AU2933089A - Process for the pre-treatment of chips - Google Patents

Process for the pre-treatment of chips

Info

Publication number
AU2933089A
AU2933089A AU29330/89A AU2933089A AU2933089A AU 2933089 A AU2933089 A AU 2933089A AU 29330/89 A AU29330/89 A AU 29330/89A AU 2933089 A AU2933089 A AU 2933089A AU 2933089 A AU2933089 A AU 2933089A
Authority
AU
Australia
Prior art keywords
chips
treatment
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.)
Abandoned
Application number
AU29330/89A
Inventor
Sture Backlund
Ove Bodin
Per-Olov Lindblad
Solveig Norden
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SCA Development AB
Original Assignee
SCA Development AB
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 SCA Development AB filed Critical SCA Development AB
Publication of AU2933089A publication Critical patent/AU2933089A/en
Abandoned legal-status Critical Current

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
    • D21C1/04—Pretreatment of the finely-divided materials before digesting with acid reacting compounds
AU29330/89A 1988-03-01 1988-12-27 Process for the pre-treatment of chips Abandoned AU2933089A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8800713A SE466964B (en) 1988-03-01 1988-03-01 PRE-TREATMENT OF CHIP MEDIUM SULFUR Dioxide DURING SULPHAT Pulp PREPARATION
SE8800713 1988-03-01

Publications (1)

Publication Number Publication Date
AU2933089A true AU2933089A (en) 1989-09-22

Family

ID=20371539

Family Applications (1)

Application Number Title Priority Date Filing Date
AU29330/89A Abandoned AU2933089A (en) 1988-03-01 1988-12-27 Process for the pre-treatment of chips

Country Status (3)

Country Link
AU (1) AU2933089A (en)
SE (1) SE466964B (en)
WO (1) WO1989008165A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU779711B2 (en) * 2000-02-09 2005-02-10 Akzo Nobel N.V. Pulping process
US6752904B2 (en) 2000-02-09 2004-06-22 Akzo Nobel N.V. Process for removal of lignin from lignocellulosic material
EP1130155A1 (en) * 2000-03-01 2001-09-05 Akzo Nobel N.V. Pulping process
WO2019090414A1 (en) 2017-11-09 2019-05-16 Iogen Corporation Low temperature pretreatment with sulfur dioxide
CA3078822A1 (en) 2017-11-09 2019-05-16 Iogen Corporation Low temperature sulfur dioxide pretreatment
EP3775243A4 (en) 2018-04-06 2022-02-09 Iogen Corporation Pretreatment with lignosulfonic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2190194A (en) * 1936-10-28 1940-02-13 Brown Co Chemical pulping of raw cellulosic material
US4211605A (en) * 1978-08-03 1980-07-08 Canadian International Paper Company High yield chemimechanical pulping processes

Also Published As

Publication number Publication date
SE466964B (en) 1992-05-04
SE8800713D0 (en) 1988-03-01
SE8800713L (en) 1989-09-02
WO1989008165A1 (en) 1989-09-08

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