CA1042160A - Alkali/oxygen gas digestion of wood - Google Patents
Alkali/oxygen gas digestion of woodInfo
- Publication number
- CA1042160A CA1042160A CA208,553A CA208553A CA1042160A CA 1042160 A CA1042160 A CA 1042160A CA 208553 A CA208553 A CA 208553A CA 1042160 A CA1042160 A CA 1042160A
- Authority
- CA
- Canada
- Prior art keywords
- digestion
- wood
- process according
- fibers
- oxygen
- 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
- 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
- D21C3/22—Other features of pulping processes
-
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Joining Of Building Structures In Genera (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7312302A SE392926B (sv) | 1973-09-10 | 1973-09-10 | Forfarande for alkalisk uppslutning av ved |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1042160A true CA1042160A (en) | 1978-11-14 |
Family
ID=20318482
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA208,553A Expired CA1042160A (en) | 1973-09-10 | 1974-09-05 | Alkali/oxygen gas digestion of wood |
Country Status (12)
Country | Link |
---|---|
JP (1) | JPS5149001B2 (sv) |
AT (1) | AT339723B (sv) |
BR (1) | BR7407491D0 (sv) |
CA (1) | CA1042160A (sv) |
CH (1) | CH589172A5 (sv) |
FI (1) | FI56036C (sv) |
FR (1) | FR2243296B1 (sv) |
GB (1) | GB1455399A (sv) |
IT (1) | IT1020750B (sv) |
NO (1) | NO140991C (sv) |
SE (1) | SE392926B (sv) |
ZA (1) | ZA745653B (sv) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52121502A (en) * | 1976-04-07 | 1977-10-13 | V Nauchinoopuroizubuodosutobue | Process for producing halfffinished products from ground vegetable material |
JPS55153664U (sv) * | 1979-04-20 | 1980-11-06 |
-
1973
- 1973-09-10 SE SE7312302A patent/SE392926B/sv unknown
-
1974
- 1974-08-28 CH CH1175374A patent/CH589172A5/xx not_active IP Right Cessation
- 1974-09-05 CA CA208,553A patent/CA1042160A/en not_active Expired
- 1974-09-05 ZA ZA00745653A patent/ZA745653B/xx unknown
- 1974-09-06 NO NO743209A patent/NO140991C/no unknown
- 1974-09-07 JP JP49103406A patent/JPS5149001B2/ja not_active Expired
- 1974-09-09 IT IT69724/74A patent/IT1020750B/it active
- 1974-09-09 AT AT723874A patent/AT339723B/de not_active IP Right Cessation
- 1974-09-09 BR BR7491/74A patent/BR7407491D0/pt unknown
- 1974-09-09 FI FI2639/74A patent/FI56036C/fi active
- 1974-09-10 FR FR7430626A patent/FR2243296B1/fr not_active Expired
- 1974-09-10 GB GB3945974A patent/GB1455399A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS5053602A (sv) | 1975-05-12 |
SE392926B (sv) | 1977-04-25 |
NO140991C (no) | 1979-12-19 |
NO743209L (sv) | 1975-04-07 |
ZA745653B (en) | 1975-11-26 |
FI56036C (fi) | 1979-11-12 |
FI56036B (fi) | 1979-07-31 |
JPS5149001B2 (sv) | 1976-12-24 |
SE7312302L (sv) | 1975-03-11 |
FI263974A (sv) | 1975-03-11 |
DE2441440A1 (de) | 1975-03-27 |
DE2441440B2 (de) | 1976-08-19 |
GB1455399A (en) | 1976-11-10 |
CH589172A5 (sv) | 1977-06-30 |
IT1020750B (it) | 1977-12-30 |
AT339723B (de) | 1977-11-10 |
ATA723874A (de) | 1977-02-15 |
BR7407491D0 (pt) | 1975-09-09 |
FR2243296B1 (sv) | 1976-12-31 |
NO140991B (no) | 1979-09-10 |
FR2243296A1 (sv) | 1975-04-04 |
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