SE453840B - Forfarande vid framstellning av cellulosamassa - Google Patents

Forfarande vid framstellning av cellulosamassa

Info

Publication number
SE453840B
SE453840B SE8406536A SE8406536A SE453840B SE 453840 B SE453840 B SE 453840B SE 8406536 A SE8406536 A SE 8406536A SE 8406536 A SE8406536 A SE 8406536A SE 453840 B SE453840 B SE 453840B
Authority
SE
Sweden
Prior art keywords
cooking
liquid
cooking liquid
line
molecular weight
Prior art date
Application number
SE8406536A
Other languages
English (en)
Swedish (sv)
Other versions
SE8406536D0 (sv
SE8406536L (sv
Inventor
L U F Thorsell
N O Nilsson
Original Assignee
Mo Och Domsjoe 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 Mo Och Domsjoe Ab filed Critical Mo Och Domsjoe Ab
Priority to SE8406536A priority Critical patent/SE453840B/sv
Publication of SE8406536D0 publication Critical patent/SE8406536D0/xx
Priority to NZ214210A priority patent/NZ214210A/en
Priority to AU50736/85A priority patent/AU573056B2/en
Priority to JP60280853A priority patent/JPS61152892A/ja
Priority to FI855039A priority patent/FI81392C/fi
Priority to NO855157A priority patent/NO166416C/no
Priority to PT81750A priority patent/PT81750B/pt
Priority to DE19853545386 priority patent/DE3545386A1/de
Priority to FR858518906A priority patent/FR2575198B1/fr
Priority to ES550239A priority patent/ES8706881A1/es
Priority to CA000498524A priority patent/CA1264403A/en
Priority to US06/812,430 priority patent/US4670098A/en
Publication of SE8406536L publication Critical patent/SE8406536L/xx
Publication of SE453840B publication Critical patent/SE453840B/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
    • B01D61/14—Ultrafiltration; Microfiltration
    • B01D61/145—Ultrafiltration
    • 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
    • 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
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Water Supply & Treatment (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Micro-Organisms Or Cultivation Processes Thereof (AREA)
  • Immobilizing And Processing Of Enzymes And Microorganisms (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
SE8406536A 1984-12-21 1984-12-21 Forfarande vid framstellning av cellulosamassa SE453840B (sv)

Priority Applications (12)

Application Number Priority Date Filing Date Title
SE8406536A SE453840B (sv) 1984-12-21 1984-12-21 Forfarande vid framstellning av cellulosamassa
NZ214210A NZ214210A (en) 1984-12-21 1985-11-15 Method of treating cellulose pulp
AU50736/85A AU573056B2 (en) 1984-12-21 1985-12-03 A method for manufacturing cellulose pulp
JP60280853A JPS61152892A (ja) 1984-12-21 1985-12-12 セルロースパルプの製造法
FI855039A FI81392C (fi) 1984-12-21 1985-12-17 Foerfarande foer framstaellning av cellulosamassa.
NO855157A NO166416C (no) 1984-12-21 1985-12-19 Fremgangsmaate ved fremstilling av cellulosemasse.
ES550239A ES8706881A1 (es) 1984-12-21 1985-12-20 Un metodo mejorado para producir pasta celulosica.
PT81750A PT81750B (pt) 1984-12-21 1985-12-20 Processo para a fabricacao de polpa de celulose
DE19853545386 DE3545386A1 (de) 1984-12-21 1985-12-20 Verfahren zur herstellung von cellulose-halbstoff
FR858518906A FR2575198B1 (fr) 1984-12-21 1985-12-20 Procede de fabrication de pate de cellulose
CA000498524A CA1264403A (en) 1984-12-21 1985-12-23 Process for preparing cellulose pulp from lignocellulosic material while removing high molecular weight substances from the pulping liquor
US06/812,430 US4670098A (en) 1984-12-21 1985-12-23 Process for preparing cellulose pulp from lignocellulosic material while removing high molecular weight substances from the pulping liquor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8406536A SE453840B (sv) 1984-12-21 1984-12-21 Forfarande vid framstellning av cellulosamassa

Publications (3)

Publication Number Publication Date
SE8406536D0 SE8406536D0 (sv) 1984-12-21
SE8406536L SE8406536L (sv) 1986-06-22
SE453840B true SE453840B (sv) 1988-03-07

Family

ID=20358261

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8406536A SE453840B (sv) 1984-12-21 1984-12-21 Forfarande vid framstellning av cellulosamassa

Country Status (12)

Country Link
US (1) US4670098A (no)
JP (1) JPS61152892A (no)
AU (1) AU573056B2 (no)
CA (1) CA1264403A (no)
DE (1) DE3545386A1 (no)
ES (1) ES8706881A1 (no)
FI (1) FI81392C (no)
FR (1) FR2575198B1 (no)
NO (1) NO166416C (no)
NZ (1) NZ214210A (no)
PT (1) PT81750B (no)
SE (1) SE453840B (no)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE453840B (sv) * 1984-12-21 1988-03-07 Mo Och Domsjoe Ab Forfarande vid framstellning av cellulosamassa
JPS6290389A (ja) * 1985-10-14 1987-04-24 王子製紙株式会社 アルカリ性パルプ蒸解廃液の処理方法
US5788812A (en) * 1985-11-05 1998-08-04 Agar; Richard C. Method of recovering furfural from organic pulping liquor
CA2070500C (en) * 1991-06-13 1997-10-14 Ted Mcvay Reactive phenolic resin modifier
US5536366A (en) * 1993-05-04 1996-07-16 Ahlstrom Machinery Inc. Digester system for implementing low dissolved solids profiling
US6132556A (en) * 1993-05-04 2000-10-17 Andritz-Ahlstrom Inc. Method of controlling pulp digester pressure via liquor extraction
US5489363A (en) * 1993-05-04 1996-02-06 Kamyr, Inc. Pulping with low dissolved solids for improved pulp strength
US5824188A (en) * 1993-05-04 1998-10-20 Ahlstrom Machinery Inc. Method of controlling the pressure of a continuous digester using an extraction-dilution
WO1997023279A1 (de) * 1995-12-23 1997-07-03 Krebs & Co. Ag Verfahren zur reinigung einer mit fadenmolekülen verschmutzten flüssigkeit
AT403301B (de) * 1996-04-04 1998-01-26 Impco Voest Alpine Pulp Tech Kontinuierliche flüssigkeitsführung
US5985096A (en) * 1997-09-23 1999-11-16 Ahlstrom Machinery Inc. Vertical pulping digester having substantially constant diameter
US6752903B2 (en) * 2001-07-27 2004-06-22 Craig A. Bianchini Method for mitigating the interference caused by high-molecular weight by-products in pulping processes
SE520956C2 (sv) * 2001-12-05 2003-09-16 Kvaerner Pulping Tech Kontinuerlig kokning med extra uppehållstid för avdragen vätska utanför kokaren
WO2004013409A1 (en) * 2002-07-25 2004-02-12 Coffin World Water Systems Apparatus and method for treating black liquor
EP2061927A2 (en) * 2006-05-19 2009-05-27 The Research Foundation of the State University of New York Methods for carbonate pretreatment and pulping of cellulosic material
US8303767B2 (en) * 2008-03-18 2012-11-06 The Research Foundation Of State University Of New York Methods of pretreating comminuted cellulosic material with carbonate-containing solutions
FI127816B (en) * 2012-06-06 2019-03-15 Upm Kymmene Corp Process for fractionating lignin
NL2020102B1 (en) * 2017-12-15 2019-06-25 Miscancell B V Multi-step process for the isolation of components from Miscanthus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB703102A (en) * 1951-06-21 1954-01-27 Courtaulds Ltd Improvements in and relating to the production of wood pulp
JPS4856902A (no) * 1971-02-11 1973-08-10
CH560289A5 (no) * 1971-12-30 1975-03-27 Danske Sukkerfab
JPS55107593A (en) * 1979-02-09 1980-08-18 Sanyo Kokusaku Pulp Co Liquid exhausting treatment of kraft pulp
SE453840B (sv) * 1984-12-21 1988-03-07 Mo Och Domsjoe Ab Forfarande vid framstellning av cellulosamassa

Also Published As

Publication number Publication date
FR2575198B1 (fr) 1989-08-25
NO166416B (no) 1991-04-08
SE8406536D0 (sv) 1984-12-21
FI81392B (fi) 1990-06-29
JPS61152892A (ja) 1986-07-11
AU5073685A (en) 1986-06-26
NO166416C (no) 1991-07-17
PT81750A (en) 1986-01-02
PT81750B (pt) 1987-12-30
US4670098A (en) 1987-06-02
NZ214210A (en) 1988-02-12
CA1264403A (en) 1990-01-16
FI81392C (fi) 1990-10-10
FI855039A (fi) 1986-06-22
DE3545386A1 (de) 1986-07-03
SE8406536L (sv) 1986-06-22
ES8706881A1 (es) 1987-06-16
DE3545386C2 (no) 1989-12-07
NO855157L (no) 1986-06-23
AU573056B2 (en) 1988-05-26
JPH0355598B2 (no) 1991-08-23
FR2575198A1 (fr) 1986-06-27
ES550239A0 (es) 1987-06-16
FI855039A0 (fi) 1985-12-17

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