DE69217196D1 - Verfahren zur verbesserung der rückhaltung bei der papier-oder pappeherstellung - Google Patents
Verfahren zur verbesserung der rückhaltung bei der papier-oder pappeherstellungInfo
- Publication number
- DE69217196D1 DE69217196D1 DE69217196T DE69217196T DE69217196D1 DE 69217196 D1 DE69217196 D1 DE 69217196D1 DE 69217196 T DE69217196 T DE 69217196T DE 69217196 T DE69217196 T DE 69217196T DE 69217196 D1 DE69217196 D1 DE 69217196D1
- Authority
- DE
- Germany
- Prior art keywords
- paper
- cardboard production
- restraint
- improving
- improving restraint
- 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.)
- Expired - Lifetime
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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
-
- 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
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Separation Of Suspended Particles By Flocculating Agents (AREA)
- Silicates, Zeolites, And Molecular Sieves (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR9109781A FR2679546B1 (fr) | 1991-07-26 | 1991-07-26 | Procede de traitement des eaux. |
PCT/FR1992/000733 WO1993003223A1 (fr) | 1991-07-26 | 1992-07-24 | Procede de traitement des eaux, notamment pour ameliorer la retention dans la fabrication des papiers ou cartons |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69217196D1 true DE69217196D1 (de) | 1997-03-13 |
DE69217196T2 DE69217196T2 (de) | 1997-07-10 |
Family
ID=9415808
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69217196T Expired - Lifetime DE69217196T2 (de) | 1991-07-26 | 1992-07-24 | Verfahren zur verbesserung der rückhaltung bei der papier-oder pappeherstellung |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP0558701B1 (de) |
DE (1) | DE69217196T2 (de) |
FR (1) | FR2679546B1 (de) |
WO (1) | WO1993003223A1 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1270118B (it) * | 1994-10-04 | 1997-04-28 | Italtraco Srl | Composizione per il trattamento di rifiuti polari contenenti dispersioni colloidali costituite da particelle solvatate e procedimento per la rimozione di dette sostanze che utilizza questa composizione |
EP0794156A1 (de) * | 1996-03-05 | 1997-09-10 | Garuda Consulting + Holding GmbH | Verfahren zum Reinigen betrieblicher Abwässer von darin gelösten organischen Stoffen, insbesondere Stärke oder Zellstoff |
FR2793169B1 (fr) * | 1999-05-03 | 2002-02-22 | Gabriel Sylvestre | Procede de creation de brouillard, de vaporisation par mise en haute/moyenne pression d'eau pure ou melangee a differents produits pour diverses applications |
NO311713B1 (no) * | 2000-03-22 | 2002-01-14 | Stig Ovar Keller | Fellingskjemikalie samt fremgangsmåte ved, og anvendelse av, fellingskjemikaliet |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3052595A (en) * | 1955-05-11 | 1962-09-04 | Dow Chemical Co | Method for increasing filler retention in paper |
DE2262906A1 (de) * | 1972-03-30 | 1973-10-11 | Sandoz Ag | Verfahren zur verbesserung der entwaesserungsbeschleunigenden eigenschaften von polyamidaminen, polyaetheraminen und polyaethyleniminen in cellulosefasersuspensionen |
DE3541163A1 (de) * | 1985-11-21 | 1987-05-27 | Basf Ag | Verfahren zur herstellung von papier und karton |
GB8602121D0 (en) * | 1986-01-29 | 1986-03-05 | Allied Colloids Ltd | Paper & paper board |
FR2640613B1 (fr) * | 1988-11-29 | 1992-01-10 | Alsthom Gec | Produit et procede de traitement d'une dispersion aqueuse usee a l'aide d'une montmorillonite |
GB8828899D0 (en) * | 1988-12-10 | 1989-01-18 | Laporte Industries Ltd | Paper & paperboard |
HU210306B (en) * | 1989-01-24 | 1995-07-28 | Varga | Product for increasing of efficianci of water purificating apparatous |
JPH0753815B2 (ja) * | 1989-06-22 | 1995-06-07 | 第一工業製薬株式会社 | ベントナイト改質剤 |
-
1991
- 1991-07-26 FR FR9109781A patent/FR2679546B1/fr not_active Expired - Fee Related
-
1992
- 1992-07-24 WO PCT/FR1992/000733 patent/WO1993003223A1/fr active IP Right Grant
- 1992-07-24 DE DE69217196T patent/DE69217196T2/de not_active Expired - Lifetime
- 1992-07-24 EP EP92916840A patent/EP0558701B1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
EP0558701A1 (de) | 1993-09-08 |
WO1993003223A1 (fr) | 1993-02-18 |
FR2679546B1 (fr) | 1994-01-28 |
EP0558701B1 (de) | 1997-01-29 |
FR2679546A1 (fr) | 1993-01-29 |
DE69217196T2 (de) | 1997-07-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |