FI961882L - Menetelmä metalli-ionien erottamiseksi massasta - Google Patents

Menetelmä metalli-ionien erottamiseksi massasta Download PDF

Info

Publication number: FI961882L
Authority: FI; Finland
Prior art keywords: mass; metal ions; separating metal; separating; ions
Prior art date: 1993-11-05

Application number

FI961882A

Other languages

English (en)

Finnish (fi)

Swedish (sv)

Other versions

FI961882A0 (fi

FI961882A7 (fi

Inventor

Ulf Germgaord

Original Assignee

Sunds Defibrator Ind Ab

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.)

1993-11-05

Filing date

1994-10-06

Publication date

1996-05-03

1994-10-06 Application filed by Sunds Defibrator Ind Ab filed Critical Sunds Defibrator Ind Ab

1996-05-03 Publication of FI961882L publication Critical patent/FI961882L/fi

1996-05-03 Publication of FI961882A0 publication Critical patent/FI961882A0/fi

1996-05-03 Publication of FI961882A7 publication Critical patent/FI961882A7/fi

Links

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
- D21C9/1026—Other features in bleaching processes
- D21C9/1042—Use of chelating 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
- D21C9/1005—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)
Manufacture And Refinement Of Metals (AREA)
Extraction Or Liquid Replacement (AREA)
Separation Using Semi-Permeable Membranes (AREA)
Disintegrating Or Milling (AREA)

FI961882A 1993-11-05 1994-10-06 Menetelmä metalli-ionien erottamiseksi massasta FI961882A7 (fi)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
SE9303644A SE501985C2 (sv)	1993-11-05	1993-11-05	Förfarande för avskiljning av metalljoner från massa i samband med blekning av massan
PCT/SE1994/000930 WO1995012710A1 (en)	1993-11-05	1994-10-06	A method of separating metal ions from pulp

Publications (3)

Publication Number	Publication Date
FI961882L true FI961882L (fi)	1996-05-03
FI961882A0 FI961882A0 (fi)	1996-05-03
FI961882A7 FI961882A7 (fi)	1996-05-03

Family

ID=20391642

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FI961882A FI961882A7 (fi)	1993-11-05	1994-10-06	Menetelmä metalli-ionien erottamiseksi massasta

Country Status (13)

Country	Link
US (1)	US5980689A (de)
EP (1)	EP0726980B1 (de)
JP (1)	JPH09504582A (de)
AT (1)	ATE175737T1 (de)
AU (1)	AU1036595A (de)
BR (1)	BR9407975A (de)
CA (1)	CA2173735A1 (de)
DE (1)	DE69415997T2 (de)
FI (1)	FI961882A7 (de)
NO (1)	NO961815D0 (de)
SE (1)	SE501985C2 (de)
WO (1)	WO1995012710A1 (de)
ZA (1)	ZA948015B (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US7297225B2 (en) *	2004-06-22	2007-11-20	Georgia-Pacific Consumer Products Lp	Process for high temperature peroxide bleaching of pulp with cool discharge
FI128968B (en) *	2020-03-31	2021-04-15	Chempolis Oy	Peroxide bleaching of cellulose pulp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE69004492T3 (de) *	1989-06-06	2001-11-15	Eka Nobel Ab, Bohus	Verfahren zum Bleichen von Lignocellulose enthaltenden Zellstoffen.
SE468355B (sv) *	1991-04-30	1992-12-21	Eka Nobel Ab	Blekning av kemisk massa genom behandling med komplexbildare och ozon
EP0564443A1 (de) *	1992-03-15	1993-10-06	Kamyr, Inc.	Behandlung von Bleichabwässern
CA2090396A1 (en) *	1992-04-03	1993-10-04	Josef Theurer	Tamping machine with a two-sleeper tamping unit
SE9201477L (sv) *	1992-05-11	1993-06-28	Kamyr Ab	Saett vid blekning av massa utan anvaendning av klorkemikalier
SE500113C2 (sv) *	1992-07-09	1994-04-18	Kamyr Ab	Sätt vid blekning av massa för omhändertagande av utlösta metaller
SE9301160L (sv) *	1992-08-28	1994-03-01	Sunds Defibrator Ind Ab	Förfarande för behandling av processvatten

1993
- 1993-11-05 SE SE9303644A patent/SE501985C2/sv not_active IP Right Cessation
1994
- 1994-10-06 AU AU10365/95A patent/AU1036595A/en not_active Abandoned
- 1994-10-06 BR BR9407975A patent/BR9407975A/pt not_active Application Discontinuation
- 1994-10-06 FI FI961882A patent/FI961882A7/fi unknown
- 1994-10-06 DE DE69415997T patent/DE69415997T2/de not_active Expired - Fee Related
- 1994-10-06 US US08/624,608 patent/US5980689A/en not_active Expired - Fee Related
- 1994-10-06 JP JP7513155A patent/JPH09504582A/ja active Pending
- 1994-10-06 AT AT95900957T patent/ATE175737T1/de not_active IP Right Cessation
- 1994-10-06 CA CA002173735A patent/CA2173735A1/en not_active Abandoned
- 1994-10-06 WO PCT/SE1994/000930 patent/WO1995012710A1/en not_active Ceased
- 1994-10-06 EP EP95900957A patent/EP0726980B1/de not_active Expired - Lifetime
- 1994-10-13 ZA ZA948015A patent/ZA948015B/xx unknown
1996
- 1996-05-03 NO NO961815A patent/NO961815D0/no unknown

Also Published As

Publication number	Publication date
NO961815L (no)	1996-05-03
SE9303644L (sv)	1995-05-06
DE69415997T2 (de)	1999-05-27
NO961815D0 (no)	1996-05-03
ZA948015B (en)	1995-05-31
SE9303644D0 (sv)	1993-11-05
DE69415997D1 (de)	1999-02-25
BR9407975A (pt)	1996-12-03
CA2173735A1 (en)	1995-05-11
EP0726980A1 (de)	1996-08-21
AU1036595A (en)	1995-05-23
FI961882A0 (fi)	1996-05-03
FI961882A7 (fi)	1996-05-03
JPH09504582A (ja)	1997-05-06
US5980689A (en)	1999-11-09
WO1995012710A1 (en)	1995-05-11
ATE175737T1 (de)	1999-01-15
EP0726980B1 (de)	1999-01-13
SE501985C2 (sv)	1995-07-03

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