SE7904445L - Sett att framstella alkalisk massa - Google Patents

Sett att framstella alkalisk massa

Info

Publication number
SE7904445L
SE7904445L SE7904445A SE7904445A SE7904445L SE 7904445 L SE7904445 L SE 7904445L SE 7904445 A SE7904445 A SE 7904445A SE 7904445 A SE7904445 A SE 7904445A SE 7904445 L SE7904445 L SE 7904445L
Authority
SE
Sweden
Prior art keywords
way
produce alkaline
alkaline pulp
pulp
produce
Prior art date
Application number
SE7904445A
Other languages
Unknown language ( )
English (en)
Other versions
SE445120B (sv
Inventor
M Kikuiri
Y Nakashio
Y Arai
T Hidaka
Original Assignee
Toyo Pulp Co Ltd
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 JP6063878A external-priority patent/JPS54156801A/ja
Priority claimed from JP11488278A external-priority patent/JPS5540873A/ja
Priority claimed from JP15602678A external-priority patent/JPS5584490A/ja
Priority claimed from JP4183979A external-priority patent/JPS55137285A/ja
Application filed by Toyo Pulp Co Ltd filed Critical Toyo Pulp Co Ltd
Publication of SE7904445L publication Critical patent/SE7904445L/sv
Publication of SE445120B publication Critical patent/SE445120B/sv

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
    • D21C7/00—Digesters
    • D21C7/08—Discharge devices
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous processes
    • 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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes
    • D21C3/263—Multistage processes at least one stage being in presence of oxygen
    • 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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
SE7904445A 1978-05-23 1979-05-22 Forfarande for framstellning av alkalisk massa SE445120B (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP6063878A JPS54156801A (en) 1978-05-23 1978-05-23 Method and apparatus for producing alkali pulp
JP11488278A JPS5540873A (en) 1978-09-19 1978-09-19 Production of alkali pulp
JP15602678A JPS5584490A (en) 1978-12-15 1978-12-15 Production of alkali pulp
JP4183979A JPS55137285A (en) 1979-04-06 1979-04-06 Production of alkali pulp

Publications (2)

Publication Number Publication Date
SE7904445L true SE7904445L (sv) 1979-11-24
SE445120B SE445120B (sv) 1986-06-02

Family

ID=27461115

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7904445A SE445120B (sv) 1978-05-23 1979-05-22 Forfarande for framstellning av alkalisk massa

Country Status (3)

Country Link
US (1) US4274913A (sv)
CA (1) CA1127357A (sv)
SE (1) SE445120B (sv)

Families Citing this family (37)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4543155A (en) * 1983-01-31 1985-09-24 The Boc Group, Inc. Method for bleaching wood pulp including dissolving oxygen into the dilution water of an extraction stage
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
AT387995B (de) * 1987-06-12 1989-04-10 Andritz Ag Maschf Austragvorrichtung
US4999085A (en) * 1988-10-06 1991-03-12 Sunds Defibrator Rauma Oy Method for screening of defibered chlorine dioxide bleached pulp during alkaline extraction
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
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
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
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
US5525195A (en) * 1989-02-15 1996-06-11 Union Camp Patent Holding, Inc. Process for high consistency delignification using a low consistency alkali pretreatment
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
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
US5441603A (en) * 1990-05-17 1995-08-15 Union Camp Patent Holding, Inc. Method for chelation of pulp prior to ozone delignification
AT394738B (de) * 1990-09-03 1992-06-10 Andritz Ag Maschf Verfahren und vorrichtung zum austragen eines mediums aus einem behaelter
US5460696A (en) * 1993-08-12 1995-10-24 The Boc Group, Inc. Oxygen delignification method incorporating wood pulp mixing apparatus
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
WO1997001074A1 (en) * 1995-06-20 1997-01-09 A. Ahlstrom Corporation Method and apparatus for treating material which conducts heat poorly
US5783037A (en) * 1996-08-22 1998-07-21 Mg Industries System and method for operating a pulp mill
US6572697B2 (en) 2000-03-14 2003-06-03 James Hardie Research Pty Limited Fiber cement building materials with low density additives
CZ2003959A3 (cs) * 2000-10-04 2003-09-17 James Hardie Research Pty. Limited Vláknité cementové kompozitní materiály používající lubrikovaná celulosová vlákna
PL362738A1 (en) 2000-10-17 2004-11-02 James Hardie Research Pty Limited Method for reducing impurities in cellulose fibers for manufacture of fiber reinforced cement composite materials
US20050126430A1 (en) * 2000-10-17 2005-06-16 Lightner James E.Jr. Building materials with bioresistant properties
ES2284820T3 (es) * 2001-03-09 2007-11-16 James Hardie International Finance B.V. Materiales compuestos de cemento reforzado por fibras que utilizan fibras tratadas quimicamente con dispersabilidad mejorada.
AU2002309874B2 (en) * 2002-05-15 2007-06-28 Weyerhaeuser Company Very low COD unbleached pulp
WO2003097930A1 (en) * 2002-05-15 2003-11-27 Weyerhaeuser Company Process for producing very low cod unbleached pulp
US7081184B2 (en) * 2002-05-15 2006-07-25 Weyerhaeuser Company Process for making a very low COD unbleached pulp
FI120505B (sv) * 2002-07-12 2009-11-13 Stora Enso Oyj Kontinuerligt förfarande för kokning av cellulosabaserad massa samt massakokare som lämpar sig för förfarandet
MXPA05003691A (es) 2002-10-07 2005-11-17 James Hardie Int Finance Bv Material mixto de fibrocemento de densidad media durable.
EP1587767B1 (en) 2003-01-09 2017-07-19 James Hardie Technology Limited Fiber cement composite materials using bleached cellulose fibers and their manufacturing method
US7998571B2 (en) 2004-07-09 2011-08-16 James Hardie Technology Limited Composite cement article incorporating a powder coating and methods of making same
US8412671B2 (en) * 2004-08-13 2013-04-02 Hewlett-Packard Development Company, L.P. System and method for developing a star schema
US8993462B2 (en) 2006-04-12 2015-03-31 James Hardie Technology Limited Surface sealed reinforced building element
WO2011096857A1 (en) * 2010-02-02 2011-08-11 Metso Paper Sweden Ab Continuous digester with improved heating circulation
AR088750A1 (es) * 2011-08-30 2014-07-02 Cargill Inc Procesos de elaboracion de pulpa
CN102704296B (zh) * 2012-07-09 2014-06-18 江苏联海生物科技有限公司 一种预处理秸秆类原料的工艺
US12065367B2 (en) * 2021-04-23 2024-08-20 Ecolab Usa Inc. Volatile fatty acid control

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO115278B (sv) * 1962-03-03 1968-09-09 Kamyr Ab
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
SE318180B (sv) * 1967-05-16 1969-12-01 Kamyr Ab
SE344603B (sv) * 1971-06-22 1972-04-24 Kamyr Ab
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

Also Published As

Publication number Publication date
CA1127357A (en) 1982-07-13
US4274913A (en) 1981-06-23
SE445120B (sv) 1986-06-02

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