DE602004003573T2 - Reinigung alkalischer waschflüssigkeit - Google Patents

Reinigung alkalischer waschflüssigkeit Download PDF

Info

Publication number: DE602004003573T2
Authority: DE; Germany
Prior art keywords: scrubber; pulp; filtrate; partial flow; flow
Prior art date: 2003-04-07
Legal status (The legal status 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 status listed.): Expired - Lifetime

Application number

DE602004003573T

Other languages

German (de)

English (en)

Other versions

DE602004003573D1 (de

Inventor

Pasi Pigg

Hannu Sonni

Marjo Törönen

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Stora Enso Oyj

Original Assignee

Stora Enso Oyj

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.)

2003-04-07

Filing date

2004-04-06

Publication date

2007-09-27

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=8565931&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE602004003573(T2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

2004-04-06 Application filed by Stora Enso Oyj filed Critical Stora Enso Oyj

2007-01-18 Publication of DE602004003573D1 publication Critical patent/DE602004003573D1/de

2007-09-27 Application granted granted Critical

2007-09-27 Publication of DE602004003573T2 publication Critical patent/DE602004003573T2/de

2024-04-07 Anticipated expiration legal-status Critical

Status Expired - Lifetime legal-status Critical Current

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
- D21C9/02—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
- D21C11/00—Regeneration of pulp liquors or effluent waste waters
- 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

Landscapes

Life Sciences & Earth Sciences (AREA)
Engineering & Computer Science (AREA)
Wood Science & Technology (AREA)
Paper (AREA)
Physical Water Treatments (AREA)
Polysaccharides And Polysaccharide Derivatives (AREA)
Cleaning Or Drying Semiconductors (AREA)
Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
Detergent Compositions (AREA)

DE602004003573T 2003-04-07 2004-04-06 Reinigung alkalischer waschflüssigkeit Expired - Lifetime DE602004003573T2 (de)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
FI20030522A FI115977B2 (fi)	2003-04-07	2003-04-07	Alkalisen pesunesteen puhdistaminen
FI20030522		2003-04-07
PCT/FI2004/000210 WO2004090225A1 (en)	2003-04-07	2004-04-06	Purification of alkaline washing liquid

Publications (2)

Publication Number	Publication Date
DE602004003573D1 DE602004003573D1 (de)	2007-01-18
DE602004003573T2 true DE602004003573T2 (de)	2007-09-27

Family

ID=8565931

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE602004003573T Expired - Lifetime DE602004003573T2 (de)	2003-04-07	2004-04-06	Reinigung alkalischer waschflüssigkeit

Country Status (8)

Country	Link
US (1)	US20070039702A1 (fi)
EP (1)	EP1611281B1 (fi)
JP (1)	JP2006522235A (fi)
AT (1)	ATE347636T1 (fi)
DE (1)	DE602004003573T2 (fi)
ES (1)	ES2278312T3 (fi)
FI (1)	FI115977B2 (fi)
WO (1)	WO2004090225A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP4825709B2 (ja) *	2007-03-15	2011-11-30	三菱製紙株式会社	発泡及びピッチトラブル抑制方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5509999A (en) *	1993-03-24	1996-04-23	Kamyr, Inc.	Treatment of bleach plant effluents
US5489363A (en) *	1993-05-04	1996-02-06	Kamyr, Inc.	Pulping with low dissolved solids for improved pulp strength
SE9303762L (sv) *	1993-11-15	1995-05-16	Eka Nobel Ab	Sätt att rena processvatten från massaframställning
FI990127A7 (fi) *	1999-01-22	2000-07-23	Andritz Oy	Menetelmä massan käsittelemiseksi
SE519342C2 (sv) *	1999-10-25	2003-02-18	Andritz Oy	Förfarande och anordning för att avskilja såpa från tvättfiltrat
US6752903B2 (en) *	2001-07-27	2004-06-22	Craig A. Bianchini	Method for mitigating the interference caused by high-molecular weight by-products in pulping processes

2003
- 2003-04-07 FI FI20030522A patent/FI115977B2/fi not_active IP Right Cessation
2004
- 2004-04-06 DE DE602004003573T patent/DE602004003573T2/de not_active Expired - Lifetime
- 2004-04-06 JP JP2006505631A patent/JP2006522235A/ja active Pending
- 2004-04-06 US US10/552,435 patent/US20070039702A1/en not_active Abandoned
- 2004-04-06 ES ES04725953T patent/ES2278312T3/es not_active Expired - Lifetime
- 2004-04-06 WO PCT/FI2004/000210 patent/WO2004090225A1/en not_active Ceased
- 2004-04-06 EP EP04725953A patent/EP1611281B1/en not_active Expired - Lifetime
- 2004-04-06 AT AT04725953T patent/ATE347636T1/de active

Also Published As

Publication number	Publication date
WO2004090225A1 (en)	2004-10-21
EP1611281A1 (en)	2006-01-04
FI115977B2 (fi)	2019-03-29
EP1611281B1 (en)	2006-12-06
ES2278312T3 (es)	2007-08-01
ATE347636T1 (de)	2006-12-15
JP2006522235A (ja)	2006-09-28
FI115977B (fi)	2005-08-31
DE602004003573D1 (de)	2007-01-18
US20070039702A1 (en)	2007-02-22
FI20030522L (fi)	2004-10-08
FI20030522A0 (fi)	2003-04-07

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Legal Events

Date	Code	Title	Description
2007-08-16	8363	Opposition against the patent