IT999682B - PROCEDURE TO REDUCE WOOD IN PASTE USING OXYGEN - Google Patents
PROCEDURE TO REDUCE WOOD IN PASTE USING OXYGENInfo
- Publication number
- IT999682B IT999682B IT70159/73A IT7015973A IT999682B IT 999682 B IT999682 B IT 999682B IT 70159/73 A IT70159/73 A IT 70159/73A IT 7015973 A IT7015973 A IT 7015973A IT 999682 B IT999682 B IT 999682B
- Authority
- IT
- Italy
- Prior art keywords
- paste
- oxygen
- procedure
- reduce wood
- wood
- Prior art date
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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
-
- 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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE7213937A SE377142B (en) | 1972-10-27 | 1972-10-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT999682B true IT999682B (en) | 1976-03-10 |
Family
ID=20298266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT70159/73A IT999682B (en) | 1972-10-27 | 1973-10-25 | PROCEDURE TO REDUCE WOOD IN PASTE USING OXYGEN |
Country Status (12)
| Country | Link |
|---|---|
| JP (1) | JPS5120603B2 (en) |
| AT (1) | AT330569B (en) |
| BR (1) | BR7308391D0 (en) |
| CA (1) | CA982378A (en) |
| CH (1) | CH587961A5 (en) |
| DE (1) | DE2352857B2 (en) |
| FI (1) | FI55062C (en) |
| FR (1) | FR2204736B1 (en) |
| GB (1) | GB1452615A (en) |
| IT (1) | IT999682B (en) |
| SE (1) | SE377142B (en) |
| ZA (1) | ZA737950B (en) |
-
1972
- 1972-10-27 SE SE7213937A patent/SE377142B/xx unknown
-
1973
- 1973-10-12 ZA ZA737950*A patent/ZA737950B/en unknown
- 1973-10-19 JP JP48117682A patent/JPS5120603B2/ja not_active Expired
- 1973-10-19 FI FI3259/73A patent/FI55062C/en active
- 1973-10-22 DE DE19732352857 patent/DE2352857B2/en active Granted
- 1973-10-24 CH CH1499273A patent/CH587961A5/xx not_active IP Right Cessation
- 1973-10-25 AT AT908473A patent/AT330569B/en not_active IP Right Cessation
- 1973-10-25 IT IT70159/73A patent/IT999682B/en active
- 1973-10-26 FR FR7338280A patent/FR2204736B1/fr not_active Expired
- 1973-10-26 GB GB5002573A patent/GB1452615A/en not_active Expired
- 1973-10-26 BR BR8391/73A patent/BR7308391D0/en unknown
- 1973-10-29 CA CA184,567A patent/CA982378A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| ZA737950B (en) | 1974-08-28 |
| JPS4975803A (en) | 1974-07-22 |
| FI55062C (en) | 1979-05-10 |
| FI55062B (en) | 1979-01-31 |
| FR2204736B1 (en) | 1976-05-07 |
| CH587961A5 (en) | 1977-05-31 |
| BR7308391D0 (en) | 1974-09-05 |
| CA982378A (en) | 1976-01-27 |
| AT330569B (en) | 1976-07-12 |
| ATA908473A (en) | 1975-09-15 |
| GB1452615A (en) | 1976-10-13 |
| JPS5120603B2 (en) | 1976-06-26 |
| FR2204736A1 (en) | 1974-05-24 |
| DE2352857A1 (en) | 1974-05-16 |
| DE2352857B2 (en) | 1976-04-29 |
| SE377142B (en) | 1975-06-23 |
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