SE8202665L - Sett vid framstellning av sulfatmassa - Google Patents

Sett vid framstellning av sulfatmassa

Info

Publication number
SE8202665L
SE8202665L SE8202665A SE8202665A SE8202665L SE 8202665 L SE8202665 L SE 8202665L SE 8202665 A SE8202665 A SE 8202665A SE 8202665 A SE8202665 A SE 8202665A SE 8202665 L SE8202665 L SE 8202665L
Authority
SE
Sweden
Prior art keywords
liquor
preparation
delignification
sulphate pulp
pulp
Prior art date
Application number
SE8202665A
Other languages
Unknown language ( )
English (en)
Other versions
SE452482B (sv
Inventor
N J C Hartler
K-E Lekander
L T Sjodin
P J Mjoberg
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
Priority to SE8202665A priority Critical patent/SE452482B/sv
Priority to JP58073664A priority patent/JPS58197390A/ja
Priority to FI831449A priority patent/FI76384C/sv
Priority to FR8306910A priority patent/FR2526060B1/fr
Priority to NO831495A priority patent/NO161926C/no
Priority to AT0154583A priority patent/AT384047B/de
Priority to CA000426894A priority patent/CA1203055A/en
Priority to DE3315359A priority patent/DE3315359C2/de
Publication of SE8202665L publication Critical patent/SE8202665L/sv
Priority to US06/784,707 priority patent/US4690731A/en
Publication of SE452482B publication Critical patent/SE452482B/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
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes

Landscapes

  • Paper (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
SE8202665A 1982-04-28 1982-04-28 Forfarande for satsvis framstellning av sulfatmassa med hog delignifieringsgrad SE452482B (sv)

Priority Applications (9)

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
JP58073664A JPS58197390A (ja) 1982-04-28 1983-04-26 硫酸塩パルプの製造方法
FI831449A FI76384C (sv) 1982-04-28 1983-04-27 Sätt vid framställning av sulfatmassa
FR8306910A FR2526060B1 (fr) 1982-04-28 1983-04-27 Procede de fabrication de pate au sulfate
NO831495A NO161926C (no) 1982-04-28 1983-04-27 Fremgangsmaate for fremstilling av sulfatmasse.
AT0154583A AT384047B (de) 1982-04-28 1983-04-28 Verfahren zur herstellung von sulfatpuelpe
CA000426894A CA1203055A (en) 1982-04-28 1983-04-28 Method of making sulphate pulp
DE3315359A DE3315359C2 (de) 1982-04-28 1983-04-28 Verfahren zur Herstellung von Sulfatzellstoff
US06/784,707 US4690731A (en) 1982-04-28 1985-10-04 Method of making sulphate pulp

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
SE8202665L true SE8202665L (sv) 1983-10-29
SE452482B SE452482B (sv) 1987-11-30

Family

ID=20346666

Family Applications (1)

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

Country Status (9)

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

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 (sv) * 1985-11-29 1991-08-26 Ahlstroem Oy Förfarande för sänkning 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
US5256255A (en) * 1989-09-28 1993-10-26 Beloit Technologies, Inc. Displacement heating in continuous digesters
CA2066181C (en) * 1989-09-28 1995-09-26 Karl-Eric Bertil Fagerlund 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
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
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
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
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

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
BE630337A (sv) * 1962-03-30
FR1354383A (fr) * 1962-03-30 1964-03-06 Black Clawson Co Procédé et installation de fabrication en continu de pâte kraft
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
JPH0415312B2 (sv) 1992-03-17
JPS58197390A (ja) 1983-11-17
NO161926B (no) 1989-07-03
AT384047B (de) 1987-09-25
CA1203055A (en) 1986-04-15
FR2526060A1 (fr) 1983-11-04
US4690731A (en) 1987-09-01
SE452482B (sv) 1987-11-30
NO831495L (no) 1983-10-31
FI831449L (fi) 1983-10-29
FR2526060B1 (fr) 1985-12-06
NO161926C (no) 1989-10-11
ATA154583A (de) 1987-02-15
FI76384C (sv) 1988-10-10
FI831449A0 (fi) 1983-04-27
DE3315359C2 (de) 1995-11-16
FI76384B (fi) 1988-06-30
DE3315359A1 (de) 1983-11-10

Similar Documents

Publication Publication Date Title
SE8202665L (sv) Sett vid framstellning av sulfatmassa
FI874113A0 (fi) Foerfarande foer behandling av pappersmassa med entzymloesning.
SE7706247L (sv) Massakokningsforfarande
FI914353A0 (fi) Kraftkokning med vitlut tillsatt till tvaettcirkulationen.
SE7608696L (sv) Sett att framstella cellulosahaltiga massor i hogt utbyte och till lagkostnad
SE8501247D0 (sv) Sett att tillverka blekt, kemimekanisk och halvkemisk fibermassa med anvedning av tvastegsimpregnering
SE8304973L (sv) Forfarande for framstellning av kokvetska for kraftmassakokning
SE8403372D0 (sv) Fremgangsmate til delignifisering av kjemisk masse
SE9102013D0 (sv) Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet
FI912806A0 (fi) Ligninpreparat och foerfarande foer dess framstaellning.
FI93866B (sv) Förfarande för framställning av sulfatmassa
DK0576470T3 (da) Fremgangsmåde til reduktion af begproblemer i mekanisk træmasse
SE8405061D0 (sv) Sett att framstella cellulosamassa
SE8800713D0 (sv) Sett vid framstellning av cellulosamassa
DE3161365D1 (en) Method and mixture for producing cellulosic pulps
SE7510677L (sv) Forfarande vid framstellning av cellulosa enligt sulfitmetoden
SE8006737L (sv) Sett att framstella greaseproof-massa respektive greaseproof-papper
SE8405984L (sv) Forfarande for framstellning av sulfitcellulosa
FI914252A (sv) Framställning av cellulosamassa
CA2189899A1 (en) Cooking cellulose material using high alkali concentrations and/or high ph near the end of the cook
SU1567699A1 (ru) Способ получени древесной массы дл изготовлени газетной бумаги
ES2006957A6 (es) Procedimiento para obtener colas de naturaleza ligninica de aplicacion en el encolado del carton ondulado o flutting.
SE8204431D0 (sv) Forfarande for halvkemisk massatillverkning med ateranvendning av avluten
SE8800610D0 (sv) Production of high strength linerboard with oxygen and alkali

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 8202665-9

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 8202665-9

Format of ref document f/p: F