FI880918A - Anvaendning av koldioxid foer justering av ph-vaerdet i cellulosamassa. - Google Patents

Anvaendning av koldioxid foer justering av ph-vaerdet i cellulosamassa. Download PDF

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Publication number
FI880918A
FI880918A FI880918A FI880918A FI880918A FI 880918 A FI880918 A FI 880918A FI 880918 A FI880918 A FI 880918A FI 880918 A FI880918 A FI 880918A FI 880918 A FI880918 A FI 880918A
Authority
FI
Finland
Prior art keywords
vaerdet
koldioxid
cellulosamassa
anvaendning
justering
Prior art date
Application number
FI880918A
Other languages
English (en)
Finnish (fi)
Other versions
FI880918A0 (fi
Inventor
Jr George H Hollerbach
Walter Kleinberg
Original Assignee
Boc Group Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=26692661&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI880918(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Boc Group Inc filed Critical Boc Group Inc
Publication of FI880918A0 publication Critical patent/FI880918A0/fi
Publication of FI880918A publication Critical patent/FI880918A/fi

Links

Classifications

    • 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
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/08—Controlling the addition by measuring pulp properties, e.g. zeta potential, pH
    • 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
FI880918A 1987-02-27 1988-02-26 Anvaendning av koldioxid foer justering av ph-vaerdet i cellulosamassa. FI880918A (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US1983187A 1987-02-27 1987-02-27
US14675188A 1988-01-21 1988-01-21

Publications (2)

Publication Number Publication Date
FI880918A0 FI880918A0 (fi) 1988-02-26
FI880918A true FI880918A (fi) 1988-08-28

Family

ID=26692661

Family Applications (1)

Application Number Title Priority Date Filing Date
FI880918A FI880918A (fi) 1987-02-27 1988-02-26 Anvaendning av koldioxid foer justering av ph-vaerdet i cellulosamassa.

Country Status (6)

Country Link
EP (1) EP0281273B1 (fr)
JP (1) JP2582838B2 (fr)
AU (1) AU1175188A (fr)
DE (1) DE3882395T2 (fr)
FI (1) FI880918A (fr)
NO (1) NO880763L (fr)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2069713C (fr) * 1992-05-27 2003-05-13 Derek Hornsey Utilisation de dioxyde de carbone dans des procedes de collage du papier en milieu neutre ou alcalin
JP3485685B2 (ja) * 1995-08-04 2004-01-13 オリンパス株式会社 屈折率分布型単レンズ
US6200416B1 (en) * 1997-06-10 2001-03-13 Praxair Technology, Inc. Recycled paper production process which incorporates carbon dioxide
FI102911B (fi) * 1997-06-13 1999-03-15 Aga Ab Menetelmä massasuspension pH:n stabiloimiseksi ja paperin tuottamiseks i stabiloidusta massasta
FI104503B (fi) 1997-11-05 2000-02-15 Aga Ab Menetelmä selluloosamassojen suotautuvuuden parantamiseksi
FI103520B1 (fi) 1998-03-03 1999-07-15 Aga Ab Parannetut paperinvalmistusmenetelmät
FI104003B (fi) 1999-02-08 1999-10-29 Aga Ab Stabiloitu täyteaine, sen valmistus ja käyttö
FI991241A (fi) 1999-06-01 2000-12-02 Aga Ab Ligniinin valkaisu ja menetelmä paperin valmistamiseksi
FR2795753B1 (fr) * 1999-07-01 2001-09-14 Carboxyque Francaise Perfectionnement aux procedes de fabrication de produits papetiers en vue de l'incorporation dans lesdits produits de dechets papetiers necessitant un traitement basique
FI20000806A (fi) * 2000-04-05 2001-10-06 Aga Ab Menetelmä lignoselluloosamassan valkaisemiseksi
FI111177B (fi) * 2001-12-12 2003-06-13 Linde Ag Laite ja menetelmä teollisuusprosessin alkaliteetin ja pH-arvon ohjaamiseksi
FR2836938B1 (fr) * 2002-03-07 2004-08-06 Air Liquide Perfectionnement aux procedes de fabrication de produits papetiers par amelioration du comportement physico-chimique de la pate a papier
US7056419B2 (en) * 2002-09-30 2006-06-06 American Air Liquide, Inc. Methods for modifying electrical properties of papermaking compositions using carbon dioxide
US20040256069A1 (en) * 2003-06-18 2004-12-23 Saucedo Victor M. Estimation and control in the wet end using CO2
CN100396849C (zh) * 2003-06-18 2008-06-25 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 Co2在造纸工艺湿部中的受控添加
FI20060670A0 (fi) * 2006-07-10 2006-07-10 Mikko Kaira Menetelmä kuitutuotteen bulkin lisäämiseksi ja muodostettu kuitutuote
FI20065727A0 (fi) 2006-11-15 2006-11-15 Linde Ag Menetelmä kerrostuman muodostumisen vähentämiseksi sellu- ja paperiteollisuudessa
FI20075638A0 (fi) * 2007-09-13 2007-09-13 Linde Ag Tarttuvan pihkan poistaminen massasuspensiosta, rejektin kalsiumyhdisteiden vähentäminen ja hiilidioksidin käyttö paperinvalmistuksessa
FI20085797L (fi) * 2008-08-27 2010-02-28 Linde Ag Menetelmä puskuriliuoksen valmistamiseksi paperinvalmistusprosessissa
CN110093800A (zh) * 2018-01-30 2019-08-06 广西科开成林科技有限公司 一种湿态机械活化高浓磨浆的方法
NL2025251B1 (nl) * 2020-03-31 2021-02-18 Eska B V Werkwijze voor het in een kartonvervaardigingsinrichting vervaardigen van gekleurd karton, alsmede gekleurd karton vervaardigd door middel van een dergelijke werkwijze.

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE235821C (fr) * 1910-10-11
US1993265A (en) * 1933-02-28 1935-03-05 Merrimac Chemical Co Inc Manufacture of paper embodying alkaline earth metal carbonate fillers
US2114809A (en) * 1934-07-06 1938-04-19 West Virginia Pulp & Paper Com Method of producing sized papers
US3112242A (en) * 1960-05-10 1963-11-26 Int Paper Co Treating a wood pulp slurry with a water-soluble acid prior to addition of sizing materials thereto
JPS4930605A (fr) * 1972-07-20 1974-03-19

Also Published As

Publication number Publication date
FI880918A0 (fi) 1988-02-26
NO880763L (no) 1988-08-29
EP0281273A1 (fr) 1988-09-07
EP0281273B1 (fr) 1993-07-21
JPS6445887A (en) 1989-02-20
DE3882395T2 (de) 1993-12-02
NO880763D0 (no) 1988-02-22
DE3882395D1 (de) 1993-08-26
JP2582838B2 (ja) 1997-02-19
AU1175188A (en) 1988-09-01

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Legal Events

Date Code Title Description
FD Application lapsed
FD Application lapsed

Owner name: THE BOC GROUP, INC.