FI54942C - Foerfarande foer fibrering eller blekning av vaextaemnen - Google Patents

Foerfarande foer fibrering eller blekning av vaextaemnen

Info

Publication number
FI54942C
FI54942C FI1694/72A FI169472A FI54942C FI 54942 C FI54942 C FI 54942C FI 1694/72 A FI1694/72 A FI 1694/72A FI 169472 A FI169472 A FI 169472A FI 54942 C FI54942 C FI 54942C
Authority
FI
Finland
Prior art keywords
vaextaemnen
fibrering
blekning
eller
foerfarande foer
Prior art date
Application number
FI1694/72A
Other languages
English (en)
Other versions
FI54942B (fi
Inventor
Hiroshi Matsuura
Original Assignee
Japan Pulp & Paper Res Inc
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 Japan Pulp & Paper Res Inc filed Critical Japan Pulp & Paper Res Inc
Publication of FI54942B publication Critical patent/FI54942B/fi
Application granted granted Critical
Publication of FI54942C publication Critical patent/FI54942C/fi

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
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • 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
    • D21C11/0014—Combination of various pulping processes with one or several recovery systems (cross-recovery)
    • 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
    • D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
    • 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P40/00—Technologies relating to the processing of minerals
    • Y02P40/40—Production or processing of lime, e.g. limestone regeneration of lime in pulp and sugar mills

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
FI1694/72A 1971-06-14 1972-06-14 Foerfarande foer fibrering eller blekning av vaextaemnen FI54942C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP46042438A JPS4943481B1 (fi) 1971-06-14 1971-06-14

Publications (2)

Publication Number Publication Date
FI54942B FI54942B (fi) 1978-12-29
FI54942C true FI54942C (fi) 1979-04-10

Family

ID=12636059

Family Applications (1)

Application Number Title Priority Date Filing Date
FI1694/72A FI54942C (fi) 1971-06-14 1972-06-14 Foerfarande foer fibrering eller blekning av vaextaemnen

Country Status (5)

Country Link
US (1) US4070233A (fi)
JP (1) JPS4943481B1 (fi)
CA (1) CA958504A (fi)
FI (1) FI54942C (fi)
SE (1) SE394122B (fi)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU619580B2 (en) * 1988-08-23 1992-01-30 Sappi Limited Elimination of bleach effluents
US6322768B1 (en) 1998-09-29 2001-11-27 International Paper Company Recovery of chlorine dioxide from gas streams
DE10158120A1 (de) * 2001-11-27 2003-06-18 Ties Karstens Verfahren zum Abtrennen von Xylose aus xylanreichen Lignocellulosen, insbesondere Holz
FI115227B (fi) * 2002-01-23 2005-03-31 Rinheat Oy Menetelmä mekaanisesti kuidutetun massan valkaisemiseksi
CA2607827C (en) * 2005-05-04 2013-11-19 Novozymes North America, Inc. Chlorine dioxide treatment compositions and processes

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2092945A (en) * 1934-08-15 1937-09-14 Mathieson Alkali Works Inc Manufacture of water soluble chlorites
US2169473A (en) * 1935-02-08 1939-08-15 Cellulose Res Corp Method of producing cellulose pulp
US2805168A (en) * 1953-05-06 1957-09-03 Agrashell Inc Chemically modified ligno-cellulosic materials
US2882965A (en) * 1955-02-23 1959-04-21 Columbia Cellulose Company Ltd High viscosity, high percentage alpha cellulose from sulfite pulp
US3251730A (en) * 1960-07-14 1966-05-17 Watanabe Sadayoshi Process for the purification of a pulp by oxidation with oxygen
US3269095A (en) * 1962-12-05 1966-08-30 Mo Och Domsjoe Ab Method of removing chlorine compounds from gases obtained by combustion of waste liquors
US3366534A (en) * 1964-08-14 1968-01-30 Hooker Chemical Corp Complete chemical system for a kraft mill
US3296064A (en) * 1965-05-04 1967-01-03 William T Neiman Method of treating cellulosic pulping waste liquors with magnesium oxide to form a complex prior to burning thereof
US3632469A (en) * 1969-06-05 1972-01-04 Ethyl Corp Process for the manufacture of dissolving grade pulp
CA947010A (en) * 1971-02-23 1974-05-14 Erco Envirotech Ltd. Chlorination of alkali metal carbonates recovered from the production of pulp
JPS5312943B2 (fi) * 1972-06-16 1978-05-06

Also Published As

Publication number Publication date
SE394122B (sv) 1977-06-06
FI54942B (fi) 1978-12-29
US4070233A (en) 1978-01-24
JPS4943481B1 (fi) 1974-11-21
CA958504A (en) 1974-12-03

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