NO952335D0 - Device and method for pulp bleaching - Google Patents

Device and method for pulp bleaching

Info

Publication number: NO952335D0
Authority: NO; Norway
Prior art keywords: pulp bleaching; bleaching; pulp
Prior art date: 1992-12-18

Application number

NO952335A

Other languages

Norwegian (no)

Other versions

NO952335L (en

Inventor

Oscar Luthi

Original Assignee

Ingersoll Rand 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.)

1992-12-18

Filing date

1995-06-13

Publication date

1995-06-13

1995-06-13 Application filed by Ingersoll Rand Co filed Critical Ingersoll Rand Co

1995-06-13 Publication of NO952335D0 publication Critical patent/NO952335D0/en

1995-06-13 Publication of NO952335L publication Critical patent/NO952335L/en

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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- 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
- D21C9/06—Washing ; Displacing cooking or pulp-treating liquors contained in the pulp by fluids, e.g. wash water or other pulp-treating agents in filters ; Washing of concentrated pulp, e.g. pulp mats, on filtering surfaces
- 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
- 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
- D21C9/147—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications
- D21C9/153—Bleaching ; Apparatus therefor with oxygen or its allotropic modifications with ozone

Landscapes

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

NO952335A 1992-12-18 1995-06-13 Device and method for pulp bleaching NO952335L (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US99332392A	1992-12-18	1992-12-18
PCT/US1993/012125 WO1994015016A1 (en)	1992-12-18	1993-12-10	Improved pulp bleaching apparatus and method

Publications (2)

Publication Number	Publication Date
NO952335D0 true NO952335D0 (en)	1995-06-13
NO952335L NO952335L (en)	1995-06-13

Family

ID=25539384

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO952335A NO952335L (en)	1992-12-18	1995-06-13	Device and method for pulp bleaching

Country Status (7)

Country	Link
EP (1)	EP0674729A4 (en)
JP (1)	JPH08504899A (en)
BR (1)	BR9307672A (en)
CA (1)	CA2151812A1 (en)
FI (1)	FI952999A0 (en)
NO (1)	NO952335L (en)
WO (1)	WO1994015016A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE0802028A2 (en) *	2008-09-24	2010-07-20	Metso Paper Inc	Apparatus for washing and / or dewatering pulp
US8828189B2 (en)	2012-01-30	2014-09-09	Andritz Inc.	Washer press with multiple nips and multiple displacement wash zones
CN105178085A (en) *	2015-09-21	2015-12-23	潍坊恒联浆纸有限公司	Poplar pulp black liquor green extraction process

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
SE318182B (en) *	1968-04-23	1969-12-01	Karlstad Mekaniska Ab
US3772144A (en) *	1971-04-14	1973-11-13	Improved Machinery Inc	Apparatus and method for thickening and washing suspensions containing fibrous material
US4310384A (en) *	1979-01-11	1982-01-12	Weyerhaeuser Company	Reducing chemical transfer between treatment stages
US4269656A (en) *	1980-04-02	1981-05-26	Ingersoll-Rand Company	Wood pulp forming system and method of recovering spent chemicals
JPS60121262A (en) *	1983-12-02	1985-06-28	Sumitomo Electric Ind Ltd	Continuous melt plating method

1993
- 1993-12-10 EP EP94904438A patent/EP0674729A4/en not_active Withdrawn
- 1993-12-10 BR BR9307672-0A patent/BR9307672A/en not_active Application Discontinuation
- 1993-12-10 JP JP6515246A patent/JPH08504899A/en active Pending
- 1993-12-10 WO PCT/US1993/012125 patent/WO1994015016A1/en not_active Application Discontinuation
- 1993-12-10 CA CA 2151812 patent/CA2151812A1/en not_active Abandoned
1995
- 1995-06-13 NO NO952335A patent/NO952335L/en unknown
- 1995-06-16 FI FI952999A patent/FI952999A0/en unknown

Also Published As

Publication number	Publication date
CA2151812A1 (en)	1994-07-07
BR9307672A (en)	1999-09-08
NO952335L (en)	1995-06-13
FI952999A (en)	1995-06-16
FI952999A0 (en)	1995-06-16
JPH08504899A (en)	1996-05-28
WO1994015016A1 (en)	1994-07-07
EP0674729A1 (en)	1995-10-04
EP0674729A4 (en)	1997-06-18

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