FI831757L - Anvaendning av syreavgivande substanser foer att reducera moerkfaergning av pappersmassan - Google Patents
Anvaendning av syreavgivande substanser foer att reducera moerkfaergning av pappersmassanInfo
- Publication number
- FI831757L FI831757L FI831757A FI831757A FI831757L FI 831757 L FI831757 L FI 831757L FI 831757 A FI831757 A FI 831757A FI 831757 A FI831757 A FI 831757A FI 831757 L FI831757 L FI 831757L
- Authority
- FI
- Finland
- Prior art keywords
- substancer
- pappersmassan
- atteded
- reducer
- white water
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
- D21F1/66—Pulp catching, de-watering, or recovering; Re-use of pulp-water
-
- 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
-
- 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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S210/00—Liquid purification or separation
- Y10S210/928—Paper mill waste, e.g. white water, black liquor treated
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
- Medicines Containing Plant Substances (AREA)
- Carbon And Carbon Compounds (AREA)
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8105591 | 1981-09-22 | ||
SE8105591A SE442414B (sv) | 1981-09-22 | 1981-09-22 | Sett att minska eller inhibera morkfergningen av massa eller papper i bakvattensystem |
SE8200286 | 1982-01-20 | ||
PCT/SE1982/000286 WO1983001080A1 (en) | 1981-09-22 | 1982-09-20 | Use of substances giving off oxygen in reduction of dark colouring of pulp |
Publications (4)
Publication Number | Publication Date |
---|---|
FI831757L true FI831757L (fi) | 1983-05-18 |
FI831757A0 FI831757A0 (fi) | 1983-05-18 |
FI78752B FI78752B (fi) | 1989-05-31 |
FI78752C FI78752C (fi) | 1989-09-11 |
Family
ID=20344604
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI831757A FI78752C (fi) | 1981-09-22 | 1983-05-18 | Anvaendning av syreavgivande substanser foer att reducera moerkfaergning av pappersmassan. |
Country Status (10)
Country | Link |
---|---|
US (1) | US4532007A (fi) |
EP (1) | EP0076788B1 (fi) |
JP (1) | JPS58501546A (fi) |
AT (1) | ATE22135T1 (fi) |
AU (1) | AU560874B2 (fi) |
CA (1) | CA1200353A (fi) |
DE (1) | DE3273203D1 (fi) |
FI (1) | FI78752C (fi) |
SE (1) | SE442414B (fi) |
WO (1) | WO1983001080A1 (fi) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4756800A (en) * | 1986-09-03 | 1988-07-12 | The United States Of America As Represented By The Secretary Of Agriculture | Method for producing salts of monoperoxysulfuric acid and simultaneously bleaching pulp |
US5242593A (en) * | 1988-12-09 | 1993-09-07 | Oberkofler Joerg | Method for reducing the build-up of slime and/or film in water circulation systems |
US5194163A (en) * | 1991-03-08 | 1993-03-16 | Fmc Corporation | Purification of waste streams |
US5190669A (en) * | 1991-03-08 | 1993-03-02 | Fmc Corporation | Purification of waste streams |
FI110533B (fi) * | 2000-05-04 | 2003-02-14 | Aga Ab | Menetelmä mikrobikasvun torjumiseksi |
FI20025023A (fi) * | 2001-08-21 | 2003-02-22 | Liqum Oy | Menetelmä paperi- tai selluprosessissa massa- ja kiertovesijärjestelmän kemiallisen tilan hallitsemiseksi |
PL2570550T3 (pl) * | 2011-09-15 | 2016-03-31 | Linde Ag | Traktowanie tlenem wody i pulpy do wytwarzania papieru lub kartonu |
DE102011083709A1 (de) * | 2011-09-29 | 2013-04-04 | Voith Patent Gmbh | Betriebsverfahren für eine Stoffaufbereitung |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE745207C (de) * | 1938-06-29 | 1944-03-01 | Degussa | Verfahren zum Reinigen von Faserstoff enthaltenden Trueben, wie z. B. Abwaessern der Papierherstellung |
BE517333A (fi) * | 1952-02-02 | |||
US3578610A (en) * | 1960-11-30 | 1971-05-11 | United Aircraft Corp | Process for fabrication of stoichiometric uranium monocarbide |
US3405030A (en) * | 1965-05-20 | 1968-10-08 | Harry E. Morter | Method of determining and controlling microbial activity in aqueous paper machine systems |
US3405930A (en) * | 1965-12-09 | 1968-10-15 | Chester I. Williams | Articulating clamp for securing form panels in rectangular configuration |
US3514278A (en) * | 1968-01-08 | 1970-05-26 | Betz Laboratories | Slime control agent and methods of application |
FR1599588A (fi) * | 1968-12-30 | 1970-07-15 | ||
US3576710A (en) * | 1969-07-28 | 1971-04-27 | Cons Paper Inc | Brightening of white water sludge |
US3876497A (en) * | 1971-11-23 | 1975-04-08 | Sterling Drug Inc | Paper mill waste sludge oxidation and product recovery |
DE2905936B1 (de) * | 1979-02-16 | 1980-04-30 | Degussa | Verfahren zum Aufhellen und Desodorieren von Sulfatzellstoff |
DE3019519B1 (de) * | 1980-05-22 | 1981-02-12 | Degussa | Verfahren zur Desodorierung von Sulfatzellstoff |
-
1981
- 1981-09-22 SE SE8105591A patent/SE442414B/sv unknown
-
1982
- 1982-09-20 US US06/498,199 patent/US4532007A/en not_active Expired - Fee Related
- 1982-09-20 AT AT82850185T patent/ATE22135T1/de not_active IP Right Cessation
- 1982-09-20 WO PCT/SE1982/000286 patent/WO1983001080A1/en active IP Right Grant
- 1982-09-20 AU AU89591/82A patent/AU560874B2/en not_active Ceased
- 1982-09-20 JP JP57503017A patent/JPS58501546A/ja active Pending
- 1982-09-20 CA CA000411729A patent/CA1200353A/en not_active Expired
- 1982-09-20 EP EP82850185A patent/EP0076788B1/en not_active Expired
- 1982-09-20 DE DE8282850185T patent/DE3273203D1/de not_active Expired
-
1983
- 1983-05-18 FI FI831757A patent/FI78752C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI78752C (fi) | 1989-09-11 |
JPS58501546A (ja) | 1983-09-16 |
ATE22135T1 (de) | 1986-09-15 |
FI78752B (fi) | 1989-05-31 |
EP0076788B1 (en) | 1986-09-10 |
EP0076788A1 (en) | 1983-04-13 |
DE3273203D1 (en) | 1986-10-16 |
SE442414B (sv) | 1985-12-23 |
FI831757A0 (fi) | 1983-05-18 |
WO1983001080A1 (en) | 1983-03-31 |
CA1200353A (en) | 1986-02-11 |
SE8105591L (sv) | 1983-03-23 |
AU560874B2 (en) | 1987-04-16 |
US4532007A (en) | 1985-07-30 |
AU8959182A (en) | 1983-04-08 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: L'AIR LIQUIDE, SOCIETE ANONYME POUR L'ETUDE ET L'E Owner name: HOLMENS BRUK AKTIEBOLAG |