METHOD OF PRODUCING METAL SCAVENGER INCLUDING OXIDIZED LIGNIN, METAL SCAVENGER INCLUDING OXIDIZED LIGNIN, METHOD OF REMOVING METAL IN AQUEOUS SOLUTION, AND METHOD OF ENHANCING METAL-SCAVENGING PERFORMANCE OF LIGNIN

摘要

PROBLEM TO BE SOLVED: To provide a method of producing a metal scavenger which can exhibit scavenging performance for various metals including light metal.SOLUTION: This invention provides a method of producing a metal scavenger including oxidized lignin, the method including the step of oxidizing lignin in the presence of oxidizing agent to obtain oxidized lignin.