Abstract
Toxic metals have received a paramount consideration to environmental chemists due to their toxic nature, they are toxic pollutants that may possibly cause a variety of illness and disorders when entering the living tissue. Aim: This work investigates the adsorption capacity of biosorbent developed from Powder o Bambara Ground nut (PBG) and Soursop Seed (SSSP) powder. The adsorbents were useful in eliminating toxic metal ions; cadmium, chromium, cobalt, copper, iron, lead, manganese, lead, and thallium from aqueous solution. The study also examined the removal efficiency of PBG and SSSP. Method and Materials: Constant mass of 0.2 gram of both PBG and SSSP were added in a volume of 50 mL of ultra-pure water, the samples were then analysed using Inductive Couple Plasma Optical Emission Spectrometer (ICP-OES). Conclusion: The adsorption percentage for BGS reached 100% for Cd2+, Tl2+ and Pb2+, 94% for Cu2+, 81% for Zn2+, 68% for Co2+, 64% for Mn2+, 46% for Fe2+ and 07% for In2+, the results revealed that the metal ions were removed in the following order (Cd2+, Tl2+ and Pb2+)> Cu2+ > Zn 2+ > Co2+ > Mn2+ > Fe2+ > In2+ whereas for SSSP was 100% for Cd2+; Cu2+; Tl2+ and Pb2+; 83% for Zn 2+; 62% for Co2+; 49% for Fe2+; 21% for In2+; and 0% for Mn2+ with an order of (Cd2+= Cu2+ = Tl2+ = Pb2+)> Zn 2+ > Co2+ > Fe2+ > In2+ > Mn2+.
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