FR1455076A - Process for manufacturing bleached pulp and product obtained - Google Patents

Process for manufacturing bleached pulp and product obtained

Info

Publication number
FR1455076A
FR1455076A FR11610A FR11610A FR1455076A FR 1455076 A FR1455076 A FR 1455076A FR 11610 A FR11610 A FR 11610A FR 11610 A FR11610 A FR 11610A FR 1455076 A FR1455076 A FR 1455076A
Authority
FR
France
Prior art keywords
product obtained
bleached pulp
manufacturing bleached
manufacturing
pulp
Prior art date
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
FR11610A
Other languages
French (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.)
A & W Overseas Dev Ltd
Original Assignee
A & W Overseas Dev 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 A & W Overseas Dev Ltd filed Critical A & W Overseas Dev Ltd
Application granted granted Critical
Publication of FR1455076A publication Critical patent/FR1455076A/en
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
    • 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
    • D21C9/142—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
    • 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
    • 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
    • D21C11/0035—Introduction of compounds, e.g. sodium sulfate, into the cycle in order to compensate for the losses of pulping agents

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Tents Or Canopies (AREA)
FR11610A 1964-04-02 1965-04-01 Process for manufacturing bleached pulp and product obtained Expired FR1455076A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB13695/64A GB1074111A (en) 1964-04-02 1964-04-02 Processes useful in the manufacture of bleached pulp
GB2259064 1964-06-01

Publications (1)

Publication Number Publication Date
FR1455076A true FR1455076A (en) 1966-04-01

Family

ID=26249936

Family Applications (1)

Application Number Title Priority Date Filing Date
FR11610A Expired FR1455076A (en) 1964-04-02 1965-04-01 Process for manufacturing bleached pulp and product obtained

Country Status (9)

Country Link
CS (1) CS153436B2 (en)
DE (1) DE1517152A1 (en)
ES (1) ES311273A1 (en)
FI (1) FI45882C (en)
FR (1) FR1455076A (en)
GB (1) GB1074111A (en)
NL (1) NL143295B (en)
NO (1) NO123326B (en)
SE (1) SE311469B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396118A1 (en) * 1976-12-22 1979-01-26 Hooker Chemicals Plastics Corp Bleached cellulose fibre pulp prodn. - with sulphur recovery and recycle, with reduced chemical requirements and pollution

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8704041L (en) * 1987-10-16 1989-04-17 Sca Development Ab SEATED WHITE CELLULOSAMASSA WHITE

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2396118A1 (en) * 1976-12-22 1979-01-26 Hooker Chemicals Plastics Corp Bleached cellulose fibre pulp prodn. - with sulphur recovery and recycle, with reduced chemical requirements and pollution

Also Published As

Publication number Publication date
GB1074111A (en) 1967-06-28
NL6504240A (en) 1965-10-04
DE1517152A1 (en) 1969-04-24
NO123326B (en) 1971-10-25
ES311273A1 (en) 1966-02-01
CS153436B2 (en) 1974-02-25
SE311469B (en) 1969-06-09
FI45882B (en) 1972-06-30
FI45882C (en) 1972-10-10
NL143295B (en) 1974-09-16

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