NO781646L - Fremgangsmaate for aa regulere tilfoerselen av reaksjonskjemikalier ved fjernelse av lignin fra cellulosematerialer - Google Patents

Fremgangsmaate for aa regulere tilfoerselen av reaksjonskjemikalier ved fjernelse av lignin fra cellulosematerialer

Info

Publication number
NO781646L
NO781646L NO78781646A NO781646A NO781646L NO 781646 L NO781646 L NO 781646L NO 78781646 A NO78781646 A NO 78781646A NO 781646 A NO781646 A NO 781646A NO 781646 L NO781646 L NO 781646L
Authority
NO
Norway
Prior art keywords
cellulosis
lignin
regulating
removal
procedure
Prior art date
Application number
NO78781646A
Other languages
English (en)
Other versions
NO151046C (no
NO151046B (no
Inventor
John Rickard Bergstroem
Sten Lage Haeggstroem
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
Publication of NO781646L publication Critical patent/NO781646L/no
Publication of NO151046B publication Critical patent/NO151046B/no
Publication of NO151046C publication Critical patent/NO151046C/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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1026—Other features in bleaching processes
    • D21C9/1052—Controlling the process
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S162/00—Paper making and fiber liberation
    • Y10S162/09—Uses for paper making sludge
    • Y10S162/10—Computer control of paper making variables

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pretreatment Of Seeds And Plants (AREA)
  • Treatment Of Sludge (AREA)
NO781646A 1977-05-11 1978-05-10 Fremgangsmaate for aa regulere tilfoerselen av reaksjonskjemikalier ved fjernelse av lignin fra cellulosematerialer NO151046C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7705513A SE415580C (sv) 1977-05-11 1977-05-11 Forfarande for reglering av tillforseln av reaktionskemikalier vid delignifiering av cellulosamaterial

Publications (3)

Publication Number Publication Date
NO781646L true NO781646L (no) 1978-11-14
NO151046B NO151046B (no) 1984-10-22
NO151046C NO151046C (no) 1985-01-30

Family

ID=20331289

Family Applications (1)

Application Number Title Priority Date Filing Date
NO781646A NO151046C (no) 1977-05-11 1978-05-10 Fremgangsmaate for aa regulere tilfoerselen av reaksjonskjemikalier ved fjernelse av lignin fra cellulosematerialer

Country Status (9)

Country Link
US (1) US4348256A (no)
JP (1) JPS53139806A (no)
BR (1) BR7802938A (no)
CA (1) CA1099058A (no)
DE (1) DE2819860C2 (no)
FI (1) FI69494C (no)
FR (1) FR2390542A1 (no)
NO (1) NO151046C (no)
SE (1) SE415580C (no)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE421019B (sv) * 1980-08-26 1981-11-16 Kamyr Ab Forfarande for kemikaliereglering vid behandling av en substans, speciellt massa, med gas
JPS60155025A (ja) * 1984-01-25 1985-08-14 Nissan Motor Co Ltd シヨツクアブソ−バ
US5032976A (en) * 1989-06-13 1991-07-16 Elsag International B.V. System for modeling and control for delignification of pulping
US5032977A (en) * 1989-06-13 1991-07-16 Elsag International B.V. System for modeling and control for delignification of pulping
US5301102A (en) * 1991-10-07 1994-04-05 Westvaco Corporation Multivariable control of a Kamyr digester
US5403441A (en) * 1992-11-13 1995-04-04 Union Camp Patent Holding, Inc. Method for controlling an ozone bleaching process
US5736004A (en) * 1995-03-03 1998-04-07 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
US5672247A (en) * 1995-03-03 1997-09-30 Union Camp Patent Holding, Inc. Control scheme for rapid pulp delignification and bleaching
SE514543C2 (sv) * 1995-03-08 2001-03-12 Kvaerner Pulping Tech Apparat för inblandning av ett första fluidum i ett andra fluidum
US6153050A (en) * 1998-03-24 2000-11-28 Noranda Forest Inc. Method and system for controlling the addition of bleaching reagents to obtain a substantially constant percentage of pulp delignification across the first bleaching/delignifying stage
DE19920338A1 (de) * 1999-05-03 2000-11-16 Voith Sulzer Papiertech Patent Verfahren zur Erhöhung des Weißgrades von Papierfaserstoff
WO2012166997A2 (en) 2011-05-31 2012-12-06 Clean Chemistry, Llc Electrochemical reactor and process
US20170107128A1 (en) 2012-09-07 2017-04-20 Clean Chemistry, Inc. System and method for generation of reactive oxygen species and applications thereof
CA2960104C (en) 2014-09-04 2023-05-02 Clean Chemistry, Inc. Method of water treatment utilizing a peracetate oxidant solution
US10472265B2 (en) 2015-03-26 2019-11-12 Clean Chemistry, Inc. Systems and methods of reducing a bacteria population in high hydrogen sulfide water
US10400392B2 (en) * 2015-10-05 2019-09-03 Valmet Automation Oy Measurement apparatus and method
US10883224B2 (en) 2015-12-07 2021-01-05 Clean Chemistry, Inc. Methods of pulp fiber treatment
WO2017100299A1 (en) 2015-12-07 2017-06-15 Clean Chemistry, Inc. Methods of pulp fiber treatment
US11136714B2 (en) 2016-07-25 2021-10-05 Clean Chemistry, Inc. Methods of optical brightening agent removal
FR3067275B1 (fr) 2017-06-07 2022-08-12 Timothee Boitouzet Procede de delignification partielle par voie supercritique ou subcritique et de remplissage d'un materiau ligno-cellulosique
US11001864B1 (en) 2017-09-07 2021-05-11 Clean Chemistry, Inc. Bacterial control in fermentation systems
US11311012B1 (en) 2017-09-07 2022-04-26 Clean Chemistry, Inc. Bacterial control in fermentation systems
FR3077895B1 (fr) 2018-02-09 2020-02-28 Sas Woodoo Dispositif de detection tactile avec interface tactile en materiau composite

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1009131A (no) * 1900-01-01
US2466290A (en) * 1944-03-15 1949-04-05 Paper Chemistry Inst Method of digesting pulp by the alkaline process
US3562384A (en) * 1960-11-08 1971-02-09 Miles Lab Immunological indicator and test system
US3486971A (en) * 1967-11-03 1969-12-30 Systematix Controls Inc Control of chlorine dioxide bleaching
US3679543A (en) * 1970-08-18 1972-07-25 Calgon Corp Controlling the cooking process in pulp digestion by differential conductivity measurements
USB300004I5 (no) 1970-10-02 1975-01-28 Westinghouse Electric Corp
FI47786C (fi) * 1972-02-28 1974-03-11 Neste Oy Menetelmä selluun kohdistuvan jatkuvan valkaisuprosessi automaattiseks i säätämiseksi.
SE399966B (sv) * 1973-10-17 1978-03-06 Mo Och Domsjoe Ab Sett att reglera mengden kemiska emnen i inom cellulosaindustrin och beslektade industrier forekommande vetskor

Also Published As

Publication number Publication date
JPS5730439B2 (no) 1982-06-29
FI781272A (fi) 1978-11-12
FI69494B (fi) 1985-10-31
FR2390542A1 (fr) 1978-12-08
NO151046C (no) 1985-01-30
NO151046B (no) 1984-10-22
JPS53139806A (en) 1978-12-06
DE2819860C2 (de) 1981-10-08
CA1099058A (en) 1981-04-14
BR7802938A (pt) 1979-01-23
SE415580B (sv) 1980-10-13
SE7705513L (sv) 1978-11-12
DE2819860A1 (de) 1978-11-16
FI69494C (fi) 1986-02-10
FR2390542B1 (no) 1982-08-06
US4348256A (en) 1982-09-07
SE415580C (sv) 1984-10-15

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