ATE55431T1 - Verfahren zur erhoehung des trockengehaltes von schwarzlauge. - Google Patents

Verfahren zur erhoehung des trockengehaltes von schwarzlauge.

Info

Publication number
ATE55431T1
ATE55431T1 AT86850183T AT86850183T ATE55431T1 AT E55431 T1 ATE55431 T1 AT E55431T1 AT 86850183 T AT86850183 T AT 86850183T AT 86850183 T AT86850183 T AT 86850183T AT E55431 T1 ATE55431 T1 AT E55431T1
Authority
AT
Austria
Prior art keywords
liquor
increasing
black liquid
dry content
led
Prior art date
Application number
AT86850183T
Other languages
English (en)
Inventor
Alf Ove Andersson
Original Assignee
Alf Ove Andersson
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=20360495&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ATE55431(T1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Alf Ove Andersson filed Critical Alf Ove Andersson
Application granted granted Critical
Publication of ATE55431T1 publication Critical patent/ATE55431T1/de

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
    • 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
    • Y10S423/00—Chemistry of inorganic compounds
    • Y10S423/03—Papermaking liquor

Landscapes

  • Paper (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Thiazole And Isothizaole Compounds (AREA)
  • Developing Agents For Electrophotography (AREA)
  • Heat Sensitive Colour Forming Recording (AREA)
  • Gas-Filled Discharge Tubes (AREA)
AT86850183T 1985-06-07 1986-05-22 Verfahren zur erhoehung des trockengehaltes von schwarzlauge. ATE55431T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE8502833A SE453757B (sv) 1985-06-07 1985-06-07 Sett att oka torrsubstanshalten hos svartlut vid dess atervinning i en sulfatmassaprocess
EP86850183A EP0207908B1 (de) 1985-06-07 1986-05-22 Verfahren zur Erhöhung des Trockengehaltes von Schwarzlauge

Publications (1)

Publication Number Publication Date
ATE55431T1 true ATE55431T1 (de) 1990-08-15

Family

ID=20360495

Family Applications (1)

Application Number Title Priority Date Filing Date
AT86850183T ATE55431T1 (de) 1985-06-07 1986-05-22 Verfahren zur erhoehung des trockengehaltes von schwarzlauge.

Country Status (8)

Country Link
US (1) US4857146A (de)
EP (1) EP0207908B1 (de)
JP (1) JPH0762318B2 (de)
AT (1) ATE55431T1 (de)
CA (1) CA1276058C (de)
DE (1) DE3673267D1 (de)
FI (1) FI82951C (de)
SE (1) SE453757B (de)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI73474B (fi) * 1985-04-25 1987-06-30 Tampella Oy Ab Saett att aotervinna vaerme och kemikalier fraon avlut.
FI92226B (fi) * 1991-04-15 1994-06-30 Ahlstroem Oy Menetelmä jäteliemen väkevöimiseksi ja keittokemikaalien talteenottamiseksi massanvalmistuksessa alkoholipohjaisilla keittoliuoksilla
SE505603C2 (sv) * 1994-10-20 1997-09-22 Kvaerner Pulping Tech Metod att slutindunsta svartlut i flera steg där luten förs i serie genom stegen och primärånga tillförs varje steg
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
GB0119237D0 (en) * 2001-08-07 2001-10-03 Bioregional Minimills Uk Ltd Paper plant
US20060201641A1 (en) * 2001-08-07 2006-09-14 Bioregional Minimills (Uk) Limited Methods for producing pulp and treating black liquor
US20030116290A1 (en) * 2001-12-20 2003-06-26 3M Innovative Properties Company Continuous process for controlled evaporation of black liquor

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3432402A (en) * 1967-01-19 1969-03-11 Arizona Chem Recovery of turpentine from black liquor

Also Published As

Publication number Publication date
JPH0762318B2 (ja) 1995-07-05
DE3673267D1 (de) 1990-09-13
SE8502833L (sv) 1986-12-08
EP0207908B1 (de) 1990-08-08
FI862401L (fi) 1986-12-08
FI82951B (fi) 1991-01-31
JPS61289194A (ja) 1986-12-19
FI82951C (fi) 1993-07-28
SE8502833D0 (sv) 1985-06-07
SE453757B (sv) 1988-02-29
CA1276058C (en) 1990-11-13
EP0207908A1 (de) 1987-01-07
US4857146A (en) 1989-08-15
FI862401A0 (fi) 1986-06-05

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Legal Events

Date Code Title Description
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee