SE9800490L - Förfarande för förhindrande av uppkomst av beläggningar i svartlutsindunstningsanläggningar - Google Patents

Förfarande för förhindrande av uppkomst av beläggningar i svartlutsindunstningsanläggningar

Info

Publication number
SE9800490L
SE9800490L SE9800490A SE9800490A SE9800490L SE 9800490 L SE9800490 L SE 9800490L SE 9800490 A SE9800490 A SE 9800490A SE 9800490 A SE9800490 A SE 9800490A SE 9800490 L SE9800490 L SE 9800490L
Authority
SE
Sweden
Prior art keywords
liquor
stage
coatings
occurrence
procedure
Prior art date
Application number
SE9800490A
Other languages
English (en)
Other versions
SE515452C2 (sv
SE9800490D0 (sv
Inventor
Henrik Eneberg
Jarmo Kaila
Erki 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=21901096&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=SE9800490(L) "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
Publication of SE9800490D0 publication Critical patent/SE9800490D0/sv
Publication of SE9800490L publication Critical patent/SE9800490L/sv
Publication of SE515452C2 publication Critical patent/SE515452C2/sv

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • C—CHEMISTRY; METALLURGY
    • C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
    • C02F1/00—Treatment of water, waste water, or sewage
    • C02F1/02—Treatment of water, waste water, or sewage by heating
    • C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
    • C02F1/042—Prevention of deposits
    • 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
    • D21C11/0042—Fractionating or concentration of spent liquors by special methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/08—Multieffect or multistage
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/20—Additive
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S159/00—Concentrating evaporators
    • Y10S159/901—Promoting circulation

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Water Supply & Treatment (AREA)
  • Organic Chemistry (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
SE9800490A 1997-02-21 1998-02-19 Förfarande för förhindrande av beläggning av kalciumkarbonat i en indunstningsanläggning SE515452C2 (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US3864697P 1997-02-21 1997-02-21

Publications (3)

Publication Number Publication Date
SE9800490D0 SE9800490D0 (sv) 1998-02-19
SE9800490L true SE9800490L (sv) 1998-08-22
SE515452C2 SE515452C2 (sv) 2001-08-06

Family

ID=21901096

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9800490A SE515452C2 (sv) 1997-02-21 1998-02-19 Förfarande för förhindrande av beläggning av kalciumkarbonat i en indunstningsanläggning

Country Status (4)

Country Link
US (1) US6090240A (sv)
CA (1) CA2229973C (sv)
FI (1) FI123039B (sv)
SE (1) SE515452C2 (sv)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE522436C2 (sv) * 1998-05-26 2004-02-10 Andritz Oy Förfarande för förhindrande av nedsmutsning av värmeöverföringsytor i en flerstegsindunstningsanläggning för svartlut och blekeriutsläpp
US6333005B1 (en) 1999-06-16 2001-12-25 Hercules Incorporated Methods of preventing scaling involving inorganic compositions in combination with copolymers of maleic anhydride and isobutylene, and compositions therefor
US6355214B1 (en) 1999-06-16 2002-03-12 Hercules Incorporated Methods of preventing scaling involving inorganic compositions, and inorganic compositions therefor
FI110327B (sv) 1999-10-04 2002-12-31 Metso Chemical Pulping Oy Förfarande för framställning av cellulosamassa
US6749741B1 (en) * 2001-12-20 2004-06-15 Uop Llc Apparatus and process for prewashing a hydrocarbon stream containing hydrogen sulfide
US6893566B2 (en) * 2003-02-26 2005-05-17 Alexander G. Fassbender Sewage treatment system
US7241363B2 (en) * 2004-06-26 2007-07-10 International Paper Company Methods to decrease scaling in digester systems
US20080053913A1 (en) * 2006-09-06 2008-03-06 Fassbender Alexander G Nutrient recovery process
US20080156726A1 (en) * 2006-09-06 2008-07-03 Fassbender Alexander G Integrating recycle stream ammonia treatment with biological nutrient removal
US20080053909A1 (en) * 2006-09-06 2008-03-06 Fassbender Alexander G Ammonia recovery process
US7985318B2 (en) 2007-05-10 2011-07-26 Nalco Company Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators
WO2011102761A1 (en) * 2010-02-17 2011-08-25 Metso Power Ab Method and apparatus for controlling incrustations in multi stage evaporation train for black liquor
EP2443219B1 (en) * 2010-09-10 2012-10-31 Arizona Chemical Company, LLC Method for producing crude tall oil by soap washing with calcium carbonate removal
ES2729110T3 (es) * 2011-09-05 2019-10-30 Stora Enso Oyj Proceso para tratar el licor negro de madera dura y el licor negro de madera dura tratado de acuerdo con el proceso
US8986504B1 (en) 2013-10-25 2015-03-24 International Paper Company Digester apparatus
CN104759109B (zh) * 2015-04-20 2016-04-20 温州市凯杰药机有限公司 双效浓缩器
EP3115353A1 (en) * 2015-07-10 2017-01-11 GFBiochemicals Ltd. Process for the isolation of levulinic acid
CN108159718B (zh) * 2017-12-22 2021-03-05 辽宁东大粉体工程技术有限公司 一种高含盐、高cod工业废液分级碳化处理的装置及方法
CN110354517B (zh) * 2019-06-19 2021-10-26 常熟美特钙业有限公司 一种高浓度轻质碳酸钙的双效蒸发生产工艺

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1113207A (en) * 1978-04-19 1981-12-01 Allan F. Gilbert Removal of potassium values from pulp mill liquors
SE8502807D0 (sv) * 1985-06-06 1985-06-06 Ahlstroem Foeretagen Sett och apparatur for att deaktivera avlutar
US4953607A (en) * 1989-02-17 1990-09-04 A. Ahlstrom Multistage evaporating system
US5254286A (en) * 1991-05-31 1993-10-19 Calgon Corporation Composition for controlling scale in black liquor evaporators
JPH0699879B2 (ja) * 1992-08-27 1994-12-07 伯東株式会社 パルプ蒸解釜のスケール付着防止剤およびスケール付着防止方法
FI96785B (sv) * 1994-07-11 1996-05-15 Ahlstroem Oy Förfarande och anordning för behandling av svartlut
US5562830A (en) * 1995-09-14 1996-10-08 Betz Laboratories, Inc. Calcium carbonate scale controlling method

Also Published As

Publication number Publication date
FI980387A0 (fi) 1998-02-20
FI980387A (sv) 1998-08-22
FI123039B (sv) 2012-10-15
SE515452C2 (sv) 2001-08-06
CA2229973C (en) 2002-08-13
CA2229973A1 (en) 1998-08-21
US6090240A (en) 2000-07-18
SE9800490D0 (sv) 1998-02-19

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