PT88435B - Processo de fabricacao de pasta de papel - Google Patents

Processo de fabricacao de pasta de papel Download PDF

Info

Publication number
PT88435B
PT88435B PT88435A PT8843588A PT88435B PT 88435 B PT88435 B PT 88435B PT 88435 A PT88435 A PT 88435A PT 8843588 A PT8843588 A PT 8843588A PT 88435 B PT88435 B PT 88435B
Authority
PT
Portugal
Prior art keywords
pulp
bleaching
whiteness
paste
bleached
Prior art date
Application number
PT88435A
Other languages
English (en)
Portuguese (pt)
Other versions
PT88435A (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 PT88435A publication Critical patent/PT88435A/pt
Publication of PT88435B publication Critical patent/PT88435B/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)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
PT88435A 1987-09-08 1988-09-06 Processo de fabricacao de pasta de papel PT88435B (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 (2)

Publication Number Publication Date
PT88435A PT88435A (pt) 1989-07-31
PT88435B true PT88435B (pt) 1992-10-30

Family

ID=9354710

Family Applications (1)

Application Number Title Priority Date Filing Date
PT88435A PT88435B (pt) 1987-09-08 1988-09-06 Processo de fabricacao de pasta de papel

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
US5509999A (en) * 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
US5639347A (en) * 1993-03-24 1997-06-17 Ahlstrom Machinery Inc. Method of controlling of metals in a bleach plant, using oxidation
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
GR3001730T3 (en) 1992-11-23
JPH0217678B2 (enrdf_load_stackoverflow) 1990-04-23
CN1013131B (zh) 1991-07-10
EP0307295B1 (fr) 1991-04-03
BR8804619A (pt) 1989-04-18
ZA886622B (en) 1991-05-29
NO883968D0 (no) 1988-09-07
ES2021857B3 (es) 1991-11-16
PT88435A (pt) 1989-07-31
FR2620144A1 (fr) 1989-03-10
ATE62287T1 (de) 1991-04-15
CN1033664A (zh) 1989-07-05
AU2196088A (en) 1989-03-09
FI884123L (fi) 1989-03-09
AU608054B2 (en) 1991-03-21
KR890005346A (ko) 1989-05-13
EP0307295A1 (fr) 1989-03-15
DE3862265D1 (de) 1991-05-08
FI884123A7 (fi) 1989-03-09
NO883968L (no) 1989-03-09
FI884123A0 (fi) 1988-09-07
NZ226060A (en) 1991-02-26
OA08949A (fr) 1990-11-30
MA21393A1 (fr) 1989-07-01
JPH01207492A (ja) 1989-08-21
FR2620144B1 (fr) 1989-12-08

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920410

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19931031