NO137015C - Fremgangsm}te for stabilisering av karbonhydratholdig fibermateriale ved oksydativ alkalisk behandling - Google Patents

Fremgangsm}te for stabilisering av karbonhydratholdig fibermateriale ved oksydativ alkalisk behandling

Info

Publication number
NO137015C
NO137015C NO4396/73A NO439673A NO137015C NO 137015 C NO137015 C NO 137015C NO 4396/73 A NO4396/73 A NO 4396/73A NO 439673 A NO439673 A NO 439673A NO 137015 C NO137015 C NO 137015C
Authority
NO
Norway
Prior art keywords
oxydidative
alkale
carbohydrate
stabilization
procedures
Prior art date
Application number
NO4396/73A
Other languages
English (en)
Norwegian (no)
Other versions
NO137015B (no
Inventor
Eero Vilhelm Sjoestroem
Olli Tapio Vaelttilae
Original Assignee
Ahlstroem Oy
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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of NO137015B publication Critical patent/NO137015B/no
Publication of NO137015C publication Critical patent/NO137015C/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
    • D21C9/1036—Use of compounds accelerating or improving the efficiency of the processes

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Coloring Foods And Improving Nutritive Qualities (AREA)
NO4396/73A 1972-11-16 1973-11-15 Fremgangsm}te for stabilisering av karbonhydratholdig fibermateriale ved oksydativ alkalisk behandling NO137015C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI3233/72A FI52877B (it) 1972-11-16 1972-11-16

Publications (2)

Publication Number Publication Date
NO137015B NO137015B (no) 1977-09-05
NO137015C true NO137015C (no) 1977-12-14

Family

ID=8508173

Family Applications (1)

Application Number Title Priority Date Filing Date
NO4396/73A NO137015C (no) 1972-11-16 1973-11-15 Fremgangsm}te for stabilisering av karbonhydratholdig fibermateriale ved oksydativ alkalisk behandling

Country Status (8)

Country Link
US (1) US3951732A (it)
JP (1) JPS5112723B2 (it)
CA (1) CA1026908A (it)
DE (1) DE2355741B2 (it)
ES (1) ES420507A1 (it)
FI (1) FI52877B (it)
FR (1) FR2207215B1 (it)
NO (1) NO137015C (it)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1031110A (en) * 1974-12-19 1978-05-16 Macmillan Bloedel Limited High yield pulping process
US4091749A (en) * 1975-01-02 1978-05-30 Macmillan Bloedel Limited Alkaline pulping of lignocellulosic material with amine pretreatment
FI51833C (it) * 1975-03-18 1978-01-24 Ahlstroem Oy
US4002526A (en) * 1975-10-10 1977-01-11 International Paper Company Oxygen-alkali delignification of low consistency wood pulp
CA1097463A (en) * 1976-12-13 1981-03-17 Naphtali N. Vanderhoek Pulping processes
SE434284B (sv) * 1980-05-07 1984-07-16 Mo Och Domsjoe Ab Forfarande vid syrgasdelignifiering av kemiskt uppsluten cellulosamassa varvid aromatiska diaminer tillfores
US4622100A (en) * 1984-10-01 1986-11-11 International Paper Company Process for the delignification of lignocellulosic material with oxygen, ferricyanide, and a protector
US5641385A (en) * 1995-01-17 1997-06-24 The Dow Chemical Company Use of ethyleneamine for washing pulp containing lignin
AUPN352095A0 (en) * 1995-06-13 1995-07-06 Ici Australia Operations Proprietary Limited Peroxide bleaching of pulp
JP3698178B2 (ja) * 1995-09-22 2005-09-21 三菱瓦斯化学株式会社 製紙用化学パルプの漂白方法
US11267838B2 (en) * 2017-04-17 2022-03-08 Board Of Trustees Of Michigan State University Methods for lignin depolymerization using thiols

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2192202A (en) * 1936-10-23 1940-03-05 Floyd C Peterson Pulping process
US2668110A (en) * 1948-06-18 1954-02-02 Spencer Method for fiber liberation in cotton stalks and the pulp
FR1387853A (fr) * 1963-09-19 1965-02-05 Air Liquide Délignification et blanchiment des pâtes cellulosiques chimiques et mi-chimiques
FR1404605A (fr) * 1964-05-22 1965-07-02 Air Liquide Perfectionnement à la délignification des pâtes chimiques de cellulose
SE355614B (it) * 1970-05-13 1973-04-30 Mo Och Domsjoe Ab

Also Published As

Publication number Publication date
DE2355741B2 (de) 1975-11-27
FI52877B (it) 1977-08-31
ES420507A1 (es) 1976-08-01
FR2207215B1 (it) 1976-05-07
DE2355741A1 (de) 1974-06-06
JPS49133601A (it) 1974-12-23
CA1026908A (en) 1978-02-28
US3951732A (en) 1976-04-20
JPS5112723B2 (it) 1976-04-22
NO137015B (no) 1977-09-05
FR2207215A1 (it) 1974-06-14

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