung von Zellstoff im organischen Lösungsmittel |
-
1978
- 1978-11-27 CA CA316,951A patent/CA1131415A/en not_active Expired
-
1979
- 1979-05-22 DE DE2920731A patent/DE2920731C2/de not_active Expired
- 1979-11-07 IT IT27107/79A patent/IT1165362B/it active
- 1979-11-15 ZA ZA00796158A patent/ZA796158B/xx unknown
- 1979-11-26 JP JP15285279A patent/JPS55112387A/ja active Granted
- 1979-11-26 NZ NZ192227A patent/NZ192227A/xx unknown
- 1979-11-26 MX MX180177A patent/MX150179A/es unknown
- 1979-11-27 IN IN1245/CAL/79A patent/IN153197B/en unknown
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2891748A1 (en) * | 2014-01-07 | 2015-07-08 | Studiengesellschaft Kohle mbH | Process for production of non-pyrolytic bio-oil from lignocellulosic materials |
| WO2015104262A1 (en) * | 2014-01-07 | 2015-07-16 | Studiengesellschaft Kohle Mbh | Process for preparing non-pyrolytic bio-oil from lignocellulosic materials |
| EA029993B1 (ru) * | 2014-01-07 | 2018-06-29 | Штудиенгезельшафт Коле Мбх | Способ получения непиролитического биогенного масла из лигноцеллюлозных материалов |
| CN104046655A (zh) * | 2014-07-01 | 2014-09-17 | 河南天冠生物燃料工程技术有限公司 | 一种提高木质纤维原料酶促糖化效率的热洗脱毒工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| DE2920731A1 (de) | 1980-05-29 |
| JPS6328157B2 (enrdf_load_stackoverflow) | 1988-06-07 |
| ZA796158B (en) | 1980-10-29 |
| IT1165362B (it) | 1987-04-22 |
| JPS55112387A (en) | 1980-08-29 |
| DE2920731C2 (de) | 1983-11-03 |
| IN153197B (enrdf_load_stackoverflow) | 1984-06-16 |
| MX150179A (es) | 1984-03-29 |
| IT7927107A0 (it) | 1979-11-07 |
| NZ192227A (en) | 1982-12-21 |
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