ATE45197T1 - Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpefluessigkeit. - Google Patents

Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpefluessigkeit.

Info

Publication number
ATE45197T1
ATE45197T1 AT85901795T AT85901795T ATE45197T1 AT E45197 T1 ATE45197 T1 AT E45197T1 AT 85901795 T AT85901795 T AT 85901795T AT 85901795 T AT85901795 T AT 85901795T AT E45197 T1 ATE45197 T1 AT E45197T1
Authority
AT
Austria
Prior art keywords
spent
partially
liquor
oxidized
preparing
Prior art date
Application number
AT85901795T
Other languages
English (en)
Inventor
Robert J Spannuth
Robert A Damon
Original Assignee
James River Paper Co
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 James River Paper Co filed Critical James River Paper Co
Application granted granted Critical
Publication of ATE45197T1 publication Critical patent/ATE45197T1/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
    • D21C11/0057—Oxidation of liquors, e.g. in order to reduce the losses of sulfur compounds, followed by evaporation or combustion if the liquor in question is a black liquor
    • 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)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Medicinal Preparation (AREA)
  • Investigating Or Analysing Biological Materials (AREA)
  • Peptides Or Proteins (AREA)
  • Preparation Of Compounds By Using Micro-Organisms (AREA)
AT85901795T 1984-03-21 1985-03-20 Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpefluessigkeit. ATE45197T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US59203284A 1984-03-21 1984-03-21
PCT/US1985/000468 WO1985004202A1 (en) 1984-03-21 1985-03-20 A process for producing a partially oxidized, concentrated, spent pulping liquor
EP85901795A EP0179803B1 (de) 1984-03-21 1985-03-20 Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpeflüssigkeit

Publications (1)

Publication Number Publication Date
ATE45197T1 true ATE45197T1 (de) 1989-08-15

Family

ID=24368994

Family Applications (1)

Application Number Title Priority Date Filing Date
AT85901795T ATE45197T1 (de) 1984-03-21 1985-03-20 Verfahren zur herstellung einer teilweise oxydierten konzentrierten pulpefluessigkeit.

Country Status (9)

Country Link
US (1) US4718978A (de)
EP (1) EP0179803B1 (de)
JP (1) JPS61502064A (de)
AT (1) ATE45197T1 (de)
CA (1) CA1247809A (de)
DE (1) DE3572017D1 (de)
FI (1) FI81138C (de)
NO (1) NO168720C (de)
WO (1) WO1985004202A1 (de)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU7361687A (en) * 1986-06-23 1987-12-24 Zimpro Inc. Improvement in treatment of alkaline black liquor
FI85515C (fi) * 1990-07-09 1996-04-10 Ahlstroem Oy Foerfarande foer reglering av en sulfatcellulosafabriks sulfiditet
US6168685B1 (en) * 1992-01-10 2001-01-02 Praxair Canada Inc. Process FOR oxidation of concentrated black liquor
SE501613C2 (sv) * 1993-08-03 1995-03-27 Kvaerner Pulping Tech Sätt vid integrering av blekning och återvinning vid framställning av massa
US5472568A (en) * 1993-09-07 1995-12-05 Air Products And Chemicals, Inc. Method for controlling the viscosity of Kraft black liquor
SE9303762L (sv) * 1993-11-15 1995-05-16 Eka Nobel Ab Sätt att rena processvatten från massaframställning
US6036355A (en) * 1997-07-14 2000-03-14 Quantum Technologies, Inc. Reactor mixing assembly
US20030116290A1 (en) * 2001-12-20 2003-06-26 3M Innovative Properties Company Continuous process for controlled evaporation of black liquor

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3714911A (en) * 1971-03-10 1973-02-06 Sterling Drug Inc Method of treatment of alkaline pulping black liquors by wet air oxidation
US3873414A (en) * 1971-10-25 1975-03-25 Air Liquide Process for the treatment of black liquor of cellulosic pulp wherein oxidation is performed both before and after black liquor concentration
JPS52132102A (en) * 1976-04-03 1977-11-05 Oji Paper Co Process for reducing offensive smell in waste gas from recovery boiler
US4135968A (en) * 1976-04-09 1979-01-23 Weyerhaeuser Company Spent liquor treatment
US4441959A (en) * 1982-07-21 1984-04-10 International Paper Company Recovery of heat and chemical values from spent pulping liquors
SE8400904L (sv) * 1984-02-20 1985-08-21 Goetaverken Energy Syst Ab Forfarande och anordning for senkning av viskositeten hos svartlut

Also Published As

Publication number Publication date
JPS61502064A (ja) 1986-09-18
CA1247809A (en) 1989-01-03
WO1985004202A1 (en) 1985-09-26
FI854579A (fi) 1985-11-20
NO854567L (no) 1985-11-15
EP0179803B1 (de) 1989-08-02
US4718978A (en) 1988-01-12
FI854579A0 (fi) 1985-11-20
EP0179803A4 (de) 1986-07-31
FI81138C (fi) 1990-09-10
EP0179803A1 (de) 1986-05-07
NO168720B (no) 1991-12-16
FI81138B (fi) 1990-05-31
DE3572017D1 (en) 1989-09-07
NO168720C (no) 1992-03-25

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