ATE62287T1 - PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT. - Google Patents

PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT.

Info

Publication number
ATE62287T1
ATE62287T1 AT88402223T AT88402223T ATE62287T1 AT E62287 T1 ATE62287 T1 AT E62287T1 AT 88402223 T AT88402223 T AT 88402223T AT 88402223 T AT88402223 T AT 88402223T AT E62287 T1 ATE62287 T1 AT E62287T1
Authority
AT
Austria
Prior art keywords
paper pulp
post
production
carbon treatment
bleached paper
Prior art date
Application number
AT88402223T
Other languages
German (de)
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
Application granted granted Critical
Publication of ATE62287T1 publication Critical patent/ATE62287T1/en

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)

Abstract

Process for producing a paper pulp comprising a stage of H or P treatment just before the purification of the pulp or its transfer to the papermaking machine, where the neutralisation of the bleached pulp is performed with the aid of carbonic acid instead of sulphur dioxide.
AT88402223T 1987-09-08 1988-09-05 PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT. ATE62287T1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8712451A FR2620144B1 (en) 1987-09-08 1987-09-08 PROCESS FOR THE MANUFACTURE OF BLEACHED PAPER PULP INCLUDING TREATMENT WITH CARBONIC ACID AFTER BLEACHING
EP88402223A EP0307295B1 (en) 1987-09-08 1988-09-05 Process for producing a bleached paper pulp comprising a carbon dioxide treatment after bleaching

Publications (1)

Publication Number Publication Date
ATE62287T1 true ATE62287T1 (en) 1991-04-15

Family

ID=9354710

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88402223T ATE62287T1 (en) 1987-09-08 1988-09-05 PROCESS FOR PRODUCTION OF BLEACHED PAPER PULP BY MEANS OF POST-BLEACHING CARBON TREATMENT.

Country Status (18)

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

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 (en) * 2000-05-04 2003-02-14 Aga Ab Method for controlling microbial growth
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 (en) * 2014-06-23 2016-04-20 广西大学 A kind of dioxde pulp bleaching process

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 (en) * 1974-09-03 1978-10-17 Ahlstroem Oy OVERFLOWER FOR CELLULOSE FRAON ALKALIKOK

Also Published As

Publication number Publication date
ES2021857B3 (en) 1991-11-16
JPH0217678B2 (en) 1990-04-23
BR8804619A (en) 1989-04-18
ZA886622B (en) 1991-05-29
EP0307295A1 (en) 1989-03-15
KR890005346A (en) 1989-05-13
CN1013131B (en) 1991-07-10
PT88435B (en) 1992-10-30
CN1033664A (en) 1989-07-05
MA21393A1 (en) 1989-07-01
AU608054B2 (en) 1991-03-21
NO883968L (en) 1989-03-09
EP0307295B1 (en) 1991-04-03
JPH01207492A (en) 1989-08-21
DE3862265D1 (en) 1991-05-08
FI884123A (en) 1989-03-09
FR2620144A1 (en) 1989-03-10
FR2620144B1 (en) 1989-12-08
AU2196088A (en) 1989-03-09
NZ226060A (en) 1991-02-26
FI884123A0 (en) 1988-09-07
OA08949A (en) 1990-11-30
PT88435A (en) 1989-07-31
GR3001730T3 (en) 1992-11-23
NO883968D0 (en) 1988-09-07

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