FI842608A - Foerfarande foer delignifiering av kemisk massa. - Google Patents

Foerfarande foer delignifiering av kemisk massa. Download PDF

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Publication number
FI842608A
FI842608A FI842608A FI842608A FI842608A FI 842608 A FI842608 A FI 842608A FI 842608 A FI842608 A FI 842608A FI 842608 A FI842608 A FI 842608A FI 842608 A FI842608 A FI 842608A
Authority
FI
Finland
Prior art keywords
kemisk
massa
foerfarande foer
delignifiering
foer delignifiering
Prior art date
Application number
FI842608A
Other languages
English (en)
Other versions
FI74053B (fi
FI842608A0 (fi
FI74053C (fi
Inventor
Peder Johan Kleppe
Sverre Storebraoten
Original Assignee
Peterson & Son As M
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 Peterson & Son As M filed Critical Peterson & Son As M
Publication of FI842608A0 publication Critical patent/FI842608A0/fi
Publication of FI842608A publication Critical patent/FI842608A/fi
Publication of FI74053B publication Critical patent/FI74053B/fi
Application granted granted Critical
Publication of FI74053C publication Critical patent/FI74053C/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
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Mechanical Treatment Of Semiconductor (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
FI842608A 1983-06-29 1984-06-28 Foerfarande foer delignifiering av kemisk massa. FI74053C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
NO832370 1983-06-29
NO832370A NO152907C (no) 1983-06-29 1983-06-29 Fremgangsmaate til delignifisering av kjemisk masse.

Publications (4)

Publication Number Publication Date
FI842608A0 FI842608A0 (fi) 1984-06-28
FI842608A true FI842608A (fi) 1984-12-30
FI74053B FI74053B (fi) 1987-08-31
FI74053C FI74053C (fi) 1987-12-10

Family

ID=19887140

Family Applications (1)

Application Number Title Priority Date Filing Date
FI842608A FI74053C (fi) 1983-06-29 1984-06-28 Foerfarande foer delignifiering av kemisk massa.

Country Status (6)

Country Link
US (1) US4560437A (fi)
AT (1) AT386425B (fi)
CA (1) CA1221809A (fi)
FI (1) FI74053C (fi)
NO (1) NO152907C (fi)
SE (1) SE461991B (fi)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4904332A (en) * 1985-12-23 1990-02-27 Cellucap Manufacturing Company Apparatus for producing disposable headdress
US5114534A (en) * 1990-05-16 1992-05-19 Georgia-Pacific Corporation Drying cellulosic pulp
ES2104916T3 (es) * 1991-05-13 1997-10-16 H A Simons Ltd Preparacion de lejia blanca y procedimiento para pasta papelera.
US5227021A (en) * 1992-04-21 1993-07-13 A. Ahlstrom Corporation Method for producing pulp using medium consistency mixer for defiberizing pulp
SE9402726L (sv) * 1994-08-16 1995-08-28 Kvaerner Pulping Tech Bleksekvens för kemisk massa innefattande ett sulfonerande bleksteg
FI105701B (fi) * 1995-10-20 2000-09-29 Ahlstrom Machinery Oy Menetelmä ja laitteisto massan käsittelemiseksi
AR018460A1 (es) 1998-06-12 2001-11-14 Shell Int Research MÉTODO Y DISPOSICIoN PARA MEDIR DATOS DE UN CONDUCTO DE TRANSPORTE DE FLUIDO Y APARATO SENSOR UTILIZADO EN DICHA DISPOSICIoN.
US20040200589A1 (en) * 2003-04-08 2004-10-14 Herring William J. Method of making pulp having high hemicellulose content
US20040200587A1 (en) * 2003-04-08 2004-10-14 Herring William J. Cellulose pulp having increased hemicellulose content
US8980051B2 (en) * 2009-04-24 2015-03-17 International Paper Company Sulfonation of pulp produced by alkali pulping process
US8863820B2 (en) 2010-05-12 2014-10-21 Invodane Engineering Ltd Measurement device for heat exchanger and process for measuring performance of a heat exchanger
AR091998A1 (es) 2012-05-03 2015-03-18 Annikki Gmbh Procedimiento de preparacion de celulosa con baja concentracion de lignina

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1601408A (fi) * 1967-06-20 1970-08-24
US3647363A (en) * 1969-08-06 1972-03-07 Owens Illinois Inc Recovery of sulfur values from flue gases with oxidized neutral sulfite green liquor
US3717545A (en) * 1970-07-17 1973-02-20 Texaco Inc Process for treating waste liquors
CA1073161A (en) * 1975-09-05 1980-03-11 Canadian Industries Limited Delignification process
US4145246A (en) * 1976-07-19 1979-03-20 Crown Zellerbach Corporation Process for making high-strength, high-yield sulfite-modified thermomechanical pulp and a linerboard composition produced therefrom

Also Published As

Publication number Publication date
NO832370L (no) 1985-01-02
FI74053B (fi) 1987-08-31
AT386425B (de) 1988-08-25
US4560437A (en) 1985-12-24
NO152907B (no) 1985-09-02
FI842608A0 (fi) 1984-06-28
CA1221809A (en) 1987-05-19
ATA207684A (de) 1988-01-15
SE8403372L (sv) 1984-12-30
SE461991B (sv) 1990-04-23
FI74053C (fi) 1987-12-10
SE8403372D0 (sv) 1984-06-25
NO152907C (no) 1985-12-11

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: M. PETERSON & SOEN A/S