ATE24745T1 - Hypochlorit-behandlung von chemischen papierpulpen. - Google Patents

Hypochlorit-behandlung von chemischen papierpulpen.

Info

Publication number
ATE24745T1
ATE24745T1 AT84420167T AT84420167T ATE24745T1 AT E24745 T1 ATE24745 T1 AT E24745T1 AT 84420167 T AT84420167 T AT 84420167T AT 84420167 T AT84420167 T AT 84420167T AT E24745 T1 ATE24745 T1 AT E24745T1
Authority
AT
Austria
Prior art keywords
paper pulp
chemical paper
hypochlorite treatment
hypochlorite
hydrogen peroxide
Prior art date
Application number
AT84420167T
Other languages
English (en)
Inventor
Dominique Lachenal
Choudens Christian De
Luis Soria-Mozzone
Original Assignee
Atochem
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 Atochem filed Critical Atochem
Application granted granted Critical
Publication of ATE24745T1 publication Critical patent/ATE24745T1/de

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)
  • Detergent Compositions (AREA)
  • Medicines Containing Antibodies Or Antigens For Use As Internal Diagnostic Agents (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Cosmetics (AREA)
AT84420167T 1983-10-13 1984-10-05 Hypochlorit-behandlung von chemischen papierpulpen. ATE24745T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8316500A FR2553444B1 (fr) 1983-10-13 1983-10-13 Traitement a l'hypochlorite de pates papetieres chimiques
EP84420167A EP0140804B1 (de) 1983-10-13 1984-10-05 Hypochlorit-Behandlung von chemischen Papierpulpen

Publications (1)

Publication Number Publication Date
ATE24745T1 true ATE24745T1 (de) 1987-01-15

Family

ID=9293226

Family Applications (1)

Application Number Title Priority Date Filing Date
AT84420167T ATE24745T1 (de) 1983-10-13 1984-10-05 Hypochlorit-behandlung von chemischen papierpulpen.

Country Status (9)

Country Link
EP (1) EP0140804B1 (de)
JP (1) JPS6099086A (de)
AT (1) ATE24745T1 (de)
AU (1) AU565124B2 (de)
CA (1) CA1269805A (de)
DE (2) DE3461941D1 (de)
ES (1) ES8603607A1 (de)
FI (1) FI75374C (de)
FR (1) FR2553444B1 (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NZ229702A (en) * 1989-06-23 1993-03-26 Nz Forest Products Ltd Formerl Bleaching chemical pulp including an activation step followed by an alkaline extraction step with no intervening washing step
WO1998026128A1 (en) * 1996-12-11 1998-06-18 Akio Mita Method for storing and transporting cellulosic and process for manufacturing pulp
CN100500990C (zh) * 2005-09-02 2009-06-17 华南理工大学 纸浆清洁漂白方法
JP4968638B2 (ja) * 2005-11-15 2012-07-04 好高 青山 軸状部品の供給装置
JP4941726B2 (ja) * 2007-01-12 2012-05-30 沖縄県 変色木材の漂白方法
JP4943908B2 (ja) * 2007-03-26 2012-05-30 陽一 松本 葛根繊維の製造方法及び該製造方法により得られた葛根繊維
JP2008264866A (ja) * 2007-04-20 2008-11-06 Yoshitaka Aoyama 電気抵抗溶接における電極の動作制御装置と制御方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE736070C (de) * 1938-07-01 1943-06-07 Degussa Verfahren zum Behandeln von Zellstoff
US2527563A (en) * 1947-08-13 1950-10-31 Buffalo Electro Chem Co Method of bleaching semichemical pulps
US2661261A (en) * 1950-06-30 1953-12-01 Buffalo Electro Chem Co Method of superbleaching chemical pulp
US2865701A (en) * 1953-12-07 1958-12-23 Nat Distillers Chem Corp Process of bleaching kraft pulp with alkaline hypochlorite bleach acidifying the pulp containing residual chlorine and then bleaching with alkaline peroxide
US2920011A (en) * 1955-03-18 1960-01-05 Waldorf Paper Prod Co Elevated temperature and pressure two stage hypochlorite peroxide pulp bleaching process

Also Published As

Publication number Publication date
EP0140804A1 (de) 1985-05-08
ES536713A0 (es) 1985-12-16
FI843975L (fi) 1985-04-14
JPS6099086A (ja) 1985-06-01
CA1269805A (fr) 1990-06-05
ES8603607A1 (es) 1985-12-16
FI75374C (fi) 1988-06-09
FR2553444A1 (fr) 1985-04-19
AU565124B2 (en) 1987-09-03
DE3461941D1 (en) 1987-02-12
AU3421184A (en) 1985-04-18
FR2553444B1 (fr) 1986-07-18
FI843975A0 (fi) 1984-10-10
DE140804T1 (de) 1985-12-05
JPS6214678B2 (de) 1987-04-03
FI75374B (fi) 1988-02-29
EP0140804B1 (de) 1987-01-07

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee