Back to results
US 12,637,734 B2Granted
Process for extracting a metal of interest from a mineral substrate
AssigneeCemvita Factory, Inc.
InventorsRachel R. Rubin, James G. Floyd, Marina Nadal, Marny Reakes, Jesse Colangelo-Lillis, Cansu Floyd
Life of this patent
Estimating the term…
Abstract
A method for extracting a metal of interest from a mineral substrate comprising: 1) providing a mineral substrate containing a metal of interest, 2) contacting the mineral substrate with a leaching medium comprising a pH reducing microorganism and/or an acid or proton produced by a pH reducing microorganism, and 3) recovering a leachate comprising the metal of interest.
Claims20
A method for extracting a metal of interest from a mineral substrate comprising:
- 1) providing a mineral substrate containing a metal of interest,
- 2) contacting the mineral substrate with a leaching medium comprising a pH reducing microorganism and/or an acid or proton produced by a pH reducing microorganism, and
- 3) recovering a leachate comprising the metal of interest,
- wherein:
- A) the metal of interest is present in the mineral substrate at a level of 5% by weight or less,
- B) the metal of interest is a group I or group II metal, and/or
- C) the microorganism produces one or more dicarboxylic acids which is present in the leaching medium.
4 more elements
Dependencies are inferred from the claim text.