FI55225C - Saett foer satsvis massakokning med hydroxidhaltiga koklutar i kombination med kontinuerlig syredelignifiering - Google Patents

Saett foer satsvis massakokning med hydroxidhaltiga koklutar i kombination med kontinuerlig syredelignifiering

Info

Publication number
FI55225C
FI55225C FI3326/74A FI332674A FI55225C FI 55225 C FI55225 C FI 55225C FI 3326/74 A FI3326/74 A FI 3326/74A FI 332674 A FI332674 A FI 332674A FI 55225 C FI55225 C FI 55225C
Authority
FI
Finland
Prior art keywords
med
syredelignifiering
massakokning
koklutar
hydroxidhaltiga
Prior art date
Application number
FI3326/74A
Other languages
English (en)
Other versions
FI55225B (fi
FI332674A (fi
Inventor
Nils Viktor Mannbro
Original Assignee
Skogsaegarnas Ind Ab
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 Skogsaegarnas Ind Ab filed Critical Skogsaegarnas Ind Ab
Publication of FI332674A publication Critical patent/FI332674A/fi
Publication of FI55225B publication Critical patent/FI55225B/fi
Application granted granted Critical
Publication of FI55225C publication Critical patent/FI55225C/fi

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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • D21C3/228—Automation of the pulping processes
FI3326/74A 1973-11-23 1974-11-18 Saett foer satsvis massakokning med hydroxidhaltiga koklutar i kombination med kontinuerlig syredelignifiering FI55225C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7315894A SE381897C (sv) 1973-11-23 1973-11-23 Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering

Publications (3)

Publication Number Publication Date
FI332674A FI332674A (fi) 1975-05-24
FI55225B FI55225B (fi) 1979-02-28
FI55225C true FI55225C (fi) 1979-06-11

Family

ID=20319193

Family Applications (1)

Application Number Title Priority Date Filing Date
FI3326/74A FI55225C (fi) 1973-11-23 1974-11-18 Saett foer satsvis massakokning med hydroxidhaltiga koklutar i kombination med kontinuerlig syredelignifiering

Country Status (6)

Country Link
US (1) US4595455A (fi)
CA (1) CA1043515A (fi)
ES (1) ES432183A1 (fi)
FI (1) FI55225C (fi)
FR (1) FR2252440B1 (fi)
SE (1) SE381897C (fi)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE381897C (sv) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering
US4096028A (en) * 1976-11-26 1978-06-20 Nalco Chemical Company Feed forward control of dissolved solids in a countercurrent separation and washing zone
SE7802789L (sv) * 1978-03-10 1979-09-11 Sunds Ab Sett vid framstellning av magnesiumsulfitmassa
SE448889B (sv) * 1985-11-06 1987-03-23 Sunds Defibrator Sett for behandling av returpapper
SE465730C (sv) * 1988-03-17 2001-10-08 Kvaerner Pulping Tech Sätt vid delignifiering av fiberhaltig cellulosamassa
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
US5188708A (en) * 1989-02-15 1993-02-23 Union Camp Patent Holding, Inc. Process for high consistency oxygen delignification followed by ozone relignification
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
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
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
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
US5164044A (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
US5164043A (en) * 1990-05-17 1992-11-17 Union Camp Patent Holding, Inc. Environmentally improved process for bleaching lignocellulosic materials with ozone
SE470538C (sv) * 1992-12-02 1996-02-26 Kvaerner Pulping Tech Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
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
US6210527B1 (en) 1994-03-14 2001-04-03 The Boc Group, Inc. Pulp bleaching method wherein an ozone bleaching waste stream is scrubbed to form an oxygen containing stream
SE9401769L (sv) * 1994-05-24 1995-11-25 Nils Mannbro Flisimpregnering vid pappersmassakokning med sulfidiskt alkali
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US6514380B1 (en) * 1995-03-08 2003-02-04 Andritz Oy Treatment of chemical pulp

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2671727A (en) * 1948-05-05 1954-03-09 West Virginia Pulp & Paper Co Manufacture of pulp by the alkaline process
US3830688A (en) * 1970-10-23 1974-08-20 Skogsaegarnas Ind Ab Method of reducing the discharge of waste products from pulp mills
US3843473A (en) * 1971-08-23 1974-10-22 Mo Och Domsjoe Ab Impregnation of cellulosic pulp under superatmospheric pressure with waste alkaline oxygan gas bleaching liquor followed by oxygen-alkali bleaching
SE381897C (sv) * 1973-11-23 1977-05-23 Skogegarnas Ind Ab Sett for satsvis alkalisk massakokning i kombination med kontinuerlig syredelignifiering

Also Published As

Publication number Publication date
FI55225B (fi) 1979-02-28
ES432183A1 (es) 1976-09-01
FR2252440B1 (fi) 1978-07-07
SE381897C (sv) 1977-05-23
SE381897B (sv) 1975-12-22
FR2252440A1 (fi) 1975-06-20
FI332674A (fi) 1975-05-24
US4595455A (en) 1986-06-17
SE7315894L (fi) 1975-05-26
CA1043515A (en) 1978-12-05

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