SE506809C2 - Metod för att säkert bedriva trycksatt peroxidblekning - Google Patents

Metod för att säkert bedriva trycksatt peroxidblekning

Info

Publication number: SE506809C2
Authority: SE; Sweden
Prior art keywords: vessel; valve; pulp; exceeding; pressure
Prior art date: 1994-12-08

Application number

SE9404299A

Other languages

English (en)

Swedish (sv)

Other versions

SE9404299D0 (sv

SE9404299L (sv

Inventor

Torbjoern Carlsson

Lennart Gustavsson

Original Assignee

Kvaerner Pulping Tech

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.)

1994-12-08

Filing date

1994-12-08

Publication date

1998-02-16

1994-12-08 Application filed by Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech

1994-12-08 Priority to SE9404299A priority Critical patent/SE506809C2/sv

1994-12-08 Publication of SE9404299D0 publication Critical patent/SE9404299D0/xx

1995-01-25 Priority to US08/378,009 priority patent/US5858170A/en

1995-12-06 Priority to DE69520889T priority patent/DE69520889T2/de

1995-12-06 Priority to CN95196706A priority patent/CN1070961C/zh

1995-12-06 Priority to CA002205912A priority patent/CA2205912A1/en

1995-12-06 Priority to JP8517534A priority patent/JPH10510331A/ja

1995-12-06 Priority to PCT/SE1995/001462 priority patent/WO1996017997A1/en

1995-12-06 Priority to BR9509894A priority patent/BR9509894A/pt

1995-12-06 Priority to AT95941295T priority patent/ATE201066T1/de

1995-12-06 Priority to EP95941295A priority patent/EP0796369B1/de

1995-12-06 Priority to AU42761/96A priority patent/AU4276196A/en

1996-06-09 Publication of SE9404299L publication Critical patent/SE9404299L/

1997-06-05 Priority to FI972375A priority patent/FI115226B/fi

1998-02-16 Publication of SE506809C2 publication Critical patent/SE506809C2/sv

1998-02-17 Priority to US09/024,425 priority patent/US6007680A/en

Links

238000004061 bleaching Methods 0.000 title claims abstract description 8
150000002978 peroxides Chemical class 0.000 title claims abstract description 8
238000000034 method Methods 0.000 title claims abstract 11
239000007844 bleaching agent Substances 0.000 claims description 9
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 8
229910052760 oxygen Inorganic materials 0.000 claims description 8
239000001301 oxygen Substances 0.000 claims description 8
230000015572 biosynthetic process Effects 0.000 claims description 2
239000002360 explosive Substances 0.000 claims description 2
239000003480 eluent Substances 0.000 claims 1
238000013022 venting Methods 0.000 abstract 1
239000007788 liquid Substances 0.000 description 1
230000001105 regulatory effect Effects 0.000 description 1

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)
Detergent Compositions (AREA)

SE9404299A 1994-12-08 1994-12-08 Metod för att säkert bedriva trycksatt peroxidblekning SE506809C2 (sv)

Priority Applications (13)

Application Number	Priority Date	Filing Date	Title
SE9404299A SE506809C2 (sv)	1994-12-08	1994-12-08	Metod för att säkert bedriva trycksatt peroxidblekning
US08/378,009 US5858170A (en)	1994-12-08	1995-01-25	Method for pressurized peroxide bleaching
AU42761/96A AU4276196A (en)	1994-12-08	1995-12-06	Method for pressurized peroxide bleaching
PCT/SE1995/001462 WO1996017997A1 (en)	1994-12-08	1995-12-06	Method for pressurized peroxide bleaching
CN95196706A CN1070961C (zh)	1994-12-08	1995-12-06	加压过氧化物漂白法
CA002205912A CA2205912A1 (en)	1994-12-08	1995-12-06	Method for pressurized peroxide bleaching
JP8517534A JPH10510331A (ja)	1994-12-08	1995-12-06	加圧された過酸化物の漂白の方法
DE69520889T DE69520889T2 (de)	1994-12-08	1995-12-06	Verfahren zum druckperoxidbleichen
BR9509894A BR9509894A (pt)	1994-12-08	1995-12-06	Processo para executar de modo seguro o alvejamento pressurizado de polpa com peróxido
AT95941295T ATE201066T1 (de)	1994-12-08	1995-12-06	Verfahren zum druckperoxidbleichen
EP95941295A EP0796369B1 (de)	1994-12-08	1995-12-06	Verfahren zum druckperoxidbleichen
FI972375A FI115226B (fi)	1994-12-08	1997-06-05	Menetelmä paineistettua peroksidivalkaisua varten
US09/024,425 US6007680A (en)	1994-12-08	1998-02-17	Apparatus for safely conducting pressurized peroxide bleaching

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
SE9404299A SE506809C2 (sv)	1994-12-08	1994-12-08	Metod för att säkert bedriva trycksatt peroxidblekning

Publications (3)

Publication Number	Publication Date
SE9404299D0 SE9404299D0 (sv)	1994-12-08
SE9404299L SE9404299L (sv)	1996-06-09
SE506809C2 true SE506809C2 (sv)	1998-02-16

Family

ID=20396285

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
SE9404299A SE506809C2 (sv)	1994-12-08	1994-12-08	Metod för att säkert bedriva trycksatt peroxidblekning

Country Status (12)

Country	Link
US (1)	US5858170A (de)
EP (1)	EP0796369B1 (de)
JP (1)	JPH10510331A (de)
CN (1)	CN1070961C (de)
AT (1)	ATE201066T1 (de)
AU (1)	AU4276196A (de)
BR (1)	BR9509894A (de)
CA (1)	CA2205912A1 (de)
DE (1)	DE69520889T2 (de)
FI (1)	FI115226B (de)
SE (1)	SE506809C2 (de)
WO (1)	WO1996017997A1 (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5954066A (en) *	1995-01-25	1999-09-21	Kvaerner Pulping Ab	Method for controlling chemical reaction
AU3196897A (en) *	1997-04-30	1998-11-24	Kvaerner Pulping Ab	Outlet arrangement in a pressure vessel for the bleaching of pulp
US6059927A (en) *	1997-09-23	2000-05-09	Queen's University At Kingston	Method of reducing brightness reversion and yellowness (B*) of bleached mechanical wood pulps
US7297225B2 (en) *	2004-06-22	2007-11-20	Georgia-Pacific Consumer Products Lp	Process for high temperature peroxide bleaching of pulp with cool discharge
AU2008313142B2 (en) *	2007-10-17	2013-05-23	Nippon Steel & Sumikin Chemical Co., Ltd.	Production methods for solubilized lignin, saccharide raw material and monosaccharide raw material, and solubilized lignin

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3822179A (en) *	1969-02-27	1974-07-02	N Chari	Method and apparatus for optimizing steam consumption of continuous digester
US3607117A (en) *	1969-07-28	1971-09-21	Rust Engineering Co	Black liquor recovery boiler combustion and safety control system
US3622441A (en) *	1969-10-07	1971-11-23	Improved Machinery Inc	Multiple discharge stock treatment apparatus and method
US3719552A (en) *	1971-06-18	1973-03-06	American Cyanamid Co	Bleaching of lignocellulosic materials with oxygen in the presence of a peroxide
US4105494A (en) *	1973-01-05	1978-08-08	Sunds Aktiebolag	Process of gas-phase bleaching high consistency finely disintegrated pulp
US4177105A (en) *	1973-05-22	1979-12-04	Kamyr, Incorporated	Apparatus for delignifying and bleaching cellulose pulp
US4161421A (en) *	1977-09-13	1979-07-17	Kamyr, Inc.	Method and apparatus for continuous oxygen bleaching of cellulosic pulp
US4353384A (en) *	1978-12-29	1982-10-12	El Paso Polyolefins Company	High pressure tubular reactor apparatus
US4496099A (en) *	1984-03-05	1985-01-29	Garland Bull	Low pressure heating system
US4748004A (en) *	1986-02-13	1988-05-31	Goodspeed Byron Lester	Apparatus for cleaning air ports of a chemical recovery furnace
US4967840A (en) *	1990-01-18	1990-11-06	Resource Production Management, Inc.	Process and apparatus for forming a gaseous stream for introduction into hydrocarbon bearing formations and gas generator therefor
US5364505A (en) *	1992-12-07	1994-11-15	Kamyr, Inc.	Pressurized ozone pulp delignification reactor and a compressor for supplying ozone to the reactor
SE9301960L (sv) *	1993-06-08	1994-07-25	Kvaerner Pulping Tech	Blekning av kemisk massa med peroxid vid övertryck

1994
- 1994-12-08 SE SE9404299A patent/SE506809C2/sv unknown
1995
- 1995-01-25 US US08/378,009 patent/US5858170A/en not_active Expired - Lifetime
- 1995-12-06 AT AT95941295T patent/ATE201066T1/de not_active IP Right Cessation
- 1995-12-06 WO PCT/SE1995/001462 patent/WO1996017997A1/en not_active Ceased
- 1995-12-06 JP JP8517534A patent/JPH10510331A/ja active Pending
- 1995-12-06 EP EP95941295A patent/EP0796369B1/de not_active Expired - Lifetime
- 1995-12-06 CA CA002205912A patent/CA2205912A1/en not_active Abandoned
- 1995-12-06 AU AU42761/96A patent/AU4276196A/en not_active Abandoned
- 1995-12-06 CN CN95196706A patent/CN1070961C/zh not_active Expired - Fee Related
- 1995-12-06 BR BR9509894A patent/BR9509894A/pt not_active IP Right Cessation
- 1995-12-06 DE DE69520889T patent/DE69520889T2/de not_active Expired - Fee Related
1997
- 1997-06-05 FI FI972375A patent/FI115226B/fi active IP Right Grant

Also Published As

Publication number	Publication date
SE9404299D0 (sv)	1994-12-08
FI972375A0 (fi)	1997-06-05
JPH10510331A (ja)	1998-10-06
AU4276196A (en)	1996-06-26
CA2205912A1 (en)	1996-06-13
US5858170A (en)	1999-01-12
FI115226B (fi)	2005-03-31
WO1996017997A1 (en)	1996-06-13
EP0796369B1 (de)	2001-05-09
BR9509894A (pt)	1997-12-30
DE69520889T2 (de)	2001-11-29
FI972375L (fi)	1997-06-05
SE9404299L (sv)	1996-06-09
EP0796369A2 (de)	1997-09-24
CN1070961C (zh)	2001-09-12
CN1169170A (zh)	1997-12-31
DE69520889D1 (de)	2001-06-13
ATE201066T1 (de)	2001-05-15

Publication	Publication Date	Title
SE506809C2 (sv)	1998-02-16	Metod för att säkert bedriva trycksatt peroxidblekning
SE506808C2 (sv)	1998-02-16	Metod för att säkert bedriva trycksatt peroxidblekning
EP1585919B1 (de)	2008-05-14	Kondensatabscheider
US6007680A (en)	1999-12-28	Apparatus for safely conducting pressurized peroxide bleaching
GB2046361A (en)	1980-11-12	Pumping assembly for discharging oil from tankers
US3831619A (en)	1974-08-27	Apparatus for accurately maintaining small underpressures in a tank system which is connected to a gas suction installation
US5954066A (en)	1999-09-21	Method for controlling chemical reaction
JPH10156147A (ja)	1998-06-16	液体処理装置
US20030154869A1 (en)	2003-08-21	Alcohol stabilizer for offset printing dampening solution
SU941635A1 (ru)	1982-07-07	Система защиты турбины
JP2001276520A (ja)	2001-10-09	浄水装置
SU979835A1 (ru)	1982-12-07	Устройство дл управлени подогревателем паротурбинной установки
US20040040684A1 (en)	2004-03-04	Arrangement for feeding pulp to a bleaching tower
JP6816230B2 (ja)	2021-01-20	給水消火装置
JPS5666572A (en)	1981-06-05	Automatic unloader valve with built-in pressure control mechanism
JP2004342482A (ja)	2004-12-02	燃料電池システム
JP2754882B2 (ja)	1998-05-20	スチームアイロン
SE516352C2 (sv)	2001-12-17	Förfarande och apparatur för förbättring av batchkokningsprocess
JPH08327010A (ja)	1996-12-10	給水系のウォータハンマ防止装置
US3604449A (en)	1971-09-14	Apparatus for unloading liquid storage tanks
JPH08312580A (ja)	1996-11-26	先行待機運転ポンプ
JPS632357B2 (de)	1988-01-18
JP2501582Y2 (ja)	1996-06-19	並列運転冷却塔の水位制御装置
JPS6079292A (ja)	1985-05-07	制御棒水圧駆動装置
GB2576427A (en)	2020-02-19	Closed-loop pipework system de-aeration apparatus