ES399036A1 - Un procedimiento para el blanqueo de una pasta celulosica. - Google Patents

Un procedimiento para el blanqueo de una pasta celulosica.

Info

Publication number
ES399036A1
ES399036A1 ES399036A ES399036A ES399036A1 ES 399036 A1 ES399036 A1 ES 399036A1 ES 399036 A ES399036 A ES 399036A ES 399036 A ES399036 A ES 399036A ES 399036 A1 ES399036 A1 ES 399036A1
Authority
ES
Spain
Prior art keywords
paste
whitening
procedure
treating
cellulose 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
ES399036A
Other languages
English (en)
Spanish (es)
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.)
Hooker Chemical Corp
Original Assignee
Hooker Chemical 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 Chemical Corp filed Critical Hooker Chemical Corp
Publication of ES399036A1 publication Critical patent/ES399036A1/es
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
    • D21C9/144—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites with ClO2/Cl2 and other bleaching agents in a multistage process

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
ES399036A 1971-01-22 1972-01-19 Un procedimiento para el blanqueo de una pasta celulosica. Expired ES399036A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US10899571A 1971-01-22 1971-01-22

Publications (1)

Publication Number Publication Date
ES399036A1 true ES399036A1 (es) 1975-06-01

Family

ID=22325250

Family Applications (1)

Application Number Title Priority Date Filing Date
ES399036A Expired ES399036A1 (es) 1971-01-22 1972-01-19 Un procedimiento para el blanqueo de una pasta celulosica.

Country Status (12)

Country Link
JP (1) JPS5020601B1 (ja)
AU (1) AU458729B2 (ja)
BR (1) BR7200385D0 (ja)
CA (1) CA975111A (ja)
DE (1) DE2202662A1 (ja)
ES (1) ES399036A1 (ja)
FR (1) FR2122963A5 (ja)
IT (1) IT946779B (ja)
NL (1) NL7200822A (ja)
SE (1) SE390991B (ja)
SU (1) SU605555A3 (ja)
ZA (1) ZA718559B (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI884507L (fi) * 1987-10-05 1989-04-06 Champion Int Corp Foerminskning av faerg i pappersfabriksavfallsvatten genom oxidering med klordioxid.

Also Published As

Publication number Publication date
CA975111A (en) 1975-09-30
NL7200822A (ja) 1972-07-25
FR2122963A5 (en) 1972-09-01
AU458729B2 (en) 1975-03-06
SU605555A3 (ru) 1978-04-30
BR7200385D0 (pt) 1973-07-17
AU3726571A (en) 1973-06-28
SE390991B (sv) 1977-01-31
DE2202662A1 (de) 1972-08-03
ZA718559B (en) 1972-09-27
JPS5020601B1 (ja) 1975-07-16
IT946779B (it) 1973-05-21

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