FI54347C - Foerfarande foer framstaellning av kemisk massa - Google Patents
Foerfarande foer framstaellning av kemisk massaInfo
- Publication number
- FI54347C FI54347C FI113/68A FI11368A FI54347C FI 54347 C FI54347 C FI 54347C FI 113/68 A FI113/68 A FI 113/68A FI 11368 A FI11368 A FI 11368A FI 54347 C FI54347 C FI 54347C
- Authority
- FI
- Finland
- Prior art keywords
- kemisk
- massa
- foerfarande foer
- foer framstaellning
- framstaellning
- 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
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/1026—Other features in bleaching 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0021—Introduction of various effluents, e.g. waste waters, into the pulping, recovery and regeneration cycle (closed-cycle)
- D21C11/0028—Effluents derived from the washing or bleaching plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2240/67A GB1217833A (en) | 1967-01-16 | 1967-01-16 | Improved cellulosic pulp process |
Publications (2)
Publication Number | Publication Date |
---|---|
FI54347B FI54347B (fi) | 1978-07-31 |
FI54347C true FI54347C (fi) | 1978-11-10 |
Family
ID=9736070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI113/68A FI54347C (fi) | 1967-01-16 | 1968-01-16 | Foerfarande foer framstaellning av kemisk massa |
Country Status (4)
Country | Link |
---|---|
JP (1) | JPS523002B1 (fi) |
FI (1) | FI54347C (fi) |
NO (1) | NO127630B (fi) |
SE (1) | SE353928B (fi) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9001547L (sv) * | 1990-04-30 | 1991-10-31 | Sunds Defibrator Ind Ab | Blekningav kemisk massa |
SE0300276L (sv) * | 2003-01-31 | 2003-12-09 | Kvaerner Pulping Tech | Förfarande för blekning av cellulosamassa samt bleklinje härför |
-
1968
- 1968-01-15 NO NO00172/68A patent/NO127630B/no unknown
- 1968-01-15 SE SE00493/68A patent/SE353928B/xx unknown
- 1968-01-16 FI FI113/68A patent/FI54347C/fi active
- 1968-01-16 JP JP43001982A patent/JPS523002B1/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
NO127630B (fi) | 1973-07-23 |
SE353928B (fi) | 1973-02-19 |
JPS523002B1 (fi) | 1977-01-25 |
FI54347B (fi) | 1978-07-31 |
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