FI20075503L - Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa - Google Patents
Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa Download PDFInfo
- Publication number
- FI20075503L FI20075503L FI20075503A FI20075503A FI20075503L FI 20075503 L FI20075503 L FI 20075503L FI 20075503 A FI20075503 A FI 20075503A FI 20075503 A FI20075503 A FI 20075503A FI 20075503 L FI20075503 L FI 20075503L
- Authority
- FI
- Finland
- Prior art keywords
- paper
- acid
- making
- base treatment
- suspension
- 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
- 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
- D21C9/001—Modification of pulp properties
- D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
- D21C9/004—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives inorganic 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/64—Alkaline 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/65—Acid 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
-
- 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
- D21C9/1026—Other features in bleaching processes
- D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes
-
- 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
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
-
- 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
- D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Paper (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20075503A FI20075503L (fi) | 2007-07-03 | 2007-07-03 | Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa |
AT08760061T ATE515593T1 (de) | 2007-07-03 | 2008-05-27 | Verfahren zur herstellung von papier und verwendung einer säure/base-behandlung bei der papierherstellung |
EP08760061A EP2176461B1 (en) | 2007-07-03 | 2008-05-27 | Process for making paper and use of an acid/base treatment in papermaking |
PCT/EP2008/056463 WO2009003770A1 (en) | 2007-07-03 | 2008-05-27 | Process for making paper and use of an acid/base treatment in papermaking |
CA002691590A CA2691590A1 (en) | 2007-07-03 | 2008-05-27 | Process for making paper and use of an acid/base treatment in papermaking |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20075503A FI20075503L (fi) | 2007-07-03 | 2007-07-03 | Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa |
Publications (2)
Publication Number | Publication Date |
---|---|
FI20075503A0 FI20075503A0 (fi) | 2007-07-03 |
FI20075503L true FI20075503L (fi) | 2008-06-19 |
Family
ID=38331591
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI20075503A FI20075503L (fi) | 2007-07-03 | 2007-07-03 | Menetelmä paperin valmistamiseksi ja happo/emäskäsittelyn käyttö paperin valmistuksessa |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP2176461B1 (fi) |
AT (1) | ATE515593T1 (fi) |
CA (1) | CA2691590A1 (fi) |
FI (1) | FI20075503L (fi) |
WO (1) | WO2009003770A1 (fi) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103392039A (zh) | 2011-01-25 | 2013-11-13 | 巴斯夫欧洲公司 | 生产用于制造纸制品的半浆的方法 |
US20120186766A1 (en) * | 2011-01-25 | 2012-07-26 | Basf Se | Manufacturing a papery article |
US20120186762A1 (en) * | 2011-01-25 | 2012-07-26 | Basf Se | Producing half-stuffs for the manufacture of papery articles |
EP2668333B1 (de) | 2011-01-25 | 2014-10-29 | Basf Se | Verfahren zur herstellung eines papiererzeugnisses |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3639206A (en) * | 1969-07-29 | 1972-02-01 | Continental Can Co | Treatment of waste water from alkaline pulping processes |
DE2752413C2 (de) * | 1977-11-24 | 1979-03-29 | J.M. Voith Gmbh, 7920 Heidenheim | Verfahren zur Aufhärtung des Wassers bei der Altpapieraufbereitung und Vorrichtung zur Durchführung des Verfahrens |
EP0296198B1 (en) * | 1986-12-22 | 1991-09-18 | Aga Aktiebolag | Method for washing of alcaline pulp |
SE461860B (sv) * | 1989-02-13 | 1990-04-02 | Mo Och Domsjoe Ab | Foerfarande foer framstaellning av papper och bestruket papper varvid baspappret innehaaller precipiterat kalciumkarbonat |
US5679220A (en) * | 1995-01-19 | 1997-10-21 | International Paper Company | Process for enhanced deposition and retention of particulate filler on papermaking fibers |
AU4271596A (en) * | 1995-12-19 | 1997-07-14 | Kvaerner Hymac Inc. | Process for treating refiner pulp |
FI102911B1 (fi) * | 1997-06-13 | 1999-03-15 | Aga Ab | Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseksi stabiloidusta massasta |
SE511794C2 (sv) * | 1997-06-30 | 1999-11-29 | Sunds Defibrator Ind Ab | Sätt att reducera halten kalcium i vätskefasen i en pappersmassasuspension |
FI103520B (fi) * | 1998-03-03 | 1999-07-15 | Upm Kymmene Corp | Parannetut paperinvalmistusmenetelmät |
KR100319491B1 (ko) * | 1998-12-08 | 2002-04-22 | 김충섭 | 재활용되는제지공정수의칼슘경도조절방법 |
-
2007
- 2007-07-03 FI FI20075503A patent/FI20075503L/fi unknown
-
2008
- 2008-05-27 CA CA002691590A patent/CA2691590A1/en not_active Abandoned
- 2008-05-27 WO PCT/EP2008/056463 patent/WO2009003770A1/en active Application Filing
- 2008-05-27 AT AT08760061T patent/ATE515593T1/de not_active IP Right Cessation
- 2008-05-27 EP EP08760061A patent/EP2176461B1/en active Active
Also Published As
Publication number | Publication date |
---|---|
WO2009003770A1 (en) | 2009-01-08 |
FI20075503A0 (fi) | 2007-07-03 |
ATE515593T1 (de) | 2011-07-15 |
CA2691590A1 (en) | 2009-01-08 |
EP2176461A1 (en) | 2010-04-21 |
EP2176461B1 (en) | 2011-07-06 |
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