JPS5024503A - - Google Patents

Info

Publication number
JPS5024503A
JPS5024503A JP49026701A JP2670174A JPS5024503A JP S5024503 A JPS5024503 A JP S5024503A JP 49026701 A JP49026701 A JP 49026701A JP 2670174 A JP2670174 A JP 2670174A JP S5024503 A JPS5024503 A JP S5024503A
Authority
JP
Japan
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.)
Granted
Application number
JP49026701A
Other languages
Japanese (ja)
Other versions
JPS5747798B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS5024503A publication Critical patent/JPS5024503A/ja
Publication of JPS5747798B2 publication Critical patent/JPS5747798B2/ja
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
    • D21C9/1068—Bleaching ; Apparatus therefor with O2

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Cereal-Derived Products (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
JP49026701A 1973-03-07 1974-03-07 Expired JPS5747798B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00338862A US3832276A (en) 1973-03-07 1973-03-07 Delignification and bleaching of a cellulose pulp slurry with oxygen

Publications (2)

Publication Number Publication Date
JPS5024503A true JPS5024503A (enrdf_load_stackoverflow) 1975-03-15
JPS5747798B2 JPS5747798B2 (enrdf_load_stackoverflow) 1982-10-12

Family

ID=23326465

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49026701A Expired JPS5747798B2 (enrdf_load_stackoverflow) 1973-03-07 1974-03-07

Country Status (14)

Country Link
US (1) US3832276A (enrdf_load_stackoverflow)
JP (1) JPS5747798B2 (enrdf_load_stackoverflow)
AR (1) AR202919A1 (enrdf_load_stackoverflow)
BR (1) BR7401573D0 (enrdf_load_stackoverflow)
CA (1) CA1007807A (enrdf_load_stackoverflow)
DE (1) DE2410934C2 (enrdf_load_stackoverflow)
FI (1) FI59434C (enrdf_load_stackoverflow)
FR (1) FR2220620B1 (enrdf_load_stackoverflow)
GB (1) GB1445276A (enrdf_load_stackoverflow)
IT (1) IT1011546B (enrdf_load_stackoverflow)
NO (1) NO144930C (enrdf_load_stackoverflow)
PH (1) PH10177A (enrdf_load_stackoverflow)
SE (1) SE397983B (enrdf_load_stackoverflow)
ZA (1) ZA741287B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020004A (enrdf_load_stackoverflow) * 1973-05-30 1975-03-03

Families Citing this family (48)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4089737A (en) * 1974-02-18 1978-05-16 Toyo Pulp Company, Ltd. Delignification of cellulosic material with an alkaline aqueous medium containing oxygen dissolved therein
SE394466C (sv) * 1974-05-16 1986-06-23 Mannbro Systems Handelsbolag Sett vid kontinuerlig alkalisk delignifiering av lignocellulosamaterial i tva eller flera steg, varav det sista med syrgas
US3951733A (en) * 1974-11-06 1976-04-20 International Paper Company Delignification and bleaching of wood pulp with oxygen
US4002526A (en) * 1975-10-10 1977-01-11 International Paper Company Oxygen-alkali delignification of low consistency wood pulp
FI773597A7 (fi) * 1976-12-01 1978-06-02 New Zealand Dev Finance Foerfarande foer behandling av lignocellulosa-eller cellulosafibermassa sao att behandlingen fraemjar kroekning av massans fibrer och foerbaettrar papprets rivhaollfasthet
US4216054A (en) * 1977-09-26 1980-08-05 Weyerhaeuser Company Low-consistency ozone delignification
US4198266A (en) * 1977-10-12 1980-04-15 Airco, Inc. Oxygen delignification of wood pulp
US4209359A (en) * 1978-10-23 1980-06-24 International Paper Company Process for removing residual oxygen from oxygen-bleached pulp
US4259150A (en) * 1978-12-18 1981-03-31 Kamyr Inc. Plural stage mixing and thickening oxygen bleaching process
SE462919B (sv) * 1979-05-11 1990-09-17 Sunds Defibrator Ind Ab Saett att genomfoera alkaliextraktion av cellulosamassa i naervaro av syre
US4295927A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen and storing the treated pulp
US4295925A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Treating pulp with oxygen
US4295926A (en) * 1979-06-15 1981-10-20 Weyerhaeuser Company Method and apparatus for treating pulp with oxygen
US4294654A (en) * 1980-03-21 1981-10-13 International Paper Company Delignification and bleaching of lignocellulosic pulp via photo-oxygenation
SE421019B (sv) * 1980-08-26 1981-11-16 Kamyr Ab Forfarande for kemikaliereglering vid behandling av en substans, speciellt massa, med gas
US4384920A (en) * 1981-04-06 1983-05-24 The Black Clawson Company Method and apparatus for oxygen delignification
FI67241B (fi) * 1981-06-10 1984-10-31 Aga Ab Saett foer blekning av cellulosahaltiga material
FI831473A7 (fi) * 1981-09-04 1983-04-29 Weyerhaeuser Co Massan käsittely hapella.
WO1983000816A1 (en) * 1981-09-04 1983-03-17 Weyerhaeuser Co Method and apparatus for mixing pulp with oxygen
DE3207157C1 (de) * 1982-02-27 1983-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung von halbgebleichten Zellstoffen
US4684442A (en) * 1984-03-29 1987-08-04 Weyerhaeuser Company Oxygen reactor deaeration tank and system
FR2566015B1 (fr) * 1984-06-15 1986-08-29 Centre Tech Ind Papier Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
FI71178C (fi) * 1984-11-08 1988-05-18 Rauma Repola Oy Foerfarande foer reglering av syreblekningsprocess.
US4568420B1 (en) * 1984-12-03 1999-03-02 Int Paper Co Multi-stage bleaching process including an enhanced oxidative extraction stage
EP0215781B1 (en) * 1985-04-01 1990-06-27 Weyerhaeuser Company A deaeration tank and installation using the tank
US4886577A (en) * 1985-05-03 1989-12-12 Kamyr, Inc. Method and apparatus for mixing oxygen gas with medium consistency pulp in a pump discharge
US4978426A (en) * 1987-02-24 1990-12-18 Westvaco Corporation Production of high strength linerboard with oxygen and alkali
US5217574A (en) * 1989-02-15 1993-06-08 Union Camp Patent Holdings Inc. Process for oxygen delignifying high consistency pulp by removing and recycling pressate from alkaline pulp
US5085734A (en) * 1989-02-15 1992-02-04 Union Camp Patent Holding, Inc. Methods of high consistency oxygen delignification using a low consistency alkali pretreatment
US5173153A (en) * 1991-01-03 1992-12-22 Union Camp Patent Holding, Inc. Process for enhanced oxygen delignification using high consistency and a split alkali addition
US5472572A (en) * 1990-10-26 1995-12-05 Union Camp Patent Holding, Inc. Reactor for bleaching high consistency pulp with ozone
US5409570A (en) * 1989-02-15 1995-04-25 Union Camp Patent Holding, Inc. Process for ozone bleaching of oxygen delignified pulp while conveying the pulp through a reaction zone
US5181989A (en) * 1990-10-26 1993-01-26 Union Camp Patent Holdings, Inc. Reactor for bleaching high consistency pulp with ozone
US5211811A (en) * 1989-02-15 1993-05-18 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification of alkaline treated pulp followed by ozone delignification
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
FI89516B (fi) * 1989-05-10 1993-06-30 Ahlstroem Oy Foerfarande foer blekning av cellulosamassa med otson
WO1991000386A1 (en) * 1989-06-30 1991-01-10 Nekoosa Papers, Inc. A method for bleaching kraft pulp with a mixture of oxygen and peroxide
US5164044A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
US5520783A (en) * 1990-10-26 1996-05-28 Union Camp Patent Holding, Inc. Apparatus for bleaching high consistency pulp with ozone
US5174861A (en) * 1990-10-26 1992-12-29 Union Camp Patent Holdings, Inc. Method of bleaching high consistency pulp with ozone
NZ242792A (en) * 1991-05-24 1993-12-23 Union Camp Patent Holding Two-stage pulp bleaching reactor: pulp mixed with ozone in first stage.
CA2082557C (en) * 1992-02-24 1997-03-11 Charles W. Hankins Integrated pulping process of waste paper yielding tissue-grade paper fibers
US5387317A (en) * 1993-01-28 1995-02-07 The Mead Corporation Oxygen/ozone/peracetic aicd delignification and bleaching of cellulosic pulps
US6340409B1 (en) * 1993-04-29 2002-01-22 Lewis Donald Shackford Method for multistage bleaching using gaseous reagent in the first stage with controlled gas release
US5554259A (en) * 1993-10-01 1996-09-10 Union Camp Patent Holdings, Inc. Reduction of salt scale precipitation by control of process stream Ph and salt concentration
US7812153B2 (en) * 2004-03-11 2010-10-12 Rayonier Products And Financial Services Company Process for manufacturing high purity xylose

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5020004A (enrdf_load_stackoverflow) * 1973-05-30 1975-03-03

Also Published As

Publication number Publication date
CA1007807A (en) 1977-04-05
DE2410934C2 (de) 1983-12-01
US3832276A (en) 1974-08-27
BR7401573D0 (pt) 1974-11-05
IT1011546B (it) 1977-02-10
AU6602374A (en) 1975-08-28
DE2410934A1 (de) 1974-09-19
NO740795L (no) 1974-09-10
FR2220620A1 (enrdf_load_stackoverflow) 1974-10-04
ZA741287B (en) 1975-02-26
GB1445276A (en) 1976-08-11
PH10177A (en) 1976-09-16
FI59434C (fi) 1983-07-04
FR2220620B1 (enrdf_load_stackoverflow) 1978-04-21
NO144930B (no) 1981-08-31
SE397983B (sv) 1977-11-28
AR202919A1 (es) 1975-07-31
FI59434B (fi) 1981-04-30
NO144930C (no) 1981-12-09
JPS5747798B2 (enrdf_load_stackoverflow) 1982-10-12

Similar Documents

Publication Publication Date Title
AU476761B2 (enrdf_load_stackoverflow)
AU465372B2 (enrdf_load_stackoverflow)
FR2220620B1 (enrdf_load_stackoverflow)
AU474593B2 (enrdf_load_stackoverflow)
AU474511B2 (enrdf_load_stackoverflow)
AU474838B2 (enrdf_load_stackoverflow)
AU471343B2 (enrdf_load_stackoverflow)
AU465453B2 (enrdf_load_stackoverflow)
AU465434B2 (enrdf_load_stackoverflow)
AU450229B2 (enrdf_load_stackoverflow)
AU476714B2 (enrdf_load_stackoverflow)
AU466283B2 (enrdf_load_stackoverflow)
AU472848B2 (enrdf_load_stackoverflow)
AU476696B2 (enrdf_load_stackoverflow)
AR199451A1 (enrdf_load_stackoverflow)
AU477823B2 (enrdf_load_stackoverflow)
AU476873B1 (enrdf_load_stackoverflow)
AU447540B2 (enrdf_load_stackoverflow)
AR200885A1 (enrdf_load_stackoverflow)
AR197627A1 (enrdf_load_stackoverflow)
AR200256A1 (enrdf_load_stackoverflow)
AU477824B2 (enrdf_load_stackoverflow)
AR196382A1 (enrdf_load_stackoverflow)
AU461342B2 (enrdf_load_stackoverflow)
AU479539A (enrdf_load_stackoverflow)