Prokaryotic Uptake of Zn Employing A Resistant Strain: Applications in Remediation of Industrial Residues

Abstract

The accumulation of zinc (Zn) in industrial residues has emerged as a significant environmental concern due to its persistence, toxicity at elevated concentrations, and tendency to disrupt ecological balance. Conventional treatment approaches for Zn removal, including physicochemical precipitation, membrane filtration, and adsorption-based systems, often suffer from high operational costs and secondary waste generation. In response, biological remediation strategies utilizing prokaryotic systems have gained increasing attention as sustainable alternatives.

This study investigates the mechanisms and efficiency of Zn uptake by a resistant prokaryotic strain and evaluates its applicability in the remediation of industrial residues. The research integrates microbial adaptation principles with physicochemical and material-based frameworks to understand Zn interaction dynamics. The methodological approach involves microbial resistance development, controlled uptake experiments, and mechanistic interpretation based on membrane transport and surface interaction theories.

Findings indicate that resistant prokaryotes exhibit significant Zn uptake capacity through combined processes of biosorption, membrane-associated binding, and intracellular accumulation. The efficiency of uptake is strongly influenced by environmental conditions and cellular structural modifications induced during adaptation. The role of membrane permeability and ion transport mechanisms aligns with theoretical models of electroporation-based transport phenomena reported in earlier biophysical studies (Neumann, 1982; Tsong, 1991).

Furthermore, the study draws parallels between microbial uptake mechanisms and engineered material systems used in waste processing, highlighting conceptual similarities in structural porosity and adsorption behavior (Mugoni et al., 2015; Zhou et al., 2017). These analogies provide a broader framework for understanding bio-based and material-based remediation systems.

The results confirm that prokaryotic Zn uptake represents a viable and scalable approach for industrial residue treatment. However, challenges related to process stability, environmental variability, and long-term microbial viability remain significant.

The study concludes that resistant microbial systems offer a promising pathway for sustainable Zn remediation, bridging biological mechanisms with industrial waste management applications.