FI20010008A - Förfarande för framställning av en kemisk massa - Google Patents

Förfarande för framställning av en kemisk massa Download PDF

Info

Publication number
FI20010008A
FI20010008A FI20010008A FI20010008A FI20010008A FI 20010008 A FI20010008 A FI 20010008A FI 20010008 A FI20010008 A FI 20010008A FI 20010008 A FI20010008 A FI 20010008A FI 20010008 A FI20010008 A FI 20010008A
Authority
FI
Finland
Prior art keywords
preparing
chemical pulp
pulp
chemical
Prior art date
Application number
FI20010008A
Other languages
English (en)
Finnish (fi)
Other versions
FI20010008A0 (sv
Inventor
Jian Er Jiang
Kaj Henricson
Original Assignee
Andritz Ahlstrom 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
Priority claimed from US09/479,051 external-priority patent/US20020139497A1/en
Application filed by Andritz Ahlstrom Inc filed Critical Andritz Ahlstrom Inc
Publication of FI20010008A0 publication Critical patent/FI20010008A0/sv
Publication of FI20010008A publication Critical patent/FI20010008A/sv

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
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FI20010008A 2000-01-07 2001-01-03 Förfarande för framställning av en kemisk massa FI20010008A (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/479,051 US20020139497A1 (en) 1996-06-05 2000-01-07 Metal extraction prior to chelation in chemical pulp production

Publications (2)

Publication Number Publication Date
FI20010008A0 FI20010008A0 (sv) 2001-01-03
FI20010008A true FI20010008A (sv) 2001-07-08

Family

ID=23902464

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20010008A FI20010008A (sv) 2000-01-07 2001-01-03 Förfarande för framställning av en kemisk massa

Country Status (4)

Country Link
JP (1) JP2001295189A (sv)
CA (1) CA2330409A1 (sv)
FI (1) FI20010008A (sv)
SE (1) SE0100039L (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5114629B2 (ja) * 2008-02-06 2013-01-09 サンノプコ株式会社 リグノセルロース物質蒸解用蒸解助剤及びパルプの製造方法

Also Published As

Publication number Publication date
SE0100039D0 (sv) 2001-01-04
FI20010008A0 (sv) 2001-01-03
CA2330409A1 (en) 2001-07-07
JP2001295189A (ja) 2001-10-26
SE0100039L (sv) 2001-07-08

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