MA21393A1 - Procede de fabrication de pate a papier. - Google Patents

Procede de fabrication de pate a papier.

Info

Publication number
MA21393A1
MA21393A1 MA21615A MA21615A MA21393A1 MA 21393 A1 MA21393 A1 MA 21393A1 MA 21615 A MA21615 A MA 21615A MA 21615 A MA21615 A MA 21615A MA 21393 A1 MA21393 A1 MA 21393A1
Authority
MA
Morocco
Prior art keywords
paper pulp
manufacture
pulp
neutralisation
purification
Prior art date
Application number
MA21615A
Other languages
English (en)
French (fr)
Inventor
Raymond Lachapelle
Original Assignee
Liquid Air Canada
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 Liquid Air Canada filed Critical Liquid Air Canada
Publication of MA21393A1 publication Critical patent/MA21393A1/fr

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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Materials For Medical Uses (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
MA21615A 1987-09-08 1988-09-07 Procede de fabrication de pate a papier. MA21393A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8712451A FR2620144B1 (fr) 1987-09-08 1987-09-08 Procede de fabrication de pate a papier blanchie comportant un traitement a l'aide d'acide carbonique apres blanchiment

Publications (1)

Publication Number Publication Date
MA21393A1 true MA21393A1 (fr) 1989-07-01

Family

ID=9354710

Family Applications (1)

Application Number Title Priority Date Filing Date
MA21615A MA21393A1 (fr) 1987-09-08 1988-09-07 Procede de fabrication de pate a papier.

Country Status (18)

Country Link
EP (1) EP0307295B1 (enrdf_load_stackoverflow)
JP (1) JPH01207492A (enrdf_load_stackoverflow)
KR (1) KR890005346A (enrdf_load_stackoverflow)
CN (1) CN1013131B (enrdf_load_stackoverflow)
AT (1) ATE62287T1 (enrdf_load_stackoverflow)
AU (1) AU608054B2 (enrdf_load_stackoverflow)
BR (1) BR8804619A (enrdf_load_stackoverflow)
DE (1) DE3862265D1 (enrdf_load_stackoverflow)
ES (1) ES2021857B3 (enrdf_load_stackoverflow)
FI (1) FI884123A7 (enrdf_load_stackoverflow)
FR (1) FR2620144B1 (enrdf_load_stackoverflow)
GR (1) GR3001730T3 (enrdf_load_stackoverflow)
MA (1) MA21393A1 (enrdf_load_stackoverflow)
NO (1) NO883968L (enrdf_load_stackoverflow)
NZ (1) NZ226060A (enrdf_load_stackoverflow)
OA (1) OA08949A (enrdf_load_stackoverflow)
PT (1) PT88435B (enrdf_load_stackoverflow)
ZA (1) ZA886622B (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9206415D0 (en) * 1992-03-24 1992-05-06 Albright & Wilson Stabilisation of bleach liquors
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
FI110533B (fi) * 2000-05-04 2003-02-14 Aga Ab Menetelmä mikrobikasvun torjumiseksi
WO2011113119A1 (en) * 2010-03-19 2011-09-22 Fibria Celulose S/A Process for the treatment of cellulose pulps, cellulose pulp thus obtained and use of biopolymer for treating cellulose pulps
CN104032611B (zh) * 2014-06-23 2016-04-20 广西大学 一种纸浆漂白方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1993265A (en) * 1933-02-28 1935-03-05 Merrimac Chemical Co Inc Manufacture of paper embodying alkaline earth metal carbonate fillers
FI52876C (fi) * 1974-09-03 1978-10-17 Ahlstroem Oy Foerfarande foer tvaettning av en cellulosamassa fraon alkalikok

Also Published As

Publication number Publication date
NZ226060A (en) 1991-02-26
FR2620144A1 (fr) 1989-03-10
ATE62287T1 (de) 1991-04-15
CN1013131B (zh) 1991-07-10
PT88435A (pt) 1989-07-31
NO883968D0 (no) 1988-09-07
KR890005346A (ko) 1989-05-13
CN1033664A (zh) 1989-07-05
GR3001730T3 (en) 1992-11-23
JPH01207492A (ja) 1989-08-21
AU2196088A (en) 1989-03-09
NO883968L (no) 1989-03-09
FI884123L (fi) 1989-03-09
EP0307295B1 (fr) 1991-04-03
DE3862265D1 (de) 1991-05-08
FR2620144B1 (fr) 1989-12-08
EP0307295A1 (fr) 1989-03-15
OA08949A (fr) 1990-11-30
JPH0217678B2 (enrdf_load_stackoverflow) 1990-04-23
ZA886622B (en) 1991-05-29
AU608054B2 (en) 1991-03-21
ES2021857B3 (es) 1991-11-16
FI884123A7 (fi) 1989-03-09
FI884123A0 (fi) 1988-09-07
PT88435B (pt) 1992-10-30
BR8804619A (pt) 1989-04-18

Similar Documents

Publication Publication Date Title
FI933729A0 (fi) Traedefibrering med aettikasyra genom att tillaegga myrsyror
FR2457339A1 (fr) Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
FR2296458A1 (fr) Procede de production de suspensions aqueuses de carbonate de calcium naturel
BR9201920A (pt) Processo para remover a cor de uma polpa preparada a partir de material de papel de refugo e produto obtido
FR2566015B1 (fr) Procede de blanchiment de pate mecanique par le peroxyde d'hydrogene
DE69003249D1 (de) Verfahren zur herstellung von papier.
ATE102667T1 (de) Verfahren zur herstellung von mechanischem holzstoff und von papier, das diesen holzstoff enthaelt.
MA21393A1 (fr) Procede de fabrication de pate a papier.
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
FR2403418A1 (fr) Procede de fabrication de cellulose de coniferes pour retraitement chimique ainsi que pour papiers speciaux
FR2675518B1 (fr) Procede de preparation de pate a papier a haut rendement et blanchie, a partir de copeaux de bois.
DE69133494D1 (de) Microbiologische Herstellung von L-Ascorbinsäure
ATE5268T1 (de) Verfahren und mischung zur herstellung von cellulosepulpen.
ES2015100B3 (es) Proceso de produccion del acido 4,4'- dinitrostilbeno 2,2'disulfon
ATE15877T1 (de) Verfahren zur herstellung von dihydroxialuminiumnatriumcarbonat.
NO860320L (no) Fremgangsmaate ved fremstilling av tett vannfritt natriumkarbonat og tett vannfritt natriumkarbonat fremstilt ved fremgangsmaaten.
FR2589494B1 (fr) Procede de blanchiment de pates papetieres chimiques
DE3573144D1 (en) A method for removing resin from a paper pulp process liquor
DE59206973D1 (de) Trocknungsverfahren zur Herstellung von Ascorbinsäure-2-Monophosphaten
SU1040010A1 (ru) Способ отбелки целлюлозы
BE878201A (fr) Procede de production d'epoxydes a l'aide de micro-organismes immobilises
JPS54131012A (en) White liquor treatment of paper making process
FI905380L (fi) Foerfarande foer behandling av alkaliloesning.