Patents Assigned to ADY Resources Limited
  • Process for recovering lithium from a brine
    Patent number: 8641992
    Abstract: There is disclosed herein a process for recovering lithium from an impure natural or industrial brine, the process comprising adjusting the pH of a feed brine containing lithium to a value of no less than 11.3 and separating the waste solids and a solution containing lithium values. The solution may be further concentrated and treated to obtain lithium carbonate and a lithium chloride solution suitable for obtaining electrolytic grade lithium chloride.
    Type: Grant
    Filed: July 15, 2009
    Date of Patent: February 4, 2014
    Assignee: ADY Resources Limited
    Inventors: Daniel Ernesto Galli, Demetrio Humana, Maria de las Mercedes Otaiza, Claudia del Rosario Cachagua, Rene Enrique Santillan