SE9502471L - Förfarande och anordning för behandling - Google Patents

Förfarande och anordning för behandling

Info

Publication number
SE9502471L
SE9502471L SE9502471A SE9502471A SE9502471L SE 9502471 L SE9502471 L SE 9502471L SE 9502471 A SE9502471 A SE 9502471A SE 9502471 A SE9502471 A SE 9502471A SE 9502471 L SE9502471 L SE 9502471L
Authority
SE
Sweden
Prior art keywords
black liquor
liquor
retention
retention vessel
treatment
Prior art date
Application number
SE9502471A
Other languages
English (en)
Other versions
SE9502471D0 (sv
Inventor
Eric Aagren
Original Assignee
Ahlstroem 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 Ahlstroem Oy filed Critical Ahlstroem Oy
Publication of SE9502471D0 publication Critical patent/SE9502471D0/sv
Publication of SE9502471L publication Critical patent/SE9502471L/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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0018—Evaporation of components of the mixture to be separated
    • B01D9/0031—Evaporation of components of the mixture to be separated by heating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D9/00—Crystallisation
    • B01D9/0063—Control or regulation
    • 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
    • Y10S159/22—Condensate flashing

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
  • Paper (AREA)
SE9502471A 1994-07-11 1995-07-06 Förfarande och anordning för behandling SE9502471L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI943286A FI96785B (sv) 1994-07-11 1994-07-11 Förfarande och anordning för behandling av svartlut

Publications (2)

Publication Number Publication Date
SE9502471D0 SE9502471D0 (sv) 1995-07-06
SE9502471L true SE9502471L (sv) 1996-01-12

Family

ID=8541082

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9502471A SE9502471L (sv) 1994-07-11 1995-07-06 Förfarande och anordning för behandling

Country Status (4)

Country Link
US (1) US5716496A (sv)
CA (1) CA2153381A1 (sv)
FI (1) FI96785B (sv)
SE (1) SE9502471L (sv)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2229973C (en) * 1997-02-21 2002-08-13 Ahlstrom Machinery Oy Method of inhibiting scaling in black liquor evaporators
US6070559A (en) 1999-05-21 2000-06-06 Armstrong International, Inc. Annular tube heat exchanger
FI115998B (sv) * 2000-10-17 2005-08-31 Andritz Oy Anordning för inmatning av svartlut i en återvinningspanna
SE517739E (sv) * 2000-11-22 2009-03-03 Metso Power Ab Förfarande vid industning av vätskor, exempelvis svartlut från cellulosakokning, innehållande fasta och lösta ämnen
US7985318B2 (en) 2007-05-10 2011-07-26 Nalco Company Method of monitoring and inhibiting scale deposition in pulp mill evaporators and concentrators
CN101629393B (zh) * 2009-08-20 2013-01-09 江苏华机环保设备有限责任公司 制浆黑液的降膜结晶蒸发工艺
CN101851041B (zh) * 2010-04-27 2012-02-08 中国海诚工程科技股份有限公司 一种脱硫废水深化处理实现零排放的方法和装置
CN104067081B (zh) 2012-01-27 2017-04-05 开利公司 蒸发器和液体分布器
CN105217702B (zh) * 2015-11-03 2019-03-05 神华集团有限责任公司 一种脱硫废水处理***

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI92226B (sv) * 1991-04-15 1994-06-30 Ahlstroem Oy Förfarande för förtjockning av avlutar och återvinning av kokkemikalier vid massaframställning med alkoholbaserade kokvätskor
US5143579A (en) * 1991-07-31 1992-09-01 International Paper Company Treatment of black liquor with a screw extruder evaporator
US5472568A (en) * 1993-09-07 1995-12-05 Air Products And Chemicals, Inc. Method for controlling the viscosity of Kraft black liquor

Also Published As

Publication number Publication date
US5716496A (en) 1998-02-10
FI943286A0 (sv) 1994-07-11
SE9502471D0 (sv) 1995-07-06
FI96785B (sv) 1996-05-15
CA2153381A1 (en) 1996-01-12
FI943286A (sv) 1996-01-12

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