[go: up one dir, main page]

SE9701546D0 - New process - Google Patents

New process

Info

Publication number
SE9701546D0
SE9701546D0 SE9701546A SE9701546A SE9701546D0 SE 9701546 D0 SE9701546 D0 SE 9701546D0 SE 9701546 A SE9701546 A SE 9701546A SE 9701546 A SE9701546 A SE 9701546A SE 9701546 D0 SE9701546 D0 SE 9701546D0
Authority
SE
Sweden
Prior art keywords
gas
superheated
salt
solidified
salt particles
Prior art date
Application number
SE9701546A
Other languages
English (en)
Inventor
Bengt Nilsson
Original Assignee
Kvaerner Pulping Tech
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 Kvaerner Pulping Tech filed Critical Kvaerner Pulping Tech
Priority to SE9701546A priority Critical patent/SE9701546D0/sv
Publication of SE9701546D0 publication Critical patent/SE9701546D0/sv
Priority to PCT/SE1998/000637 priority patent/WO1998048102A1/en
Priority to DE69839182T priority patent/DE69839182T2/de
Priority to AT98919692T priority patent/ATE387536T1/de
Priority to EP98919692A priority patent/EP0977919B1/en
Priority to US09/096,506 priority patent/US6062547A/en

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
    • D21C11/12—Combustion of pulp liquors
    • D21C11/125—Decomposition of the pulp liquors in reducing atmosphere or in the absence of oxidants, i.e. gasification or pyrolysis
    • 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
    • D21C11/063—Treatment of gas streams comprising solid matter, e.g. the ashes resulting from the combustion of black liquor
    • D21C11/066—Separation of solid compounds from these gases; further treatment of recovered products

Landscapes

  • Paper (AREA)
  • Treating Waste Gases (AREA)
  • Manufacture And Refinement Of Metals (AREA)
SE9701546A 1994-06-22 1997-04-24 New process SE9701546D0 (sv)

Priority Applications (6)

Application Number Priority Date Filing Date Title
SE9701546A SE9701546D0 (sv) 1997-04-24 1997-04-24 New process
PCT/SE1998/000637 WO1998048102A1 (en) 1997-04-24 1998-04-07 Separating alkali metals from gasified black liquor
DE69839182T DE69839182T2 (de) 1997-04-24 1998-04-07 Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge
AT98919692T ATE387536T1 (de) 1997-04-24 1998-04-07 Verfahren zur abtrennung der alkalimetalle aus vergaster schwarzlauge
EP98919692A EP0977919B1 (en) 1997-04-24 1998-04-07 Separating alkali metals from gasified black liquor
US09/096,506 US6062547A (en) 1994-06-22 1998-06-12 Quench vessel for recovering chemicals and energy from spent liquors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9701546A SE9701546D0 (sv) 1997-04-24 1997-04-24 New process

Publications (1)

Publication Number Publication Date
SE9701546D0 true SE9701546D0 (sv) 1997-04-24

Family

ID=20406712

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9701546A SE9701546D0 (sv) 1994-06-22 1997-04-24 New process

Country Status (5)

Country Link
EP (1) EP0977919B1 (sv)
AT (1) ATE387536T1 (sv)
DE (1) DE69839182T2 (sv)
SE (1) SE9701546D0 (sv)
WO (1) WO1998048102A1 (sv)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE514277C2 (sv) * 1999-06-07 2001-02-05 Kvaerner Chemrec Ab Anordning för förgasning av avlut

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE448173B (sv) * 1985-06-03 1987-01-26 Croon Inventor Ab Forfarande for utvinning av kemikalier fran cellulosaavlut genom pyrolys
SE9001957L (sv) * 1990-05-31 1991-12-01 Chemrec Ab Rening av processgas fraan partiell foerbraenning av svartlut
SE470516B (sv) * 1992-11-05 1994-06-27 Chemrec Ab Rening av gas från svartlutsförgasning
SE502038C2 (sv) * 1994-06-22 1995-07-24 Kvaerner Pulping Tech Förfarande för tvättning och kylning av gaser vid förgasning av svartlut

Also Published As

Publication number Publication date
EP0977919B1 (en) 2008-02-27
WO1998048102A1 (en) 1998-10-29
DE69839182T2 (de) 2009-02-19
EP0977919A1 (en) 2000-02-09
DE69839182D1 (de) 2008-04-10
ATE387536T1 (de) 2008-03-15

Similar Documents

Publication Publication Date Title
AU600756B2 (en) Improved process for the bleaching of cellulosic pulps using hydrogen peroxide
FI974455A0 (fi) Foerfarande foer produktion av foerrenad massa
SE9604111L (sv) Förfarande och anordning för framställning av kemisk cellulosamassa
SE9203612L (sv) Sätt vid blekning av massa utan användning av klorhaltiga kemikalier
RU94041701A (ru) Способ увеличения степени белизны древесной массы и жесткой древесной целлюлозы с высоким выходом
BR9611243A (pt) Processo de deslignificação a oxigênio de polpa proveniente de material lignocelulósico em concentração média em dois estágios
SE9701546D0 (sv) New process
ATE20364T1 (de) Rueckgewinnung von fasern aus kohlefreiem altpapier.
ATE286484T1 (de) Verfahren im zusammenhang mit der vergasung von zellstoffablaugen
FI96522B (sv) Förfarande för framställning av blekta kemitermomekaniska massor
GB9800494D0 (en) Washing machine
SE9702152L (sv) Minimering av övergångsmetalljoner vid kemisk tillverkning av massa
FI971922A0 (sv) Förfarande för tilllvaratagning av cellulosa
SE9603783L (sv) Utvinning av värdefulla kemikalier från svartlut
NO951190L (no) Forbedret bleking av höykonsistens-lignocellulosemasse
PT97793A (pt) Processo para a combustao parcial de lixivias de celulose exaustas
SE9303923L (sv) Förfarande vid integrerad indunstning och förgasning av avlut från cellulosakokning
BR0016351A (pt) Método aperfeiçoado para a produção de, polpa quìmica a partir de, material ligno-celulósico por meio de cozimento alcalino
SE9203366L (sv) Förfarande vid delignifiering och/eller blekning av cellulosamassa
CA1107941A (en) Method of refining of fibre material
CA2374353A1 (en) System for the oxygen delignification of pulp consisting of lignocellulose-containing material
JPS5426071A (en) Drum type fully automatic washing machine
FI66032B (fi) Foerfarande vid delignifiering av cellulosamassa
NO964888L (no) Detergentpulverblanding omfattende stabilisert perkarbonat
JPS53145893A (en) Foiltration of cellulosic derivative solution