Journal of Chemistry / 2017 / Article / Tab 2

Research Article

Lignitic Humic Acids as Environmentally-Friendly Adsorbent for Heavy Metals

Table 2

Average adsorption efficiencies for single Cu2+ ions and Cd2+, Cu2+, Pb2+, and Zn2+ ions adsorbed from their mixture.

Cu2+ (single)Cd2+Cu2+Pb2+Zn2+

99.9%90.3%94.4%92.8%92.0%