[go: up one dir, main page]

FR2173174A1 - - Google Patents

Info

Publication number
FR2173174A1
FR2173174A1 FR7306284A FR7306284A FR2173174A1 FR 2173174 A1 FR2173174 A1 FR 2173174A1 FR 7306284 A FR7306284 A FR 7306284A FR 7306284 A FR7306284 A FR 7306284A FR 2173174 A1 FR2173174 A1 FR 2173174A1
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.)
Granted
Application number
FR7306284A
Other languages
French (fr)
Other versions
FR2173174B1 (xx
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.)
Jujo Paper Co Ltd
Original Assignee
Jujo Paper Co Ltd
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 Jujo Paper Co Ltd filed Critical Jujo Paper Co Ltd
Publication of FR2173174A1 publication Critical patent/FR2173174A1/fr
Application granted granted Critical
Publication of FR2173174B1 publication Critical patent/FR2173174B1/fr
Expired 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
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
FR7306284A 1972-02-22 1973-02-22 Expired FR2173174B1 (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1834372A JPS4887101A (xx) 1972-02-22 1972-02-22

Publications (2)

Publication Number Publication Date
FR2173174A1 true FR2173174A1 (xx) 1973-10-05
FR2173174B1 FR2173174B1 (xx) 1975-08-22

Family

ID=11968996

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7306284A Expired FR2173174B1 (xx) 1972-02-22 1973-02-22

Country Status (4)

Country Link
JP (1) JPS4887101A (xx)
BR (2) BR7301295D0 (xx)
CA (1) CA982759A (xx)
FR (1) FR2173174B1 (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4893701A (xx) * 1972-03-23 1973-12-04
FR2184608B1 (xx) * 1972-05-15 1975-04-04 Owens Illinois Inc
CA1056558A (en) * 1974-06-11 1979-06-19 Canadian Industries Limited Strenghtening of mechanical pulp by chemical treatment
JPS51116202A (en) * 1975-04-02 1976-10-13 Sanyo Kokusaku Pulp Co Process for making pulp with high yield
JPS51116206A (en) * 1975-04-03 1976-10-13 Sanyo Kokusaku Pulp Co Bleaching process of pulp with high yield
FI762341A (xx) * 1975-08-20 1977-02-21 Suzano Papel & Celulose
JPS5438901A (en) * 1977-08-30 1979-03-24 Osaka Seiken Yuugen Production of pulp by algae
JPS551319A (en) * 1978-06-12 1980-01-08 Osaka Seiken Yuugen Production of pulp by algae
JPS5562288A (en) * 1978-10-25 1980-05-10 Kogyo Gijutsuin Pulping of fiber material other than wood
US4248662A (en) 1979-01-22 1981-02-03 The Black Clawson Company Oxygen pulping with recycled liquor
JPS5649093A (en) * 1979-09-27 1981-05-02 Kogyo Gijutsuin Production of high yield pulp

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673148A (en) * 1950-10-04 1954-03-23 Hercules Powder Co Ltd Alkaline pulping using gaseous oxygen
US2904460A (en) * 1953-07-22 1959-09-15 Control Acting For The Univers Continuous pulping process
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2673148A (en) * 1950-10-04 1954-03-23 Hercules Powder Co Ltd Alkaline pulping using gaseous oxygen
US2904460A (en) * 1953-07-22 1959-09-15 Control Acting For The Univers Continuous pulping process
CA895756A (en) * 1970-04-03 1972-03-21 Macmillan Bloedel Limited Two-stage soda-oxygen pulping

Also Published As

Publication number Publication date
BR7301295D0 (pt) 1974-05-16
FR2173174B1 (xx) 1975-08-22
JPS4887101A (xx) 1973-11-16
BR7301296D0 (pt) 1974-05-16
CA982759A (en) 1976-02-03

Similar Documents

Publication Publication Date Title
JPS4950282A (xx)
FR2173174B1 (xx)
JPS5441211B2 (xx)
FR2184608B1 (xx)
JPS4928643A (xx)
JPS5210866B2 (xx)
JPS4980266A (xx)
JPS4893701A (xx)
JPS4885888A (xx)
JPS5032038Y2 (xx)
JPS5215775B2 (xx)
JPS4981373U (xx)
JPS48108784U (xx)
CH576258A5 (xx)
CH570298A5 (xx)
CH575266A5 (xx)
CH577534A5 (xx)
CH575857A5 (xx)
CH575035A5 (xx)
CH575007A5 (xx)
CH594644A5 (xx)
CH560463A5 (xx)
CH602842A5 (xx)
CH577505A5 (xx)
CH570389A5 (xx)

Legal Events

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