FI20165470A - A process for producing chemical pulp at a pulp mill digester - Google Patents

A process for producing chemical pulp at a pulp mill digester

Info

Publication number
FI20165470A
FI20165470A FI20165470A FI20165470A FI20165470A FI 20165470 A FI20165470 A FI 20165470A FI 20165470 A FI20165470 A FI 20165470A FI 20165470 A FI20165470 A FI 20165470A FI 20165470 A FI20165470 A FI 20165470A
Authority
FI
Finland
Prior art keywords
pulp
producing chemical
mill digester
digester
chemical pulp
Prior art date
Application number
FI20165470A
Other languages
Finnish (fi)
Inventor
Auvo Kettunen
Johan Engström
Jussi Piira
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=59337707&utm_source=***_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI20165470(A) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Andritz Oy filed Critical Andritz Oy
Priority to FI20165470A priority Critical patent/FI20165470A/en
Priority to PT177396231T priority patent/PT3464715T/en
Priority to ES17739623T priority patent/ES2896078T3/en
Priority to EP17739623.1A priority patent/EP3464715B1/en
Priority to PCT/FI2017/050408 priority patent/WO2017212111A1/en
Priority to UY0001037275A priority patent/UY37275A/en
Publication of FI20165470A publication Critical patent/FI20165470A/en

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
    • D21C7/00—Digesters
    • D21C7/10—Heating devices
    • 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
    • D21C3/22—Other features of pulping processes
    • D21C3/24—Continuous 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
    • D21C7/00—Digesters
    • D21C7/14—Means for circulating the lye
FI20165470A 2016-06-06 2016-06-06 A process for producing chemical pulp at a pulp mill digester FI20165470A (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
FI20165470A FI20165470A (en) 2016-06-06 2016-06-06 A process for producing chemical pulp at a pulp mill digester
PT177396231T PT3464715T (en) 2016-06-06 2017-06-01 Method of producing chemical pulp at a digester plant of a chemical pulp mill
ES17739623T ES2896078T3 (en) 2016-06-06 2017-06-01 Chemical pulp production procedure in a chemical pulp mill digester plant
EP17739623.1A EP3464715B1 (en) 2016-06-06 2017-06-01 Method of producing chemical pulp at a digester plant of a chemical pulp mill
PCT/FI2017/050408 WO2017212111A1 (en) 2016-06-06 2017-06-01 Method of producing chemical pulp at a digester plant of a chemical pulp mill
UY0001037275A UY37275A (en) 2016-06-06 2017-06-05 CHEMICAL PULP PRODUCTION METHOD ON A PLANT DIGESTING A CHEMICAL PULP FACTORY

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI20165470A FI20165470A (en) 2016-06-06 2016-06-06 A process for producing chemical pulp at a pulp mill digester

Publications (1)

Publication Number Publication Date
FI20165470A true FI20165470A (en) 2017-12-07

Family

ID=59337707

Family Applications (1)

Application Number Title Priority Date Filing Date
FI20165470A FI20165470A (en) 2016-06-06 2016-06-06 A process for producing chemical pulp at a pulp mill digester

Country Status (6)

Country Link
EP (1) EP3464715B1 (en)
ES (1) ES2896078T3 (en)
FI (1) FI20165470A (en)
PT (1) PT3464715T (en)
UY (1) UY37275A (en)
WO (1) WO2017212111A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE544629C2 (en) * 2021-02-03 2022-09-27 Valmet Oy Indirect heating of digester

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3258390A (en) 1962-10-20 1966-06-28 Domtar Ltd Method and apparatus for maintaining a water balance during impregnation and digestion of cellulosic material
SE453673B (en) 1985-07-02 1988-02-22 Kamyr Ab SEE CONTINUOUS COOKING TO HEAT THE FIBER MATERIAL AT THE COOKER'S TOP
US6306252B1 (en) 1995-04-10 2001-10-23 Andritz-Ahlstrom Inc. Heat recovery from spent digester cooking liquor
US6176971B1 (en) * 1998-11-18 2001-01-23 Andritz-Ahlstrom Inc. Heat economy enhancements for the recovery and use of energy obtained from spent cooking liquors
SE530332C2 (en) * 2006-11-07 2008-05-06 Metso Fiber Karlstad Ab Process for energy-efficient production of cellulose pulp in a continuous cookery
FI122983B (en) * 2009-02-09 2012-09-28 Andritz Inc A process for steam generation at a pulp mill digester
FI20090079A (en) 2009-03-05 2010-09-06 Andritz Inc Heat recovery from waste cooking liquor at a pulp mill digester
US9103070B2 (en) 2012-02-13 2015-08-11 Andritz Inc. Flash tank with adjustable inlet
FI127386B (en) 2014-03-05 2018-04-30 Andritz Oy A process for steam generation at a pulp mill digester

Also Published As

Publication number Publication date
ES2896078T3 (en) 2022-02-23
EP3464715A1 (en) 2019-04-10
UY37275A (en) 2018-01-31
EP3464715B1 (en) 2021-07-28
PT3464715T (en) 2021-11-02
WO2017212111A1 (en) 2017-12-14

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