DK479287A - Fremgangsmaade til blegning af traepulp - Google Patents

Fremgangsmaade til blegning af traepulp

Info

Publication number: DK479287A
Authority: DK; Denmark
Prior art keywords: wheating; wood pulp; pulp; wood; wheating wood
Prior art date: 1986-09-15

Application number

DK479287A

Other languages

English (en)

Other versions

DK479287D0 (da

DK168543B1 (da

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

1987-09-14

Publication date

1988-03-16

1987-09-14 Application filed by Dow Chemical Co filed Critical Dow Chemical Co

1987-09-14 Publication of DK479287D0 publication Critical patent/DK479287D0/da

1988-03-16 Publication of DK479287A publication Critical patent/DK479287A/da

1994-04-18 Application granted granted Critical

1994-04-18 Publication of DK168543B1 publication Critical patent/DK168543B1/da

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)

DK479287A 1986-09-15 1987-09-14 Fremgangsmåde til blegning af træpulp med hydrogenperoxid DK168543B1 (da)

Applications Claiming Priority (2)

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

Publications (3)

Publication Number	Publication Date
DK479287D0 DK479287D0 (da)	1987-09-14
DK479287A true DK479287A (da)	1988-03-16
DK168543B1 DK168543B1 (da)	1994-04-18

Family

ID=25424494

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK479287A DK168543B1 (da)	1986-09-15	1987-09-14	Fremgangsmåde til blegning af træpulp med hydrogenperoxid

Country Status (12)

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

Families Citing this family (33)

* 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
DE69004492T3 (de) *	1989-06-06	2001-11-15	Eka Nobel Ab, Bohus	Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
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
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
SE9001481L (sv) *	1990-04-23	1991-10-24	Eka Nobel Ab	Reduktion av halogenorganiska foereningar i blekeriavlopp
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
WO1994020672A1 (en) *	1993-03-12	1994-09-15	University Of Georgia Research Foundation, Inc.	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
DE69409967T2 (de) *	1993-10-26	1998-11-05	Akzo Nobel Nv	Aminoalkan-diphosphonsäuren zum bleichen von zellstoff
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
RU2155834C1 (ru) *	2000-02-24	2000-09-10	Камский целлюлозно-бумажный комбинат	Способ отбелки древесной массы
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
RU2243304C1 (ru) *	2004-02-04	2004-12-27	Томский политехнический университет	Способ безхлорной отбелки сульфатной целлюлозы
US7351764B2 (en) *	2004-03-31	2008-04-01	Nalco Company	Methods to enhance brightness of pulp and optimize use of bleaching chemicals
RU2266993C1 (ru) *	2004-06-07	2005-12-27	Федорова Эльвира Ильинична	Способ отбелки сульфатной целлюлозы
RU2266992C1 (ru) *	2004-06-07	2005-12-27	Федорова Эльвира Ильинична	Способ отбелки целлюлозы
US7297225B2 (en) *	2004-06-22	2007-11-20	Georgia-Pacific Consumer Products Lp	Process for high temperature peroxide bleaching of pulp with cool discharge
RU2283909C1 (ru) *	2004-12-30	2006-09-20	Открытое акционерное общество "Сибирский научно-исследовательский институт лесной, целлюлозно-бумажной промышленности" (ОАО "СибНИИ ЦБП")	Способ отбелки целлюлозы
US8138106B2 (en)	2005-09-30	2012-03-20	Rayonier Trs Holdings Inc.	Cellulosic fibers with odor control characteristics
RU2315831C1 (ru) *	2006-05-30	2008-01-27	Государственное образовательное учреждение высшего профессионального образования "Пермский государственный технический университет"	Способ делигнификации целлюлозы
US20080110584A1 (en) *	2006-11-15	2008-05-15	Caifang Yin	Bleaching process with at least one extraction stage
RU2413046C1 (ru) *	2009-09-21	2011-02-27	Эльвира Ильинична Федорова	Способ отбелки сульфатной целлюлозы

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 NO NO873833A patent/NO170347C/no unknown
- 1987-09-14 CA CA000546753A patent/CA1284558C/en not_active Expired - Fee Related
- 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
- 1987-09-15 BR BR8704771A patent/BR8704771A/pt not_active IP Right Cessation
- 1987-09-15 EP EP87308146A patent/EP0262836B1/en not_active Expired - Lifetime
- 1987-09-15 AU AU78407/87A patent/AU600756B2/en not_active Ceased
- 1987-09-15 ZA ZA876920A patent/ZA876920B/xx unknown
- 1987-09-15 DE DE8787308146T patent/DE3775688D1/de not_active Expired - Fee Related
- 1987-09-15 FI FI874019A patent/FI88526C/fi not_active IP Right Cessation

Also Published As

Publication number	Publication date
NO873833D0 (no)	1987-09-14
AU600756B2 (en)	1990-08-23
NO873833L (no)	1988-03-16
NZ221798A (en)	1990-07-26
CA1284558C (en)	1991-06-04
EP0262836A1 (en)	1988-04-06
FI88526B (fi)	1993-02-15
FI88526C (fi)	1993-05-25
EP0262836B1 (en)	1992-01-02
AU7840787A (en)	1988-03-17
BR8704771A (pt)	1988-05-17
ZA876920B (en)	1989-05-30
US4732650A (en)	1988-03-22
JPS63120187A (ja)	1988-05-24
NO170347B (no)	1992-06-29
DK479287D0 (da)	1987-09-14
DK168543B1 (da)	1994-04-18
NO170347C (no)	1992-10-07
JPH0814079B2 (ja)	1996-02-14
FI874019L (fi)	1988-03-16
FI874019A0 (fi)	1987-09-15
DE3775688D1 (de)	1992-02-13

Publication	Publication Date	Title
DK479287D0 (da)	1987-09-14	Fremgangsmaade til blegning af traepulp
DK122087A (da)	1987-12-04	Fremgangsmaade til paavisning af endoglycosidase
DK162647C (da)	1992-04-13	Fremgangsmaade til fremstilling af pyrido-imidazorifamyciner
DK264585D0 (da)	1985-06-12	Traebeskyttelsesmiddel
DK301986A (da)	1986-06-26	Fremgangsmaade til fremstilling af 1-hydroxyvitamin-d-forbindelser
DK78787A (da)	1987-08-19	Traebeskyttelsesmiddel
DK16987A (da)	1987-07-16	Maskine til fremstilling af spiseis
DK141287D0 (da)	1987-03-19	Traebeskyttelsesmiddel
DK379985D0 (da)	1985-08-21	Fremgangsmaade til fremstilling af 6-chlor-n-methyl-2,3,4,5-tetrahydro-lh-benzazepin
DK160829C (da)	1991-10-07	Fremgangsmaade til fremstilling af pyrido-imidazorifamyciner
DK156085D0 (da)	1985-04-03	Fremgangsmaade til fremstilling af acetoxyazetidinoner
FI870297A7 (fi)	1987-08-19	Puun suojaamismenetelmä.
FI882113A7 (fi)	1988-05-05	Menetelmä mekaanisen massan valmistamiseksi.
FI874289A7 (fi)	1988-04-03	Menetelmä puumassan valmistamiseksi.
DK82487D0 (da)	1987-02-18	Fremgangsmaade til fremstilling af cyanidhydratase
DK443487D0 (da)	1987-08-25	Multistik og fremgangsmaade og maskine til fremstilling af samme
DK478087D0 (da)	1987-09-14	Traebeskyttelsesmiddel
FI881930A7 (fi)	1988-04-25	Massanvalkaisumenetelmä.
DK417787D0 (da)	1987-08-11	Fremgangsmaade til fremstilling af 7-oxo-4-thia-1-azabicyclo-(3,2,0)hept-2-en-derivater
DK361387D0 (da)	1987-07-10	Fremgangsmaade til fremstilling af piperidinopyrimidin
FI850374A7 (fi)	1986-07-30	Menetelmä massan valkaisemiseksi.
DK229986A (da)	1986-11-19	Fremgangsmaade til fremstilling af 2-thiocromenylidenethylacetoacetater
DK350288D0 (da)	1988-06-24	Fremgangsmaade til fremstilling af n-epoxypropyllactamer
DK98287D0 (da)	1987-02-25	Fremgangsmaade til fremstilling af imidazolylthiophenaldehyder
DK987A (da)	1987-07-04	Fremgangsmaade til fremstilling af tetrachlorpyri- din

Legal Events

Date	Code	Title	Description
1994-04-18	B1	Patent granted (law 1993)
1996-05-20	PBP	Patent lapsed