BR8605636A - Processo para reacao de oxigenio com uma lama de polpa de celulose,processo para a misturacao de oxigenio em uma lama de polpa de celulose,processo para dispersao de um gas reativo por toda a lama de polpa,aparelho para reacao de oxigenio com uma polpa de celulose e aparelho para introducao de gas oxidante em uma lama de polpa - Google Patents

Processo para reacao de oxigenio com uma lama de polpa de celulose,processo para a misturacao de oxigenio em uma lama de polpa de celulose,processo para dispersao de um gas reativo por toda a lama de polpa,aparelho para reacao de oxigenio com uma polpa de celulose e aparelho para introducao de gas oxidante em uma lama de polpa

Info

Publication number
BR8605636A
BR8605636A BR8605636A BR8605636A BR8605636A BR 8605636 A BR8605636 A BR 8605636A BR 8605636 A BR8605636 A BR 8605636A BR 8605636 A BR8605636 A BR 8605636A BR 8605636 A BR8605636 A BR 8605636A
Authority
BR
Brazil
Prior art keywords
pulp
cellulose
mud
pulp mud
oxygen
Prior art date
Application number
BR8605636A
Other languages
English (en)
Portuguese (pt)
Inventor
Robert Gum Hong Lee
Derck Hornsey
Arthur S Perkins
Jack A Davidson
Original Assignee
Liquid Air Canada
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
Priority claimed from CA000507000A external-priority patent/CA1300320C/fr
Application filed by Liquid Air Canada filed Critical Liquid Air Canada
Publication of BR8605636A publication Critical patent/BR8605636A/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
    • D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/232—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids using flow-mixing means for introducing the gases, e.g. baffles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/23—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids
    • B01F23/237—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media
    • B01F23/2376—Mixing gases with liquids by introducing gases into liquid media, e.g. for producing aerated liquids characterised by the physical or chemical properties of gases or vapours introduced in the liquid media characterised by the gas being introduced
    • B01F23/23761—Aerating, i.e. introducing oxygen containing gas in liquids
    • B01F23/237612—Oxygen
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/313—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit
    • B01F25/3133—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced in the centre of the conduit characterised by the specific design of the injector
    • B01F25/31331—Perforated, multi-opening, with a plurality of holes
    • B01F25/313311—Porous injectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/30—Injector mixers
    • B01F25/31—Injector mixers in conduits or tubes through which the main component flows
    • B01F25/314—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit
    • B01F25/3142—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction
    • B01F25/31421—Injector mixers in conduits or tubes through which the main component flows wherein additional components are introduced at the circumference of the conduit the conduit having a plurality of openings in the axial direction or in the circumferential direction the conduit being porous
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4335—Mixers with a converging-diverging cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F25/40—Static mixers
    • B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
    • B01F25/43—Mixing tubes, e.g. wherein the material is moved in a radial or partly reversed direction
    • B01F25/433—Mixing tubes wherein the shape of the tube influences the mixing, e.g. mixing tubes with varying cross-section or provided with inwardly extending profiles
    • B01F25/4337—Mixers with a diverging-converging cross-section
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F33/00—Other mixers; Mixing plants; Combinations of mixers
    • B01F33/80—Mixing plants; Combinations of mixers
    • B01F33/834—Mixing in several steps, e.g. successive steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
    • B01F35/71—Feed mechanisms
    • B01F35/715—Feeding the components in several steps, e.g. successive steps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
    • B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
    • B01F2025/91911—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings in the center of the main flow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
    • B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
    • B01F2025/91912—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings at the circumference of the main flow
    • B01F2025/919121—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings at the circumference of the main flow with feed openings around the complete circumference of the main flow, e.g. being a perforated or porous part
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
    • B01F2025/91—Direction of flow or arrangement of feed and discharge openings
    • B01F2025/919—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings
    • B01F2025/9191—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component
    • B01F2025/919125—Direction of flow or arrangement of feed and discharge openings characterised by the disposition of the feed and discharge openings characterised by the arrangement of the feed openings for one or more flows, e.g. for the mainflow and the flow of an additional component with feed openings in the center and at the circumference of the main flow

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
BR8605636A 1985-11-15 1986-11-14 Processo para reacao de oxigenio com uma lama de polpa de celulose,processo para a misturacao de oxigenio em uma lama de polpa de celulose,processo para dispersao de um gas reativo por toda a lama de polpa,aparelho para reacao de oxigenio com uma polpa de celulose e aparelho para introducao de gas oxidante em uma lama de polpa BR8605636A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US79828685A 1985-11-15 1985-11-15
CA000507000A CA1300320C (fr) 1985-11-15 1986-04-18 Methode de blanchiment de pate

Publications (1)

Publication Number Publication Date
BR8605636A true BR8605636A (pt) 1987-08-18

Family

ID=25670962

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8605636A BR8605636A (pt) 1985-11-15 1986-11-14 Processo para reacao de oxigenio com uma lama de polpa de celulose,processo para a misturacao de oxigenio em uma lama de polpa de celulose,processo para dispersao de um gas reativo por toda a lama de polpa,aparelho para reacao de oxigenio com uma polpa de celulose e aparelho para introducao de gas oxidante em uma lama de polpa

Country Status (6)

Country Link
EP (1) EP0226495B1 (fr)
AU (1) AU595842B2 (fr)
BR (1) BR8605636A (fr)
DE (1) DE3672580D1 (fr)
NZ (1) NZ218294A (fr)
PT (1) PT83745B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115448440A (zh) * 2022-07-25 2022-12-09 中石化宁波工程有限公司 一种分形氧化装置

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CA1300322C (fr) * 1987-06-08 1992-05-12 Derek Hornsey Methode de blanchiment ou de delignification de la pate de cellulose par de l'oxygene
FR2617736A1 (fr) * 1987-07-08 1989-01-13 Sampson Cat Dispositif de production d'emulsion, en vue du nettoyage et de la desinfection
RU2103433C1 (ru) * 1995-01-16 1998-01-27 Грудинин Владимир Павлович Способ обработки волокнистой массы химическим реагентом и установка для его осуществления
NO962328L (no) * 1996-06-05 1997-12-08 Aga Ab Fremgangsmåte og anordning for innföring av gass i en væske
DE19849628A1 (de) * 1998-10-28 2000-05-04 Margret Spiegel Verfahren und Anordnung zum Einbringen von Gas in eine Flüssigkeit
EP1319435A3 (fr) * 2001-12-12 2004-10-06 Collectplan GmbH Procédé et appareil pour introduire un premier milieu dans un second milieu
DE102004059934A1 (de) * 2004-12-09 2006-06-22 Würdig, Uwe, Dipl.-Ing. Einrichtung zur Anreicherung flüssiger Medien mit Gas
SE528449C2 (sv) * 2005-09-28 2006-11-14 Kvaerner Pulping Tech Apparat för inblandning av ånga till ett flöde av cellulosamassa
EP2136908B1 (fr) 2007-03-15 2011-12-07 Dow Global Technologies LLC Mélangeur pour réacteur à écoulement continu
US7891861B2 (en) * 2007-09-20 2011-02-22 Fujifilm Corporation Mixing method and mixer for mixing polymer dope, and solution casting process and apparatus
KR101351302B1 (ko) * 2012-10-23 2014-01-15 주식회사 디섹 선박의 밸러스트수 처리시스템
CN109310958B (zh) * 2016-06-15 2021-12-14 安斋聪 养殖用或排水处理用超微细气泡产生装置
WO2020072845A1 (fr) * 2018-10-05 2020-04-09 University Of Baltimore Systèmes, procédés et appareil pour utiliser un réservoir de remise en suspension
SE545007C2 (en) * 2021-01-18 2023-02-28 Valmet Oy Mixing device and method for mixing a fluid into a fiber pulp

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US3928199A (en) * 1971-09-20 1975-12-23 Airco Inc Gas absorption system and method
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115448440A (zh) * 2022-07-25 2022-12-09 中石化宁波工程有限公司 一种分形氧化装置
CN115448440B (zh) * 2022-07-25 2023-10-24 中石化宁波工程有限公司 一种分形氧化装置

Also Published As

Publication number Publication date
AU595842B2 (en) 1990-04-12
EP0226495B1 (fr) 1990-07-11
NZ218294A (en) 1990-05-28
PT83745A (en) 1986-12-01
DE3672580D1 (de) 1990-08-16
PT83745B (pt) 1988-08-17
AU6467186A (en) 1987-05-21
EP0226495A1 (fr) 1987-06-24

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