FR2416297A1 - Procede anti-polluant de blanchiment de pate a papier - Google Patents
Procede anti-polluant de blanchiment de pate a papierInfo
- Publication number
- FR2416297A1 FR2416297A1 FR7802694A FR7802694A FR2416297A1 FR 2416297 A1 FR2416297 A1 FR 2416297A1 FR 7802694 A FR7802694 A FR 7802694A FR 7802694 A FR7802694 A FR 7802694A FR 2416297 A1 FR2416297 A1 FR 2416297A1
- Authority
- FR
- France
- Prior art keywords
- paper pulp
- phase
- pollutant process
- bleaching paper
- bleaching
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000000034 method Methods 0.000 title abstract 3
- 229920001131 Pulp (paper) Polymers 0.000 title abstract 2
- 238000004061 bleaching Methods 0.000 title abstract 2
- 239000003344 environmental pollutant Substances 0.000 title 1
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 abstract 4
- 239000004155 Chlorine dioxide Substances 0.000 abstract 2
- 235000019398 chlorine dioxide Nutrition 0.000 abstract 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 abstract 1
- 238000005660 chlorination reaction Methods 0.000 abstract 1
- 239000000460 chlorine Substances 0.000 abstract 1
- 229910052801 chlorine Inorganic materials 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 230000001590 oxidative effect Effects 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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
-
- 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
- D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7802694A FR2416297A1 (fr) | 1978-01-31 | 1978-01-31 | Procede anti-polluant de blanchiment de pate a papier |
DE19792903014 DE2903014A1 (de) | 1978-01-31 | 1979-01-26 | Anti-schadstoff-bleichverfahren fuer papierzellstoff |
BE0/193124A BE873765A (fr) | 1978-01-31 | 1979-01-29 | Procede antipolluant de blanchissement de pate a papier |
BR7900561A BR7900561A (pt) | 1978-01-31 | 1979-01-30 | Processo anti-poluinte de alvejamento para pasta de papel |
JP884579A JPS54116404A (en) | 1978-01-31 | 1979-01-30 | Process for bleaching wood pulp without generating public nuisance |
OA56722A OA06169A (fr) | 1978-01-31 | 1979-01-30 | Procédé anti-polluant de blanchiment de la pâte à papier. |
SE7900793A SE7900793L (sv) | 1978-01-31 | 1979-01-30 | Sett att bleka pappersmassa |
ZA79388A ZA79388B (en) | 1978-01-31 | 1979-01-30 | An anti-pollution process for bleaching wood pulp |
FI790318A FI790318A7 (fi) | 1978-01-31 | 1979-01-31 | Blekningsfoerfarande foer pappersmassa |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7802694A FR2416297A1 (fr) | 1978-01-31 | 1978-01-31 | Procede anti-polluant de blanchiment de pate a papier |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2416297A1 true FR2416297A1 (fr) | 1979-08-31 |
FR2416297B1 FR2416297B1 (enrdf_load_stackoverflow) | 1983-01-07 |
Family
ID=9204036
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7802694A Granted FR2416297A1 (fr) | 1978-01-31 | 1978-01-31 | Procede anti-polluant de blanchiment de pate a papier |
Country Status (9)
Country | Link |
---|---|
JP (1) | JPS54116404A (enrdf_load_stackoverflow) |
BE (1) | BE873765A (enrdf_load_stackoverflow) |
BR (1) | BR7900561A (enrdf_load_stackoverflow) |
DE (1) | DE2903014A1 (enrdf_load_stackoverflow) |
FI (1) | FI790318A7 (enrdf_load_stackoverflow) |
FR (1) | FR2416297A1 (enrdf_load_stackoverflow) |
OA (1) | OA06169A (enrdf_load_stackoverflow) |
SE (1) | SE7900793L (enrdf_load_stackoverflow) |
ZA (1) | ZA79388B (enrdf_load_stackoverflow) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401149A1 (en) * | 1989-05-19 | 1990-12-05 | Fmc Corporation | Hydrogen peroxide reinforced oxygen delignification |
WO1992021813A1 (en) * | 1991-06-07 | 1992-12-10 | Ici Canada Inc. | Biobleaching process |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE9000340L (sv) * | 1990-01-31 | 1991-08-01 | Eka Nobel Ab | Foerfarande vid blekning av lignocellulosahaltigt material |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2100496A (en) * | 1936-02-18 | 1937-11-30 | Mathieson Alkali Works Inc | Bleaching of cellulosic materials |
US2120678A (en) * | 1936-03-30 | 1938-06-14 | Hammermill Paper Co | Bleaching and purifying process |
US2494542A (en) * | 1946-05-02 | 1950-01-17 | Niagara Alkali Company | Method of bleaching pulp |
DE1959118A1 (de) * | 1968-12-05 | 1970-06-11 | Mo Och Domsjoe Ab | Verfahren zur Herstellung gebleichter Cellulosepulpe |
FR2071947A1 (enrdf_load_stackoverflow) * | 1969-12-19 | 1971-09-24 | Canadian Ind | |
FR2322235A1 (fr) * | 1975-08-30 | 1977-03-25 | Degussa | Attaque blanchissante de la cellulose avec reduction importante de la quantite de chlore utilisee |
-
1978
- 1978-01-31 FR FR7802694A patent/FR2416297A1/fr active Granted
-
1979
- 1979-01-26 DE DE19792903014 patent/DE2903014A1/de not_active Withdrawn
- 1979-01-29 BE BE0/193124A patent/BE873765A/xx not_active IP Right Cessation
- 1979-01-30 JP JP884579A patent/JPS54116404A/ja active Pending
- 1979-01-30 ZA ZA79388A patent/ZA79388B/xx unknown
- 1979-01-30 BR BR7900561A patent/BR7900561A/pt unknown
- 1979-01-30 OA OA56722A patent/OA06169A/xx unknown
- 1979-01-30 SE SE7900793A patent/SE7900793L/ not_active Application Discontinuation
- 1979-01-31 FI FI790318A patent/FI790318A7/fi unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2100496A (en) * | 1936-02-18 | 1937-11-30 | Mathieson Alkali Works Inc | Bleaching of cellulosic materials |
US2120678A (en) * | 1936-03-30 | 1938-06-14 | Hammermill Paper Co | Bleaching and purifying process |
US2494542A (en) * | 1946-05-02 | 1950-01-17 | Niagara Alkali Company | Method of bleaching pulp |
DE1959118A1 (de) * | 1968-12-05 | 1970-06-11 | Mo Och Domsjoe Ab | Verfahren zur Herstellung gebleichter Cellulosepulpe |
FR2071947A1 (enrdf_load_stackoverflow) * | 1969-12-19 | 1971-09-24 | Canadian Ind | |
FR2322235A1 (fr) * | 1975-08-30 | 1977-03-25 | Degussa | Attaque blanchissante de la cellulose avec reduction importante de la quantite de chlore utilisee |
Non-Patent Citations (1)
Title |
---|
EXBK/74 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0401149A1 (en) * | 1989-05-19 | 1990-12-05 | Fmc Corporation | Hydrogen peroxide reinforced oxygen delignification |
WO1992021813A1 (en) * | 1991-06-07 | 1992-12-10 | Ici Canada Inc. | Biobleaching process |
Also Published As
Publication number | Publication date |
---|---|
JPS54116404A (en) | 1979-09-10 |
SE7900793L (sv) | 1979-08-01 |
DE2903014A1 (de) | 1979-08-02 |
BE873765A (fr) | 1979-07-30 |
OA06169A (fr) | 1981-06-30 |
FR2416297B1 (enrdf_load_stackoverflow) | 1983-01-07 |
ZA79388B (en) | 1980-02-27 |
FI790318A7 (fi) | 1979-08-01 |
BR7900561A (pt) | 1979-08-28 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |