Highly selective adsorption of Hg~(2+) by a polypyrrole-reduced graphene oxide composite

摘要

A facile chemical route to synthesize the polypyrrole-reduced graphene oxide composite showing a highly selective Hg~(2+) removal capacity is reported. The gram scale production, high adsorption capacity and recycling make this material practically useful for waste water treatment. Water pollution due to the highly toxic heavy metal mercury is a serious worldwide problem. Exposure to mercury leads to severe damage to brains, kidneys, lungs, and other organs.1 Mercury releases into environments through discharge from chemicals, electronic materials, batteries, and fossil fuel combustion.