Methods and apparatus for extracting metals from materials
AssigneeSiTration, Inc.
InventorsBrendan D. Smith, Daniel Bregante, Ahmed Helal, Morgan Baima, Jatin Patil
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Abstract
The present disclosure relates to an apparatus and method for selectively recovering target metals or minerals from a metal or mineral containing mixture/solution.
Claims31
An electrochemical reactor for extracting a target metal or mineral from a metal or mineral containing solution, the electrochemical reactor comprising:
- a flow cell, the flow cell comprising a plurality of silicon electrodes comprising two or more anodes and two or more cathodes;
- and
- a voltage source configured to apply a voltage between the one two or more anodes and the two or more cathodes,
- wherein the two or more cathodes and anodes form an array of alternating anodes and cathodes,
- wherein the metal or mineral containing solution is acidic,
- wherein the flow cell is configured to extract the target metal or mineral from the metal or mineral containing solution, and
- wherein the plurality of silicon electrodes are coated with a coating material comprising Pt/N, Pt/Pb/Sb, Pt/Pb/Sb/Ca, Pt/Ir, Pt/Ru, Pt/Bi, Pt/Hf, or Pt/W.
An electrochemical reactor for extracting a target metal or mineral from a metal or mineral containing solution, the electrochemical reactor comprising:
- a flow cell, the flow cell comprising a plurality of silicon electrodes comprising two or more anodes and two or more cathodes;
- and
- a voltage source configured to apply a voltage between the two or more anodes and the two or more cathodes,
- wherein the two or more cathodes and anodes form an array of alternating anodes and cathodes,
- wherein the metal or mineral containing solution is acidic,
- wherein the flow cell is configured to extract the target metal or mineral from the metal or mineral containing solution, and
- wherein the plurality of silicon electrodes are coated with a coating material comprising Au/Ni, Au/Pb/Sb, Au/Pb/Sb/Ca, Au/Ir, Au/Ru, Au/W, Au/Hf, or Au/Bi.
An electrochemical reactor for extracting a target metal or mineral from a metal or mineral containing solution, the electrochemical reactor comprising:
- a flow cell, the flow cell comprising a plurality of silicon electrodes comprising two or more anodes and two or more cathodes;
- and
- a voltage source configured to apply a voltage between the two or more anodes and the two or more cathodes,
- wherein the two or more cathodes and anodes form an array of alternating anodes and cathodes,
- wherein the metal or mineral containing solution is acidic,
- wherein the flow cell is configured to extract the target metal or mineral from the metal or mineral containing solution, and
- wherein the plurality of silicon electrodes are coated with a coating material comprising C/Ni, Cu/Pb/Sb, C/Pb/Sb/Ca, C/Ir, C/Ru, C/W, or C/Bi.
An electrochemical reactor for extracting a target metal or mineral from a metal or mineral containing solution, the electrochemical reactor comprising:
- a flow cell, the flow cell comprising a plurality of silicon electrodes comprising two or more anodes and two or more cathodes;
- and
- a voltage source configured to apply a voltage between the two or more anodes and the two or more cathodes,
- wherein the two or more cathodes and anodes form an array of alternating anodes and cathodes,
- wherein the metal or mineral containing solution is acidic,
- wherein the flow cell is configured to extract the target metal or mineral from the metal or mineral containing solution, and
- wherein the plurality of silicon electrodes are coated with a coating material comprising Hf/Pb, Hf/Sb, Hf/Ca, Hf/Ru, Hf/Rh, Ti/Hf, Ni/Hf, Co/Hf, Cu/Hf, Ag/Hf, Pt/Hf, Pd/Hf, or Ir/Hf.
Dependencies are inferred from the claim text.