ATE155540T1 - Ein verfahren zur herstellung von kraftpulpe - Google Patents

Ein verfahren zur herstellung von kraftpulpe

Info

Publication number
ATE155540T1
ATE155540T1 AT92890125T AT92890125T ATE155540T1 AT E155540 T1 ATE155540 T1 AT E155540T1 AT 92890125 T AT92890125 T AT 92890125T AT 92890125 T AT92890125 T AT 92890125T AT E155540 T1 ATE155540 T1 AT E155540T1
Authority
AT
Austria
Prior art keywords
pulp
sulfide
supply
content
cooking
Prior art date
Application number
AT92890125T
Other languages
English (en)
Inventor
Jian E Jiang
Joe R Phillips
Brian Greenwood
Robert J Prough
Kaj Henricson
Bertil C Stromberg
Rolf Ryham
James W Smith
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
Priority claimed from GB919111256A external-priority patent/GB9111256D0/en
Application filed by Ahlstrom Machinery Inc filed Critical Ahlstrom Machinery Inc
Application granted granted Critical
Publication of ATE155540T1 publication Critical patent/ATE155540T1/de

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • 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
    • D21C3/022—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of S-containing 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
    • D21C3/22—Other features of pulping processes
    • D21C3/26—Multistage processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Catalysts (AREA)
  • Artificial Filaments (AREA)
AT92890125T 1991-05-24 1992-05-25 Ein verfahren zur herstellung von kraftpulpe ATE155540T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB919111256A GB9111256D0 (en) 1991-05-24 1991-05-24 Pulping process
US75684991A 1991-09-10 1991-09-10
US78815191A 1991-11-05 1991-11-05

Publications (1)

Publication Number Publication Date
ATE155540T1 true ATE155540T1 (de) 1997-08-15

Family

ID=27265676

Family Applications (1)

Application Number Title Priority Date Filing Date
AT92890125T ATE155540T1 (de) 1991-05-24 1992-05-25 Ein verfahren zur herstellung von kraftpulpe

Country Status (6)

Country Link
EP (1) EP0517689B1 (de)
JP (1) JPH05163690A (de)
AT (1) ATE155540T1 (de)
DE (1) DE69220853D1 (de)
FI (1) FI921254A7 (de)
NO (1) NO920692L (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5575890A (en) * 1993-05-04 1996-11-19 Kamyr, Inc. Method for selectively increasing the sulfide ion concentration and sulfidity of kraft cooking liquor during kraft cooking of wood
FI102976B (fi) * 1994-02-28 1999-03-31 Valtion Teknillinen Menetelmä lisäkeittokemikaalien tuottamiseksi sekä käyttämiseksi sulfa attiselluloosaprosessissa
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
WO1996007786A1 (en) * 1994-09-02 1996-03-14 Kamyr, Inc. Continuous kraft cooking with black liquor pretreatment
US5660686A (en) * 1994-09-02 1997-08-26 Ahlstrom Machinery Inc. Cooking with spent liquor pretreatment of cellulose material
SE9703365D0 (sv) * 1997-09-18 1997-09-18 Kvaerner Pulping Tech Method in connection with impregnation and digestion of lignocelulosic material
AU3253400A (en) * 1999-05-11 2000-11-30 Air Products And Chemicals Inc. Use of oxidized whiite liquor in a kraft mill digester
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
CA2681464C (en) * 2007-01-15 2017-01-03 Nihon Cellulose Co., Ltd. Pulp production process
BR112012016661A2 (pt) * 2010-01-05 2018-05-15 Basf Se composição para o transporte e armazenamento de energia térmica, uso da composição, e, instalação para gerar energia
FI129362B (fi) * 2017-05-16 2021-12-31 Andritz Oy Menetelmä kemiallisen massan tuottamiseksi

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3347739A (en) * 1962-09-15 1967-10-17 Ii George H Tomlinson Continuous sodium sulfide pulping of cellulosic material
US5053108A (en) * 1989-06-28 1991-10-01 Kamyr Ab High sulfidity cook for paper pulp using black liquor sulfonization of steamed chips
CA2103664C (en) * 1991-02-06 1997-08-19 Rolf Ryham Method of recovering energy and chemicals from black liquor

Also Published As

Publication number Publication date
JPH05163690A (ja) 1993-06-29
FI921254A0 (fi) 1992-03-24
NO920692D0 (no) 1992-02-21
DE69220853D1 (de) 1997-08-21
EP0517689A1 (de) 1992-12-09
FI921254A7 (fi) 1992-11-25
EP0517689B1 (de) 1997-07-16
NO920692L (no) 1992-11-25

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Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties