FI850173A0 - Foerfarande vid pappersmassaproduktion. - Google Patents
Foerfarande vid pappersmassaproduktion.Info
- Publication number
- FI850173A0 FI850173A0 FI850173A FI850173A FI850173A0 FI 850173 A0 FI850173 A0 FI 850173A0 FI 850173 A FI850173 A FI 850173A FI 850173 A FI850173 A FI 850173A FI 850173 A0 FI850173 A0 FI 850173A0
- Authority
- FI
- Finland
- Prior art keywords
- resin
- resultant
- optionally
- cleaved
- added
- 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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- D21C11/0007—Recovery of by-products, i.e. compounds other than those necessary for pulping, for multiple uses or not otherwise provided for
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F1/5236—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using inorganic agents
-
- 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
- D21C9/08—Removal of fats, resins, pitch or waxes; Chemical or physical purification, i.e. refining, of crude cellulose by removing non-cellulosic contaminants, optionally combined with bleaching
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/26—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof
- C02F2103/28—Nature of the water, waste water, sewage or sludge to be treated from the processing of plants or parts thereof from the paper or cellulose industry
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Hydrology & Water Resources (AREA)
- Wood Science & Technology (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Electron Beam Exposure (AREA)
- Preparing Plates And Mask In Photomechanical Process (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8400188A SE452347B (sv) | 1984-01-16 | 1984-01-16 | Forfarande vid rening av hartskontaminerade lutar vid en pappersmassaindustri |
SE8400188 | 1984-01-16 |
Publications (4)
Publication Number | Publication Date |
---|---|
FI850173A0 true FI850173A0 (fi) | 1985-01-15 |
FI850173L FI850173L (fi) | 1985-07-17 |
FI76604B FI76604B (fi) | 1988-07-29 |
FI76604C FI76604C (fi) | 1988-11-10 |
Family
ID=20354315
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI850173A FI76604C (fi) | 1984-01-16 | 1985-01-15 | Foerfarande vid pappersmassaproduktion. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0151097B1 (fi) |
AT (1) | ATE46550T1 (fi) |
DE (1) | DE3573144D1 (fi) |
FI (1) | FI76604C (fi) |
SE (1) | SE452347B (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3627407C2 (de) * | 1986-08-13 | 1994-05-19 | Steinbeis Temming Papier Gmbh | Verfahren zur Reinigung von Wasserkreisläufen bei der Halbstoff- und Papierherstellung |
SE459925B (sv) * | 1987-12-23 | 1989-08-21 | Boliden Ab | Avskiljning av harts ur massaavlutar |
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 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE391955B (sv) * | 1975-07-16 | 1977-03-07 | Korsnaes Marma Ab | Sett att utvinna reningssubstanser ur den fellning, som erhalles da ligninhaltiga blekeriavloppsvatten renas genom tillsats av ett losligt aluminiumsalt i svagt sur miljo |
FR2444645A1 (fr) * | 1978-12-18 | 1980-07-18 | Du Pin Cellulose | Elimination des composes terpeniques des effluents industriels provenant du traitement des bois resineux |
-
1984
- 1984-01-16 SE SE8400188A patent/SE452347B/sv not_active IP Right Cessation
-
1985
- 1985-01-14 DE DE8585850014T patent/DE3573144D1/de not_active Expired
- 1985-01-14 EP EP85850014A patent/EP0151097B1/en not_active Expired
- 1985-01-14 AT AT85850014T patent/ATE46550T1/de not_active IP Right Cessation
- 1985-01-15 FI FI850173A patent/FI76604C/fi not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FI76604B (fi) | 1988-07-29 |
SE8400188D0 (sv) | 1984-01-16 |
SE452347B (sv) | 1987-11-23 |
ATE46550T1 (de) | 1989-10-15 |
FI850173L (fi) | 1985-07-17 |
FI76604C (fi) | 1988-11-10 |
EP0151097B1 (en) | 1989-09-20 |
EP0151097A1 (en) | 1985-08-07 |
DE3573144D1 (en) | 1989-10-26 |
SE8400188L (sv) | 1985-07-17 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed | ||
MM | Patent lapsed |
Owner name: BOLIDEN AKTIEBOLAG |