Dale Prentice

US Patent:

20230125242, Apr 27, 2023

Filed:

Oct 24, 2022

Appl. No.:

17/972392

Inventors:

- Oakland CA, US
Xin Chen - Los Angeles CA, US
Ross Alexander Arnold - Los Angeles CA, US
Dante Adam Simonetti - Los Angeles CA, US
Sara Vallejo Castano - Los Angeles CA, US
Dale Philip Prentice - Los Angeles CA, US
David Jassby - Los Angeles CA, US

International Classification:

C25B 1/18
C25B 11/046
C25B 11/034
C25B 15/08

Abstract:

A method of preparing metal hydroxides from industrial wastes or alkaline rocks is provided. The method comprise subjecting a mixture comprising a solvent and a solid substrate to a stimulus in order to leach a metal cation from the solid substrate into the solvent, thereby forming a solution comprising the metal cation in the solvent; and contacting the solution of comprising the metal cation with a cathode, thereby electrolytically precipitating the metal hydroxide from the solution. The stimulus may be chemical, mechanical, or both.