EP2148953A4 - A recovery process for a pulp mill - Google Patents

A recovery process for a pulp mill

Info

Publication number
EP2148953A4
EP2148953A4 EP08750445A EP08750445A EP2148953A4 EP 2148953 A4 EP2148953 A4 EP 2148953A4 EP 08750445 A EP08750445 A EP 08750445A EP 08750445 A EP08750445 A EP 08750445A EP 2148953 A4 EP2148953 A4 EP 2148953A4
Authority
EP
European Patent Office
Prior art keywords
recovery process
pulp mill
pulp
mill
recovery
Prior art date
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.)
Withdrawn
Application number
EP08750445A
Other languages
German (de)
French (fr)
Other versions
EP2148953A1 (en
Inventor
Kari Saviharju
Heikki Jaakkola
Janne Vehmaa
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.)
Andritz Oy
Original Assignee
Andritz Oy
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.)
Filing date
Publication date
Application filed by Andritz Oy filed Critical Andritz Oy
Publication of EP2148953A1 publication Critical patent/EP2148953A1/en
Publication of EP2148953A4 publication Critical patent/EP2148953A4/en
Withdrawn legal-status Critical Current

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
    • D21C11/00—Regeneration of pulp liquors or effluent waste waters
    • D21C11/12—Combustion of pulp liquors
EP08750445A 2007-04-23 2008-04-22 A recovery process for a pulp mill Withdrawn EP2148953A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US91332207P 2007-04-23 2007-04-23
PCT/FI2008/000053 WO2008129117A1 (en) 2007-04-23 2008-04-22 A recovery process for a pulp mill

Publications (2)

Publication Number Publication Date
EP2148953A1 EP2148953A1 (en) 2010-02-03
EP2148953A4 true EP2148953A4 (en) 2012-01-25

Family

ID=39875131

Family Applications (1)

Application Number Title Priority Date Filing Date
EP08750445A Withdrawn EP2148953A4 (en) 2007-04-23 2008-04-22 A recovery process for a pulp mill

Country Status (9)

Country Link
US (1) US20080289782A1 (en)
EP (1) EP2148953A4 (en)
CN (1) CN101680175A (en)
AR (1) AR066249A1 (en)
BR (1) BRPI0810459A2 (en)
CA (1) CA2685120A1 (en)
CL (1) CL2008001155A1 (en)
UY (1) UY31040A1 (en)
WO (1) WO2008129117A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI126366B (en) * 2008-12-19 2016-10-31 Valmet Technologies Oy Treatment device for aerosol sprays of a soda boiler plant, soda boiler plant, and method of a soda boiler
CA2754521C (en) * 2009-03-09 2015-11-10 Kiram Ab A shaped cellulose manufacturing process combined with a pulp mill recovery system
CN105937758A (en) * 2016-06-14 2016-09-14 廖洁芬 Biomass direct-fired fire grate boiler
FI128373B (en) * 2017-06-20 2020-04-15 Valmet Automation Oy Method for controlling a recovery boiler

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698995A (en) * 1967-01-16 1972-10-17 Electric Reduction Co Digestion and bleaching of wood pulp followed by recovery of chemicals and countercurrent flow of wash water
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill
WO1994020675A1 (en) * 1993-03-02 1994-09-15 Kamyr, Inc. Zero discharge mill distillation, salt recovery, and water management
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate
WO1995003449A1 (en) * 1993-07-23 1995-02-02 Tampella Power Oy Method for adjusting the chlorine equilibrium in a sulphate cellulose process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5853535A (en) * 1991-01-28 1998-12-29 Champion International Corporation Process for manufacturing bleached pulp including recycling
US5374333A (en) * 1992-07-30 1994-12-20 Kamyr, Inc. Method for minimizing pulp mill effluents
US6776876B1 (en) * 1994-10-13 2004-08-17 Andritz Oy Method of treating cellulosic pulp to remove hexenuronic acid
US5992337A (en) * 1997-09-26 1999-11-30 Air Liquide America Corporation Methods of improving productivity of black liquor recovery boilers
SE514813E (en) * 1997-10-15 2005-05-24 Aga Ab Method for gasification of black liquor in soda pans
WO2003104547A1 (en) * 2002-06-07 2003-12-18 Andritz Oy System for producing energy at a pulp mill

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3698995A (en) * 1967-01-16 1972-10-17 Electric Reduction Co Digestion and bleaching of wood pulp followed by recovery of chemicals and countercurrent flow of wash water
US5352332A (en) * 1991-01-28 1994-10-04 Maples Gerald E Process for recycling bleach plant filtrate
US5300191A (en) * 1992-07-30 1994-04-05 Kamyr, Inc. Chlorine dioxide generation for a zero discharge pulp mill
WO1994020675A1 (en) * 1993-03-02 1994-09-15 Kamyr, Inc. Zero discharge mill distillation, salt recovery, and water management
WO1995003449A1 (en) * 1993-07-23 1995-02-02 Tampella Power Oy Method for adjusting the chlorine equilibrium in a sulphate cellulose process

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2008129117A1 *

Also Published As

Publication number Publication date
EP2148953A1 (en) 2010-02-03
CL2008001155A1 (en) 2008-11-03
US20080289782A1 (en) 2008-11-27
CN101680175A (en) 2010-03-24
CA2685120A1 (en) 2008-10-30
AR066249A1 (en) 2009-08-05
WO2008129117A1 (en) 2008-10-30
UY31040A1 (en) 2008-11-28
BRPI0810459A2 (en) 2014-10-14

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Legal Events

Date Code Title Description
PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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17P Request for examination filed

Effective date: 20091119

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR

AX Request for extension of the european patent

Extension state: AL BA MK RS

DAX Request for extension of the european patent (deleted)
A4 Supplementary search report drawn up and despatched

Effective date: 20111229

RIC1 Information provided on ipc code assigned before grant

Ipc: D21C 11/12 20060101AFI20111222BHEP

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN

18D Application deemed to be withdrawn

Effective date: 20120728