FI954167A0 - Menetelmä lauhteiden puhdistamiseksi - Google Patents

Menetelmä lauhteiden puhdistamiseksi

Info

Publication number
FI954167A0
FI954167A0 FI954167A FI954167A FI954167A0 FI 954167 A0 FI954167 A0 FI 954167A0 FI 954167 A FI954167 A FI 954167A FI 954167 A FI954167 A FI 954167A FI 954167 A0 FI954167 A0 FI 954167A0
Authority
FI
Finland
Prior art keywords
condensates
cleaning
cleaning condensates
Prior art date
Application number
FI954167A
Other languages
English (en)
Swedish (sv)
Other versions
FI117480B (fi
FI954167A (fi
Inventor
Haokan 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
Publication of FI954167A0 publication Critical patent/FI954167A0/fi
Publication of FI954167A publication Critical patent/FI954167A/fi
Application granted granted Critical
Publication of FI117480B publication Critical patent/FI117480B/fi

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)
FI954167A 1994-09-06 1995-09-06 Menetelmä lauhteiden puhdistamiseksi FI117480B (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9402971 1994-09-06
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
FI954167A0 true FI954167A0 (fi) 1995-09-06
FI954167A FI954167A (fi) 1996-03-07
FI117480B FI117480B (fi) 2006-10-31

Family

ID=20395145

Family Applications (1)

Application Number Title Priority Date Filing Date
FI954167A FI117480B (fi) 1994-09-06 1995-09-06 Menetelmä lauhteiden puhdistamiseksi

Country Status (4)

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

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9503853L (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
CN1183041C (zh) * 1999-11-02 2005-01-05 国际壳牌研究有限公司 来自环氧丙烷生产过程的工业废水的净化方法
US20060254733A1 (en) * 2001-09-24 2006-11-16 Dunn Jerry P Method to lower the release of hazardous air pollutants from Kraft recovery process
US20030056910A1 (en) * 2001-09-24 2003-03-27 Mullen Walter Thomas Method to lower the release of hazardous air pollutants from kraft recovery process
FI119110B (fi) 2001-11-09 2008-07-31 Andritz Oy Menetelmä lauhteiden käsittelemiseksi
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
US8246791B2 (en) * 2006-06-08 2012-08-21 Yale University Multi-stage column distillation (MSCD) method for osmotic solute recovery
FI20085400A0 (fi) * 2007-11-09 2008-04-30 Upm Kymmene Oyj Menetelmä jäteveden integroidulle käsittelylle
WO2009079746A1 (en) * 2007-12-26 2009-07-02 Fpinnovations Use of chemical pulp mill steam stripper off gases condensate as reducing agent in chlorine dioxide production
NZ594625A (en) 2009-02-12 2013-06-28 A H Lundberg Systems Ltd Methanol purification from stripper off gas produced during the kraft pulping process and apparatus
BR112012010232A2 (pt) 2009-10-28 2017-07-04 Oasys Water Inc processos de separação por osmose direta
US9044711B2 (en) 2009-10-28 2015-06-02 Oasys Water, Inc. Osmotically driven membrane processes and systems and methods for draw solute recovery
KR20110123184A (ko) 2010-05-06 2011-11-14 바히아 스페셜티 셀룰로스 에스에이 높은 알파 용해 펄프 제조를 위한 방법 및 시스템
FI127304B (fi) * 2011-02-03 2018-03-15 Stora Enso Oyj Menetelmä puhdistetun metanolin valmistamiseksi sulfaattisellukeiton lauhteesta
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 (fi) * 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 (fi) * 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 (fi) * 1991-04-15 1994-06-30 Ahlstroem Oy Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla

Also Published As

Publication number Publication date
US5830314A (en) 1998-11-03
SE9402971L (sv) 1996-03-07
FI117480B (fi) 2006-10-31
CA2157563C (en) 2001-09-04
SE503351C2 (sv) 1996-05-28
FI954167A (fi) 1996-03-07
CA2157563A1 (en) 1996-03-07
SE9402971D0 (sv) 1994-09-06

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