Modified coal fly ash as a low-cost, efficient, green, and stable adsorbent for heavy metal removal from aqueous solution

S Sireesha, A Agarwal, KS Sopanrao… - Biomass Conversion …, 2022 - Springer
The treatment of an industrial effluent contaminated with a high concentration of Ni (II) and
Cu (II) was executed using naturally available biomasses. Low-cost adsorbents such as …