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SE0100039L - Metallextraktion före kelatering vid tillverkning av kemisk pappersmassa - Google Patents

Metallextraktion före kelatering vid tillverkning av kemisk pappersmassa

Info

Publication number
SE0100039L
SE0100039L SE0100039A SE0100039A SE0100039L SE 0100039 L SE0100039 L SE 0100039L SE 0100039 A SE0100039 A SE 0100039A SE 0100039 A SE0100039 A SE 0100039A SE 0100039 L SE0100039 L SE 0100039L
Authority
SE
Sweden
Prior art keywords
prior
metals
extraction
bleaching
during
Prior art date
Application number
SE0100039A
Other languages
English (en)
Other versions
SE0100039D0 (sv
Inventor
Jian Er Jiang
Kaj O 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 SE0100039D0 publication Critical patent/SE0100039D0/sv
Publication of SE0100039L publication Critical patent/SE0100039L/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)
SE0100039A 2000-01-07 2001-01-04 Metallextraktion före kelatering vid tillverkning av kemisk pappersmassa SE0100039L (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
SE0100039D0 SE0100039D0 (sv) 2001-01-04
SE0100039L true SE0100039L (sv) 2001-07-08

Family

ID=23902464

Family Applications (1)

Application Number Title Priority Date Filing Date
SE0100039A SE0100039L (sv) 2000-01-07 2001-01-04 Metallextraktion före kelatering vid tillverkning av kemisk pappersmassa

Country Status (4)

Country Link
JP (1) JP2001295189A (sv)
CA (1) CA2330409A1 (sv)
FI (1) FI20010008L (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
CA2330409A1 (en) 2001-07-07
FI20010008A7 (sv) 2001-07-08
SE0100039D0 (sv) 2001-01-04
FI20010008A0 (sv) 2001-01-03
FI20010008L (sv) 2001-07-08
JP2001295189A (ja) 2001-10-26

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Legal Events

Date Code Title Description
NAV Patent application has lapsed