FI831449A0 - Saett vid framstaellning av sulfatmassa - Google Patents

Saett vid framstaellning av sulfatmassa

Info

Publication number
FI831449A0
FI831449A0 FI831449A FI831449A FI831449A0 FI 831449 A0 FI831449 A0 FI 831449A0 FI 831449 A FI831449 A FI 831449A FI 831449 A FI831449 A FI 831449A FI 831449 A0 FI831449 A0 FI 831449A0
Authority
FI
Finland
Prior art keywords
sulfatmassa
vid framstaellning
saett
saett vid
framstaellning
Prior art date
Application number
FI831449A
Other languages
English (en)
Other versions
FI76384C (fi
FI76384B (fi
FI831449L (fi
Inventor
Nils Josef Christoffer Hartler
Karl-Erik Lekander
Lars Torsten Sjoedin
Per Johan Mjoeberg
Original Assignee
Sunds Defibrator
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 Sunds Defibrator filed Critical Sunds Defibrator
Publication of FI831449A0 publication Critical patent/FI831449A0/fi
Publication of FI831449L publication Critical patent/FI831449L/fi
Application granted granted Critical
Publication of FI76384B publication Critical patent/FI76384B/fi
Publication of FI76384C publication Critical patent/FI76384C/fi

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00Pulping cellulose-containing materials
    • D21C3/22Other features of pulping processes
FI831449A 1982-04-28 1983-04-27 Saett vid framstaellning av sulfatmassa. FI76384C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8202665A SE452482B (sv) 1982-04-28 1982-04-28 Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad
SE8202665 1982-04-28

Publications (4)

Publication Number Publication Date
FI831449A0 true FI831449A0 (fi) 1983-04-27
FI831449L FI831449L (fi) 1983-10-29
FI76384B FI76384B (fi) 1988-06-30
FI76384C FI76384C (fi) 1988-10-10

Family

ID=20346666

Family Applications (1)

Application Number Title Priority Date Filing Date
FI831449A FI76384C (fi) 1982-04-28 1983-04-27 Saett vid framstaellning av sulfatmassa.

Country Status (9)

Country Link
US (1) US4690731A (fi)
JP (1) JPS58197390A (fi)
AT (1) AT384047B (fi)
CA (1) CA1203055A (fi)
DE (1) DE3315359C2 (fi)
FI (1) FI76384C (fi)
FR (1) FR2526060B1 (fi)
NO (1) NO161926C (fi)
SE (1) SE452482B (fi)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5015333A (en) * 1983-07-20 1991-05-14 Beloit Corporation Multi-stage pulp washing within a batch digester
FI75615C (fi) * 1985-11-29 1991-08-26 Ahlstroem Oy Foerfarande foer saenkning av svartlutens viskositet.
US5066362A (en) * 1987-12-01 1991-11-19 Kamyr, Inc. Extended delignification in pressure diffusers
US5021127A (en) * 1987-12-01 1991-06-04 Kamyr, Inc. Extended delignification in pressure diffusers
CA2066181C (en) * 1989-09-28 1995-09-26 Karl-Eric Bertil Fagerlund Displacement heating in continuous digesters
US5256255A (en) * 1989-09-28 1993-10-26 Beloit Technologies, Inc. Displacement heating in continuous digesters
US5080757A (en) * 1989-10-30 1992-01-14 Beloit Corporation Method to displace a digester from both ends
US5059284A (en) * 1989-10-30 1991-10-22 Beloit Corporation Apparatus to displace a digester from both ends
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5522958A (en) * 1994-07-18 1996-06-04 Pulp And Paper Research Institute Of Canada Two-stage kraft cooking
US5795438A (en) * 1996-11-04 1998-08-18 Ahlstrom Machinery Inc. Method and apparatus for feeding multiple digesters
US5958181A (en) * 1997-08-07 1999-09-28 Ahlstrom Machinery, Inc. Continuous cooking with a two-stage cool impregnation
US5885414A (en) * 1997-08-18 1999-03-23 Kvaerner Pulping Ab Method of producing pulp with high alkali cooking in the last cooking stage
US20010032711A1 (en) * 1998-10-26 2001-10-25 C. Bertil Stromberg Pulp cooking with particular alkali profiles
CN1297708C (zh) * 2003-08-26 2007-01-31 山东泉林纸业有限责任公司 一种用球内洗涤分级蒸煮工艺生产的浓黑液、黑液
CN1318690C (zh) * 2003-08-26 2007-05-30 山东泉林纸业有限责任公司 一种球内洗涤分级蒸煮工艺

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1645754A (en) * 1926-09-10 1927-10-18 Jr Wallace H Howell Method and apparatus for producing paper pulp
US1816343A (en) * 1929-05-15 1931-07-28 Brown Co Process of refining raw cellulose pulp
US2041597A (en) * 1933-09-01 1936-05-19 Chemipulp Process Inc Digesting process and apparatus
US2195378A (en) * 1935-11-22 1940-03-26 Chemipulp Process Inc Process of producing cellulosic pulp
US2849315A (en) * 1953-05-07 1958-08-26 Haglund Gustaf Digestion of wood
FR1354383A (fr) * 1962-03-30 1964-03-06 Black Clawson Co Procédé et installation de fabrication en continu de pâte kraft
BE630337A (fi) * 1962-03-30
US3467573A (en) * 1965-12-13 1969-09-16 Improved Machinery Inc Upflow digester containing means for separate removal of wash liquor and pulping liquor and method of pulping in said digester
US3294623A (en) * 1966-02-23 1966-12-27 Int Paper Co Continuous digestion and purification with recirculation of liquor
BR7406365D0 (pt) * 1974-08-02 1974-11-19 Suzano Papel & Celulose Equipamento e metodo para delignificar materiais fibrosos com solucoes alcalinas
US4236961A (en) * 1979-07-25 1980-12-02 Green Frank B Pulping lignocellulose in continuous pressurized batch digesters

Also Published As

Publication number Publication date
SE8202665L (sv) 1983-10-29
ATA154583A (de) 1987-02-15
DE3315359A1 (de) 1983-11-10
FI76384C (fi) 1988-10-10
FI76384B (fi) 1988-06-30
FR2526060B1 (fr) 1985-12-06
FR2526060A1 (fr) 1983-11-04
JPH0415312B2 (fi) 1992-03-17
CA1203055A (en) 1986-04-15
NO161926B (no) 1989-07-03
JPS58197390A (ja) 1983-11-17
FI831449L (fi) 1983-10-29
SE452482B (sv) 1987-11-30
AT384047B (de) 1987-09-25
DE3315359C2 (de) 1995-11-16
NO831495L (no) 1983-10-31
NO161926C (no) 1989-10-11
US4690731A (en) 1987-09-01

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SUNDS DEFIBRATOR AKTIEBOLAG