FI20060226A - Menetelmä kemiallisen massan käsittelemiseksi - Google Patents

Menetelmä kemiallisen massan käsittelemiseksi Download PDF

Info

Publication number: FI20060226A
Authority: FI; Finland
Prior art keywords: treatment; chemical pulp; pulp; chemical
Prior art date: 2005-03-08

Application number

FI20060226A

Other languages

English (en)

Swedish (sv)

Other versions

FI20060226A0 (fi

Inventor

Nam Hee Shin

Pamela O'leary

Olavi Pikka

Original Assignee

Andritz Inc

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.)

2005-03-08

Filing date

2006-03-08

Publication date

2006-09-09

2006-03-08 Application filed by Andritz Inc filed Critical Andritz Inc

2006-03-08 Publication of FI20060226A0 publication Critical patent/FI20060226A0/fi

2006-09-09 Publication of FI20060226A publication Critical patent/FI20060226A/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
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- 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
- D21C9/02—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents
- 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
- D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds
- D21C9/14—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds with ClO2 or chlorites

Landscapes

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

FI20060226A 2005-03-08 2006-03-08 Menetelmä kemiallisen massan käsittelemiseksi FI20060226A (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US65907705P	2005-03-08	2005-03-08
US11/339,853 US20060201642A1 (en)	2005-03-08	2006-01-26	Methods of treating chemical cellulose pulp

Publications (2)

Publication Number	Publication Date
FI20060226A0 FI20060226A0 (fi)	2006-03-08
FI20060226A true FI20060226A (fi)	2006-09-09

Family

ID=36968837

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI20060226A FI20060226A (fi)	2005-03-08	2006-03-08	Menetelmä kemiallisen massan käsittelemiseksi

Country Status (7)

Country	Link
US (1)	US20060201642A1 (fi)
JP (1)	JP4976707B2 (fi)
CN (1)	CN1896378B (fi)
BR (1)	BRPI0600771A (fi)
CA (1)	CA2537033A1 (fi)
FI (1)	FI20060226A (fi)
SE (1)	SE531227C2 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
FI122626B (fi) *	2006-03-31	2012-04-30	Laennen Tutkimus Western Res Inc Oy	Kemiallisen massan valkaisumenetelmä
EA013901B1 (ru) *	2006-10-11	2010-08-30	Акцо Нобель Н.В.	Отбеливание целлюлозы
US8920603B2 (en) *	2006-10-11	2014-12-30	Akzo Nobel N.V.	Bleaching of pulp
BR102014016692A2 (pt) *	2014-07-04	2016-03-29	Univ Estadual Paulista Julio D	processo de branqueamento de celulose e de produção de derivados de celulose
JP6411182B2 (ja) *	2014-11-13	2018-10-24	大王製紙株式会社	汚泥の脱水助剤及び汚泥の脱水方法
MX2017014612A (es) *	2015-05-14	2018-03-01	Fmc Corp	Metodo para hacer celulosa microcristalina blanqueada.
HRP20190259A2 (hr)	2019-02-07	2020-08-21	Marinko Mikulić	Kontinuirani postupak proizvodnje celulozne pulpe iz travnatih sirovina

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2166330A (en) *	1938-09-12	1939-07-18	Mathieson Alkali Works Inc	Method of bleaching
US4568420B1 (en) *	1984-12-03	1999-03-02	Int Paper Co	Multi-stage bleaching process including an enhanced oxidative extraction stage
US5268075A (en) *	1989-10-19	1993-12-07	North Carolina State University	High efficiency two-step, high-low pH chlorine dioxide pulp bleaching process
JPH06158573A (ja) *	1992-11-18	1994-06-07	Mitsubishi Gas Chem Co Inc	製紙用化学パルプの漂白方法
US6776876B1 (en) *	1994-10-13	2004-08-17	Andritz Oy	Method of treating cellulosic pulp to remove hexenuronic acid
FI102301B (fi) *	1994-10-13	1998-11-13	Andritz Oy	Menetelmä selluloosamassojen käsittelemiseksi
ATE212087T1 (de) *	1996-09-11	2002-02-15	Solvay Interox Sa	Verfahren zum bleichen von papierzellstoff
FI119383B (fi) *	1998-03-06	2008-10-31	Andritz Oy	Menetelmä massan käsittelemiseksi
CA2327248A1 (en) *	1999-12-02	2001-06-02	Andritz-Ahlstrom Inc.	Environmentally-friendly fiberline for producing bleached chemical pulp
CN1100177C (zh) *	2000-07-20	2003-01-29	华南理工大学	硫酸盐木浆高温二氧化氯漂白方法
JP2003253582A (ja) *	2002-03-06	2003-09-10	Nippon Paper Industries Co Ltd	パルプの漂白処理方法
JP3915682B2 (ja) *	2002-12-04	2007-05-16	王子製紙株式会社	漂白パルプの製造方法
JP2005226184A (ja) *	2004-02-12	2005-08-25	Nippon Paper Industries Co Ltd	パルプの漂白処理方法

2006
- 2006-01-26 US US11/339,853 patent/US20060201642A1/en not_active Abandoned
- 2006-02-21 CA CA002537033A patent/CA2537033A1/en not_active Abandoned
- 2006-03-02 SE SE0600454A patent/SE531227C2/sv not_active IP Right Cessation
- 2006-03-06 JP JP2006059870A patent/JP4976707B2/ja not_active Expired - Fee Related
- 2006-03-07 CN CN2006100567830A patent/CN1896378B/zh not_active Expired - Fee Related
- 2006-03-08 FI FI20060226A patent/FI20060226A/fi unknown
- 2006-03-08 BR BRPI0600771-6A patent/BRPI0600771A/pt not_active Application Discontinuation

Also Published As

Publication number	Publication date
CA2537033A1 (en)	2006-09-08
US20060201642A1 (en)	2006-09-14
JP4976707B2 (ja)	2012-07-18
JP2006249650A (ja)	2006-09-21
CN1896378A (zh)	2007-01-17
SE0600454L (sv)	2006-09-09
SE531227C2 (sv)	2009-01-27
CN1896378B (zh)	2011-07-20
BRPI0600771A (pt)	2006-11-07
FI20060226A0 (fi)	2006-03-08

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