SE8604975D0 - Sett att inom pappers-, massa- och boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten - Google Patents
Sett att inom pappers-, massa- och boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvattenInfo
- Publication number
- SE8604975D0 SE8604975D0 SE8604975A SE8604975A SE8604975D0 SE 8604975 D0 SE8604975 D0 SE 8604975D0 SE 8604975 A SE8604975 A SE 8604975A SE 8604975 A SE8604975 A SE 8604975A SE 8604975 D0 SE8604975 D0 SE 8604975D0
- Authority
- SE
- Sweden
- Prior art keywords
- resp
- paper
- cellulosa
- mass
- fiber suspension
- Prior art date
Links
Classifications
-
- 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
- C02F1/54—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities using organic material
- C02F1/56—Macromolecular compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/25—Cellulose
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
- D21H17/29—Starch cationic
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/53—Polyethers; Polyesters
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
- Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604975A SE454507B (sv) | 1986-11-21 | 1986-11-21 | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
NO874840A NO166456C (no) | 1986-11-21 | 1987-11-19 | Fremgangsmaate for aa forbedre retensjon eller rensing av henholdsvis cellulosefibersuspensjoner og avloepsvann. |
FI875123A FI90573C (sv) | 1986-11-21 | 1987-11-19 | Sätt att inom pappers-, massa- och boardindustrin förbättra retention eller rening av cellulosafibersuspensioner resp. avloppsvatten |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8604975A SE454507B (sv) | 1986-11-21 | 1986-11-21 | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
Publications (2)
Publication Number | Publication Date |
---|---|
SE8604975D0 true SE8604975D0 (sv) | 1986-11-21 |
SE454507B SE454507B (sv) | 1988-05-09 |
Family
ID=20366355
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE8604975A SE454507B (sv) | 1986-11-21 | 1986-11-21 | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
Country Status (3)
Country | Link |
---|---|
FI (1) | FI90573C (sv) |
NO (1) | NO166456C (sv) |
SE (1) | SE454507B (sv) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5173208A (en) * | 1991-06-17 | 1992-12-22 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
US5230808A (en) * | 1991-06-17 | 1993-07-27 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
US5178770A (en) * | 1991-07-12 | 1993-01-12 | Nalco Canada Inc. | Method of treating bctmp/ctmp wastewater |
WO1993015271A1 (en) * | 1992-01-29 | 1993-08-05 | Kemira Kemi Aktiebolag | Improved process for production of paper |
SE500783C2 (sv) * | 1992-05-05 | 1994-09-05 | Eka Nobel Ab | Sätt att rena vedhartsinnehållande process- eller avloppsvatten |
SE509777C2 (sv) * | 1997-07-07 | 1999-03-08 | Kemira Kemi Ab | Sätt att förbättra retentionen vid avvattning av en cellulosafibersuspension genom användning av ett medel, som inbegriper ett fenolformaldehydharts och en polyetylenoxid |
GB9800497D0 (en) * | 1998-01-09 | 1998-03-04 | Allied Colloids Ltd | Dewatering of sludges |
-
1986
- 1986-11-21 SE SE8604975A patent/SE454507B/sv not_active IP Right Cessation
-
1987
- 1987-11-19 NO NO874840A patent/NO166456C/no not_active IP Right Cessation
- 1987-11-19 FI FI875123A patent/FI90573C/sv not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
NO874840D0 (no) | 1987-11-19 |
NO166456B (no) | 1991-04-15 |
FI90573C (sv) | 1994-02-25 |
NO874840L (no) | 1988-05-24 |
FI90573B (sv) | 1993-11-15 |
NO166456C (no) | 1991-07-24 |
FI875123A (sv) | 1988-05-22 |
FI875123A0 (sv) | 1987-11-19 |
SE454507B (sv) | 1988-05-09 |
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