FI123010B - Menetelmä lämmönsiirtopintojen likaantumisen estämiseksi haihduttamossa - Google Patents

Menetelmä lämmönsiirtopintojen likaantumisen estämiseksi haihduttamossa Download PDF

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Publication number
FI123010B
FI123010B FI991001A FI991001A FI123010B FI 123010 B FI123010 B FI 123010B FI 991001 A FI991001 A FI 991001A FI 991001 A FI991001 A FI 991001A FI 123010 B FI123010 B FI 123010B
Authority
FI
Finland
Prior art keywords
bleaching
process according
black liquor
liquor
evaporator
Prior art date
Application number
FI991001A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI991001A0 (fi
FI991001A (fi
Inventor
Heikki Jaakkola
Erkki Kiiskilae
Olof Faegerlind
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=20411461&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI123010(B) "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
Publication of FI991001A0 publication Critical patent/FI991001A0/fi
Publication of FI991001A publication Critical patent/FI991001A/fi
Application granted granted Critical
Publication of FI123010B publication Critical patent/FI123010B/fi

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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
    • D21C11/10—Concentrating spent liquor by evaporation
    • D21C11/106—Prevention of incrustations on heating surfaces during the concentration, e.g. by elimination of the scale-forming substances contained in the liquors

Landscapes

  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
FI991001A 1998-05-26 1999-05-03 Menetelmä lämmönsiirtopintojen likaantumisen estämiseksi haihduttamossa FI123010B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9801855 1998-05-26
SE9801855A SE522436C2 (sv) 1998-05-26 1998-05-26 Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp

Publications (3)

Publication Number Publication Date
FI991001A0 FI991001A0 (fi) 1999-05-03
FI991001A FI991001A (fi) 1999-11-27
FI123010B true FI123010B (fi) 2012-09-28

Family

ID=20411461

Family Applications (1)

Application Number Title Priority Date Filing Date
FI991001A FI123010B (fi) 1998-05-26 1999-05-03 Menetelmä lämmönsiirtopintojen likaantumisen estämiseksi haihduttamossa

Country Status (3)

Country Link
US (1) US6235151B1 ( )
FI (1) FI123010B ( )
SE (1) SE522436C2 ( )

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117637B (fi) * 2000-03-24 2006-12-29 Andritz Oy Menetelmä ja laitteisto mustalipeän polttamiseksi
US7241363B2 (en) * 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
US9752237B2 (en) 2014-05-29 2017-09-05 Ecolab Usa Inc. Control of sugar evaporator scale using sugar or sugar moieties
CN110054334B (zh) * 2018-01-18 2021-11-23 金东纸业（江苏）股份有限公司 一种制浆废液的预处理系统
SE545943C2 (en) * 2021-07-02 2024-03-19 Soedra Skogsaegarna Ekonomisk Foerening Method for processing bark press water from sawmills and/or pulp mills
CN113680085A (zh) * 2021-08-28 2021-11-23 王明丽 一种氨基酸浓缩高效提取系统

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE8502807D0 (sv) 1985-06-06 1985-06-06 Ahlstroem Foeretagen Sett och apparatur for att deaktivera avlutar
US5120448A (en) * 1990-09-19 1992-06-09 Dorica Josesph G Removal of aox frm bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
US5401362A (en) * 1993-03-24 1995-03-28 Kamyr, Inc. Control of metals and dissolved organics in the bleach plant
US5509999A (en) 1993-03-24 1996-04-23 Kamyr, Inc. Treatment of bleach plant effluents
SE501613C2 (sv) 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
SE504424C2 (sv) * 1994-11-04 1997-02-10 Kvaerner Pulping Tech Sätt att fälla ut övergångsmetaller och alkaliska jordartsmetaller ur blekeriavlutar genom att tillsätta alkalisk vätska
CA2229973C (en) * 1997-02-21 2002-08-13 Ahlstrom Machinery Oy Method of inhibiting scaling in black liquor evaporators

Also Published As

Publication number Publication date
SE9801855D0 (sv) 1998-05-26
SE522436C2 (sv) 2004-02-10
FI991001A0 (fi) 1999-05-03
SE9801855L (sv) 1999-11-27
US6235151B1 (en) 2001-05-22
FI991001A (fi) 1999-11-27

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