CA1051618A - Methode de production de pates chimico-mecaniques a grand rendement - Google Patents
Methode de production de pates chimico-mecaniques a grand rendementInfo
- Publication number
- CA1051618A CA1051618A CA252,642A CA252642A CA1051618A CA 1051618 A CA1051618 A CA 1051618A CA 252642 A CA252642 A CA 252642A CA 1051618 A CA1051618 A CA 1051618A
- Authority
- CA
- Canada
- Prior art keywords
- pulp
- lignocellulosic material
- aqueous solution
- woody lignocellulosic
- sulfite
- 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
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/02—Pretreatment of the raw materials by chemical or physical means
-
- 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
- D21C3/04—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides
- D21C3/06—Pulping cellulose-containing materials with acids, acid salts or acid anhydrides sulfur dioxide; sulfurous acid; bisulfites sulfites
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA252,642A CA1051618A (fr) | 1976-05-14 | 1976-05-14 | Methode de production de pates chimico-mecaniques a grand rendement |
NZ18405177A NZ184051A (en) | 1976-05-14 | 1977-05-09 | Production of high yield chemi-mechanical pulp |
US05/838,837 US4116758A (en) | 1976-05-14 | 1977-10-03 | Method of producing high yield chemimechanical pulps |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA252,642A CA1051618A (fr) | 1976-05-14 | 1976-05-14 | Methode de production de pates chimico-mecaniques a grand rendement |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1051618A true CA1051618A (fr) | 1979-04-03 |
Family
ID=4105968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA252,642A Expired CA1051618A (fr) | 1976-05-14 | 1976-05-14 | Methode de production de pates chimico-mecaniques a grand rendement |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1051618A (fr) |
NZ (1) | NZ184051A (fr) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017215877A1 (fr) * | 2016-06-17 | 2017-12-21 | Andritz Ag | Procédé de production d'une matière fibreuse |
-
1976
- 1976-05-14 CA CA252,642A patent/CA1051618A/fr not_active Expired
-
1977
- 1977-05-09 NZ NZ18405177A patent/NZ184051A/xx unknown
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2017215877A1 (fr) * | 2016-06-17 | 2017-12-21 | Andritz Ag | Procédé de production d'une matière fibreuse |
RU2704362C1 (ru) * | 2016-06-17 | 2019-10-28 | Андриц Аг | Способ изготовления волокнистого материала |
US11535983B2 (en) | 2016-06-17 | 2022-12-27 | Andritz Ag | Method for producing a fibrous material |
Also Published As
Publication number | Publication date |
---|---|
NZ184051A (en) | 1979-11-01 |
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