FR2173173B1 - - Google Patents

Info

Publication number
FR2173173B1
FR2173173B1 FR7306281A FR7306281A FR2173173B1 FR 2173173 B1 FR2173173 B1 FR 2173173B1 FR 7306281 A FR7306281 A FR 7306281A FR 7306281 A FR7306281 A FR 7306281A FR 2173173 B1 FR2173173 B1 FR 2173173B1
Authority
FR
France
Legal status (The legal status 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 status listed.)
Expired
Application number
FR7306281A
Other languages
French (fr)
Other versions
FR2173173A1 (en
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Pulp and Paper Research Institute Inc
Original Assignee
Japan Pulp and Paper Research Institute 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
Priority claimed from JP1834372A external-priority patent/JPS4887101A/ja
Priority claimed from JP2915872A external-priority patent/JPS4893701A/ja
Priority claimed from JP2915772A external-priority patent/JPS4893703A/ja
Priority claimed from JP2915972A external-priority patent/JPS4893702A/ja
Application filed by Japan Pulp and Paper Research Institute Inc filed Critical Japan Pulp and Paper Research Institute Inc
Publication of FR2173173A1 publication Critical patent/FR2173173A1/fr
Application granted granted Critical
Publication of FR2173173B1 publication Critical patent/FR2173173B1/fr
Granted legal-status Critical Current

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/0064—Aspects concerning the production and the treatment of green and white liquors, e.g. causticizing green liquor
    • D21C11/0078—Treatment of green or white liquors with other means or other compounds than gases, e.g. in order to separate solid compounds such as sodium chloride and carbonate from these liquors; Further treatment of these 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
    • D21C1/00—Pretreatment of the finely-divided materials before digesting
    • 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
FR7306281A 1972-02-22 1973-02-22 Delignification of wood - for paper paste mfr Granted FR2173173A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1834372A JPS4887101A (no) 1972-02-22 1972-02-22
JP2915872A JPS4893701A (no) 1972-03-23 1972-03-23
JP2915772A JPS4893703A (no) 1972-03-23 1972-03-23
JP2915972A JPS4893702A (no) 1972-03-23 1972-03-23

Publications (2)

Publication Number Publication Date
FR2173173A1 FR2173173A1 (en) 1973-10-05
FR2173173B1 true FR2173173B1 (no) 1975-10-31

Family

ID=27456941

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306281A Granted FR2173173A1 (en) 1972-02-22 1973-02-22 Delignification of wood - for paper paste mfr

Country Status (2)

Country Link
CA (1) CA982758A (no)
FR (1) FR2173173A1 (no)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE499700C (de) * 1927-02-14 1930-06-12 Giulio Consiglio Verfahren zur Herstellung von Zellstoff aus Pflanzenfaserstoffen
BE503934A (no) * 1951-04-12
FR1262703A (fr) * 1960-04-21 1961-06-05 Fabrication de pâte à partir de matières ligno-cellulosiques

Also Published As

Publication number Publication date
FR2173173A1 (en) 1973-10-05
CA982758A (en) 1976-02-03

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Legal Events

Date Code Title Description
TP Transmission of property
ST Notification of lapse