TREA

Evaporation by direct contact with gases

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Industry

  • CPC
  • D21C11/103
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Parent Industries

DTEXTILES PAPER D21Papermaking D21CPRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS REGENERATION OF PULPING LIQUORS APPARATUS THEREFOR D21C11/00Regeneration of pulp liquors or effluent waste waters

Current Industry

D21C11/103Evaporation by direct contact with gases
Industries

Patents Grantslast 30 patents

  • Information Patent Grant

    Method and arrangement for separating contaminants from liquids or...
    • Patent number 8,992,729
    • Issue date Mar 31, 2015
    • Andritz Oy
    • Carl-Gustav Berg
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method of treating condensates
    • Patent number 6,217,711
    • Issue date Apr 17, 2001
    • Andritz-Ahlstrom Oy
    • Rolf Ryham
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for integrated evaporation and gasification of spent liquor...
    • Patent number 5,868,805
    • Issue date Feb 9, 1999
    • Kvaerner Pulping AB
    • Bengt Nilsson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Sulphur removal from gases associated with boilers having cascade e...
    • Patent number 5,360,513
    • Issue date Nov 1, 1994
    • A. Ahlstrom Corporation
    • Rolf C. Ryham
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for treating black liquor
    • Patent number 5,201,172
    • Issue date Apr 13, 1993
    • A. Ahlstrom Corporation
    • Bertel K. Hakulin
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Recovering chemicals from spent pulp liquors
    • Patent number 4,710,269
    • Issue date Dec 1, 1987
    • SKF Steel Engineering AB
    • Sven Santen
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Method for drying and burning viscous aqueous liquors which contain...
    • Patent number 4,363,698
    • Issue date Dec 14, 1982
    • Combustion Engineering, Inc.
    • Hugh W. Nelson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    System for drying and burning viscous aqueous liquors which contain...
    • Patent number 4,347,220
    • Issue date Aug 31, 1982
    • Combustion Engineering, Inc.
    • Hugh W. Nelson
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3920505
    • Patent number 3,920,505
    • Issue date Nov 18, 1975
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3780786
    • Patent number 3,780,786
    • Issue date Dec 25, 1973
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3703919
    • Patent number 3,703,919
    • Issue date Nov 28, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3635790
    • Patent number 3,635,790
    • Issue date Jan 18, 1972
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3574051
    • Patent number 3,574,051
    • Issue date Apr 6, 1971
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3515200
    • Patent number 3,515,200
    • Issue date Jun 2, 1970
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3456709
    • Patent number 3,456,709
    • Issue date Jul 22, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3439724
    • Patent number 3,439,724
    • Issue date Apr 22, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3425477
    • Patent number 3,425,477
    • Issue date Feb 4, 1969
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3275062
    • Patent number 3,275,062
    • Issue date Sep 27, 1966
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3053615
    • Patent number 3,053,615
    • Issue date Sep 11, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    3047362
    • Patent number 3,047,362
    • Issue date Jul 31, 1962
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2936215
    • Patent number 2,936,215
    • Issue date May 10, 1960
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2833619
    • Patent number 2,833,619
    • Issue date May 6, 1958
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2818917
    • Patent number 2,818,917
    • Issue date Jan 7, 1958
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    2590905
    • Patent number 2,590,905
    • Issue date Apr 1, 1952
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2524753
    • Patent number 2,524,753
    • Issue date Oct 10, 1950
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2522905
    • Patent number 2,522,905
    • Issue date Sep 19, 1950
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2463757
    • Patent number 2,463,757
    • Issue date Mar 8, 1949
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2403211
    • Patent number 2,403,211
    • Issue date Jul 2, 1946
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2363830
    • Patent number 2,363,830
    • Issue date Nov 28, 1944
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    2343027
    • Patent number 2,343,027
    • Issue date Feb 29, 1944
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents