DE3862265D1 - Verfahren zur herstellung einer gebleichten papierpulpe mittels einer kohlensaeurebehandlung nach der bleiche. - Google Patents

Verfahren zur herstellung einer gebleichten papierpulpe mittels einer kohlensaeurebehandlung nach der bleiche.

Info

Publication number: DE3862265D1
Authority: DE; Germany
Prior art keywords: producing; bleaching; paper pulp; acid treatment; carbon acid
Prior art date: 1987-09-08
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 - Fee Related

Application number

DE8888402223T

Other languages

English (en)

Inventor

Raymond Lachapelle

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.)

Canadian Liquid Air Ltd

Original Assignee

Canadian Liquid Air Ltd

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.)

1987-09-08

Filing date

1988-09-05

Publication date

1991-05-08

1988-09-05 Application filed by Canadian Liquid Air Ltd filed Critical Canadian Liquid Air Ltd

1991-05-08 Application granted granted Critical

1991-05-08 Publication of DE3862265D1 publication Critical patent/DE3862265D1/de

2008-09-06 Anticipated expiration legal-status Critical

Status Expired - Fee Related 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

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)

DE8888402223T 1987-09-08 1988-09-05 Verfahren zur herstellung einer gebleichten papierpulpe mittels einer kohlensaeurebehandlung nach der bleiche. Expired - Fee Related DE3862265D1 (de)

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
DE3862265D1 true DE3862265D1 (de)	1991-05-08

Family

ID=9354710

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8888402223T Expired - Fee Related DE3862265D1 (de)	1987-09-08	1988-09-05	Verfahren zur herstellung einer gebleichten papierpulpe mittels einer kohlensaeurebehandlung nach der bleiche.

Country Status (18)

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

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

1987
- 1987-09-08 FR FR8712451A patent/FR2620144B1/fr not_active Expired
1988
- 1988-09-05 EP EP88402223A patent/EP0307295B1/de not_active Expired - Lifetime
- 1988-09-05 ES ES88402223T patent/ES2021857B3/es not_active Expired - Lifetime
- 1988-09-05 DE DE8888402223T patent/DE3862265D1/de not_active Expired - Fee Related
- 1988-09-05 AT AT88402223T patent/ATE62287T1/de active
- 1988-09-06 ZA ZA886622A patent/ZA886622B/xx unknown
- 1988-09-06 PT PT88435A patent/PT88435B/pt not_active IP Right Cessation
- 1988-09-06 JP JP63221502A patent/JPH01207492A/ja active Granted
- 1988-09-06 NZ NZ226060A patent/NZ226060A/xx unknown
- 1988-09-07 MA MA21615A patent/MA21393A1/fr unknown
- 1988-09-07 KR KR1019880011536A patent/KR890005346A/ko not_active Application Discontinuation
- 1988-09-07 FI FI884123A patent/FI884123A/fi not_active IP Right Cessation
- 1988-09-07 NO NO88883968A patent/NO883968L/no unknown
- 1988-09-07 AU AU21960/88A patent/AU608054B2/en not_active Ceased
- 1988-09-08 CN CN88106618A patent/CN1013131B/zh not_active Expired
- 1988-09-08 BR BR8804619A patent/BR8804619A/pt unknown
- 1988-09-08 OA OA59425A patent/OA08949A/xx unknown
1991
- 1991-04-04 GR GR90401231T patent/GR3001730T3/el unknown

Also Published As

Publication number	Publication date
EP0307295A1 (de)	1989-03-15
CN1013131B (zh)	1991-07-10
NO883968D0 (no)	1988-09-07
EP0307295B1 (de)	1991-04-03
FI884123A0 (fi)	1988-09-07
MA21393A1 (fr)	1989-07-01
KR890005346A (ko)	1989-05-13
NZ226060A (en)	1991-02-26
FR2620144B1 (fr)	1989-12-08
JPH0217678B2 (de)	1990-04-23
PT88435A (pt)	1989-07-31
ATE62287T1 (de)	1991-04-15
NO883968L (no)	1989-03-09
CN1033664A (zh)	1989-07-05
AU608054B2 (en)	1991-03-21
ZA886622B (en)	1991-05-29
FR2620144A1 (fr)	1989-03-10
JPH01207492A (ja)	1989-08-21
FI884123A (fi)	1989-03-09
PT88435B (pt)	1992-10-30
AU2196088A (en)	1989-03-09
GR3001730T3 (en)	1992-11-23
ES2021857B3 (es)	1991-11-16
OA08949A (fr)	1990-11-30
BR8804619A (pt)	1989-04-18

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Legal Events

Date	Code	Title	Description
1992-04-30	8364	No opposition during term of opposition
1992-09-10	8339	Ceased/non-payment of the annual fee