BR8804619A - Processo de fabricacao de pasta de papel - Google Patents

Processo de fabricacao de pasta de papel

Info

Publication number
BR8804619A
BR8804619A BR8804619A BR8804619A BR8804619A BR 8804619 A BR8804619 A BR 8804619A BR 8804619 A BR8804619 A BR 8804619A BR 8804619 A BR8804619 A BR 8804619A BR 8804619 A BR8804619 A BR 8804619A
Authority
BR
Brazil
Prior art keywords
paper pulp
manufacturing process
pulp manufacturing
pulp
neutralisation
Prior art date
Application number
BR8804619A
Other languages
English (en)
Portuguese (pt)
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 BR8804619A publication Critical patent/BR8804619A/pt

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)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
BR8804619A 1987-09-08 1988-09-08 Processo de fabricacao de pasta de papel BR8804619A (pt)

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
BR8804619A true BR8804619A (pt) 1989-04-18

Family

ID=9354710

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8804619A BR8804619A (pt) 1987-09-08 1988-09-08 Processo de fabricacao de pasta de papel

Country Status (18)

Country Link
EP (1) EP0307295B1 (no)
JP (1) JPH01207492A (no)
KR (1) KR890005346A (no)
CN (1) CN1013131B (no)
AT (1) ATE62287T1 (no)
AU (1) AU608054B2 (no)
BR (1) BR8804619A (no)
DE (1) DE3862265D1 (no)
ES (1) ES2021857B3 (no)
FI (1) FI884123A (no)
FR (1) FR2620144B1 (no)
GR (1) GR3001730T3 (no)
MA (1) MA21393A1 (no)
NO (1) NO883968L (no)
NZ (1) NZ226060A (no)
OA (1) OA08949A (no)
PT (1) PT88435B (no)
ZA (1) ZA886622B (no)

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
JPH01207492A (ja) 1989-08-21
PT88435B (pt) 1992-10-30
NO883968L (no) 1989-03-09
ES2021857B3 (es) 1991-11-16
OA08949A (fr) 1990-11-30
EP0307295A1 (fr) 1989-03-15
AU2196088A (en) 1989-03-09
ATE62287T1 (de) 1991-04-15
GR3001730T3 (en) 1992-11-23
ZA886622B (en) 1991-05-29
NO883968D0 (no) 1988-09-07
FR2620144A1 (fr) 1989-03-10
JPH0217678B2 (no) 1990-04-23
FR2620144B1 (fr) 1989-12-08
MA21393A1 (fr) 1989-07-01
PT88435A (pt) 1989-07-31
NZ226060A (en) 1991-02-26
EP0307295B1 (fr) 1991-04-03
KR890005346A (ko) 1989-05-13
CN1033664A (zh) 1989-07-05
DE3862265D1 (de) 1991-05-08
CN1013131B (zh) 1991-07-10
FI884123A0 (fi) 1988-09-07
AU608054B2 (en) 1991-03-21
FI884123A (fi) 1989-03-09

Similar Documents

Publication Publication Date Title
BR9201920A (pt) Processo para remover a cor de uma polpa preparada a partir de material de papel de refugo e produto obtido
NO873565L (no) Fremgangsmaate for behandling av papirmasse med en enzymatisk opploesning.
FI933729A (fi) Traedefibrering med aettikasyra genom att tillaegga myrsyror
FR2457339A1 (fr) Procede pour la delignification et le blanchiment de pates cellulosiques chimiques et semi-chimiques
SE9001187D0 (sv) Oxygen bleaching with between stage washing
ES2046040T3 (es) Un procedimiento para la produccion de papel.
BR8804619A (pt) Processo de fabricacao de pasta de papel
ATE21133T1 (de) Verfahren zur herstellung von halbgebleichten zellstoffen.
DE69212051D1 (de) Verfahren zur Herstellung von gebleichtem Hochausbeutepapierzellstoff
BR9306376A (pt) Processo para a produção de papel ou de papelão a partir de polpa mecânica
BR8606775A (pt) Processo de tratamento e para alvejar polpa kraft
ES2101830T3 (es) Proceso de reduccion a pasta en la fabricacion de papel.
ATE5268T1 (de) Verfahren und mischung zur herstellung von cellulosepulpen.
BR9406763A (pt) Processo de tratamento de polpa de papel quimica
ATE15877T1 (de) Verfahren zur herstellung von dihydroxialuminiumnatriumcarbonat.
FI103801B1 (fi) Menetelmä pigmenttien valkaisemiseksi
BR9300787A (pt) Processo para descolorir e branquear papeis velhos coloridos
NO168165C (no) Fremgangsmaate ved fremstilling av tett vannfritt natriumkarbonat
FR2589494B1 (fr) Procede de blanchiment de pates papetieres chimiques
FI905380A (fi) Foerfarande foer behandling av alkaliloesning.
BR9801454A (pt) Processo contínuo de deslignificação e/ou branqueamento de pasta de papel química virgem ou reciclada
JPS54131012A (en) White liquor treatment of paper making process