ATE31249T1 - Verfahren und vorrichtung zum mischen von pulpe mit gasen. - Google Patents

Verfahren und vorrichtung zum mischen von pulpe mit gasen.

Info

Publication number
ATE31249T1
ATE31249T1 AT81902540T AT81902540T ATE31249T1 AT E31249 T1 ATE31249 T1 AT E31249T1 AT 81902540 T AT81902540 T AT 81902540T AT 81902540 T AT81902540 T AT 81902540T AT E31249 T1 ATE31249 T1 AT E31249T1
Authority
AT
Austria
Prior art keywords
pulp
oxygen
mixer
washer
chlorine
Prior art date
Application number
AT81902540T
Other languages
English (en)
Inventor
Howard R Battan
Joseph M Bentvelzen
Henry Bepple
Gerald D Crosby
John A Fleck
Dennis H Justice
Michael D Meredith
Louis O Torregrossa
Original Assignee
Weyerhaeuser Co
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 Weyerhaeuser Co filed Critical Weyerhaeuser Co
Application granted granted Critical
Publication of ATE31249T1 publication Critical patent/ATE31249T1/de

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Earth Drilling (AREA)
  • Shovels (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
AT81902540T 1981-09-04 1981-09-04 Verfahren und vorrichtung zum mischen von pulpe mit gasen. ATE31249T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP81902540A EP0087412B1 (de) 1981-09-04 1981-09-04 Verfahren und vorrichtung zum mischen von pulpe mit gasen
PCT/US1981/001187 WO1983000816A1 (en) 1981-09-04 1981-09-04 Method and apparatus for mixing pulp with oxygen

Publications (1)

Publication Number Publication Date
ATE31249T1 true ATE31249T1 (de) 1987-12-15

Family

ID=22161409

Family Applications (1)

Application Number Title Priority Date Filing Date
AT81902540T ATE31249T1 (de) 1981-09-04 1981-09-04 Verfahren und vorrichtung zum mischen von pulpe mit gasen.

Country Status (8)

Country Link
EP (1) EP0087412B1 (de)
JP (1) JPS58501328A (de)
AT (1) ATE31249T1 (de)
BR (1) BR8109040A (de)
DE (1) DE3176561D1 (de)
FI (1) FI74497C (de)
NO (1) NO831429L (de)
WO (1) WO1983000816A1 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI89516B (fi) 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
US20170175329A1 (en) * 2015-12-17 2017-06-22 Nicole Rumore Methods for oxygen delignification and ozone bleaching of pulp
CN114326573B (zh) * 2021-12-24 2023-10-10 浙江华章科技有限公司 一种基于plc***的连续配浆方法及***
CN117684408B (zh) * 2024-02-02 2024-05-14 汶瑞机械(山东)有限公司 一种刮料器

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1591070A (en) * 1925-02-27 1926-07-06 Robert B Wolf Bleaching apparatus
US1827710A (en) * 1928-07-28 1931-10-13 Leyst-Kuchenmeister Carl Process for treating fibrous materials
US2516447A (en) * 1947-02-24 1950-07-25 Elmer R Burling Method and apparatus for chemical treatment
US2772138A (en) * 1952-12-31 1956-11-27 Hercules Powder Co Ltd Continuous bleaching process
US3293117A (en) * 1963-03-27 1966-12-20 Improved Machinery Inc High density pulp mixing
CA834629A (en) * 1966-09-30 1970-02-17 Amiel W. Brinkley, Jr. Rapid high consistency bleaching of pulp
SE355614B (de) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
JPS5111681A (de) * 1974-07-19 1976-01-29 Sanyo Electric Co
SE389351B (sv) * 1975-03-14 1976-11-01 Kamyr Ab Sett och anordning for fordelning och inblandning av gas och/eller vetska i massasuspensioner av hog koncentration.
SE403916B (sv) * 1975-06-04 1978-09-11 Rolf Bertil Reinhall Anordning vid malapparater for lignocellulosahaltigt material
JPS52114702A (en) * 1976-03-19 1977-09-26 Toyo Pulp Co Ltd Process and device for treating cellulose material
US4198266A (en) * 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
US4363697A (en) * 1979-12-03 1982-12-14 The Black Clawson Company Method for medium consistency oxygen delignification of pulp

Also Published As

Publication number Publication date
JPS58501328A (ja) 1983-08-11
BR8109040A (pt) 1983-09-06
DE3176561D1 (en) 1988-01-21
FI831474L (fi) 1983-04-29
WO1983000816A1 (en) 1983-03-17
EP0087412B1 (de) 1987-12-09
FI74497B (fi) 1987-10-30
FI74497C (fi) 1988-02-08
FI831474A0 (fi) 1983-04-29
NO831429L (no) 1983-04-22
EP0087412A4 (de) 1985-06-10
EP0087412A1 (de) 1983-09-07

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
EEIH Change in the person of patent owner
REN Ceased due to non-payment of the annual fee