FI61533C - Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering och/eller blekning av massa - Google Patents

Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering och/eller blekning av massa Download PDF

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Publication number
FI61533C
FI61533C FI752343A FI752343A FI61533C FI 61533 C FI61533 C FI 61533C FI 752343 A FI752343 A FI 752343A FI 752343 A FI752343 A FI 752343A FI 61533 C FI61533 C FI 61533C
Authority
FI
Finland
Prior art keywords
reaction
chemical
bleaching
chlorine
chemicals
Prior art date
Application number
FI752343A
Other languages
English (en)
Finnish (fi)
Other versions
FI61533B (fi
FI752343A (no
Inventor
John Rickard Bergstroem
Bengt Goeran Hultman
Astrid T P Dalborg
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Publication of FI752343A publication Critical patent/FI752343A/fi
Application granted granted Critical
Publication of FI61533B publication Critical patent/FI61533B/fi
Publication of FI61533C publication Critical patent/FI61533C/fi

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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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/228—Automation of the pulping processes
    • 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
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FI752343A 1974-09-05 1975-08-19 Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering och/eller blekning av massa FI61533C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7411247A SE384884C (sv) 1974-09-05 1974-09-05 Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering och/eller blekning av massa
SE7411247 1974-09-05

Publications (3)

Publication Number Publication Date
FI752343A FI752343A (no) 1976-03-06
FI61533B FI61533B (fi) 1982-04-30
FI61533C true FI61533C (fi) 1982-08-10

Family

ID=20322063

Family Applications (1)

Application Number Title Priority Date Filing Date
FI752343A FI61533C (fi) 1974-09-05 1975-08-19 Foerfarande foer reglering av tillfoerseln av reaktionskemikalier vid delignifiering och/eller blekning av massa

Country Status (7)

Country Link
JP (1) JPS5224121B2 (no)
BR (1) BR7505690A (no)
CA (1) CA1068054A (no)
FI (1) FI61533C (no)
FR (1) FR2288816A1 (no)
NO (1) NO145060C (no)
SE (1) SE384884C (no)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI80526C (fi) * 1986-09-08 1990-06-11 Savcor Consulting Oy Foerfarande foer styrning av cellulosakok.
SE455203B (sv) * 1986-10-20 1988-06-27 Eka Nobel Ab Forfarande for styrning av peroxidblekning av massa
US10400392B2 (en) * 2015-10-05 2019-09-03 Valmet Automation Oy Measurement apparatus and method

Also Published As

Publication number Publication date
JPS5153003A (no) 1976-05-11
FR2288816B1 (no) 1978-04-07
CA1068054A (en) 1979-12-18
FI61533B (fi) 1982-04-30
NO145060C (no) 1982-01-06
SE384884B (sv) 1976-05-24
JPS5224121B2 (no) 1977-06-29
DE2537143A1 (de) 1976-03-25
BR7505690A (pt) 1976-08-03
NO145060B (no) 1981-09-21
FR2288816A1 (fr) 1976-05-21
FI752343A (no) 1976-03-06
SE7411247L (sv) 1976-03-08
NO753037L (no) 1976-03-08
DE2537143B2 (de) 1977-05-18
SE384884C (sv) 1986-04-14

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: MO OCH DOMSJOE AKTIEBOLAG