NL143295B - Werkwijze ter bereiding van gebleekte cellulosepulp. - Google Patents

Werkwijze ter bereiding van gebleekte cellulosepulp.

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
English (en)
Dutch (nl)
Other versions
NL6504240A (xx
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/xx

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)
NL656504240A 1964-04-02 1965-04-02 Werkwijze ter bereiding van gebleekte cellulosepulp. NL143295B (nl)

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 (xx) 1965-10-04
NL143295B true NL143295B (nl) 1974-09-16

Family

ID=26249936

Family Applications (1)

Application Number Title Priority Date Filing Date
NL656504240A NL143295B (nl) 1964-04-02 1965-04-02 Werkwijze ter bereiding van gebleekte cellulosepulp.

Country Status (9)

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

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 (sv) * 1987-10-16 1989-04-17 Sca Development Ab Saett vid blekning av cellulosamassa

Also Published As

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

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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