FI874019A - Foerbaettrat foerfarande foer blekning av cellulosamassa medelst vaeteperoxid. - Google Patents

Foerbaettrat foerfarande foer blekning av cellulosamassa medelst vaeteperoxid. Download PDF

Info

Publication number: FI874019A
Authority: FI; Finland
Prior art keywords: vaeteperoxid; cellulosamassa; medelst; foerfarande foer; foerbaettrat
Prior art date: 1986-09-15

Application number

FI874019A

Other languages

English (en)

Other versions

FI874019A0 (fi

FI88526C (fi

FI88526B (fi

Inventor

Robert J Michalowski

Jimmy Myers

Steven H Christiansen

David A Wilson

Original Assignee

Dow Chemical Co

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.)

1986-09-15

Filing date

1987-09-15

Publication date

1988-03-16

1987-09-15 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1987-09-15 Publication of FI874019A0 publication Critical patent/FI874019A0/fi

1988-03-16 Publication of FI874019A publication Critical patent/FI874019A/fi

1993-02-15 Application granted granted Critical

1993-02-15 Publication of FI88526B publication Critical patent/FI88526B/fi

1993-05-25 Publication of FI88526C publication Critical patent/FI88526C/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
- D21C9/1005—Pretreatment of the pulp, e.g. degassing the pulp

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)

FI874019A 1986-09-15 1987-09-15 Foerbaettrat foerfarande foer blekning av cellulosamassa medelst vaeteperoxid FI88526C (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US06/907,694 US4732650A (en)	1986-09-15	1986-09-15	Bleaching of cellulosic pulps using hydrogen peroxide
US90769486		1986-09-15

Publications (4)

Publication Number	Publication Date
FI874019A0 FI874019A0 (fi)	1987-09-15
FI874019A true FI874019A (fi)	1988-03-16
FI88526B FI88526B (fi)	1993-02-15
FI88526C FI88526C (fi)	1993-05-25

Family

ID=25424494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI874019A FI88526C (fi)	1986-09-15	1987-09-15	Foerbaettrat foerfarande foer blekning av cellulosamassa medelst vaeteperoxid

Country Status (12)

Country	Link
US (1)	US4732650A (fi)
EP (1)	EP0262836B1 (fi)
JP (1)	JPH0814079B2 (fi)
AU (1)	AU600756B2 (fi)
BR (1)	BR8704771A (fi)
CA (1)	CA1284558C (fi)
DE (1)	DE3775688D1 (fi)
DK (1)	DK168543B1 (fi)
FI (1)	FI88526C (fi)
NO (1)	NO170347C (fi)
NZ (1)	NZ221798A (fi)
ZA (1)	ZA876920B (fi)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE459924B (sv) *	1988-01-22	1989-08-21	Sunds Defibrator	Saett foer framstaellning av mekanisk massa
ES2038097T5 (es) *	1989-06-06	2001-05-01	Eka Chemicals Ab	Procedimiento para blanquear pastas papeleras que contienen lignocelulosa.
US5013404A (en) *	1989-11-15	1991-05-07	The Dow Chemical Company	Process for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive
US5145558A (en) *	1989-11-15	1992-09-08	The Dow Chemical Company	Composition for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive
SE9001481L (sv) *	1990-04-23	1991-10-24	Eka Nobel Ab	Reduktion av halogenorganiska foereningar i blekeriavlopp
SE466061B (sv) *	1990-04-23	1991-12-09	Eka Nobel Ab	Blekning av kemisk massa genom behandling med foerst ett komplexbildande aemne och sedan ett peroxidinnehaallande aemne
FR2661431B1 (fr) *	1990-04-30	1992-07-17	Atochem	Procede de blanchiment au peroxyde de l'hydrogene de pates a papier a haut rendement.
US6398908B1 (en)	1991-04-30	2002-06-04	Eka Nobel Ab	Process for acid bleaching of lignocellulose-containing pulp with a magnesium compound
US5223091A (en) *	1991-11-25	1993-06-29	Macmillan Bloedel Limited	Method of brightening mechanical pulp using silicate-free peroxide bleaching
US5205907A (en) *	1991-11-25	1993-04-27	Macmillan Bloedel Limited	Removal of manganese from pulp using a chelating agent and magnesium sulphate
SE469842C (sv) *	1992-01-21	1996-01-15	Sunds Defibrator Ind Ab	Blekning av kemisk massa med peroxid
CA2063351C (en) *	1992-03-18	1996-08-13	Stanley Alan Heimburger	Process for bleaching hardwood pulp
JP2937658B2 (ja) *	1992-10-02	1999-08-23	日華化学株式会社	故紙の再生処理方法
CA2150810A1 (en) *	1993-03-12	1994-09-15	Karl-Erik L. Eriksson	Process for bleaching pulp
US6149766A (en) *	1993-06-08	2000-11-21	Kvaerner Pulping Technologies, A/B	Process for peroxide bleaching of chemical pulp in a pressurized bleaching vessel
RU2131491C1 (ru) *	1993-10-26	1999-06-10	Акцо Нобель Н.В.	Способ отбелки целлюлозной массы (его вариант), биоразлагаемый хелатообразователь для отбелки целлюлозной массы перекисью водорода и способ удаления типографской краски с целлюлозной массы
US5645688A (en) *	1995-01-30	1997-07-08	Vinings Industries, Inc.	Bleaching compositions and processes employing sulfamates and polyaminocarboxylic acids
CA2173824A1 (en) *	1995-04-27	1996-10-28	Brian A. Parker	Ethylenediaminetriacetic acid and salts thereof as chelating agents in pulp bleaching
US6706143B1 (en)	1996-03-19	2004-03-16	International Paper Company	Minimizing chlorinated organics in pulp bleaching processes
JPH108092A (ja) *	1996-06-21	1998-01-13	Mitsubishi Paper Mills Ltd	過酸化物漂白用安定化剤及びそれを用いた繊維系物質の漂白方法
KR100482289B1 (ko) *	2002-09-10	2005-04-14	한국케미라케미칼(주)	과산화물 표백에 사용되는 안정제 조성물 및 과산화물 표백제의 안정화 방법
US7101832B2 (en) *	2003-06-19	2006-09-05	Johnsondiversey, Inc.	Cleaners containing peroxide bleaching agents for cleaning paper making equipment and method
US7351764B2 (en) *	2004-03-31	2008-04-01	Nalco Company	Methods to enhance brightness of pulp and optimize use of bleaching chemicals
US7297225B2 (en) *	2004-06-22	2007-11-20	Georgia-Pacific Consumer Products Lp	Process for high temperature peroxide bleaching of pulp with cool discharge
US8138106B2 (en)	2005-09-30	2012-03-20	Rayonier Trs Holdings Inc.	Cellulosic fibers with odor control characteristics
US20080110584A1 (en) *	2006-11-15	2008-05-15	Caifang Yin	Bleaching process with at least one extraction stage

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
BE795085A (fr) *	1972-03-10	1973-05-29	Benckiser Knapsack Gmbh	Procede de blanchiment de fibres cellulosiques seules ou en melange avec des fibres synthetiques
SE416481B (sv) *	1977-05-02	1981-01-05	Mo Och Domsjoe Ab	Fofarande och anordning for behandling av vedflis for avlegsnande av tungmetaller och harts
US4614646A (en) *	1984-12-24	1986-09-30	The Dow Chemical Company	Stabilization of peroxide systems in the presence of alkaline earth metal ions

1986
- 1986-09-15 US US06/907,694 patent/US4732650A/en not_active Expired - Lifetime
1987
- 1987-09-14 JP JP62228664A patent/JPH0814079B2/ja not_active Expired - Lifetime
- 1987-09-14 DK DK479287A patent/DK168543B1/da not_active IP Right Cessation
- 1987-09-14 NZ NZ221798A patent/NZ221798A/xx unknown
- 1987-09-14 NO NO873833A patent/NO170347C/no unknown
- 1987-09-14 CA CA000546753A patent/CA1284558C/en not_active Expired - Fee Related
- 1987-09-15 EP EP87308146A patent/EP0262836B1/en not_active Expired - Lifetime
- 1987-09-15 FI FI874019A patent/FI88526C/fi not_active IP Right Cessation
- 1987-09-15 BR BR8704771A patent/BR8704771A/pt not_active IP Right Cessation
- 1987-09-15 DE DE8787308146T patent/DE3775688D1/de not_active Expired - Fee Related
- 1987-09-15 ZA ZA876920A patent/ZA876920B/xx unknown
- 1987-09-15 AU AU78407/87A patent/AU600756B2/en not_active Ceased

Also Published As

Publication number	Publication date
DE3775688D1 (de)	1992-02-13
JPS63120187A (ja)	1988-05-24
CA1284558C (en)	1991-06-04
NO873833D0 (no)	1987-09-14
NO170347B (no)	1992-06-29
NO170347C (no)	1992-10-07
FI874019A0 (fi)	1987-09-15
ZA876920B (en)	1989-05-30
FI88526C (fi)	1993-05-25
EP0262836B1 (en)	1992-01-02
AU7840787A (en)	1988-03-17
BR8704771A (pt)	1988-05-17
FI88526B (fi)	1993-02-15
DK479287A (da)	1988-03-16
NO873833L (no)	1988-03-16
DK479287D0 (da)	1987-09-14
EP0262836A1 (en)	1988-04-06
AU600756B2 (en)	1990-08-23
NZ221798A (en)	1990-07-26
US4732650A (en)	1988-03-22
JPH0814079B2 (ja)	1996-02-14
DK168543B1 (da)	1994-04-18

Publication	Publication Date	Title
FI871151A0 (fi)	1987-03-17	Anordning foer extrahering av en portionsinsats.
FI880341A (fi)	1988-01-26	Framstaellning av aromatiska heterocykliska polymerer.
FI874616A (fi)	1987-10-20	Anordning foer reglering av foerbraennings-luft-foerhaollandet.
FI871663A (fi)	1987-10-19	Oeverfoeringsfoerfarande av uppdateringsinformation foer en stationaer videobild.
FI875342A0 (fi)	1987-12-03	Foerfarande foer mekanisk-termisk avvattning av en fibermaterialbana.
FI875481A (fi)	1988-06-16	Foerfarande foer framstaellning av kristallina vinylaromatiska polymerer.
FI871230A0 (fi)	1987-03-20	Maskinbeklaednad foer arkformningsdelen av en pappersmaskin.
FI874019A (fi)	1988-03-16	Foerbaettrat foerfarande foer blekning av cellulosamassa medelst vaeteperoxid.
FI77063B (fi)	1988-09-30	Foerfarande foer effektivering av fibersuspensionstvaett.
FI874236A0 (fi)	1987-09-25	Redskap foer stoedande av koerbanor avsedda foer roerliga leksaker.
FI871313A0 (fi)	1987-03-25	Foerfarande foer framstaellning av laekemedelsadsorbat.
FI875315A0 (fi)	1987-12-02	Foerfarande foer framstaellning av 2 -substituerade metylpenicillinderivat.
FI874063A (fi)	1988-03-20	Foerfarande foer framstaellning av bensoesyraderivat.
FI873654A0 (fi)	1987-08-24	Maetning av arkmaterial innehaollande fuktskikt.
FI873730A0 (fi)	1987-08-27	Co2-gastryckpatroner foer framstaellning av kolsyrad dryck.
FI875488A0 (fi)	1987-12-14	Foerfarande foer soenderdelning av akrylamid.
FI865039A (fi)	1988-06-11	Foerpackning av slipmaterial.
FI82029B (fi)	1990-09-28	Anordning foer vaermehaerdning av glasskivor.
FI870738A (fi)	1987-09-07	Inloppslaoda foer framstaellning av fiberaemnesbanor.
FI871516A0 (fi)	1987-04-07	Anordning foer skoerning av fanerskivor.
FI860245A (fi)	1987-07-21	Foerfarande foer identifiering av en traeytas ytegenskaper.
FI875058A0 (fi)	1987-11-16	Anordning foer loesgoerbart faestande av en skidsko.
FI860623A (fi)	1987-07-14	Foerfarande foer framstaellning av fiskfoderpellets.
FI870675A0 (fi)	1987-02-18	Framstaellning av cyanidhydratas.
FI870132A (fi)	1987-07-19	Extruderingsverktyg foer framstaellning av en flerskiktig slangfolie.

Legal Events

Date	Code	Title	Description
1993-01-18	BB	Publication of examined application
2004-08-31	MM	Patent lapsed	Owner name: THE DOW CHEMICAL COMPANY