FI801211A7 - Saett att avlaegsna lignin fraon oblekt kemiskt pappersmassa - Google Patents

Saett att avlaegsna lignin fraon oblekt kemiskt pappersmassa

Info

Publication number: FI801211A7
Authority: FI; Finland
Prior art keywords: papersma; oblekt; kemiskt; fraon; lignin
Prior art date: 1979-04-17

Application number

FI801211A

Other languages

English (en)

Other versions

FI67242B (fi

Inventor

Jacques Carles

Henri Lemoyne

Original Assignee

Europeen Cellulose

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.)

1979-04-17

Filing date

1980-04-16

Publication date

1980-10-18

1979-04-17 Priority claimed from FR7909642A external-priority patent/FR2454479A1/fr

1980-03-31 Priority claimed from FR8007170A external-priority patent/FR2479295A2/fr

1980-04-16 Application filed by Europeen Cellulose filed Critical Europeen Cellulose

1980-10-18 Publication of FI801211A7 publication Critical patent/FI801211A7/fi

1984-10-31 Application granted granted Critical

1984-10-31 Publication of FI67242B publication Critical patent/FI67242B/fi

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
- D21C9/10—Bleaching ; Apparatus therefor
- D21C9/16—Bleaching ; Apparatus therefor with per compounds
- D21C9/163—Bleaching ; Apparatus therefor with per compounds with peroxides

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)

FI801211A 1979-04-17 1980-04-16 Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa FI67242B (fi)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
FR7909642A FR2454479A1 (fr)	1979-04-17	1979-04-17	Procede de delignification de pate a papier chimique
FR7909642		1979-04-17
FR8007170A FR2479295A2 (fr)	1980-03-31	1980-03-31	Procede de delignification de pate a papier chimique ecrue
FR8007170		1980-03-31

Publications (2)

Publication Number	Publication Date
FI801211A7 true FI801211A7 (fi)	1980-10-18
FI67242B FI67242B (fi)	1984-10-31

Family

ID=26221114

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI801211A FI67242B (fi)	1979-04-17	1980-04-16	Saett att avlaegsna lignin fraon oblekt kemisk pappersmassa

Country Status (9)

Country	Link
US (1)	US4462864A (fi)
EP (1)	EP0018287B1 (fi)
AU (1)	AU539108B2 (fi)
BR (1)	BR8002356A (fi)
CA (1)	CA1151363A (fi)
DE (1)	DE3061582D1 (fi)
FI (1)	FI67242B (fi)
NZ (1)	NZ193456A (fi)
OA (1)	OA06515A (fi)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE445051B (sv) *	1980-04-10	1986-05-26	Sca Development Ab	Sett vid tillverkning av mekanisk, i huvudsak hartsfri cellulosamassa
US4559103A (en) *	1982-08-05	1985-12-17	Honshu Seishi Kabushiki Kaisha	Packaging paper and packaging material for packaging metallic material and method of producing the same
SE451606B (sv) *	1982-09-14	1987-10-19	Sca Development Ab	Sett vid blekning av hogutbytesmassor medelst peroxider
US4806475A (en) *	1983-12-28	1989-02-21	The United States Of America As Represented By The Secretary Of Agriculture	Alkaline peroxide treatment of agricultural byproducts
US4649113A (en) *	1983-12-28	1987-03-10	The United States Of America As Represented By The Secretary Of Agriculture	Alkaline peroxide treatment of nonwoody lignocellulosics
AT380496B (de) *	1984-06-27	1986-05-26	Steyrermuehl Papier	Verfahren und reaktor zur delignifizierung von zellstoff mit sauerstoff
SE444825B (sv) *	1984-09-10	1986-05-12	Mo Och Domsjoe Ab	Forfarande for framstellning av forbettrad hogutbytesmassa
US4568420B1 (en) *	1984-12-03	1999-03-02	Int Paper Co	Multi-stage bleaching process including an enhanced oxidative extraction stage
US4793898A (en) *	1985-02-22	1988-12-27	Oy Keskuslaboratorio - Centrallaboratorium Ab	Process for bleaching organic peroxyacid cooked material with an alkaline solution of hydrogen peroxide
US4826568A (en) *	1985-08-05	1989-05-02	Interox (Societe Anonyme)	Process for delignification of cellulosic substances by pretreating with a complexing agent followed by peroxide prior to kraft digestion
US4826567A (en) *	1985-08-05	1989-05-02	Interox (Societe Anonyme)	Process for the delignification of cellulosic substances by pretreating with a complexing agent followed by hydrogen peroxide
US4965086A (en) *	1988-01-04	1990-10-23	Degussa Aktiengesellschaft	Chemical-mechanical treatment of lignocellulosics to improve nutritive value
US4842877A (en) *	1988-04-05	1989-06-27	Xylan, Inc.	Delignification of non-woody biomass
US5023097A (en) *	1988-04-05	1991-06-11	Xylan, Inc.	Delignification of non-woody biomass
US4859282A (en) *	1988-04-15	1989-08-22	E. I. Du Pont De Nemours And Company	Acid purification of product from alkaline peroxide processing of nonwoody lignocellulosic substrates
US4957599A (en) *	1988-04-15	1990-09-18	E. I. Du Pont De Nemours And Company	Alkaline extraction, peroxide bleaching of nonwoody lignocellulosic substrates
US4859283A (en) *	1988-04-15	1989-08-22	E. I. Du Pont De Nemours And Company	Magnesium ions in a process for alkaline peroxide treatment of nonwoody lignocellulosic substrates
EP0337653A3 (en) *	1988-04-15	1991-10-02	E.I. Du Pont De Nemours And Company	Improved alkaline peroxide treatment of nonwoody lignocellulosic substrates
US4915785A (en) *	1988-12-23	1990-04-10	C-I-L Inc.	Single stage process for bleaching of pulp with an aqueous hydrogen peroxide bleaching composition containing magnesium sulphate and sodium silicate
CA2082557C (en) *	1992-02-24	1997-03-11	Charles W. Hankins	Integrated pulping process of waste paper yielding tissue-grade paper fibers
BE1008751A3 (fr)	1994-07-26	1996-07-02	Solvay	Xylanase, microorganismes la produisant, molecules d'adn, procedes de preparation de cette xylanase et utilisations de celle-ci.
US5770010A (en) *	1995-04-20	1998-06-23	R-J Holding Company	Pulping process employing nascent oxygen
US7747434B2 (en) *	2000-10-24	2010-06-29	Speech Conversion Technologies, Inc.	Integrated speech recognition, closed captioning, and translation system and method
US8138106B2 (en)	2005-09-30	2012-03-20	Rayonier Trs Holdings Inc.	Cellulosic fibers with odor control characteristics
US7967948B2 (en) *	2006-06-02	2011-06-28	International Paper Company	Process for non-chlorine oxidative bleaching of mechanical pulp in the presence of optical brightening agents
US8314231B2 (en) *	2007-05-07	2012-11-20	Hydrite Chemical Co.	Systems, compositions, and/or methods for depolymerizing cellulose and/or starch
US12435469B2 (en) *	2022-02-22	2025-10-07	Gpcp Ip Holdings Llc	High yield chemical pulping and bleaching process

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA558246A (en) *		1958-06-03	L. Mcewen Robert	High temperature pulp bleaching
NO117673B (fi) *	1962-02-14	1969-09-08	Svenska Cellulosa Ab
DE1203592B (de) *	1962-02-23	1965-10-21	Rudolf Bott Dipl Ing	Verfahren zum Bleichen von cellulosehaltigen Faserstoffen
DE2219505C3 (de) *	1972-04-21	1974-10-17	Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt	Chlorfreie Mehrstufenbleiche von Zellstoff
SE413684C (sv) *	1974-09-23	1987-05-18	Mo Och Domsjoe Ab	Forfarande for framstellning av cellulosamassa i utbytesomradet 65-95 %
SE415581B (sv) *	1977-04-18	1980-10-13	Mo Och Domsjoe Ab	Forfarande for perocidblekning av hogutbytesmassa
SE422818B (sv) *	1978-03-31	1982-03-29	Modo Chemetrics Ab	Forfarande for foredling av allulosamassa genom blekning eller extrahering

1980
- 1980-04-15 AU AU57450/80A patent/AU539108B2/en not_active Ceased
- 1980-04-15 CA CA000349872A patent/CA1151363A/en not_active Expired
- 1980-04-16 DE DE8080400516T patent/DE3061582D1/de not_active Expired
- 1980-04-16 BR BR8002356A patent/BR8002356A/pt not_active IP Right Cessation
- 1980-04-16 OA OA57086A patent/OA06515A/xx unknown
- 1980-04-16 FI FI801211A patent/FI67242B/fi not_active Application Discontinuation
- 1980-04-16 EP EP80400516A patent/EP0018287B1/fr not_active Expired
- 1980-04-16 NZ NZ193456A patent/NZ193456A/xx unknown
1982
- 1982-04-14 US US06/368,142 patent/US4462864A/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
EP0018287A1 (fr)	1980-10-29
CA1151363A (en)	1983-08-09
DE3061582D1 (en)	1983-02-17
EP0018287B1 (fr)	1983-01-12
OA06515A (fr)	1981-07-31
US4462864A (en)	1984-07-31
FI67242B (fi)	1984-10-31
BR8002356A (pt)	1980-12-02
NZ193456A (en)	1982-06-29
AU539108B2 (en)	1984-09-13
AU5745080A (en)	1980-10-23

Publication	Publication Date	Title
FI801211A7 (fi)	1980-10-18	Saett att avlaegsna lignin fraon oblekt kemiskt pappersmassa
FI803197L (fi)	1981-04-17	In i varandra placerbara tegel och saodana tegel utnyttjande byggnadsmetod
FI803618L (fi)	1981-05-20	Foerfarande foer att foerbaettra bildning av vattenhaltig aluminiumoxid dispergerad in i ett svagt basiskt anjonbytarharts
ES490048A0 (es)	1981-04-16	Perfeccionamientos en los conjuntos emulsionadores
FI792395A7 (fi)	1980-02-04	Anordning foer att foerankra byggnadsdelar in i jorden i en sluttning
FI801528A7 (fi)	1980-12-26	Foerfarande foer att stapla saeckar
FI802724A7 (fi)	1981-03-01	Foerbaettringar i att sammanfoga staenger
MX148620A (es)	1983-05-18	Mejoras en episcopios
FI800009A7 (fi)	1980-07-03	Anordning foer att begraensa en hydraulkolvs hastighet i aendlaegena
FI802353A7 (fi)	1981-01-28	Sikt foer att rengoera suspensioner
SE7900910L (sv)	1980-08-03	Maskinelement ii
FI803958L (fi)	1981-06-20	Anordning foer att tvinna kabeltraod
FI800887A7 (fi)	1980-09-23	Foerfarande foer framstaellning av pappersmassa
FR2446143B1 (fr)	1985-06-28	Att
IT8025762A0 (it)	1980-11-04	Sviluppo in diazotipia.
FI801871A7 (fi)	1980-12-16	Saett att framstaella aromdestillat
MX154399A (es)	1987-08-11	Mejoras en pararravos
ES496470A0 (es)	1981-12-01	Perfeccionamientos en aparatos conectores electromagneticos
ES492171A0 (es)	1981-07-16	Perfeccionamientos en tritur adoras de cilindro.
FR2455236B1 (fr)	1985-09-27	Elements structurels
BE884046A (fr)	1980-12-29	Leidingstelsel met in willekeurige punten aftakbare leidingkokers
AR217733A1 (es)	1980-04-15	Mejoras en barriletes
AR220818A1 (es)	1980-11-28	Perfeccionamientos en arados subsoladores
MX149992A (es)	1984-02-27	Mejoras en carreolas
MX147099A (es)	1982-10-05	Mejoras en carreola

Legal Events

Date	Code	Title	Description
2004-08-31	FC	Application refused	Owner name: INTEROX S.A.