ES8400520A1 - Procedimiento para el tratamiento de pastas papeleras quimicas. - Google Patents

Procedimiento para el tratamiento de pastas papeleras quimicas.

Info

Publication number
ES8400520A1
ES8400520A1 ES519327A ES519327A ES8400520A1 ES 8400520 A1 ES8400520 A1 ES 8400520A1 ES 519327 A ES519327 A ES 519327A ES 519327 A ES519327 A ES 519327A ES 8400520 A1 ES8400520 A1 ES 8400520A1
Authority
ES
Spain
Prior art keywords
treatment
chemical pulp
papermaking chemical
pulp
acid solution
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
ES519327A
Other languages
English (en)
Other versions
ES519327A0 (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.)
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann SA
Original Assignee
Produits Chimiques Ugine Kuhlmann
Ugine Kuhlmann 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 Produits Chimiques Ugine Kuhlmann, Ugine Kuhlmann SA filed Critical Produits Chimiques Ugine Kuhlmann
Publication of ES8400520A1 publication Critical patent/ES8400520A1/es
Publication of ES519327A0 publication Critical patent/ES519327A0/es
Granted 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
    • 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
    • D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Abstract

PROCEDIMIENTO PARA EL TRATAMIENTO DE PASTAS PAPELERAS QUIMICAS, ES DECIR PASTAS DE CELULOSA SIN BLANQUEAR O ACLARADAS QUE CONTIENEN AUN LIGNINA.COMPRENDE LAS SIGUIENTES OPERACIONES: PRIMERA, LA PASTA PAPELERA SE SOMETE A UN PRIMER TRATAMIENTO POR MEDIO DE UNA SOLUCION ACIDA QUE CONTIENE UN ACIDO MINERAL O UN ACIDO ORGANICO, A UNA TEMPERATURA COMPRENDIDA ENTRE 60 Y 80 GRADOS, CON UN PH DE DICHA SOLUCION ACIDA COMPRENDIDO ENTRE 2 Y 3, Y DURANTE UN TIEMPO QUE OSCILE ENTRE 60 Y 120 MINUTOS; SEGUNDA, LA PASTA PAPELERA SE SOMETE A CONTINUACION A UN SEGUNDO TRATAMIENTOPOR MEDIO DE UNA SOLUCION ALCALINA DE PEROXIDO QUE CONTIENE DEL 1 AL 5 EN PESO DE HIDROXIDO DE SODIO O DE UN 1 A UN 2 DE PEROXIDO DE HIDROGENO; Y POR ULTIMO, SE REPITE VARIAS VECES EL TRATAMIENTO POR MEDIO DE LAS DOS SOLUCIONES SUCESIVAS.
ES519327A 1982-01-28 1983-01-27 Procedimiento para el tratamiento de pastas papeleras quimicas. Granted ES519327A0 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8201603A FR2520397A1 (fr) 1982-01-28 1982-01-28 Procede pour le traitement de pates papetieres chimiques

Publications (2)

Publication Number Publication Date
ES8400520A1 true ES8400520A1 (es) 1983-10-16
ES519327A0 ES519327A0 (es) 1983-10-16

Family

ID=9270561

Family Applications (1)

Application Number Title Priority Date Filing Date
ES519327A Granted ES519327A0 (es) 1982-01-28 1983-01-27 Procedimiento para el tratamiento de pastas papeleras quimicas.

Country Status (16)

Country Link
JP (1) JPS58132190A (es)
KR (1) KR850001341B1 (es)
AT (1) AT381736B (es)
BE (1) BE895645A (es)
BR (1) BR8300402A (es)
CA (1) CA1206704A (es)
CH (1) CH653720A5 (es)
DE (1) DE3302580A1 (es)
ES (1) ES519327A0 (es)
FI (1) FI76134C (es)
FR (1) FR2520397A1 (es)
IT (1) IT1162810B (es)
NO (1) NO161391C (es)
OA (1) OA07313A (es)
PT (1) PT76145B (es)
SE (1) SE462288B (es)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1227304A (en) * 1984-08-01 1987-09-29 Raymond C. Francis Delignification of pulp
FR2593527B1 (fr) * 1986-01-30 1988-03-25 Centre Tech Ind Papier Procede de blanchiment des pates mecaniques.
ATE97179T1 (de) * 1989-06-06 1993-11-15 Eka Nobel Ab Verfahren zum bleichen von lignocellulose enthaltenden zellstoffen.
US5246543A (en) * 1989-08-18 1993-09-21 Degussa Corporation Process for bleaching and delignification of lignocellulosic materials
US5091054A (en) * 1989-08-18 1992-02-25 Degussa Corporation Process for bleaching and delignification of lignocellulosic
DE3937932A1 (de) * 1989-11-15 1991-05-16 Holtzmann & Cie Ag E Verfahren zum delignifizieren und bleichen von ungebleichten zellstoffsuspensionen mit alkalichlorit
SE9001481L (sv) * 1990-04-23 1991-10-24 Eka Nobel Ab Reduktion av halogenorganiska foereningar i blekeriavlopp
SE466061B (sv) * 1990-04-23 1991-12-09 Eka Nobel Ab Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
SE470065C (sv) * 1991-04-30 1995-10-12 Eka Nobel Ab Behandling av kemisk massa med en syra och därefter en magnesium- och kalciumförening vid klorfri blekning
US6398908B1 (en) 1991-04-30 2002-06-04 Eka Nobel Ab Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
SE500113C2 (sv) 1992-07-09 1994-04-18 Kamyr Ab Sätt vid blekning av massa för omhändertagande av utlösta metaller
SE512137C2 (sv) * 1992-10-29 2000-01-31 Eka Chemicals Ab Förfarande för blekning av lignocellulosahaltig massa
SE500616C2 (sv) * 1993-06-08 1994-07-25 Kvaerner Pulping Tech Blekning av kemisk massa med peroxid vid övertryck
US6776876B1 (en) 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
WO1996025552A1 (en) * 1995-02-17 1996-08-22 Ahlstrom Machinery Oy Method of pretreating pulp to be bleached with peroxide
SE526241C2 (sv) * 2003-12-18 2005-08-02 Metso Paper Inc Förfarande för att surgöra lignocellulosahaltig massa före ozonblekning
US8080560B2 (en) 2004-12-17 2011-12-20 3M Innovative Properties Company Immune response modifier formulations containing oleic acid and methods
US8889154B2 (en) 2005-09-15 2014-11-18 Medicis Pharmaceutical Corporation Packaging for 1-(2-methylpropyl)-1H-imidazo[4,5-c] quinolin-4-amine-containing formulation
US8980051B2 (en) 2009-04-24 2015-03-17 International Paper Company Sulfonation of pulp produced by alkali pulping process

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1705897A (en) * 1922-03-16 1929-03-19 Bradley Linn Bleaching of pulp
FR1010501A (fr) * 1948-08-31 1952-06-12 Papiers Abadie Sa Des Procédé de blanchîment des pâtes cellulosiques
US2668095A (en) * 1950-09-22 1954-02-02 Du Pont Bleaching chemical paper pulp
FR1201712A (fr) * 1958-07-11 1960-01-05 Fr Du Xylon Soc Perfectionnements au blanchiment des pâtes cellulosiques
JPS51102103A (en) * 1975-03-05 1976-09-09 Nippon Parupu Kogyo Kk Ryusanenhoparupuno hyohakuhoho
FR2398839A1 (fr) * 1977-07-29 1979-02-23 Centre Tech Ind Papier Procede de fabrication de pates papetieres chimiques
DE2742262C2 (de) * 1977-09-20 1982-06-09 Degussa Ag, 6000 Frankfurt Verfahren zur Herstellung eines mittel- bis hochviskosen Nadelholz-Sulfitzellstoffs
JPS5685489A (en) * 1979-12-10 1981-07-11 Kogyo Gijutsuin Pulp production

Also Published As

Publication number Publication date
SE462288B (sv) 1990-05-28
FI830288A0 (fi) 1983-01-27
KR840002934A (ko) 1984-07-21
OA07313A (fr) 1984-08-31
DE3302580A1 (de) 1983-08-04
NO161391C (no) 1989-08-09
NO830268L (no) 1983-07-29
CA1206704A (fr) 1986-07-02
KR850001341B1 (ko) 1985-09-19
FR2520397A1 (fr) 1983-07-29
SE8207356L (sv) 1983-07-29
FI76134B (fi) 1988-05-31
BR8300402A (pt) 1983-11-01
IT1162810B (it) 1987-04-01
NO161391B (no) 1989-05-02
FI76134C (fi) 1988-09-09
ATA26383A (de) 1986-04-15
IT8367014A0 (it) 1983-01-07
SE8207356D0 (sv) 1982-12-22
PT76145A (fr) 1983-02-01
JPH0217679B2 (es) 1990-04-23
FR2520397B1 (es) 1984-03-09
FI830288L (fi) 1983-07-29
AT381736B (de) 1986-11-25
CH653720A5 (fr) 1986-01-15
PT76145B (fr) 1985-11-25
BE895645A (fr) 1983-07-19
DE3302580C2 (es) 1992-07-02
ES519327A0 (es) 1983-10-16
JPS58132190A (ja) 1983-08-06

Similar Documents

Publication Publication Date Title
ES8400520A1 (es) Procedimiento para el tratamiento de pastas papeleras quimicas.
DE3468454D1 (en) Process for the treatment of cellulosic materials with oxidising agents
FR2457339B1 (es)
ES2043679T3 (es) Procedimiento de tratamiento de una pasta de papel con una solucion enzimatica.
SE8100373L (sv) Forfarande vid ozonblekning av pappersmassa
AU533905B2 (en) Process for reclaiming waste paper
NO179183C (no) Fremgangsmåte for behandling av en kjemisk lignocellulosemasse
AU4170493A (en) Process for the delignification of a chemical paper pulp
FI865100A0 (fi) Foerfarande foer blekning och delignifiering av cellulosahaltiga produkter.
BR9204097A (pt) Processo para obtener melhorada,seletividade de deslignificacao de polpa durante a deslignificacao com oxigenio,de elevada consistencia
YU125386A (en) Process for cellulose treating with rldm(tm)1-6 and other ligninolytic enzymes
AU565124B2 (en) Hypochlorite treatment of chemical paper pulps
EP0377981A3 (en) Process for improved alkaline oxidative delignification of cellulose pulp
SE8700313L (sv) Forfarande for blekning av mekaniska massor
YU137086A (en) Process for delignification of cellulose materials
FR2426769A2 (fr) Procede pour la fabrication de pates papetieres mecano-chimiques a haut rendement
ES8304242A1 (es) Procedimiento mejorado para la preparacion de pastas papeleras quimicas.

Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 20040601