ATE54056T1 - Entlueftungsbehaelter und einrichtung zu dessen verwendung. - Google Patents

Entlueftungsbehaelter und einrichtung zu dessen verwendung.

Info

Publication number
ATE54056T1
ATE54056T1 AT85901867T AT85901867T ATE54056T1 AT E54056 T1 ATE54056 T1 AT E54056T1 AT 85901867 T AT85901867 T AT 85901867T AT 85901867 T AT85901867 T AT 85901867T AT E54056 T1 ATE54056 T1 AT E54056T1
Authority
AT
Austria
Prior art keywords
tank
oxygen
reactor
inlet pipe
deaeration
Prior art date
Application number
AT85901867T
Other languages
English (en)
Inventor
Michael Dean Meredith
Joseph Maria Bentvelzen
Marvin Franklin Jordan
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 ATE54056T1 publication Critical patent/ATE54056T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D19/00—Degasification of liquids
    • B01D19/0042—Degasification of liquids modifying the liquid flow
    • B01D19/0052—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused
    • B01D19/0057—Degasification of liquids modifying the liquid flow in rotating vessels, vessels containing movable parts or in which centrifugal movement is caused the centrifugal movement being caused by a vortex, e.g. using a cyclone, or by a tangential inlet
    • 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
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
    • D21D5/26—De-aeration of paper stock

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Catching Or Destruction (AREA)
  • Devices For Use In Laboratory Experiments (AREA)
AT85901867T 1985-04-01 1985-04-01 Entlueftungsbehaelter und einrichtung zu dessen verwendung. ATE54056T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP85901867A EP0215781B1 (de) 1985-04-01 1985-04-01 Entlüftungsbehälter und einrichtung zu dessen verwendung
PCT/US1985/000552 WO1986005708A1 (en) 1985-04-01 1985-04-01 A deaeration tank and process for using the tank

Publications (1)

Publication Number Publication Date
ATE54056T1 true ATE54056T1 (de) 1990-07-15

Family

ID=22188628

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85901867T ATE54056T1 (de) 1985-04-01 1985-04-01 Entlueftungsbehaelter und einrichtung zu dessen verwendung.

Country Status (4)

Country Link
EP (1) EP0215781B1 (de)
AT (1) ATE54056T1 (de)
DE (1) DE3578378D1 (de)
WO (1) WO1986005708A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2231508B (en) * 1989-04-26 1993-05-19 Wardtec Ltd Air separator in or for a fluid flow system
CA3034508C (en) 2016-09-01 2022-03-29 Essity Hygiene And Health Aktiebolag Process and apparatus for wetlaying nonwovens

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL181479C (de) * 1952-09-24
US3421622A (en) * 1965-08-19 1969-01-14 Nichols Eng & Res Corp Cleaning and deaerating paper pulp suspensions
US3832276A (en) * 1973-03-07 1974-08-27 Int Paper Co Delignification and bleaching of a cellulose pulp slurry with oxygen
SE379069B (de) * 1973-08-27 1975-09-22 Kamyr Ab
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp

Also Published As

Publication number Publication date
WO1986005708A1 (en) 1986-10-09
EP0215781B1 (de) 1990-06-27
DE3578378D1 (de) 1990-08-02
EP0215781A4 (de) 1988-03-22
EP0215781A1 (de) 1987-04-01

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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