ES8802336A1 - Procedimiento para tratar pastas papeleras quimicas - Google Patents

Procedimiento para tratar pastas papeleras quimicas

Info

Publication number
ES8802336A1
ES8802336A1 ES555395A ES555395A ES8802336A1 ES 8802336 A1 ES8802336 A1 ES 8802336A1 ES 555395 A ES555395 A ES 555395A ES 555395 A ES555395 A ES 555395A ES 8802336 A1 ES8802336 A1 ES 8802336A1
Authority
ES
Spain
Prior art keywords
hydrogen peroxide
pulp
stage
weight
treatment
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
ES555395A
Other languages
English (en)
Other versions
ES555395A0 (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.)
Arkema France SA
Original Assignee
Atochem SA
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 SA filed Critical Atochem SA
Publication of ES555395A0 publication Critical patent/ES555395A0/es
Publication of ES8802336A1 publication Critical patent/ES8802336A1/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
    • D21C9/16—Bleaching ; Apparatus therefor with per compounds
    • D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Stereophonic System (AREA)
  • Measuring Leads Or Probes (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Treatment Of Fiber Materials (AREA)

Abstract

PROCEDIMIENTO PARA BLANQUEAR PASTAS PAPELERAS QUIMICAS. COMPRENDE: A) TRATAR A LAS PASTAS PAPELERAS DE MADERA RESINOSA CON 0,3 A 2,5% EN PESO REFERIDO A PASTA SECA DE PEROXIDO DE HIDROGENO, EN PRESENCIA DE 3 G/L DE AGENTES SECUESTRANTE DE INDICES METALICOS Y CON UN PH ENTRE 5,5 Y 9,5; Y B) SOMETER A LAS PASTAS PAPELERAS DE A), A UN TRATAMIENTO CON 3,5 A 5% EN PESO REFERIDO A PASTA SECA DE PEROXIDO DE HIDROGENO, EN PRESENCIA DE 0,003 ATOMOS-GRAMOS DE MG MG(OH)2 Y CON PH DE 11, PARA BLANQUEARLAS. LAS FASES DE TRATAMIENTO A) Y B) SE REALIZA ENTRE 90 Y 120JC. EL AGENTE SECUESTRANTE DE IONES SE ELIGE TRIPOLIFOSFATO DE SODIO Y SAL SODICA DEL ACIDO ETILENDIAMINO Y LOS AGENTES REGULADORES DE PH SE SLIGEN ENTRE CARBONATO SODICO E HIDROXIDO SODICO.
ES555395A 1985-05-29 1986-05-28 Procedimiento para tratar pastas papeleras quimicas Expired ES8802336A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8508291A FR2582692B1 (fr) 1985-05-29 1985-05-29 Traitement de pates papetieres chimiques par le peroxyde d'hydrogene en vue de leur blanchiment

Publications (2)

Publication Number Publication Date
ES555395A0 ES555395A0 (es) 1987-05-01
ES8802336A1 true ES8802336A1 (es) 1987-05-01

Family

ID=9319780

Family Applications (1)

Application Number Title Priority Date Filing Date
ES555395A Expired ES8802336A1 (es) 1985-05-29 1986-05-28 Procedimiento para tratar pastas papeleras quimicas

Country Status (10)

Country Link
US (1) US4734161A (es)
EP (1) EP0208625B1 (es)
JP (1) JPS61275491A (es)
AT (1) ATE32534T1 (es)
AU (1) AU5794486A (es)
CA (1) CA1273756A (es)
DE (1) DE3660024D1 (es)
ES (1) ES8802336A1 (es)
FI (1) FI83239C (es)
FR (1) FR2582692B1 (es)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0642046B2 (ja) * 1987-01-29 1994-06-01 新王子製紙株式会社 写真印画紙用支持体
FR2622221A1 (fr) * 1987-10-22 1989-04-28 Atochem Procede de blanchiment de pates
ES2038097T5 (es) * 1989-06-06 2001-05-01 Eka Chemicals Ab Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
SE9001481L (sv) * 1990-04-23 1991-10-24 Eka Nobel Ab Reduktion av halogenorganiska foereningar i blekeriavlopp
FR2661431B1 (fr) * 1990-04-30 1992-07-17 Atochem Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.
BE1007700A3 (fr) * 1993-11-04 1995-10-03 Solvay Interox Procede pour le blanchiment d'une pate a papier chimique.
ZA955190B (en) * 1994-07-11 1996-03-14 Ingersoll Rand Co Method for bleaching wood pulp using hydrogen peroxide
US5562740A (en) * 1995-06-15 1996-10-08 The Procter & Gamble Company Process for preparing reduced odor and improved brightness individualized, polycarboxylic acid crosslinked fibers
US20030024664A1 (en) * 2001-02-27 2003-02-06 Gibson Aileen Reyes Eop & Ep process for bleaching of chemical pulp
US7297225B2 (en) * 2004-06-22 2007-11-20 Georgia-Pacific Consumer Products Lp Process for high temperature peroxide bleaching of pulp with cool discharge
FR3007044B1 (fr) * 2013-06-13 2016-01-15 Air Liquide Procede de traitement des pates papetieres chimiques par traitement a l'ozone en presence d'ions magnesium

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
FR2038056A1 (en) * 1969-03-07 1971-01-08 Air Liquide Stable, clear bleaching bath for paper - pulp
US4187141A (en) * 1975-02-24 1980-02-05 Alf Societe Anonyme Method of producing bleached mechanical pulp
JPS583074B2 (ja) * 1975-11-17 1983-01-19 三菱瓦斯化学株式会社 パルプノ カサンカブツヒヨウハクホウ
JPS5545806A (en) * 1978-09-21 1980-03-31 Oji Paper Co Peroxide bleaching method of wood pulp
US4294575A (en) * 1979-01-02 1981-10-13 Monsanto Company Peroxide stabilization
JPS5891884A (ja) * 1981-11-27 1983-05-31 工業技術院長 高白色度未晒パルプの製造方法
SE451606B (sv) * 1982-09-14 1987-10-19 Sca Development Ab Sett vid blekning av hogutbytesmassor medelst peroxider

Also Published As

Publication number Publication date
CA1273756A (fr) 1990-09-11
ES555395A0 (es) 1987-05-01
FR2582692B1 (fr) 1987-12-11
DE3660024D1 (en) 1988-03-24
FI862257A0 (fi) 1986-05-28
FR2582692A1 (fr) 1986-12-05
EP0208625B1 (fr) 1988-02-17
JPH0156194B2 (es) 1989-11-29
US4734161A (en) 1988-03-29
FI862257A (fi) 1986-11-30
AU5794486A (en) 1986-12-04
FI83239C (fi) 1991-06-10
EP0208625A1 (fr) 1987-01-14
FI83239B (fi) 1991-02-28
ATE32534T1 (de) 1988-03-15
JPS61275491A (ja) 1986-12-05

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