ZA987128B - Continuous cooking with cool impregnation and dom control - Google Patents

Continuous cooking with cool impregnation and dom control

Info

Publication number
ZA987128B
ZA987128B ZA987128A ZA987128A ZA987128B ZA 987128 B ZA987128 B ZA 987128B ZA 987128 A ZA987128 A ZA 987128A ZA 987128 A ZA987128 A ZA 987128A ZA 987128 B ZA987128 B ZA 987128B
Authority
ZA
South Africa
Prior art keywords
continuous cooking
impregnation
cool
dom control
dom
Prior art date
Application number
ZA987128A
Other languages
English (en)
Inventor
C Bertil Stromberg
J Robert Prough
Kaj O Henricson
Bruno S Marcoccia
Original Assignee
Ahlstrom Machinery Inc
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=25430133&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA987128(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Publication of ZA987128B publication Critical patent/ZA987128B/xx

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
    • D21C3/24—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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D21C1/06—Pretreatment of the finely-divided materials before digesting with alkaline reacting compounds
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
ZA987128A 1997-08-07 1998-08-07 Continuous cooking with cool impregnation and dom control ZA987128B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/911,366 US5958181A (en) 1997-08-07 1997-08-07 Continuous cooking with a two-stage cool impregnation

Publications (1)

Publication Number Publication Date
ZA987128B true ZA987128B (en) 1999-02-08

Family

ID=25430133

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA987128A ZA987128B (en) 1997-08-07 1998-08-07 Continuous cooking with cool impregnation and dom control

Country Status (9)

Country Link
US (1) US5958181A (xx)
JP (1) JP3447264B2 (xx)
AU (1) AU8682298A (xx)
BR (1) BR9812273B1 (xx)
CA (1) CA2297980C (xx)
FI (1) FI123040B (xx)
SE (1) SE530719C2 (xx)
WO (1) WO1999007936A1 (xx)
ZA (1) ZA987128B (xx)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
US6451172B1 (en) 2000-05-18 2002-09-17 Andritz Inc. In-line drainer enhancements
US6436233B1 (en) 2000-05-18 2002-08-20 Andritz Inc. Feeding cellulose material to a treatment vessel
US20030131956A1 (en) * 2002-01-16 2003-07-17 Stromberg C. Bertil Continuous pulping processes and systems
US7452444B2 (en) * 2004-05-26 2008-11-18 International Paper Company Digester wash extraction by individual screen flow control
SE530332C2 (sv) * 2006-11-07 2008-05-06 Metso Fiber Karlstad Ab Förfarande för att energieffektivt producera cellulosamassa i ett kontinuerligt kokeri
US8268124B2 (en) 2007-01-15 2012-09-18 Nihon Cellulose Co., Ltd. Method for production of pulp
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
RU2696962C2 (ru) * 2014-10-15 2019-08-07 Канфор Палп Лтд Объединенная система крафт-целлюлозного завода и термохимического превращения

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1922262A (en) * 1930-10-31 1933-08-15 Jr James H Ross Process of making chemical pulp
US1949669A (en) * 1932-06-20 1934-03-06 Sldney D Wells Apparatus for treating fibrous material
US2671727A (en) * 1948-05-05 1954-03-09 West Virginia Pulp & Paper Co Manufacture of pulp by the alkaline process
US2789051A (en) * 1951-12-06 1957-04-16 West Virginia Pulp & Paper Co Method for continuous cooking of chips in the manufacture of pulp
SE452482B (sv) * 1982-04-28 1987-11-30 Sunds Defibrator Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
FI66215C (fi) * 1982-12-14 1984-09-10 Ekono Oy Saett vid kontinuerlig uppslutning av finfoerdelat cellulosahaltigt material
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
WO1996007786A1 (en) * 1994-09-02 1996-03-14 Kamyr, Inc. Continuous kraft cooking with black liquor pretreatment
US5674359A (en) * 1995-02-08 1997-10-07 Ahlstrom Machinery Inc. Continuous cooking of cellulosic fibrous material with cold alkali impregnation
US6248208B1 (en) * 1995-06-02 2001-06-19 Andritz-Ahlstrom Inc. Pretreatment of chips before cooking
US5635026A (en) * 1995-11-13 1997-06-03 Ahlstrom Machinery Inc. Cooking cellulose material with high alkali concentrations and/or high pH

Also Published As

Publication number Publication date
US5958181A (en) 1999-09-28
FI123040B (fi) 2012-10-15
CA2297980A1 (en) 1999-02-18
JP3447264B2 (ja) 2003-09-16
SE0000342L (sv) 2000-04-07
BR9812273B1 (pt) 2010-03-09
FI20000167A (fi) 2000-04-03
WO1999007936A1 (en) 1999-02-18
BR9812273A (pt) 2000-07-18
CA2297980C (en) 2004-10-12
SE530719C2 (sv) 2008-08-19
JP2001512795A (ja) 2001-08-28
AU8682298A (en) 1999-03-01
SE0000342D0 (sv) 2000-02-03

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