OA08949A - Pulp manufacturing process - Google Patents
Pulp manufacturing processInfo
- Publication number
- OA08949A OA08949A OA59425A OA59425A OA08949A OA 08949 A OA08949 A OA 08949A OA 59425 A OA59425 A OA 59425A OA 59425 A OA59425 A OA 59425A OA 08949 A OA08949 A OA 08949A
- Authority
- OA
- OAPI
- Prior art keywords
- manufacturing process
- pulp
- pulp manufacturing
- neutralisation
- purification
- 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
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Materials For Medical Uses (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Ultra Sonic Daignosis Equipment (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Process for producing a paper pulp comprising a stage of H or P treatment just before the purification of the pulp or its transfer to the papermaking machine, where the neutralisation of the bleached pulp is performed with the aid of carbonic acid instead of sulphur dioxide.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8712451A FR2620144B1 (en) | 1987-09-08 | 1987-09-08 | PROCESS FOR THE MANUFACTURE OF BLEACHED PAPER PULP INCLUDING TREATMENT WITH CARBONIC ACID AFTER BLEACHING |
Publications (1)
Publication Number | Publication Date |
---|---|
OA08949A true OA08949A (en) | 1990-11-30 |
Family
ID=9354710
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
OA59425A OA08949A (en) | 1987-09-08 | 1988-09-08 | Pulp manufacturing process |
Country Status (18)
Country | Link |
---|---|
EP (1) | EP0307295B1 (en) |
JP (1) | JPH01207492A (en) |
KR (1) | KR890005346A (en) |
CN (1) | CN1013131B (en) |
AT (1) | ATE62287T1 (en) |
AU (1) | AU608054B2 (en) |
BR (1) | BR8804619A (en) |
DE (1) | DE3862265D1 (en) |
ES (1) | ES2021857B3 (en) |
FI (1) | FI884123A (en) |
FR (1) | FR2620144B1 (en) |
GR (1) | GR3001730T3 (en) |
MA (1) | MA21393A1 (en) |
NO (1) | NO883968L (en) |
NZ (1) | NZ226060A (en) |
OA (1) | OA08949A (en) |
PT (1) | PT88435B (en) |
ZA (1) | ZA886622B (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9206415D0 (en) * | 1992-03-24 | 1992-05-06 | Albright & Wilson | Stabilisation of bleach liquors |
US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
US5639347A (en) * | 1993-03-24 | 1997-06-17 | Ahlstrom Machinery Inc. | Method of controlling of metals in a bleach plant, using oxidation |
FI110533B (en) * | 2000-05-04 | 2003-02-14 | Aga Ab | Method for controlling microbial growth |
WO2011113119A1 (en) * | 2010-03-19 | 2011-09-22 | Fibria Celulose S/A | Process for the treatment of cellulose pulps, cellulose pulp thus obtained and use of biopolymer for treating cellulose pulps |
CN104032611B (en) * | 2014-06-23 | 2016-04-20 | 广西大学 | A kind of dioxde pulp bleaching process |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1993265A (en) * | 1933-02-28 | 1935-03-05 | Merrimac Chemical Co Inc | Manufacture of paper embodying alkaline earth metal carbonate fillers |
FI52876C (en) * | 1974-09-03 | 1978-10-17 | Ahlstroem Oy | OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK |
-
1987
- 1987-09-08 FR FR8712451A patent/FR2620144B1/en not_active Expired
-
1988
- 1988-09-05 ES ES88402223T patent/ES2021857B3/en not_active Expired - Lifetime
- 1988-09-05 AT AT88402223T patent/ATE62287T1/en active
- 1988-09-05 DE DE8888402223T patent/DE3862265D1/en not_active Expired - Fee Related
- 1988-09-05 EP EP88402223A patent/EP0307295B1/en not_active Expired - Lifetime
- 1988-09-06 ZA ZA886622A patent/ZA886622B/en unknown
- 1988-09-06 PT PT88435A patent/PT88435B/en not_active IP Right Cessation
- 1988-09-06 NZ NZ226060A patent/NZ226060A/en unknown
- 1988-09-06 JP JP63221502A patent/JPH01207492A/en active Granted
- 1988-09-07 FI FI884123A patent/FI884123A/en not_active IP Right Cessation
- 1988-09-07 AU AU21960/88A patent/AU608054B2/en not_active Ceased
- 1988-09-07 MA MA21615A patent/MA21393A1/en unknown
- 1988-09-07 NO NO88883968A patent/NO883968L/en unknown
- 1988-09-07 KR KR1019880011536A patent/KR890005346A/en not_active Application Discontinuation
- 1988-09-08 OA OA59425A patent/OA08949A/en unknown
- 1988-09-08 CN CN88106618A patent/CN1013131B/en not_active Expired
- 1988-09-08 BR BR8804619A patent/BR8804619A/en unknown
-
1991
- 1991-04-04 GR GR90401231T patent/GR3001730T3/en unknown
Also Published As
Publication number | Publication date |
---|---|
AU608054B2 (en) | 1991-03-21 |
ES2021857B3 (en) | 1991-11-16 |
AU2196088A (en) | 1989-03-09 |
BR8804619A (en) | 1989-04-18 |
FR2620144A1 (en) | 1989-03-10 |
MA21393A1 (en) | 1989-07-01 |
NZ226060A (en) | 1991-02-26 |
JPH01207492A (en) | 1989-08-21 |
EP0307295A1 (en) | 1989-03-15 |
ZA886622B (en) | 1991-05-29 |
FI884123A0 (en) | 1988-09-07 |
CN1033664A (en) | 1989-07-05 |
CN1013131B (en) | 1991-07-10 |
ATE62287T1 (en) | 1991-04-15 |
DE3862265D1 (en) | 1991-05-08 |
FR2620144B1 (en) | 1989-12-08 |
FI884123A (en) | 1989-03-09 |
JPH0217678B2 (en) | 1990-04-23 |
PT88435A (en) | 1989-07-31 |
EP0307295B1 (en) | 1991-04-03 |
PT88435B (en) | 1992-10-30 |
NO883968D0 (en) | 1988-09-07 |
KR890005346A (en) | 1989-05-13 |
NO883968L (en) | 1989-03-09 |
GR3001730T3 (en) | 1992-11-23 |
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