Porous activated alumina based sorbent for lithium extraction
AssigneeAll American Lithium LLC
InventorsStephen Harrison, C. V. Krishnamohan Sharma, M. Scott Conley
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Abstract
This invention relates to a method for preparing a lithium activated alumina intercalate solid by contacting a three-dimensional activated alumina with a lithium salt under conditions sufficient to infuse lithium salts into activated alumina for the selective extraction and recovery of lithium from lithium containing solutions, including brines.
Claims10
A sorbent composition for the recovery of lithium from a lithium containing solution, the sorbent composition comprising:
- a particulate material containing an activated alumina lithium intercalate composition comprising a three-dimensionally structured activated alumina comprising a plurality of pores and a lithium salt present within the plurality of pores,
- wherein the three-dimensionally structured activated alumina includes one or more of α-Al2O3, β-Al2O3, γ-Al2O3, θ-Al2O3, χ-Al2O3, κ-Al2O3, ε-Al2O3, δ-Al2O3, AlO(OH), pseudoboehmite, or a combination thereof.
A sorbent composition for the recovery of lithium from a lithium containing solution, the sorbent composition comprising:
- a particulate material containing an activated alumina lithium intercalate composition comprising a lithium salt and an activated alumina selected from the group consisting of α-Al2O3, β-Al2O3, γ-Al2O3, θ-Al2O3, χ-Al2O3, κ-Al2O3, ε-Al2O3, δ-Al2O3, AlO(OH), pseudoboehmite, or a combination thereof.
Dependencies are inferred from the claim text.