[go: up one dir, main page]

SE9402971L - Förfarande för rening av sekundära kondensat vid indunstning av avlutar - Google Patents

Förfarande för rening av sekundära kondensat vid indunstning av avlutar

Info

Publication number
SE9402971L
SE9402971L SE9402971A SE9402971A SE9402971L SE 9402971 L SE9402971 L SE 9402971L SE 9402971 A SE9402971 A SE 9402971A SE 9402971 A SE9402971 A SE 9402971A SE 9402971 L SE9402971 L SE 9402971L
Authority
SE
Sweden
Prior art keywords
evaporation
condensate
stripping column
liquor
flows
Prior art date
Application number
SE9402971A
Other languages
Unknown language ( )
English (en)
Other versions
SE9402971D0 (sv
SE503351C2 (sv
Inventor
Haakan Mattsson
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
Priority to SE9402971A priority Critical patent/SE503351C2/sv
Publication of SE9402971D0 publication Critical patent/SE9402971D0/sv
Priority to US08/523,605 priority patent/US5830314A/en
Priority to CA002157563A priority patent/CA2157563C/en
Priority to FI954167A priority patent/FI117480B/sv
Publication of SE9402971L publication Critical patent/SE9402971L/sv
Publication of SE503351C2 publication Critical patent/SE503351C2/sv

Links

Classifications

    • 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
    • B01D3/06—Flash distillation
    • B01D3/065—Multiple-effect flash distillation (more than two traps)
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/26—Multiple-effect evaporating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D5/00—Condensation of vapours; Recovering volatile solvents by condensation
    • B01D5/0078—Condensation of vapours; Recovering volatile solvents by condensation characterised by auxiliary systems or arrangements
    • B01D5/009—Collecting, removing and/or treatment of the condensate
    • 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
    • D21C11/06—Treatment of pulp gases; Recovery of the heat content of the gases; Treatment of gases arising from various sources in pulp and paper mills; Regeneration of gaseous SO2, e.g. arising from liquors containing sulfur compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Paper (AREA)
  • Heat Treatment Of Water, Waste Water Or Sewage (AREA)
SE9402971A 1994-09-06 1994-09-06 Förfarande för rening av sekundära kondensat vid indunstning av avlutar SE503351C2 (sv)

Priority Applications (4)

Application Number Priority Date Filing Date Title
SE9402971A SE503351C2 (sv) 1994-09-06 1994-09-06 Förfarande för rening av sekundära kondensat vid indunstning av avlutar
US08/523,605 US5830314A (en) 1994-09-06 1995-09-05 Cleaning condensates from multi-effect evaporator of cellulose pulp waste liquors
CA002157563A CA2157563C (en) 1994-09-06 1995-09-05 Cleaning condensates from multi-effect evaporator of cellulose pulp waste liquors
FI954167A FI117480B (sv) 1994-09-06 1995-09-06 Förfarande för rening av kondensat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9402971A SE503351C2 (sv) 1994-09-06 1994-09-06 Förfarande för rening av sekundära kondensat vid indunstning av avlutar

Publications (3)

Publication Number Publication Date
SE9402971D0 SE9402971D0 (sv) 1994-09-06
SE9402971L true SE9402971L (sv) 1996-03-07
SE503351C2 SE503351C2 (sv) 1996-05-28

Family

ID=20395145

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9402971A SE503351C2 (sv) 1994-09-06 1994-09-06 Förfarande för rening av sekundära kondensat vid indunstning av avlutar

Country Status (4)

Country Link
US (1) US5830314A (sv)
CA (1) CA2157563C (sv)
FI (1) FI117480B (sv)
SE (1) SE503351C2 (sv)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE504164C2 (sv) * 1995-11-01 1996-11-25 Kvaerner Pulping Tech Förfarande för rening av kondensat vid indunstning av avlut
US6217711B1 (en) * 1998-02-11 2001-04-17 Andritz-Ahlstrom Oy Method of treating condensates
SE9802442D0 (sv) 1998-07-07 1998-07-07 Papsea Ab Reningsanordning
US6383342B1 (en) * 1999-03-17 2002-05-07 Andritz-Ahlstrom Oy Cluster rule compliance with reduced steam consumption
ES2199183T3 (es) * 1999-11-02 2004-02-16 Shell Internationale Research Maatschappij B.V. Procedimiento para la purificacion de agua residual industrial procedente de un proceso de produccion de oxido de propileno.
US20030056910A1 (en) * 2001-09-24 2003-03-27 Mullen Walter Thomas Method to lower the release of hazardous air pollutants from kraft recovery process
US20060254733A1 (en) * 2001-09-24 2006-11-16 Dunn Jerry P Method to lower the release of hazardous air pollutants from Kraft recovery process
FI119110B (sv) 2001-11-09 2008-07-31 Andritz Oy Förfarande för behandling av kondensat
CN100391570C (zh) * 2006-04-30 2008-06-04 周堃 一种多效蒸发淡化浓缩方法及装置
CA2654508C (en) * 2006-06-08 2014-07-29 Yale University Multi stage column distillation (mscd) method for osmotic solute recovery
FI20085400A0 (sv) * 2007-11-09 2008-04-30 Upm Kymmene Oyj Process för integrerad hantering av avfallsvatten
US8152956B2 (en) * 2007-12-26 2012-04-10 Fpinnovations Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
US9320986B2 (en) 2009-02-12 2016-04-26 A.H. Lundberg Systems Limited Methanol purification method and apparatus
US9044711B2 (en) 2009-10-28 2015-06-02 Oasys Water, Inc. Osmotically driven membrane processes and systems and methods for draw solute recovery
EA027334B1 (ru) 2009-10-28 2017-07-31 Оасис Уотер, Инк. Способы прямого осмотического разделения
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
FI127304B (sv) * 2011-02-03 2018-03-15 Stora Enso Oyj Förfarande för framställning av renad metanol ur kondensat från sulfatcellulosakok
GB2544288B (en) * 2015-11-10 2018-05-02 Ide Technologies Ltd Cleaning a multi-effect evaporator

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE365008B (sv) * 1971-11-19 1974-03-11 Mo Och Domsjoe Ab
US4002525A (en) * 1975-03-13 1977-01-11 Flambeau Paper Company Chemical recovery from waste liquors utilizing indirect heat exchangers in multi-stage evaporation plus contact steam stripping
CA1079008A (en) * 1975-10-24 1980-06-10 Cp Associates Limited Solvent pulping process
FI52601B (sv) * 1975-12-12 1977-06-30 Ahlstroem Oy
DE3445670A1 (de) * 1984-12-14 1986-06-19 Metallgesellschaft Ag, 6000 Frankfurt Verfahren zur reinigung von bruedenkondensat
US4878535A (en) * 1988-04-27 1989-11-07 Rosenblad Corporation Selective condensation apparatus
FI92226B (sv) * 1991-04-15 1994-06-30 Ahlstroem Oy Förfarande för förtjockning av avlutar och återvinning av kokkemikalier vid massaframställning med alkoholbaserade kokvätskor

Also Published As

Publication number Publication date
US5830314A (en) 1998-11-03
SE9402971D0 (sv) 1994-09-06
FI954167A0 (sv) 1995-09-06
FI954167L (sv) 1996-03-07
FI117480B (sv) 2006-10-31
SE503351C2 (sv) 1996-05-28
CA2157563C (en) 2001-09-04
CA2157563A1 (en) 1996-03-07

Similar Documents

Publication Publication Date Title
SE9402971L (sv) Förfarande för rening av sekundära kondensat vid indunstning av avlutar
CA2751602C (en) Methanol purification method and apparatus
CA2815166C (en) Method and arrangement for separating contaminants from liquids or vapors
FI63611B (fi) Foerfarande foer avlaegsning och aotervinning av flyktiga organiska komponenter fraon sulfitavlut
SE0203279D0 (sv) Förfarande för behandling av kondensat
SE9101278L (sv) Foerfarande foer behandling och aatervinning av blekeriavlopp fraan massafabriker
SE9503853L (sv) Förfarande för rening av kondensat vid indunstning av avlut
KR100395363B1 (ko) 용제의 정제방법 및 장치
NO324285B1 (no) Apparat for a rense vaeske i form av damp fra et kretslop.
US6383342B1 (en) Cluster rule compliance with reduced steam consumption
SU1147714A1 (ru) Способ переработки возвратного растворител
SU810679A1 (ru) Способ очистки соковых паров выпар-Ки МОчЕВиНы
SE0100010D0 (sv) Förfarande och anläggning för rening av orent kondensat uppkommet vid framställning av cellulosamassa
SU817117A1 (ru) Способ обработки сдувочных парогазовСульфАТНОй ВАРКи цЕллюлОзы
SU937448A1 (ru) Способ переработки растворов мочевины
SU1751218A1 (ru) Установка дл охлаждени гидролизатов растительного сырь
JPS5756083A (en) Treatment of waste water
RU93036241A (ru) Способ очистки водных растворов от летучих органических веществ
ES464467A1 (es) Un procedimiento mejorado para destilar una mezcla obtenida por extraccion de materiales de semilla oleaginosa
JPS61291003A (ja) 多段階式蒸留乾燥濃縮装置
JPS55129489A (en) Method and device for electrostatic desalination
HK1164776A (en) Methanol purification method and apparatus
PL24337B1 (pl) Sposób stezania wodnych roztworów kwasu octowego i urzadzenie do wykonywania tego sposobu.

Legal Events

Date Code Title Description
NUG Patent has lapsed