SE373397B - METHOD AND DEVICE FOR IMPROVING THE BLEACHING PROCESS WHEN BLANKING CELLULOSA MASS WITH AN ACID CONTAINING GAS - Google Patents

METHOD AND DEVICE FOR IMPROVING THE BLEACHING PROCESS WHEN BLANKING CELLULOSA MASS WITH AN ACID CONTAINING GAS

Info

Publication number
SE373397B
SE373397B SE7204251A SE425172A SE373397B SE 373397 B SE373397 B SE 373397B SE 7204251 A SE7204251 A SE 7204251A SE 425172 A SE425172 A SE 425172A SE 373397 B SE373397 B SE 373397B
Authority
SE
Sweden
Prior art keywords
cellulosa
blanking
improving
mass
containing gas
Prior art date
Application number
SE7204251A
Other languages
Swedish (sv)
Other versions
SE373397C (en
Inventor
G Norberg
H O Samuelson
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
Priority to SE7204251A priority Critical patent/SE373397C/en
Priority to CA166,648A priority patent/CA1001360A/en
Priority to FI90273A priority patent/FI60733C/en
Priority to FR7310381A priority patent/FR2177877A1/en
Priority to US00344291A priority patent/US3843473A/en
Priority to SU731900403A priority patent/SU847932A3/en
Priority to JP3585773A priority patent/JPS5116524B2/ja
Publication of SE373397B publication Critical patent/SE373397B/en
Publication of SE373397C publication Critical patent/SE373397C/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
    • 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
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE7204251A 1971-08-23 1972-03-30 WAY TO IMPROVE THE WHEATING WHITING WHEN BLINDING CELLULOSAMASSA WITH AN ACID CONTAINING GAS SE373397C (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7204251A SE373397C (en) 1972-03-30 1972-03-30 WAY TO IMPROVE THE WHEATING WHITING WHEN BLINDING CELLULOSAMASSA WITH AN ACID CONTAINING GAS
CA166,648A CA1001360A (en) 1972-03-30 1973-03-21 Method and apparatus for improving the bleaching sequence in cellulose pulp bleaching processes
FI90273A FI60733C (en) 1972-03-30 1973-03-22 SAET OCH ANORDNING FOER ATT FOERBAETTRA BLEKNINGSFOERLOPPET VID BLEKNING AV CELLULOSAMASSA
FR7310381A FR2177877A1 (en) 1972-03-30 1973-03-22 Bleaching cellulose pulp - with impregnation of pulp prior to bleaching to improve props
US00344291A US3843473A (en) 1971-08-23 1973-03-23 Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
SU731900403A SU847932A3 (en) 1972-03-30 1973-03-29 Method of cellulose mass treatment
JP3585773A JPS5116524B2 (en) 1972-03-30 1973-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7204251A SE373397C (en) 1972-03-30 1972-03-30 WAY TO IMPROVE THE WHEATING WHITING WHEN BLINDING CELLULOSAMASSA WITH AN ACID CONTAINING GAS

Publications (2)

Publication Number Publication Date
SE373397B true SE373397B (en) 1975-02-03
SE373397C SE373397C (en) 1984-02-06

Family

ID=20263802

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7204251A SE373397C (en) 1971-08-23 1972-03-30 WAY TO IMPROVE THE WHEATING WHITING WHEN BLINDING CELLULOSAMASSA WITH AN ACID CONTAINING GAS

Country Status (6)

Country Link
JP (1) JPS5116524B2 (en)
CA (1) CA1001360A (en)
FI (1) FI60733C (en)
FR (1) FR2177877A1 (en)
SE (1) SE373397C (en)
SU (1) SU847932A3 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE394466C (en) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag SEE CONTINUOUS ALKALIC DELIGNIFICATION OF LIGNOCELLULOSAMENTAL MATERIAL IN TWO OR MULTIPLE STEPS, WHICH ARE LAST WITH Oxygen
JPS583074B2 (en) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 Palpuno Kasan Kabutsu Hiyou Hakuhou
ATE151824T1 (en) * 1990-10-24 1997-05-15 Beloit Technologies Inc DIGESTATION PROCESS

Also Published As

Publication number Publication date
FR2177877B1 (en) 1975-08-22
SU847932A3 (en) 1981-07-15
SE373397C (en) 1984-02-06
JPS5116524B2 (en) 1976-05-25
CA1001360A (en) 1976-12-14
FR2177877A1 (en) 1973-11-09
FI60733B (en) 1981-11-30
FI60733C (en) 1982-03-10
JPS497503A (en) 1974-01-23

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