Recovery of lithium from brines

US4116858A · kind A · utility

Assignee

• THE DOW CHEMICAL COMPANY · US

Inventors

• John M. Lee · Lake Jackson, US
• William C. Bauman · Lake Jackson, US

Key dates

• Filing date: Jul 5, 1977
• Grant date: Sep 26, 1978
• Expiry date: Jul 5, 1997

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01F7/78
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Lithium is preferentially extracted from brine containing Li salts along with salts of other metals, e.g. Na, Ca, Mg, K, and/or B, by contacting the brine with a particulate anion exchange resin having suspended therein a microcrystalline form of LiX.2Al(OH).sub.3, where X = halide.