NO920692L - Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser - Google Patents

Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser

Info

Publication number
NO920692L
NO920692L NO92920692A NO920692A NO920692L NO 920692 L NO920692 L NO 920692L NO 92920692 A NO92920692 A NO 92920692A NO 920692 A NO920692 A NO 920692A NO 920692 L NO920692 L NO 920692L
Authority
NO
Norway
Prior art keywords
pulp
sulfide
supply
content
cooking
Prior art date
Application number
NO92920692A
Other languages
English (en)
Other versions
NO920692D0 (no
Inventor
Jian E Jiang
Joe R Phillips
Brian F Greenwood
Robert Prough
Kaj Henricson
Bertil C Stroemberg
Rolf Ryham
James W Smith
Original Assignee
Kamyr 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 Kamyr Inc filed Critical Kamyr Inc
Publication of NO920692D0 publication Critical patent/NO920692D0/no
Publication of NO920692L publication Critical patent/NO920692L/no

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)
  • Artificial Filaments (AREA)
  • Transition And Organic Metals Composition Catalysts For Addition Polymerization (AREA)
  • Catalysts (AREA)
NO92920692A 1991-05-24 1992-02-21 Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser NO920692L (no)

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 (2)

Publication Number Publication Date
NO920692D0 NO920692D0 (no) 1992-02-21
NO920692L true NO920692L (no) 1992-11-25

Family

ID=27265676

Family Applications (1)

Application Number Title Priority Date Filing Date
NO92920692A NO920692L (no) 1991-05-24 1992-02-21 Behandling av organiske svovelgasser, spesielt i kraftmasse systemer og prosesser

Country Status (6)

Country Link
EP (1) EP0517689B1 (no)
JP (1) JPH05163690A (no)
AT (1) ATE155540T1 (no)
DE (1) DE69220853D1 (no)
FI (1) FI921254A0 (no)
NO (1) NO920692L (no)

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
AU2697295A (en) * 1994-09-02 1996-03-27 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
CA2307486A1 (en) * 1999-05-11 2000-11-11 Air Products And Chemicals, Inc. Use of oxidized white liquor in a kraft mill digester
US20070240837A1 (en) * 2006-04-13 2007-10-18 Andritz Inc. Hardwood alkaline pulping processes and systems
MY148826A (en) 2007-01-15 2013-06-14 Nihon Cellulose Co Ltd Method for production of pulp
WO2011083053A1 (de) * 2010-01-05 2011-07-14 Basf Se Wärmeträger- und wärmespeicherflüssigkeiten für extrem hohe temperaturen auf der basis von polysulfiden
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
EP0738343B1 (en) * 1991-02-06 1999-09-29 Ahlstrom Machinery Oy A method of recovering energy and chemicals from black liquor

Also Published As

Publication number Publication date
DE69220853D1 (de) 1997-08-21
NO920692D0 (no) 1992-02-21
EP0517689A1 (en) 1992-12-09
JPH05163690A (ja) 1993-06-29
EP0517689B1 (en) 1997-07-16
FI921254A0 (fi) 1992-03-24
ATE155540T1 (de) 1997-08-15

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