NL143295B - PROCESS FOR PREPARING BLEACHED CELLULOSE PULP. - Google Patents

PROCESS FOR PREPARING BLEACHED CELLULOSE PULP.

Info

Publication number
NL143295B
NL143295B NL656504240A NL6504240A NL143295B NL 143295 B NL143295 B NL 143295B NL 656504240 A NL656504240 A NL 656504240A NL 6504240 A NL6504240 A NL 6504240A NL 143295 B NL143295 B NL 143295B
Authority
NL
Netherlands
Prior art keywords
cellulose pulp
bleached cellulose
preparing bleached
preparing
pulp
Prior art date
Application number
NL656504240A
Other languages
Dutch (nl)
Other versions
NL6504240A (en
Original Assignee
Electric Reduction Co
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 Electric Reduction Co filed Critical Electric Reduction Co
Publication of NL6504240A publication Critical patent/NL6504240A/xx
Publication of NL143295B publication Critical patent/NL143295B/en

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00After-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
    • D21C9/10Bleaching ; Apparatus therefor
    • D21C9/12Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
    • D21C9/14Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites
    • D21C9/142Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
    • CCHEMISTRY; METALLURGY
    • C01INORGANIC CHEMISTRY
    • C01BNON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B11/00Oxides or oxyacids of halogens; Salts thereof
    • C01B11/02Oxides of chlorine
    • C01B11/022Chlorine dioxide (ClO2)
    • C01B11/023Preparation from chlorites or chlorates
    • C01B11/025Preparation from chlorites or chlorates from chlorates without any other reaction reducing agent than chloride ions
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C11/00Regeneration of pulp liquors or effluent waste waters
    • D21C11/0035Introduction 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)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Inorganic Chemistry (AREA)
  • Paper (AREA)
  • Tents Or Canopies (AREA)
NL656504240A 1964-04-02 1965-04-02 PROCESS FOR PREPARING BLEACHED CELLULOSE PULP. NL143295B (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 (2)

Publication Number Publication Date
NL6504240A NL6504240A (en) 1965-10-04
NL143295B true NL143295B (en) 1974-09-16

Family

ID=26249936

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656504240A NL143295B (en) 1964-04-02 1965-04-02 PROCESS FOR PREPARING BLEACHED CELLULOSE PULP.

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)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ185958A (en) * 1976-12-22 1979-11-01 Hooker Chemicals Plastics Corp Pulping liquor recyling;comination with sulphur cycle in bleaching plant
SE8704041L (en) * 1987-10-16 1989-04-17 Sca Development Ab SEATED WHITE CELLULOSAMASSA WHITE

Also Published As

Publication number Publication date
NO123326B (en) 1971-10-25
CS153436B2 (en) 1974-02-25
FI45882B (en) 1972-06-30
SE311469B (en) 1969-06-09
GB1074111A (en) 1967-06-28
FI45882C (en) 1972-10-10
DE1517152A1 (en) 1969-04-24
NL6504240A (en) 1965-10-04
FR1455076A (en) 1966-04-01
ES311273A1 (en) 1966-02-01

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Legal Events

Date Code Title Description
VJC Lapsed due to non-payment of the due maintenance fee for the patent or patent application
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: ELECTRIC REDUCT