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FI20010854L - Method for processing cellulosic material - Google Patents

Method for processing cellulosic material Download PDF

Info

Publication number
FI20010854L
FI20010854L FI20010854A FI20010854A FI20010854L FI 20010854 L FI20010854 L FI 20010854L FI 20010854 A FI20010854 A FI 20010854A FI 20010854 A FI20010854 A FI 20010854A FI 20010854 L FI20010854 L FI 20010854L
Authority
FI
Finland
Prior art keywords
cellulosic material
processing cellulosic
processing
cellulosic
Prior art date
Application number
FI20010854A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI20010854A7 (en
FI20010854A0 (en
Inventor
C Bertil Stromberg
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 US09/568,962 external-priority patent/US6336993B1/en
Application filed by Andritz Ahlstrom Inc filed Critical Andritz Ahlstrom Inc
Publication of FI20010854A0 publication Critical patent/FI20010854A0/en
Publication of FI20010854A7 publication Critical patent/FI20010854A7/en
Publication of FI20010854L publication Critical patent/FI20010854L/en

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
    • D21C7/00—Digesters
    • D21C7/06—Feeding devices
FI20010854A 2000-05-11 2001-04-24 Method for processing cellulosic material FI20010854L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US09/568,962 US6336993B1 (en) 1996-10-25 2000-05-11 Metal removal from comminuted fibrous material during feeding

Publications (3)

Publication Number Publication Date
FI20010854A0 FI20010854A0 (en) 2001-04-24
FI20010854A7 FI20010854A7 (en) 2001-11-12
FI20010854L true FI20010854L (en) 2001-11-12

Family

ID=24273489

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20010854A FI20010854L (en) 2000-05-11 2001-04-24 Method for processing cellulosic material

Country Status (4)

Country Link
JP (1) JP2001316992A (en)
CA (1) CA2345759A1 (en)
FI (1) FI20010854L (en)
SE (1) SE0101554L (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE518957C2 (en) * 2002-01-24 2002-12-10 Kvaerner Pulping Tech Process for increasing the heating economy of the boiler system during continuous boiling
CA2455172C (en) * 2003-01-30 2010-02-23 Andritz Inc. Feeding comminuted fibrous material using high pressure screw and centrifugal pumps
JP5114629B2 (en) * 2008-02-06 2013-01-09 サンノプコ株式会社 Cooking aid for cooking lignocellulosic material and method for producing pulp
SE542430C2 (en) * 2017-09-19 2020-04-28 Domsjoe Fabriker Ab Removal of inorganic elements from wood chips
SE543151C2 (en) * 2018-07-02 2020-10-13 Valmet Oy Feeding system and method for feeding comminuted cellulosic material to a high-pressure treatment zone
FI129118B (en) * 2018-10-03 2021-07-30 Andritz Oy Method for feeding wood chips to a prehydrolysis reactor

Also Published As

Publication number Publication date
SE0101554L (en) 2001-11-12
JP2001316992A (en) 2001-11-16
CA2345759A1 (en) 2001-11-11
FI20010854A7 (en) 2001-11-12
SE0101554D0 (en) 2001-05-04
FI20010854A0 (en) 2001-04-24

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