SE373397C - Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas - Google Patents

Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas

Info

Publication number
SE373397C
SE373397C SE7204251A SE425172A SE373397C SE 373397 C SE373397 C SE 373397C SE 7204251 A SE7204251 A SE 7204251A SE 425172 A SE425172 A SE 425172A SE 373397 C SE373397 C SE 373397C
Authority
SE
Sweden
Prior art keywords
wheating
cellulosamassa
whiting
blinding
improve
Prior art date
Application number
SE7204251A
Other languages
English (en)
Swedish (sv)
Other versions
SE373397B (sv
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/xx
Priority to CA166,648A priority patent/CA1001360A/en
Priority to FI90273A priority patent/FI60733C/fi
Priority to FR7310381A priority patent/FR2177877A1/fr
Priority to US00344291A priority patent/US3843473A/en
Priority to SU731900403A priority patent/SU847932A3/ru
Priority to JP3585773A priority patent/JPS5116524B2/ja
Publication of SE373397B publication Critical patent/SE373397B/xx
Publication of SE373397C publication Critical patent/SE373397C/xx

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 Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas SE373397C (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE7204251A SE373397C (sv) 1972-03-30 1972-03-30 Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande 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 (fi) 1972-03-30 1973-03-22 Saett 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 (ru) 1972-03-30 1973-03-29 Способ обработки целлюлозной массы
JP3585773A JPS5116524B2 (OSRAM) 1972-03-30 1973-03-30

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7204251A SE373397C (sv) 1972-03-30 1972-03-30 Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas

Publications (2)

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

Family

ID=20263802

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7204251A SE373397C (sv) 1971-08-23 1972-03-30 Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas

Country Status (6)

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

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE394466C (sv) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas
JPS583074B2 (ja) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 パルプノ カサンカブツヒヨウハクホウ
ATE151824T1 (de) * 1990-10-24 1997-05-15 Beloit Technologies Inc Aufschlussverfahren

Also Published As

Publication number Publication date
CA1001360A (en) 1976-12-14
FR2177877B1 (OSRAM) 1975-08-22
FR2177877A1 (en) 1973-11-09
SU847932A3 (ru) 1981-07-15
FI60733C (fi) 1982-03-10
SE373397B (sv) 1975-02-03
JPS497503A (OSRAM) 1974-01-23
FI60733B (fi) 1981-11-30
JPS5116524B2 (OSRAM) 1976-05-25

Similar Documents

Publication Publication Date Title
SE330519C (sv) Sett vid gruvbrytning enligt dagbrottmetoden
FI53741C (fi) Anordning vid ljudisolerande mellanvaeggar
FI55392B (fi) Anordning foer uppfaongande av damm vid bergborrning
SE409670B (sv) Stotdempande flerskiktspase samt sett att tillverka den stetdempande flerskiktspasen
SE393126B (sv) Sett vid tillverkning av kub-pa-kant-orienterat kiselstal
FI56070C (fi) Anordning vid en i en avfallsfoerbraenningsugn anordnad luftgenomfoeringspassage
SE7504337L (sv) Sett att framstella prostansyraderivat.
SE421371B (sv) Sett att framstella leverkorv
SE382215B (sv) Sett att framstella kromanderivat
SE399270B (sv) Sett att framstella spirolaktonsteroider
SE397679B (sv) Sett att framstella kinazolinonderivat
SE373397C (sv) Sett att forbettra blekningsforloppet vid bleknig av cellulosamassa med en syre innehallande gas
SE405364B (sv) Sett att framstella 7-substituerade steroider ur ostran-serien
FI53747C (fi) Anordning vid centrifugalpumpar
FI53928C (fi) Montering av omroeraren foer slamtraoget vid ett trumfilter
FI56152B (fi) Oeppningsanordning vid foerpackningar
FI56195C (fi) Foerfaringssaett vid kallstraeckning av tryckkaerl
SE7404757L (sv) Sett vid tillverkning av rorholjen.
FI55390B (fi) Anordning vid inkaststos exempelvis foer sop- eller tvaettnedkast
SE7404758L (sv) Sett vid tillverkning av holjen for ackumulatorelektroder.
SE430246C (sv) Sett att forhindra uppkomsten av saltutslag vid framstellning av angherdad gasbetong
SE414499B (sv) Sett att framstella nya penicilliner
SE7508906L (sv) Sett att framstella prostansyraderivat.
FI54175C (fi) Anordning vid golvbrunnar
SE395453B (sv) Sett att framstella nitrokinazolinonderivat