PT67443B - Kraft mill recycle process - Google Patents

Kraft mill recycle process

Info

Publication number
PT67443B
PT67443B PT67443A PT6744377A PT67443B PT 67443 B PT67443 B PT 67443B PT 67443 A PT67443 A PT 67443A PT 6744377 A PT6744377 A PT 6744377A PT 67443 B PT67443 B PT 67443B
Authority
PT
Portugal
Prior art keywords
recycle process
kraft mill
mill recycle
kraft
recycle
Prior art date
Application number
PT67443A
Other languages
Portuguese (pt)
Other versions
PT67443A (en
Original Assignee
Hooker Chemicals 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 Plastics Corp filed Critical Hooker Chemicals Plastics Corp
Publication of PT67443A publication Critical patent/PT67443A/en
Publication of PT67443B publication Critical patent/PT67443B/en

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)
  • Engineering & Computer Science (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
PT67443A 1976-12-22 1977-12-22 Kraft mill recycle process PT67443B (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
PT67443A PT67443A (en) 1978-01-01
PT67443B true PT67443B (en) 1979-05-23

Family

ID=25031593

Family Applications (1)

Application Number Title Priority Date Filing Date
PT67443A PT67443B (en) 1976-12-22 1977-12-22 Kraft mill recycle process

Country Status (12)

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

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8204266L (en) * 1982-07-12 1984-01-13 Korsnaes Marma Ab PROCEDURE FOR SUBMISSION OF THE CHEMICAL LOSSES DURING MASS PREPARATION
FI77064C (en) * 1985-04-29 1989-01-10 Tampella Oy Ab Process for boiling and bleaching cellulose

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 (en) * 1973-05-21 1975-01-16
JPS5013361A (en) * 1973-06-07 1975-02-12

Also Published As

Publication number Publication date
AU510914B2 (en) 1980-07-17
NO774357L (en) 1978-06-23
FI773860A (en) 1978-06-23
MX148348A (en) 1983-04-14
DE2757474B2 (en) 1979-09-13
FR2396118B1 (en) 1983-01-14
SE7714601L (en) 1978-06-23
FR2396118A1 (en) 1979-01-26
FI67243C (en) 1985-02-11
DE2757474C3 (en) 1980-06-19
SE435304B (en) 1984-09-17
SU934912A3 (en) 1982-06-07
JPS5381703A (en) 1978-07-19
AU3166977A (en) 1979-06-21
NZ185958A (en) 1979-11-01
BR7708509A (en) 1978-09-05
FI67243B (en) 1984-10-31
PT67443A (en) 1978-01-01
DE2757474A1 (en) 1978-06-29

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