FI921671A0 - Foerfarande foer tillverkning av blekt pappersmassa med stor aotkomst. - Google Patents

Foerfarande foer tillverkning av blekt pappersmassa med stor aotkomst.

Info

Publication number
FI921671A0
FI921671A0 FI921671A FI921671A FI921671A0 FI 921671 A0 FI921671 A0 FI 921671A0 FI 921671 A FI921671 A FI 921671A FI 921671 A FI921671 A FI 921671A FI 921671 A0 FI921671 A0 FI 921671A0
Authority
FI
Finland
Prior art keywords
blekt
aotkomst
pappersmassa
foerfarande foer
foer tillverkning
Prior art date
Application number
FI921671A
Other languages
English (en)
Other versions
FI921671A (fi
Inventor
Michel Devic
Original Assignee
Atochem Elf Sa
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
Application filed by Atochem Elf Sa filed Critical Atochem Elf Sa
Publication of FI921671A0 publication Critical patent/FI921671A0/fi
Publication of FI921671A publication Critical patent/FI921671A/fi

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • 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
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides
FI921671A 1991-04-17 1992-04-14 Foerfarande foer tillverkning av blekt pappersmassa med stor aotkomst FI921671A (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9104737A FR2675518B1 (fr) 1991-04-17 1991-04-17 Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.

Publications (2)

Publication Number Publication Date
FI921671A0 true FI921671A0 (fi) 1992-04-14
FI921671A FI921671A (fi) 1992-10-18

Family

ID=9411959

Family Applications (1)

Application Number Title Priority Date Filing Date
FI921671A FI921671A (fi) 1991-04-17 1992-04-14 Foerfarande foer tillverkning av blekt pappersmassa med stor aotkomst

Country Status (12)

Country Link
EP (1) EP0509905B1 (fi)
JP (1) JP2588495B2 (fi)
AT (1) ATE140283T1 (fi)
AU (1) AU650962B2 (fi)
CA (1) CA2066316C (fi)
DE (1) DE69212051T2 (fi)
ES (1) ES2089436T3 (fi)
FI (1) FI921671A (fi)
FR (1) FR2675518B1 (fi)
IE (1) IE75202B1 (fi)
NO (1) NO300225B1 (fi)
NZ (1) NZ242356A (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2209420T3 (es) * 1998-04-17 2004-06-16 Alberta Research Council, Inc. Metodo de produccion de pulpa lignocelulosica a partir de especies no leñosas.
JP4738662B2 (ja) * 2001-08-03 2011-08-03 日本製紙株式会社 新聞用紙
JP4799774B2 (ja) * 2001-08-03 2011-10-26 日本製紙株式会社 印刷用紙
JP4501329B2 (ja) * 2002-03-29 2010-07-14 日本製紙株式会社 グラビア印刷用塗工紙
JP2006123982A (ja) * 2004-10-29 2006-05-18 Kyoraku Co Ltd 薄いパルプモールド製品
CN100357517C (zh) * 2005-10-14 2007-12-26 山东轻工业学院 棉杆蒸煮预处理液
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
CN103334328A (zh) * 2013-06-17 2013-10-02 中国林业科学研究院林产化学工业研究所 利用桉木屑制漂白化机浆的方法
CN103422380B (zh) * 2013-08-15 2015-11-18 齐鲁工业大学 一种针叶木高得率制浆的方法
EP2924166A1 (de) * 2014-03-25 2015-09-30 Basf Se Verfahren zur Herstellung von gebleichtem Holzfaserstoff
CN103978533B (zh) * 2014-06-09 2016-04-06 山东轻工职业学院 一种拉菲草的漂白工艺
CN109183495B (zh) * 2018-09-26 2020-12-25 湖北夷盟包装材料有限公司 一种使用含铋材料的高透明度透明纸的制备方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE416481B (sv) * 1977-05-02 1981-01-05 Mo Och Domsjoe Ab Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
JPS5917240B2 (ja) * 1980-05-30 1984-04-20 三菱瓦斯化学株式会社 機械パルプの過酸化物標白法
AU545847B2 (en) * 1981-02-11 1985-08-01 Mead Corporation, The Production of chemimechanical pump
US4486267A (en) * 1983-11-14 1984-12-04 Mead Corporation Chemithermomechanical pulping process employing separate alkali and sulfite treatments
US5002635A (en) * 1985-09-20 1991-03-26 Scott Paper Company Method for producing pulp using pre-treatment with stabilizers and refining
FR2634233B1 (fr) * 1988-07-12 1995-04-14 Atochem Procede de fabrication de pates chimicothermomecaniques blanchies
FR2659363B1 (fr) * 1990-03-07 1996-04-19 Atochem Procede de preparation de pates a haut rendement blanchies.

Also Published As

Publication number Publication date
AU1489792A (en) 1992-10-22
CA2066316C (fr) 1999-09-28
FR2675518A1 (fr) 1992-10-23
DE69212051T2 (de) 1997-01-23
EP0509905B1 (fr) 1996-07-10
ES2089436T3 (es) 1996-10-01
IE75202B1 (en) 1997-08-27
NO300225B1 (no) 1997-04-28
JPH06220788A (ja) 1994-08-09
JP2588495B2 (ja) 1997-03-05
IE921176A1 (en) 1992-10-21
AU650962B2 (en) 1994-07-07
ATE140283T1 (de) 1996-07-15
EP0509905A1 (fr) 1992-10-21
FR2675518B1 (fr) 1996-10-18
NO921335D0 (no) 1992-04-06
CA2066316A1 (fr) 1992-10-18
NZ242356A (en) 1994-06-27
DE69212051D1 (de) 1996-08-14
NO921335L (no) 1992-10-19
FI921671A (fi) 1992-10-18

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