GB1425901A - Pulping process - Google Patents
Pulping processInfo
- Publication number
- GB1425901A GB1425901A GB2255173A GB2255173A GB1425901A GB 1425901 A GB1425901 A GB 1425901A GB 2255173 A GB2255173 A GB 2255173A GB 2255173 A GB2255173 A GB 2255173A GB 1425901 A GB1425901 A GB 1425901A
- Authority
- GB
- United Kingdom
- Prior art keywords
- alkali metal
- carbonate
- hydroxide
- sodium
- pulping process
- 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
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Rod-Shaped Construction Members (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US25333172A | 1972-05-15 | 1972-05-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1425901A true GB1425901A (en) | 1976-02-25 |
Family
ID=22959834
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB2255173A Expired GB1425901A (en) | 1972-05-15 | 1973-05-11 | Pulping process |
Country Status (10)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127053A (en) * | 1982-08-05 | 1984-04-04 | Honshu Paper Co Ltd | Paper for packaging metallic material |
| GB2152668A (en) * | 1984-01-13 | 1985-08-07 | Nukem Gmbh | Electrodynamic transducer head |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5249302A (en) * | 1975-10-16 | 1977-04-20 | Hitachi Shipbuilding Eng Co | Process for alkali pulping |
| JPS5653295A (en) * | 1979-10-04 | 1981-05-12 | Kogyo Gijutsuin | Pulping method of waste rubber material |
| RU2091529C1 (ru) * | 1995-11-21 | 1997-09-27 | Грудинин Владимир Павлович | Способ приготовления варочного раствора для получения волокнистого полуфабриката |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE252411C (enrdf_load_stackoverflow) * | ||||
| US1859846A (en) * | 1926-08-04 | 1932-05-24 | Arthur M Hyde | Wood pulp and process of making the same |
| FR716302A (fr) * | 1930-09-04 | 1931-12-18 | Papeteries Navarre | Procédé de purification de la cellulose de bois |
| JPS4887101A (enrdf_load_stackoverflow) * | 1972-02-22 | 1973-11-16 | ||
| GB1432245A (en) * | 1972-05-01 | 1976-04-14 | Westvaco Corp | Method of pulping wood |
-
1973
- 1973-04-11 FR FR7313157A patent/FR2184608B1/fr not_active Expired
- 1973-04-25 DE DE19732320812 patent/DE2320812C2/de not_active Expired
- 1973-05-07 ES ES414474A patent/ES414474A1/es not_active Expired
- 1973-05-11 GB GB2255173A patent/GB1425901A/en not_active Expired
- 1973-05-14 CA CA171,289A patent/CA990910A/en not_active Expired
- 1973-05-14 NO NO198873A patent/NO141951C/no unknown
- 1973-05-14 BR BR350073A patent/BR7303500D0/pt unknown
- 1973-05-14 FI FI153573A patent/FI55363C/fi active
- 1973-05-14 SE SE7306753A patent/SE404043B/xx unknown
- 1973-05-15 JP JP5320773A patent/JPS4947601A/ja active Pending
-
1980
- 1980-07-15 JP JP9577680A patent/JPS5643495A/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2127053A (en) * | 1982-08-05 | 1984-04-04 | Honshu Paper Co Ltd | Paper for packaging metallic material |
| GB2152668A (en) * | 1984-01-13 | 1985-08-07 | Nukem Gmbh | Electrodynamic transducer head |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2184608B1 (enrdf_load_stackoverflow) | 1975-04-04 |
| FI55363B (fi) | 1979-03-30 |
| AU5452873A (en) | 1974-10-17 |
| DE2320812C2 (de) | 1982-06-16 |
| BR7303500D0 (pt) | 1974-07-18 |
| DE2320812A1 (de) | 1973-11-29 |
| FI55363C (fi) | 1979-07-10 |
| JPS4947601A (enrdf_load_stackoverflow) | 1974-05-08 |
| NO141951B (no) | 1980-02-25 |
| JPS5643495A (en) | 1981-04-22 |
| FR2184608A1 (enrdf_load_stackoverflow) | 1973-12-28 |
| ES414474A1 (es) | 1976-06-01 |
| NO141951C (no) | 1980-06-04 |
| CA990910A (en) | 1976-06-15 |
| SE404043B (sv) | 1978-09-18 |
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| CA988661A (en) | Carbonation system for recovery of sodium base pulping liquor | |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| 732 | Registration of transactions, instruments or events in the register (sect. 32/1977) | ||
| PE20 | Patent expired after termination of 20 years |
Effective date: 19930510 |