Patents Assigned to Geothermal Energy Project, LLC
  • Separation of manganese from brine
    Patent number: 9534276
    Abstract: A method for the selective precipitation and recovery of manganese from a manganese containing solution, such as a geothermal brine is provided, wherein the geothermal brine is contacted with ammonia, an ammine, or ammonium salt at a pH of greater than about 8.0 to selectively precipitate manganese having a purity of at least about 95%. Also provided are methods for the selective recovery of manganese and zinc from a brine solution.
    Type: Grant
    Filed: September 19, 2012
    Date of Patent: January 3, 2017
    Assignee: GEOTHERMAL ENERGY PROJECT, LLC
    Inventors: Stephen Harrison, C. V. Krishnamohan Sharma, Samaresh Mohanta
  • Production of zinc chloride and zinc sulfate from geothermal brines
    Patent number: 9527753
    Abstract: This invention relates to a method for the selective recovery of zinc from geothermal brines, and the subsequent preparation of zinc chloride or zinc sulfate therefrom.
    Type: Grant
    Filed: March 19, 2013
    Date of Patent: December 27, 2016
    Assignee: Geothermal Energy Project, LLC
    Inventors: Stephen Harrison, Samaresh Mohanta, Elizabeth Geler