BR8109040A - Tratamento de polpa com oxigenio - Google Patents

Tratamento de polpa com oxigenio

Info

Publication number
BR8109040A
BR8109040A BR8109040A BR8109040A BR8109040A BR 8109040 A BR8109040 A BR 8109040A BR 8109040 A BR8109040 A BR 8109040A BR 8109040 A BR8109040 A BR 8109040A BR 8109040 A BR8109040 A BR 8109040A
Authority
BR
Brazil
Prior art keywords
pulp
oxygen
mixer
washer
chlorine
Prior art date
Application number
BR8109040A
Other languages
English (en)
Inventor
Battan Howard Rand
Bentvelzen Joseph Maria
Crosby Gerald Donovan
Fleck John Acroyd
Justice Dennis Howard
Meredith Michael Dean
Torregrossa Louis Otto
Bepple Henry
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
Publication of BR8109040A publication Critical patent/BR8109040A/pt

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)
BR8109040A 1981-09-04 1981-09-04 Tratamento de polpa com oxigenio BR8109040A (pt)

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
BR8109040A true BR8109040A (pt) 1983-09-06

Family

ID=22161409

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8109040A BR8109040A (pt) 1981-09-04 1981-09-04 Tratamento de polpa com oxigenio

Country Status (8)

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

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 (pt) * 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 (pt) * 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
EP0087412A1 (en) 1983-09-07
EP0087412B1 (en) 1987-12-09
WO1983000816A1 (en) 1983-03-17
FI831474L (fi) 1983-04-29
ATE31249T1 (de) 1987-12-15
NO831429L (no) 1983-04-22
JPS58501328A (ja) 1983-08-11
EP0087412A4 (en) 1985-06-10
FI74497C (fi) 1988-02-08
FI831474A0 (fi) 1983-04-29
FI74497B (fi) 1987-10-30
DE3176561D1 (en) 1988-01-21

Similar Documents

Publication Publication Date Title
CA1235257B (en) Method at bleaching ligno-cellulose containing material
DE69012563D1 (de) Vorrichtung und verfahren zur behandlung von pulpe.
ES2147014T3 (es) Metodo y aparato para producir dioxido de titanio.
SE9503220L (sv) Förfarande för avlägsnande av kväveoxider från rögaserna i en cellulosafabrik
JPH02293486A (ja) パルプ漂白法
CA1339594C (en) Procedure for the bleaching of pulp involving enzyme treatment and the use in the oxidation stage of a chemical with at least 50% chlorine dioxide content
ES2050566A1 (es) "metodo y aparato para el tratamiento de materiales fibrosos con un reactivo gaseoso"
BR8109040A (pt) Tratamento de polpa com oxigenio
SE9901720D0 (sv) Förfarande för avlägsnande av kväveoxider från rökgaserna i en återvinningspanna
DE2819994A1 (de) Verfahren zur entfernung von schwefeldioxid aus abwaessern und gegebenenfalls abgasen
KR970020150A (ko) 소각로 배가스 중 유해성분 제거방법과 그 장치
SE442523B (sv) Forfarande for att forhindra utslepp av svavelinnehallande gaser vid framstellning av kemisk cellulosamassa
BR0101850A (pt) Método para tratar polpa
JPS5739180A (en) Method for adding hydrogen peroxide in continuously pickling stainless steel strip
CA2170553A1 (en) Treatment of filtrates in peroxide bleaching of pulp
US20230241552A1 (en) A method and arrangement for managing and controlling nitrogen emission from a cyclic liquor flow system in a pulp mill
FI85992C (fi) Foerfarande vid framstaellning av cellulosamassa.
JPS5771623A (en) Treatment of waste ozone
JPS592821Y2 (ja) 二酸化塩素ガスの処理装置
JPS5849614A (ja) 硫化ソ−ダの酸化方法
FI62040B (fi) Foerfarande foer tvaettning av cyanidhaltiga ugnsgaser som uppstaor i metallurgisk industri
JPS56121686A (en) Poison neutralization and reutilization of liquid absorbed hydrogen cyanide
JPS5750595A (en) Treatment of waste water dissolved trichloroethylene
SE8500342D0 (sv) Forfarande for behandling av cellulosamassa
JPS5522374A (en) Purification of gas