FI51217B - - Google Patents
Info
- Publication number
- FI51217B FI51217B FI750831A FI750831A FI51217B FI 51217 B FI51217 B FI 51217B FI 750831 A FI750831 A FI 750831A FI 750831 A FI750831 A FI 750831A FI 51217 B FI51217 B FI 51217B
- Authority
- FI
- Finland
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
- D21C11/02—Regeneration of pulp liquors or effluent waste waters of acid, neutral or alkaline sulfite lye
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P40/00—Technologies relating to the processing of minerals
- Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI750831A FI51217C (en) | 1975-03-20 | 1975-03-20 | Methods of preparing additive chemicals for cellulose preparation method using Na-bisulfite solution as soluble base. |
AT108676A AT347235B (en) | 1975-03-20 | 1976-02-16 | PROCESS FOR THE PRODUCTION OF SODIUM BISULFITE SOLUTION FOR SULFITE CELLULOSE PRODUCTION |
CA246,074A CA1091869A (en) | 1975-03-20 | 1976-02-18 | Method for making chemicals to be added into a process of pulp making in which process soluble base is used |
SE7602200A SE7602200L (en) | 1975-03-20 | 1976-02-24 | METHODS OF PRODUCING ADDITIONAL CHEMICALS FOR SOLID BASE UTILIZING CELLULOSIS PRODUCTION METHOD |
NO760992A NO147191C (en) | 1975-03-20 | 1976-03-19 | PROCEDURE FOR THE PREPARATION OF ADDITIVE CHEMICALS FOR CELLULOSE PREPARATION PROCESSES WHICH A SODIUM BISULPHITE SOLUTION IS USED AS A SOLUBLE BASE |
JP51030746A JPS51119803A (en) | 1975-03-20 | 1976-03-19 | Process for making reagents used for pulp manufacture by soluble bases |
US05/814,021 US4110154A (en) | 1975-03-20 | 1977-07-08 | Method for making a soluble sulfite additive for use in a pulp making process |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI750831A FI51217C (en) | 1975-03-20 | 1975-03-20 | Methods of preparing additive chemicals for cellulose preparation method using Na-bisulfite solution as soluble base. |
Publications (2)
Publication Number | Publication Date |
---|---|
FI51217B true FI51217B (en) | 1976-08-02 |
FI51217C FI51217C (en) | 1976-11-10 |
Family
ID=8509072
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI750831A FI51217C (en) | 1975-03-20 | 1975-03-20 | Methods of preparing additive chemicals for cellulose preparation method using Na-bisulfite solution as soluble base. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS51119803A (en) |
AT (1) | AT347235B (en) |
CA (1) | CA1091869A (en) |
FI (1) | FI51217C (en) |
NO (1) | NO147191C (en) |
SE (1) | SE7602200L (en) |
-
1975
- 1975-03-20 FI FI750831A patent/FI51217C/en not_active IP Right Cessation
-
1976
- 1976-02-16 AT AT108676A patent/AT347235B/en not_active IP Right Cessation
- 1976-02-18 CA CA246,074A patent/CA1091869A/en not_active Expired
- 1976-02-24 SE SE7602200A patent/SE7602200L/en not_active Application Discontinuation
- 1976-03-19 JP JP51030746A patent/JPS51119803A/en active Pending
- 1976-03-19 NO NO760992A patent/NO147191C/en unknown
Also Published As
Publication number | Publication date |
---|---|
JPS51119803A (en) | 1976-10-20 |
NO147191C (en) | 1983-02-16 |
AT347235B (en) | 1978-12-11 |
FI51217C (en) | 1976-11-10 |
NO147191B (en) | 1982-11-08 |
ATA108676A (en) | 1978-04-15 |
NO760992L (en) | 1976-09-21 |
SE7602200L (en) | 1976-09-21 |
CA1091869A (en) | 1980-12-23 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: RAUMA-REPOLA OY |