CH498244A - Procédé de fabrication de pâte cellulosique - Google Patents
Procédé de fabrication de pâte cellulosiqueInfo
- Publication number
- CH498244A CH498244A CH1452269A CH1452269A CH498244A CH 498244 A CH498244 A CH 498244A CH 1452269 A CH1452269 A CH 1452269A CH 1452269 A CH1452269 A CH 1452269A CH 498244 A CH498244 A CH 498244A
- Authority
- CH
- Switzerland
- Prior art keywords
- manufacturing process
- cellulose pulp
- pulp manufacturing
- cellulose
- pulp
- Prior art date
Links
- 229920002678 cellulose Polymers 0.000 title 1
- 239000001913 cellulose Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 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
Priority Applications (21)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BE756225D BE756225A (fr) | 1969-09-26 | Procede de fabrication de pate cellulosique | |
| CH1452269A CH498244A (fr) | 1969-09-26 | 1969-09-26 | Procédé de fabrication de pâte cellulosique |
| CH1819769A CH512635A (fr) | 1969-09-26 | 1969-12-05 | Procédé de fabrication de pâte cellulosique |
| ES383485A ES383485A1 (es) | 1969-09-26 | 1970-09-09 | Procedimiento para la fabricacion de pasta celulosica. |
| OA54037A OA03488A (fr) | 1969-09-26 | 1970-09-16 | Procédé de fabrication de pâte cellulosique. |
| AT840870A AT300544B (de) | 1969-09-26 | 1970-09-17 | Verfahren zur Herstellung von Cellulosepulpe |
| LU61717D LU61717A1 (fr) | 1969-09-26 | 1970-09-18 | |
| CA093,735A CA977505A (en) | 1969-09-26 | 1970-09-22 | Process for producing cellulose pulp |
| ZA706470A ZA706470B (en) | 1969-09-26 | 1970-09-22 | Process for manufacturing cellulose pulp |
| IE1231/70A IE34548B1 (en) | 1969-09-26 | 1970-09-23 | Manufacture of cellulose pulp |
| DE19702046944 DE2046944A1 (de) | 1969-09-26 | 1970-09-23 | Verfahren zur Herstellung von Cellulosepulpe |
| NO360870A NO133766C (fr) | 1969-09-26 | 1970-09-23 | |
| FR707034610A FR2063171B1 (fr) | 1969-09-26 | 1970-09-24 | |
| SE7013068A SE387382B (sv) | 1969-09-26 | 1970-09-25 | Forfarande for framstellning av cellulosamassa genom uppslutning vid 100?72oc i en alkali- eller jordalkalimetallsaltlosning huvudsakligen i en alifatisk diol eller triol |
| GB4588170A GB1328674A (en) | 1969-09-26 | 1970-09-25 | Manufacture of cellulose pulp |
| JP45083760A JPS4935081B1 (fr) | 1969-09-26 | 1970-09-25 | |
| US341508A US3887426A (en) | 1969-09-26 | 1973-03-15 | Process for producing cellulose pulp by digestion with a diol or triol solvent and an aniline or phenol salt |
| SE7504423A SE7504423L (fr) | 1969-09-26 | 1975-04-16 | |
| DK436875A DK436875A (da) | 1969-09-26 | 1975-09-29 | Fremgangsmade til fremstilling af cellulosemasse |
| FI760323A FI760323A7 (fr) | 1969-09-26 | 1976-02-11 | |
| US05/772,954 US4135967A (en) | 1969-09-26 | 1977-02-28 | Process for producing cellulose pulp by solid phase digestion |
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CH1452269A CH498244A (fr) | 1969-09-26 | 1969-09-26 | Procédé de fabrication de pâte cellulosique |
| CH1819769A CH512635A (fr) | 1969-09-26 | 1969-12-05 | Procédé de fabrication de pâte cellulosique |
| US7467170A | 1970-09-23 | 1970-09-23 | |
| US341508A US3887426A (en) | 1969-09-26 | 1973-03-15 | Process for producing cellulose pulp by digestion with a diol or triol solvent and an aniline or phenol salt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH498244A true CH498244A (fr) | 1970-10-31 |
Family
ID=27429570
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1452269A CH498244A (fr) | 1969-09-26 | 1969-09-26 | Procédé de fabrication de pâte cellulosique |
| CH1819769A CH512635A (fr) | 1969-09-26 | 1969-12-05 | Procédé de fabrication de pâte cellulosique |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1819769A CH512635A (fr) | 1969-09-26 | 1969-12-05 | Procédé de fabrication de pâte cellulosique |
Country Status (9)
| Country | Link |
|---|---|
| US (1) | US3887426A (fr) |
| AT (1) | AT300544B (fr) |
| BE (1) | BE756225A (fr) |
| CA (1) | CA977505A (fr) |
| CH (2) | CH498244A (fr) |
| DE (1) | DE2046944A1 (fr) |
| FR (1) | FR2063171B1 (fr) |
| GB (1) | GB1328674A (fr) |
| LU (1) | LU61717A1 (fr) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4135967A (en) * | 1969-09-26 | 1979-01-23 | Societe Generale De Brevets Industriels Et Ohimiques | Process for producing cellulose pulp by solid phase digestion |
| US4017642A (en) * | 1975-07-28 | 1977-04-12 | George O. Orth | Process of making food for ruminant animals from wood and/or woody products |
| CA1079008A (fr) * | 1975-10-24 | 1980-06-10 | Cp Associates Limited | Procede de fabrication de pate a papier au solvant |
| US4594130A (en) * | 1978-11-27 | 1986-06-10 | Chang Pei Ching | Pulping of lignocellulose with aqueous alcohol and alkaline earth metal salt catalyst |
| US4329200A (en) * | 1980-06-02 | 1982-05-11 | Board Of Reagents, University Of Washington | Method and system for selective alkaline defiberization and delignification |
| DE69128059T2 (de) * | 1990-08-17 | 1998-02-26 | Alcell Tech Inc | Verfahren zum Lösungsmittel-Stetigaufschluss |
| JP7104507B2 (ja) * | 2017-11-08 | 2022-07-21 | アースリサイクル株式会社 | セルロースの分離方法 |
| US20210230375A1 (en) * | 2018-11-07 | 2021-07-29 | Earthrecycle Co., Ltd. | Method for separating cellulose |
| CN118745677A (zh) * | 2024-07-04 | 2024-10-08 | 蚌埠星河秸秆生物科技有限公司 | 一种碱-高沸点醇法高效去除玉米秸秆中木质素的方法 |
| CN118880644A (zh) * | 2024-08-15 | 2024-11-01 | 中国科学技术大学 | 一种生物质仿生溶剂脱除木质素的方法 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE370781A (fr) * | 1929-06-07 | |||
| GB416558A (en) * | 1933-03-07 | 1934-09-07 | Henry Dreyfus | Improvements in the manufacture of cellulose from ligno-cellulosic materials |
| US2772968A (en) * | 1951-06-06 | 1956-12-04 | Research Corp | Process of pulping cellulosic materials with triethylene glycol |
| US2886483A (en) * | 1953-05-27 | 1959-05-12 | Rosenblads Patenter Ab | Heating system for cellulose digestion plants |
| US3305432A (en) * | 1963-07-15 | 1967-02-21 | William R Matthews | Making of cellulose pulp |
| US3255071A (en) * | 1963-10-25 | 1966-06-07 | Theodor N Kleinert | Process for production of alkali cellulose in the absence of an aqueous liquid phase |
| US3428520A (en) * | 1965-08-12 | 1969-02-18 | Scott Paper Co | Pulping process with lignin recovery |
| US3408268A (en) * | 1966-10-27 | 1968-10-29 | Jefferson Chem Co Inc | Recovery of spent glycol by distillation in the presence of water |
-
0
- BE BE756225D patent/BE756225A/fr unknown
-
1969
- 1969-09-26 CH CH1452269A patent/CH498244A/fr not_active IP Right Cessation
- 1969-12-05 CH CH1819769A patent/CH512635A/fr unknown
-
1970
- 1970-09-17 AT AT840870A patent/AT300544B/de not_active IP Right Cessation
- 1970-09-18 LU LU61717D patent/LU61717A1/xx unknown
- 1970-09-22 CA CA093,735A patent/CA977505A/en not_active Expired
- 1970-09-23 DE DE19702046944 patent/DE2046944A1/de active Pending
- 1970-09-24 FR FR707034610A patent/FR2063171B1/fr not_active Expired
- 1970-09-25 GB GB4588170A patent/GB1328674A/en not_active Expired
-
1973
- 1973-03-15 US US341508A patent/US3887426A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CA977505A (en) | 1975-11-11 |
| FR2063171A1 (fr) | 1971-07-09 |
| DE2046944A1 (de) | 1971-04-15 |
| FR2063171B1 (fr) | 1973-01-12 |
| US3887426A (en) | 1975-06-03 |
| AT300544B (de) | 1972-07-25 |
| GB1328674A (en) | 1973-08-30 |
| BE756225A (fr) | 1971-03-01 |
| CH512635A (fr) | 1971-09-15 |
| LU61717A1 (fr) | 1971-01-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |