ATE62287T1 - PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT. - Google Patents
PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT.Info
- Publication number
- ATE62287T1 ATE62287T1 AT88402223T AT88402223T ATE62287T1 AT E62287 T1 ATE62287 T1 AT E62287T1 AT 88402223 T AT88402223 T AT 88402223T AT 88402223 T AT88402223 T AT 88402223T AT E62287 T1 ATE62287 T1 AT E62287T1
- Authority
- AT
- Austria
- Prior art keywords
- paper pulp
- post
- production
- carbon treatment
- bleached paper
- Prior art date
Links
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 title 1
- 238000004061 bleaching Methods 0.000 title 1
- 229910052799 carbon Inorganic materials 0.000 title 1
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract 2
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000000746 purification Methods 0.000 abstract 1
- 235000010269 sulphur dioxide Nutrition 0.000 abstract 1
- 239000004291 sulphur dioxide Substances 0.000 abstract 1
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 (2)
| 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 |
| EP88402223A EP0307295B1 (en) | 1987-09-08 | 1988-09-05 | Process for producing a bleached paper pulp comprising a carbon dioxide treatment after bleaching |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE62287T1 true ATE62287T1 (en) | 1991-04-15 |
Family
ID=9354710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT88402223T ATE62287T1 (en) | 1987-09-08 | 1988-09-05 | PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT. |
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) | FI884123A7 (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 |
| US5639347A (en) * | 1993-03-24 | 1997-06-17 | Ahlstrom Machinery Inc. | Method of controlling of metals in a bleach plant, using oxidation |
| US5509999A (en) * | 1993-03-24 | 1996-04-23 | Kamyr, Inc. | Treatment of bleach plant effluents |
| FI110533B (en) * | 2000-05-04 | 2003-02-14 | Aga Ab | Procedure for preventing the proliferation of microbes |
| 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 EP EP88402223A patent/EP0307295B1/en not_active Expired - Lifetime
- 1988-09-05 AT AT88402223T patent/ATE62287T1/en active
- 1988-09-05 ES ES88402223T patent/ES2021857B3/en not_active Expired - Lifetime
- 1988-09-05 DE DE8888402223T patent/DE3862265D1/en not_active Expired - Fee Related
- 1988-09-06 NZ NZ226060A patent/NZ226060A/en unknown
- 1988-09-06 PT PT88435A patent/PT88435B/en not_active IP Right Cessation
- 1988-09-06 JP JP63221502A patent/JPH01207492A/en active Granted
- 1988-09-06 ZA ZA886622A patent/ZA886622B/en unknown
- 1988-09-07 MA MA21615A patent/MA21393A1/en unknown
- 1988-09-07 KR KR1019880011536A patent/KR890005346A/en not_active Withdrawn
- 1988-09-07 NO NO88883968A patent/NO883968L/en unknown
- 1988-09-07 AU AU21960/88A patent/AU608054B2/en not_active Ceased
- 1988-09-07 FI FI884123A patent/FI884123A7/en not_active IP Right Cessation
- 1988-09-08 BR BR8804619A patent/BR8804619A/en unknown
- 1988-09-08 OA OA59425A patent/OA08949A/en unknown
- 1988-09-08 CN CN88106618A patent/CN1013131B/en not_active Expired
-
1991
- 1991-04-04 GR GR90401231T patent/GR3001730T3/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| EP0307295B1 (en) | 1991-04-03 |
| CN1013131B (en) | 1991-07-10 |
| FR2620144A1 (en) | 1989-03-10 |
| BR8804619A (en) | 1989-04-18 |
| FI884123L (en) | 1989-03-09 |
| FI884123A0 (en) | 1988-09-07 |
| NO883968L (en) | 1989-03-09 |
| AU2196088A (en) | 1989-03-09 |
| PT88435B (en) | 1992-10-30 |
| JPH01207492A (en) | 1989-08-21 |
| JPH0217678B2 (en) | 1990-04-23 |
| NO883968D0 (en) | 1988-09-07 |
| DE3862265D1 (en) | 1991-05-08 |
| OA08949A (en) | 1990-11-30 |
| MA21393A1 (en) | 1989-07-01 |
| FI884123A7 (en) | 1989-03-09 |
| AU608054B2 (en) | 1991-03-21 |
| ES2021857B3 (en) | 1991-11-16 |
| GR3001730T3 (en) | 1992-11-23 |
| CN1033664A (en) | 1989-07-05 |
| ZA886622B (en) | 1991-05-29 |
| KR890005346A (en) | 1989-05-13 |
| NZ226060A (en) | 1991-02-26 |
| PT88435A (en) | 1989-07-31 |
| EP0307295A1 (en) | 1989-03-15 |
| FR2620144B1 (en) | 1989-12-08 |
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