FR2396118B1 - - Google Patents

Info

Publication number
FR2396118B1
FR2396118B1 FR7738611A FR7738611A FR2396118B1 FR 2396118 B1 FR2396118 B1 FR 2396118B1 FR 7738611 A FR7738611 A FR 7738611A FR 7738611 A FR7738611 A FR 7738611A FR 2396118 B1 FR2396118 B1 FR 2396118B1
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
FR7738611A
Other languages
French (fr)
Other versions
FR2396118A1 (fr
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.)
Occidental Chemical Corp
Original Assignee
Hooker Chemicals and Plastics Corp
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 Hooker Chemicals and Plastics Corp filed Critical Hooker Chemicals and Plastics Corp
Publication of FR2396118A1 publication Critical patent/FR2396118A1/fr
Application granted granted Critical
Publication of FR2396118B1 publication Critical patent/FR2396118B1/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
    • D21C11/0071—Treatment of green or white liquors with gases, e.g. with carbon dioxide for carbonation; Expulsion of gaseous compounds, e.g. hydrogen sulfide, from these liquors by this treatment (stripping); Optional separation of solid compounds formed in the liquors by this treatment
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00—Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02—Oxides of chlorine
    • C01B11/022—Chlorine dioxide (ClO2)
    • C01B11/023—Preparation from chlorites or chlorates
    • C01B11/025—Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01D—COMPOUNDS OF ALKALI METALS, i.e. LITHIUM, SODIUM, POTASSIUM, RUBIDIUM, CAESIUM, OR FRANCIUM
    • C01D7/00—Carbonates of sodium, potassium or alkali metals in general
    • C01D7/07—Preparation from the hydroxides
    • 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
    • D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Wood Science & Technology (AREA)
  • Materials Engineering (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR7738611A 1976-12-22 1977-12-21 Procede de recyclage pour papeterie Granted FR2396118A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US75365676A 1976-12-22 1976-12-22

Publications (2)

Publication Number Publication Date
FR2396118A1 FR2396118A1 (fr) 1979-01-26
FR2396118B1 true FR2396118B1 (pt) 1983-01-14

Family

ID=25031593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7738611A Granted FR2396118A1 (fr) 1976-12-22 1977-12-21 Procede de recyclage pour papeterie

Country Status (12)

Country Link
JP (1) JPS5381703A (pt)
AU (1) AU510914B2 (pt)
BR (1) BR7708509A (pt)
DE (1) DE2757474C3 (pt)
FI (1) FI67243C (pt)
FR (1) FR2396118A1 (pt)
MX (1) MX148348A (pt)
NO (1) NO774357L (pt)
NZ (1) NZ185958A (pt)
PT (1) PT67443B (pt)
SE (1) SE435304B (pt)
SU (1) SU934912A3 (pt)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8204266L (sv) * 1982-07-12 1984-01-13 Korsnaes Marma Ab Forfarande for teckande av kemikalieforlusterna vid massaframstellning
FI77064C (fi) * 1985-04-29 1989-01-10 Tampella Oy Ab Foerfarande foer kokning och blekning av cellulosa.

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1074111A (en) * 1964-04-02 1967-06-28 Electric Reduction Co Processes useful in the manufacture of bleached pulp
JPS503801A (pt) * 1973-05-21 1975-01-16
JPS5013361A (pt) * 1973-06-07 1975-02-12

Also Published As

Publication number Publication date
DE2757474B2 (de) 1979-09-13
PT67443A (en) 1978-01-01
NO774357L (no) 1978-06-23
FI773860A (fi) 1978-06-23
SE435304B (sv) 1984-09-17
DE2757474C3 (de) 1980-06-19
JPS5381703A (en) 1978-07-19
FI67243C (fi) 1985-02-11
MX148348A (es) 1983-04-14
BR7708509A (pt) 1978-09-05
FR2396118A1 (fr) 1979-01-26
PT67443B (en) 1979-05-23
SU934912A3 (ru) 1982-06-07
AU3166977A (en) 1979-06-21
SE7714601L (sv) 1978-06-23
FI67243B (fi) 1984-10-31
AU510914B2 (en) 1980-07-17
NZ185958A (en) 1979-11-01
DE2757474A1 (de) 1978-06-29

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Legal Events

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