NOVEL PHOSPHONIUM IMIDE COMPOUND, LITHIUM ION SCAVENGER AND LITHIUM ION RECOVERY METHOD

摘要

PROBLEM TO BE SOLVED: To provide a technique that efficiently and selectively recovers lithium from a lithium ion containing aqueous solution, in order to effectively utilize lithium resources.SOLUTION: The present invention provides a novel phosphonium imide compound represented by chemical formula (1) (where n=2 or 3).SELECTED DRAWING: None