Assessment of the Concentration of Metals in a Sewage Treatment Pond of the Ahmadu Bello University Zaria, Nigeria

  • DS Abolud
  • Z Barak
  • Y Tanimu
  • MS Bingari
  • OO Opabunmi
  • DC Okafor

Abstract

Metal concentration of the water in the sewage treatment pond of the Ahmadu Bello University Zaria, Nigeria, was studied between April and September 2007 using Energy Dispersive X-Ray Fluorescence (ED-XRF) Analysis. The mean concentrations of ten (10) heavy metals observed during the study were as follows: Vanadium 0.75±0.07 mg/L; Chromium 0.69±0.04 mg/L; Manganese 0.61±0.06 mg/L; Iron 0.40±0.03 mg/L; Cobalt 0.31±0.02 mg/L; Nickel 0.25±0.02 mg/L; Copper 0.25±0.02 mg/L; Zinc 0.31±0.08 mg/L; Arsenic 0.24±0.02 mg/L and Lead 0.31±0.08 mg/L. Metal indices of between 67.32 and 93.72 were observed during the study period. Metals like Lead, Arsenic, Nickel, Iron, Manganese and Chromium showed concentrations above Nigerian Industrial Standard (NIS) and World Health Organisation (WHO) maximum admissible limit for drinking water while metals like Zinc and Copper showed concentrations below the NIS (2007) and WHO (2008) maximum admissible limit for drinking water. Vanadium and Cobalt had no values for comparison.

Keywords: Evaluation, metals, sewage pond, level, Zaria.

Journal of Aquatic Sciences 28 (1): 25-35 (2013)

Author Biographies

DS Abolud
Department of Biological Sciences, Ahmadu Bello University Zaria, Nigeria
Z Barak
Department of Biological Sciences, Ahmadu Bello University Zaria, Nigeria
Y Tanimu
Department of Biological Sciences, Ahmadu Bello University Zaria, Nigeria
MS Bingari
Department of Biological Sciences, Ahmadu Bello University Zaria, Nigeria
OO Opabunmi
Department of Biological Sciences, Ahmadu Bello University Zaria, Nigeria
DC Okafor
Department of Food Science and Technology, Federal University of Technology, Owerri, Nigeria
Published
2013-06-28
Section
Articles

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eISSN: 0189-8779