FR2177975B1 - - Google Patents

Info

Publication number
FR2177975B1
FR2177975B1 FR7310739A FR7310739A FR2177975B1 FR 2177975 B1 FR2177975 B1 FR 2177975B1 FR 7310739 A FR7310739 A FR 7310739A FR 7310739 A FR7310739 A FR 7310739A FR 2177975 B1 FR2177975 B1 FR 2177975B1
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
FR7310739A
Other languages
French (fr)
Other versions
FR2177975A1 (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 JP3018572A external-priority patent/JPS5611797B2/ja
Priority claimed from JP3018472A external-priority patent/JPS5611796B2/ja
Application filed by Japan Pulp and Paper Research Institute Inc filed Critical Japan Pulp and Paper Research Institute Inc
Publication of FR2177975A1 publication Critical patent/FR2177975A1/fr
Application granted granted Critical
Publication of FR2177975B1 publication Critical patent/FR2177975B1/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
    • D21C11/04—Regeneration of pulp liquors or effluent waste waters of alkali lye
    • 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
FR7310739A 1972-03-25 1973-03-26 Paper pulp waste liquor - purified and chemicals recycled Granted FR2177975A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP3018572A JPS5611797B2 (zh) 1972-03-25 1972-03-25
JP3018472A JPS5611796B2 (zh) 1972-03-25 1972-03-25

Publications (2)

Publication Number Publication Date
FR2177975A1 FR2177975A1 (en) 1973-11-09
FR2177975B1 true FR2177975B1 (zh) 1976-04-09

Family

ID=26368492

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7310739A Granted FR2177975A1 (en) 1972-03-25 1973-03-26 Paper pulp waste liquor - purified and chemicals recycled

Country Status (4)

Country Link
CA (1) CA982306A (zh)
FI (1) FI62357C (zh)
FR (1) FR2177975A1 (zh)
SE (1) SE404045B (zh)

Also Published As

Publication number Publication date
FI62357C (fi) 1982-12-10
SE404045B (sv) 1978-09-18
CA982306A (en) 1976-01-27
FI62357B (fi) 1982-08-31
FR2177975A1 (en) 1973-11-09

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Legal Events

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