A Study of Certain Physical, Chemical, and Biological Properties of Treated Water at the Wastewater Treatment Plant of the Libyan Iron and Steel Company – Misrata

Authors

  • Ahmed Abdelnour Kindi Department of Civil Engineering, Institute of Engineering Techniques, Zliten, Libya Author
  • Atiya Njea Abdulsslam Njea Department of Civil Engineering, Alasmarya Islamic University, Zliten, Libya Author
  • Nasser Mohammed Diab Department of Civil Engineering, Institute of Engineering Techniques, Zliten, Libya Author

Keywords:

Treatment plant, Wastewater, Electrical Conductivity, Ammonia, Coliform Bacteria

Abstract

This study was conducted to characterize the physical, chemical, and biological properties of the treated effluent from the wastewater treatment plant at the Libyan Iron and Steel Company (Misrata) between March 1, 2022, and March 1, 2023. It aimed to assess the suitability of the treated water for various uses by performing periodic tests and analyses, and by comparing the results against local and international standards as well as the plant's design specifications. Several physical, chemical, and biological properties were assessed, namely: temperature (t), total suspended solids (TSS), total dissolved solids (TDS), electrical conductivity (EC), turbidity (TU), pH, biochemical oxygen demand (BOD), chemical oxygen demand (COD), nitrate (NO3), nitrite (NO2), ammonia (NH3), total hardness (TH), chloride (Cl⁻), and total coliform bacteria and *E. coli*. The mean concentrations obtained were compared against local and international standards as well as the plant's design specifications. The results for t, TSS, TU, pH, NO3, NO2, BOD, and COD fell within permissible limits or slightly exceeded them; however, the mean concentrations for TDS, EC, NH3, total coliform bacteria, and *E. coli* significantly exceeded the permissible limits.

Downloads

Published

2026-08-14

Issue

Volume 4, Issue 3, 2026

Section

Applied Sciences Theme

License

Creative Commons License

This work is licensed under a Creative Commons Attribution 4.0 International License.

How to Cite

Ahmed Abdelnour Kindi, Atiya Njea Abdulsslam Njea, & Nasser Mohammed Diab. (2026). A Study of Certain Physical, Chemical, and Biological Properties of Treated Water at the Wastewater Treatment Plant of the Libyan Iron and Steel Company – Misrata. Afro-Asian Journal of Scientific Research (AAJSR), 4(3), 156-168. https://aajsr.com/index.php/aajsr/article/view/984