SE8704310D0 - Forfarande och anleggning for framstellning av hogutbytesmassor fran material i flisform innehallande lignocellulosa - Google Patents

Forfarande och anleggning for framstellning av hogutbytesmassor fran material i flisform innehallande lignocellulosa

Info

Publication number
SE8704310D0
SE8704310D0 SE8704310A SE8704310A SE8704310D0 SE 8704310 D0 SE8704310 D0 SE 8704310D0 SE 8704310 A SE8704310 A SE 8704310A SE 8704310 A SE8704310 A SE 8704310A SE 8704310 D0 SE8704310 D0 SE 8704310D0
Authority
SE
Sweden
Prior art keywords
station
pct
steam
liquid
mixture
Prior art date
Application number
SE8704310A
Other languages
English (en)
Other versions
SE8704310L (sv
SE462287B (sv
Inventor
H Larsen
L Klinga
Original Assignee
Celleco 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 Celleco Ab filed Critical Celleco Ab
Priority to SE8704310A priority Critical patent/SE462287B/sv
Publication of SE8704310D0 publication Critical patent/SE8704310D0/sv
Priority to EP88909843A priority patent/EP0386082A1/en
Priority to PCT/SE1988/000596 priority patent/WO1989004394A1/en
Priority to US07/784,735 priority patent/US5164042A/en
Publication of SE8704310L publication Critical patent/SE8704310L/sv
Priority to FI902229A priority patent/FI902229A0/fi
Publication of SE462287B publication Critical patent/SE462287B/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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)
SE8704310A 1987-11-04 1987-11-04 Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial SE462287B (sv)

Priority Applications (5)

Application Number Priority Date Filing Date Title
SE8704310A SE462287B (sv) 1987-11-04 1987-11-04 Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial
EP88909843A EP0386082A1 (en) 1987-11-04 1988-11-04 Method and plant for producing high-grade pulp from chip material containing lignocellulose
PCT/SE1988/000596 WO1989004394A1 (en) 1987-11-04 1988-11-04 Method and plant for producing high-grade pulp from chip material containing lignocellulose
US07/784,735 US5164042A (en) 1987-11-04 1988-11-04 Method and plant for producing high-yield pulp from pulp chip material containing lignocellulose
FI902229A FI902229A0 (fi) 1987-11-04 1990-05-03 Metod och anlaeggning foer produktion av hoegutbytesmassa utgaoende fraon lignocellulosa innehaollande flismaterial.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8704310A SE462287B (sv) 1987-11-04 1987-11-04 Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial

Publications (3)

Publication Number Publication Date
SE8704310D0 true SE8704310D0 (sv) 1987-11-04
SE8704310L SE8704310L (sv) 1989-05-05
SE462287B SE462287B (sv) 1990-05-28

Family

ID=20370113

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8704310A SE462287B (sv) 1987-11-04 1987-11-04 Foerfarande och anlaeggning foer framstaellning av hoegutbytesmassor ur lignocellulosamateial

Country Status (5)

Country Link
US (1) US5164042A (sv)
EP (1) EP0386082A1 (sv)
FI (1) FI902229A0 (sv)
SE (1) SE462287B (sv)
WO (1) WO1989004394A1 (sv)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ248884A (en) * 1993-10-07 1995-10-26 Convertech Group Ltd Hydrolysis and/or drying of biological material with steam
NZ248895A (en) * 1993-10-08 1995-07-26 Convertech Group Ltd Transfer device having intermittently rotated carousel having through passageways with assembly sealing pressure maximised during rotor dwell periods
US5753075A (en) * 1996-10-25 1998-05-19 Stromberg; C. Bertil Method and system for feeding comminuted fibrous material
US6106668A (en) * 1996-10-25 2000-08-22 Ahlstrom Machinery Inc. Method for feeding comminuted fibrous material
US6325890B1 (en) * 1996-10-25 2001-12-04 Andritz-Ahlstrom Inc. Feeding comminuted fibrous material
US6306248B1 (en) 1997-11-20 2001-10-23 The University Of Alabama In Huntsville Method for transforming diverse pulp and paper products into a homogenous cellulosic feedstock
US11655588B2 (en) * 2017-05-24 2023-05-23 Valmet Ab System and chip chute for feeding comminuted cellulosic material

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858213A (en) * 1956-04-20 1958-10-28 Condi Engineering Corp Wood chip digestion
US3165436A (en) * 1961-09-11 1965-01-12 Lummus Co Continuous impregnating and pulping process
US3303088A (en) * 1963-04-19 1967-02-07 Lummus Co Continuous liquid-phase rapid pulping
US3525665A (en) * 1965-10-22 1970-08-25 Lummus Co Method of transferring impregnated wood chips from an impregnating vessel to a digester
US4190490A (en) * 1974-04-03 1980-02-26 Domtar Inc. Impregnation and digestion of wood chips
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
SE451202C (sv) * 1981-04-03 1989-04-17 Ole Axelson Foerfarande foer framstaellning av kemimekanisk massa
SE8501246L (sv) * 1985-03-13 1986-09-14 Eka Ab Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvendning av enstegsimpregnering

Also Published As

Publication number Publication date
FI902229A0 (fi) 1990-05-03
US5164042A (en) 1992-11-17
SE8704310L (sv) 1989-05-05
EP0386082A1 (en) 1990-09-12
WO1989004394A1 (en) 1989-05-18
SE462287B (sv) 1990-05-28

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