SE9801855D0 - Method of inhibiting scaling in evaporators - Google Patents

Method of inhibiting scaling in evaporators

Info

Publication number
SE9801855D0
SE9801855D0 SE9801855A SE9801855A SE9801855D0 SE 9801855 D0 SE9801855 D0 SE 9801855D0 SE 9801855 A SE9801855 A SE 9801855A SE 9801855 A SE9801855 A SE 9801855A SE 9801855 D0 SE9801855 D0 SE 9801855D0
Authority
SE
Sweden
Prior art keywords
effluent
bleaching
plant
waste liquor
alkaline waste
Prior art date
Application number
SE9801855A
Other languages
English (en)
Other versions
SE522436C2 (sv
SE9801855L (sv
Inventor
Olof Faegerlind
Heikki Jaakkola
Erkki Kiiskilae
Original Assignee
Ahlstrom Machinery 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=SE9801855(D0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ahlstrom Machinery Oy filed Critical Ahlstrom Machinery Oy
Priority to SE9801855A priority Critical patent/SE522436C2/sv
Publication of SE9801855D0 publication Critical patent/SE9801855D0/sv
Priority to US09/299,000 priority patent/US6235151B1/en
Priority to FI991001A priority patent/FI123010B/sv
Publication of SE9801855L publication Critical patent/SE9801855L/sv
Publication of SE522436C2 publication Critical patent/SE522436C2/sv

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
    • D21C11/10—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)
SE9801855A 1998-05-26 1998-05-26 Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp SE522436C2 (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE9801855A SE522436C2 (sv) 1998-05-26 1998-05-26 Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp
US09/299,000 US6235151B1 (en) 1998-05-26 1999-04-26 Inhibiting scaling in alkaline waste liquor evaporators
FI991001A FI123010B (sv) 1998-05-26 1999-05-03 Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i indunstare

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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
SE9801855D0 true SE9801855D0 (sv) 1998-05-26
SE9801855L SE9801855L (sv) 1999-11-27
SE522436C2 SE522436C2 (sv) 2004-02-10

Family

ID=20411461

Family Applications (1)

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

Country Status (3)

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

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI117637B (sv) * 2000-03-24 2006-12-29 Andritz Oy Förfarande och anordning för förbränning av svartlut
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
SE522436C2 (sv) 2004-02-10
FI123010B (sv) 2012-09-28
FI991001A0 (sv) 1999-05-03
SE9801855L (sv) 1999-11-27
US6235151B1 (en) 2001-05-22
FI991001A (sv) 1999-11-27

Similar Documents

Publication Publication Date Title
MY108603A (en) Process for enhancing the dewaterability of waste sludge from microbiological digestion
CA2098092A1 (en) Method of Treatment of Waste Paper of the Like
US5120448A (en) Removal of aox frm bleach plant mill effluents by ph shift using the alkalinity/acidity sources available at the mill
PL335720A1 (en) Method of treating sludges for sewage treatment plants
CA2267690A1 (en) Process for reducing production of biomass during activated sludge treatment of pulp and paper mill effluents
US6090240A (en) Method of inhibiting scaling in black liquor evaporators
SE9801855D0 (sv) Method of inhibiting scaling in evaporators
ES2346603T3 (es) Procedimiento para recuperar alcalis y energia a partir de un licor negro que contiene silicato.
SE0203279L (sv) Förfarande för behandling av kondensat
SE9901720D0 (sv) Förfarande för avlägsnande av kväveoxider från rökgaserna i en återvinningspanna
ATE423867T1 (de) Behandlungsverfahren für kreislaufwasser
CA1049713A (en) Recovering turpentine and heat from black liquor from a continuous digestor
US5096540A (en) Method for recycling sulfur dioxide from sulfite pulping liquors
GR3036927T3 (en) Process and device for treatment of water from a biodegradeable process
JPH054160B2 (sv)
JPS59392A (ja) 有機性廃液の処理方法
JP4151140B2 (ja) 有機性廃棄物の消化前処理方法
FR2657344B1 (fr) Procede d'extinction de la chaux vive contenue dans les cendres.
Wang et al. Utilization of glucoisosaccharinic acid and components of Kraft black liquor as energy sources for growth of anaerobic bacteria
Lovell et al. Pilot testing of ozonation for color removal of kraft mill effluent
Webb Anaerobic biological treatment of wastewaters from the pulp and paper industry
NO801311L (no) Fremgangsmaate til desodorering av inndampningskondensater i celluloseindustrien
JPS5518273A (en) Treatment of concentrated liquid from reverse osmosis apparatus
Kobe Utilization and Disposal of Sulfite Waste Liquor
JPH0462799B2 (sv)

Legal Events

Date Code Title Description
NUG Patent has lapsed