SE8803244D0 - Sett for framstellning av kemimekanisk massa av lovved - Google Patents

Sett for framstellning av kemimekanisk massa av lovved

Info

Publication number
SE8803244D0
SE8803244D0 SE8803244A SE8803244A SE8803244D0 SE 8803244 D0 SE8803244 D0 SE 8803244D0 SE 8803244 A SE8803244 A SE 8803244A SE 8803244 A SE8803244 A SE 8803244A SE 8803244 D0 SE8803244 D0 SE 8803244D0
Authority
SE
Sweden
Prior art keywords
pulp
bleaching
naoh
chips
per ton
Prior art date
Application number
SE8803244A
Other languages
English (en)
Other versions
SE460124B (sv
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Priority to SE8803244A priority Critical patent/SE460124B/sv
Publication of SE8803244D0 publication Critical patent/SE8803244D0/sv
Priority to PCT/SE1989/000395 priority patent/WO1990002835A1/en
Priority to AU40374/89A priority patent/AU616999B2/en
Priority to BR898907631A priority patent/BR8907631A/pt
Priority to EP19890908892 priority patent/EP0434696A1/en
Priority to CA 608079 priority patent/CA1334240C/en
Publication of SE460124B publication Critical patent/SE460124B/sv
Priority to ES8903114A priority patent/ES2017145A6/es
Priority to NO91910990A priority patent/NO910990L/no
Priority to FI911242A priority patent/FI911242A0/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/266—Multistage processes the same pulping agent being used in all stages
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE8803244A 1988-09-14 1988-09-14 Saett foer framstaellning av kemimekanisk massa av loevved SE460124B (sv)

Priority Applications (9)

Application Number Priority Date Filing Date Title
SE8803244A SE460124B (sv) 1988-09-14 1988-09-14 Saett foer framstaellning av kemimekanisk massa av loevved
PCT/SE1989/000395 WO1990002835A1 (en) 1988-09-14 1989-07-07 Method of making chemi-mechanical pulp from hardwood
AU40374/89A AU616999B2 (en) 1988-09-14 1989-07-07 Method of making chemi-mechanical pulp from hardwood
BR898907631A BR8907631A (pt) 1988-09-14 1989-07-07 Processo para fabricar polpa quimio-mecanica a partir de madeira dura
EP19890908892 EP0434696A1 (en) 1988-09-14 1989-07-07 Method of making chemi-mechanical pulp from hardwood
CA 608079 CA1334240C (en) 1988-09-14 1989-08-11 Method of making chemi-mechanical pulp from hardwood
ES8903114A ES2017145A6 (es) 1988-09-14 1989-09-13 Metodo de fabricar pasta de papel quimicoo-mecanica a partir de maderadura.
NO91910990A NO910990L (no) 1988-09-14 1991-03-13 Fremgangsmaate for fremstilling av kjemimekanisk masse fraloevved.
FI911242A FI911242A0 (fi) 1988-09-14 1991-03-13 Foerfarande foer framstaellning av kemimekaniska massa av loevtraed.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8803244A SE460124B (sv) 1988-09-14 1988-09-14 Saett foer framstaellning av kemimekanisk massa av loevved

Publications (2)

Publication Number Publication Date
SE8803244D0 true SE8803244D0 (sv) 1988-09-14
SE460124B SE460124B (sv) 1989-09-11

Family

ID=20373326

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8803244A SE460124B (sv) 1988-09-14 1988-09-14 Saett foer framstaellning av kemimekanisk massa av loevved

Country Status (8)

Country Link
EP (1) EP0434696A1 (sv)
AU (1) AU616999B2 (sv)
BR (1) BR8907631A (sv)
CA (1) CA1334240C (sv)
ES (1) ES2017145A6 (sv)
FI (1) FI911242A0 (sv)
SE (1) SE460124B (sv)
WO (1) WO1990002835A1 (sv)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2634233B1 (fr) * 1988-07-12 1995-04-14 Atochem Procede de fabrication de pates chimicothermomecaniques blanchies
US6284727B1 (en) 1993-04-07 2001-09-04 Scios, Inc. Prolonged delivery of peptides
US7384502B2 (en) * 2002-12-24 2008-06-10 Nippon Paper Industries Co., Ltd. Process for impregnating, refining, and bleaching wood chips having low bleachability to prepare mechanical pulps having high brightness
CN100545347C (zh) * 2006-03-17 2009-09-30 中国科学院大连化学物理研究所 一种cmp法造纸制浆的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE413684C (sv) * 1974-09-23 1987-05-18 Mo Och Domsjoe Ab Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE454186C (sv) * 1985-03-13 1989-09-25 Eka Nobel Ab Saett foer framstaellning av kemimekanisk massa
SE456430B (sv) * 1985-11-06 1988-10-03 Sunds Defibrator Sett for framstellning av mekanisk massa
US4718980A (en) * 1985-12-30 1988-01-12 Weyerhaeuser Company Interstage treatment of mechanical pulp
DE3802401A1 (de) * 1988-01-28 1989-08-03 Degussa Verfahren zur herstellung von halbgebleichtem kraftzellstoff

Also Published As

Publication number Publication date
SE460124B (sv) 1989-09-11
WO1990002835A1 (en) 1990-03-22
CA1334240C (en) 1995-02-07
AU4037489A (en) 1990-04-02
EP0434696A1 (en) 1991-07-03
ES2017145A6 (es) 1991-01-01
AU616999B2 (en) 1991-11-14
BR8907631A (pt) 1991-07-30
FI911242A0 (fi) 1991-03-13

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