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The purpose of this study is to investigate the use of maize cob carbon powder as an adsorbent for the removal of zinc (II) and chromium (VI) ions from industrial effluent. The non-degradable and toxic nature of these metal ions make their removal from wastewater crucial prior to discharge into the environment. Despite the many techniques that have been developed for the removal of heavy metals, many have proven to be inefficient, generate sludge, and are expensive. Adsorption processes have been shown to be one of the most efficient methods for the removal of toxic metal ions from contaminated water. Activated carbon is commonly used for this purpose but is expensive. Considering this, the search for more economical and safe options has led to the investigation of low-cost adsorbents as alternatives to activated carbon. In this study, maize cob carbon powder was chosen as the adsorbent due to its low cost, non-toxicity, and availability. A batch experimental approach was utilized to investigate the effects of temperature, pH, adsorbent loading, contact time, and initial metal ion concentration on the adsorption process. The results of the study indicate that maize cob carbon powder can be effectively used as an economical adsorbent for the treatment of contaminated water.

No abstract

The purpose of this study is to investigate the use of maize cob carbon powder as an adsorbent for the removal of zinc (II) and chromium (VI) ions from industrial e uent. The non-degradable and toxic nature of these metal ions make their removal from wastewater crucial prior to discharge into the environment.Despite the many techniques that have been developed for the removal of heavy metals, many have proven to be ine cient, generate sludge, and are expensive. Adsorption processes have been shown to be one of the most e cient methods for the removal of toxic metal ions from contaminated water. Activated carbon is commonly used for this purpose but is expensive. Considering this, the search for more economical and safe options has led to the investigation of low-cost adsorbents as alternatives to activated carbon. In this study, maize cob carbon powder was chosen as the adsorbent due to its low cost, non-toxicity, and availability. A batch experimental approach was utilized to investigate the effects of temperature, pH, adsorbent loading, contact time, and initial metal ion concentration on the adsorption process. The results of the study indicate that maize cob carbon powder can be effectively used as an economical adsorbent for the treatment of contaminated water.