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Method for desalination

  • US 10,457,568 B2
  • Filed: 04/03/2015
  • Issued: 10/29/2019
  • Est. Priority Date: 04/11/2014
  • Status: Active Grant
First Claim
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1. A method of removing dissolved elements from a liquid, the method comprising:

  • a) heating the liquid in a first heating step using a first heat source;

    b) introducing said heated liquid from the first heating step into a plurality of distillation steps for purifying the liquid heated by the first heating step, each of the plurality of distillation steps comprising at least one evaporation step and at least one condensation step, each of the plurality of distillation steps producing a distillate and a residual concentrate; and

    c) a second heating step for heating an additional volume of liquid;

    d) introducing heated liquid from the second heating step into a plurality of flashing chambers, each generating a volume of vapor;

    wherein at least a portion of the vapor from at least one of the plurality of flashing chambers is introduced into at least one of the plurality of distillation steps through one of a plurality of inputs consisting of a first input and a series of subsequent inputs, the vapor being introduced having a higher temperature than the temperature in the distillation step that is being introduced into.

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