Patents by Inventor Tuvia Zisner

Tuvia Zisner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Cooling crystallizer
    Patent number: 8763426
    Abstract: A system and method for separating at least a part of the solids from brine having an initial temperature T1, the system comprising a crystallizer comprising a crystallizer inlet for receiving therein said brine, a crystallizer first outlet for discharging vapor having a first pressure P1, evaporated from at least a part of said brine, and a crystallizer second outlet for discharging a slurry having a final temperature T2 lower than said initial temperature T1; a separator comprising a separator inlet for receiving therein said slurry, a separator first outlet for discharging therefrom said part of the solids separated from said slurry, and a separator second outlet for discharging therefrom a remaining liquid having a temperature substantially equal to T2; a compressor comprising a compressor inlet for receiving therein said vapor, and a compressor outlet for discharging therefrom a compressed vapor having a second pressure P2 higher than said pressure P1; and a condenser comprising a condenser first inlet f
    Type: Grant
    Filed: December 10, 2009
    Date of Patent: July 1, 2014
    Assignee: I.D.E. Technologies Ltd.
    Inventors: Yeshayahu Rotstein, Tuvia Zisner, Joseph Weinberg, Avraham Ophir
  • COOLING CRYSTALLIZER
    Publication number: 20110271712
    Abstract: A system and method for separating at least a part of the solids from brine having an initial temperature T1, the system comprising a crystallizer comprising a crystallizer inlet for receiving therein said brine, a crystallizer first outlet for discharging vapor having a first pressure P1, evaporated from at least a part of said brine, and a crystallizer second outlet for discharging a slurry having a final temperature T2 lower than said initial temperature T1; a separator comprising a separator inlet for receiving therein said slurry, a separator first outlet for discharging therefrom said part of the solids separated from said slurry, and a separator second outlet for discharging therefrom a remaining liquid having a temperature substantially equal to T2; a compressor comprising a compressor inlet for receiving therein said vapor, and a compressor outlet for discharging therefrom a compressed vapor having a second pressure P2 higher than said pressure P1; and a condenser comprising a condenser first inlet f
    Type: Application
    Filed: December 10, 2009
    Publication date: November 10, 2011
    Applicant: I.D.E. TECHNOLOGIES LTD.
    Inventors: Yeshayahu Rotstein, Tuvia Zisner, Joseph Weinberg, Avraham Ophir
  • Production of potassium sulfate using differential contacting
    Patent number: 5549876
    Abstract: A process for the manufacture of potassium sulfate from a sodium sulfate source, potash and water, comprising the steps of: (a) introducing the sodium sulfate source, water and potash into a differential countercurrent contactor; and (b) causing the sodium sulfate source, potash and water to contact differentially to produce potassium sulfate.
    Type: Grant
    Filed: November 28, 1994
    Date of Patent: August 27, 1996
    Assignee: Dead Sea Works
    Inventors: Tuvia Zisner, Curt Holdengraber, Shalom Lampert