DE3176561D1 - Method and apparatus for mixing pulp with gases - Google Patents

Method and apparatus for mixing pulp with gases

Info

Publication number
DE3176561D1
DE3176561D1 DE8181902540T DE3176561T DE3176561D1 DE 3176561 D1 DE3176561 D1 DE 3176561D1 DE 8181902540 T DE8181902540 T DE 8181902540T DE 3176561 T DE3176561 T DE 3176561T DE 3176561 D1 DE3176561 D1 DE 3176561D1
Authority
DE
Germany
Prior art keywords
pulp
oxygen
members
range
leading
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
DE8181902540T
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
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Metso Paper Pori Oy
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 DE3176561D1 publication Critical patent/DE3176561D1/de
Expired legal-status Critical Current

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)
  • Shovels (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Earth Drilling (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
DE8181902540T 1981-09-04 1981-09-04 Method and apparatus for mixing pulp with gases Expired DE3176561D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
DE3176561D1 true DE3176561D1 (en) 1988-01-21

Family

ID=22161409

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8181902540T Expired DE3176561D1 (en) 1981-09-04 1981-09-04 Method and apparatus for mixing pulp with gases

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系统的连续配浆方法及系统
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
FI831474L (fi) 1983-04-29
FI831474A0 (fi) 1983-04-29
EP0087412B1 (de) 1987-12-09
ATE31249T1 (de) 1987-12-15
EP0087412A4 (de) 1985-06-10
BR8109040A (pt) 1983-09-06
WO1983000816A1 (en) 1983-03-17
FI74497B (fi) 1987-10-30
EP0087412A1 (de) 1983-09-07
JPS58501328A (ja) 1983-08-11
FI74497C (fi) 1988-02-08
NO831429L (no) 1983-04-22

Similar Documents

Publication Publication Date Title
EP0297912A3 (en) Process for immobilization
FI884267A0 (fi) Menetelmä paperimassojen käsittelemiseksi otsonilla ja reaktori tämän menetelmän soveltamiseksi
NZ194032A (en) Process and apparatus for treating wood pulp with oxygen in-line mixer and washing the treated pulp
ATE56373T1 (de) Verfahren zur rauchgasentschwefelung.
DE3176561D1 (en) Method and apparatus for mixing pulp with gases
GB2106090A (en) Method of treating end products from flue-gas desulphurization
NZ194033A (en) Process and apparatus for treating wood pulp with oxygen in an in-line mixer and storing the treated pulp
EP0078412A3 (en) Method and apparatus for regenerating physically acting organic washing liquors
FI103403B1 (fi) Menetelmä veden käsittelemiseksi ja laite tätä varten
DE3161211D1 (en) Process for ennobling paper and paper-board
DE3261091D1 (en) Reactivation process for oxidation catalysts that contain vanadium
EP0149202A3 (en) Horizontal container for the treatment of wine must
JPS57147498A (en) Anaerobic treating apparatus
ZA902703B (en) A process for treating a fibre pulp with a chemical solution
CS274630B2 (en) Method of sulphur dioxide drying
GB1435105A (en) Wet oxidation process
Vakurova et al. Removing halides from waste water
Horst et al. Operational Changes Benefit Odor Management
Preistyi Application of Carbon Blocks for Both the Deoxidation and Stabilization of Oxygen Content in Rimming Steels.(Retroactive Coverage)
ATE23194T1 (de) Verfahren und reagenz zur bestimmung von glycerin.
DE3560615D1 (en) Process and apparatus for the desulfurization of fumes
Brotankova et al. Tinned Sheets in CSSR. Assortment Extension and Quality Improvement
Kavalcova Energy Requirements of Cutting Processes Based on Failure Properties of Steels
Brennenstuhl et al. Manganese Sulphide as a Cause of Defects in Electroplating
Mingalev et al. Mathematically-Planned Experiments for Establishing the Factors Controlling the Process of Corrosion of Steel in Peat

Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: SUNDS DEFIBRATOR PORI OY, PORI, FI

8328 Change in the person/name/address of the agent

Free format text: GRUENECKER, A., DIPL.-ING. KINKELDEY, H., DIPL.-ING. DR.-ING. STOCKMAIR, W., DIPL.-ING. DR.-ING. AE.E. CAL TECH SCHUMANN, K., DIPL.-PHYS. DR.RER.NAT. JAKOB, P., DIPL.-ING. BEZOLD, G., DIPL.-CHEM. DR.RER.NAT. MEISTER, W., DIPL.-ING. HILGERS, H., DIPL.-ING. MEYER-PLATH, H., DIPL.-ING. DR.-ING. EHNOLD, A., DIPL.-ING. SCHUSTER, T., DIPL.-PHYS. GOLDBACH, K., DIPL.-ING.DR.-ING. AUFENANGER, M., DIPL.-ING. KLITZSCH, G., DIPL.-ING., PAT.-ANWAELTE, 80538 MUENCHEN

8339 Ceased/non-payment of the annual fee