Hilda Emmanuel-Akerele
a:1:{s:5:"en_US";s:23:"Anchor University Lagos";}

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MICROBIAL AND PHYSICO-CHEMICAL ASSESSMENT OF SOIL AND WATER AROUND WASTE DUMP SITES Hilda Emmanuel-Akerele; Favour Peter
International Journal of Applied Biology Vol. 5 No. (1) (2021): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v5i(1).13275

Abstract

In Nigeria, the reliance on sanitary landfills is a common phenomenon in the disposal of waste materials. The aim of the study was to ascertain the physicochemical and microbiological effect landfill has on its surrounding soil and water. Four water samples and five soil samples were collected each from Ile-Epo and Legacy dumpsites and the adjoining areas. Physicochemical parameters determined were temperature, pH, total dissolved solids (TDS), total hardness (TH), and electrical conductivity. Most of these parameters indicated pollution but were below the World Health Organization (WHO) limits for consumption in the water. Microbiological analysis was carried out using standard microbiological procedures. The mean bacteria count and fungal count for water and soil samples are 26.41 CFU/mL and 10.00 CFU/mL; and 26.30 and 14.50 (CFU/G) respectively. The antibiotic susceptibility pattern of the bacterial isolates against conventional antibiotics displayed varying degree of susceptibility and resistance; the bacterial contaminants were susceptible to Augmentin, Gentamycin and Chloramphenicol and resistant to Pefloxacin, Amoxacilin, Tarivid, Streptomycin, Sparfloxacin and Ciprofloxacin. The results obtained in this study showed that the leachate generated from the landfill site has a minimal impact on the groundwater and soil quality in the locality.
PHYSICO-CHEMICAL ANALYSIS OF POWER PLANT EFFLUENT DISCHARGE ON EKEMAZU STREAM IN DELTA STATE, NIGERIA. Hilda Emmanuel-Akerele
International Journal of Applied Biology Vol. 6 No. 1 (2022): International Journal of Applied Biology
Publisher : Hasanuddin University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20956/ijab.v6i1.18996

Abstract

Physicochemical analysis of Ekemazu stream in Delta State, Nigeria was carried out to assess the water quality between September 2014 and June 2015. Physicochemical parameters were analyzed according to standard methods for examination of water and wastewater. The turbidity of all the samples analysed across the seasons showed that the value was highest at the effluent discharge point at the peak of the flood season and least in the upstream at the setting – in of raining season in the following range: upstream; 12 ± 1 NTU to 25 ± 0 NTU, effluent discharge point; 121 ± 0 NTU to 423 ± 39 NTU, domestic activities point; 85 ± 2 NTU to 373 ± 40 NTU and in the downstream; 70 ± 0 NTU to 341 ± 44 NTU. All other parameters analyzed followed similar trend (highest in the effluent discharge point) either during the peak of flood season or peak of raining season and least in the upstream sample at other seasons. The statistical analysis of the difference in the physicochemical parameters of the upstream samples and the values obtained in effluent discharge point, domestic activities point and the downstream were all significant (P<0.05). This research clearly showed that some physicochemical parameters of the stream are higher than the WHO acceptable limit. This is due to the release of heavily polluted effluent into the stream, seasonal variations as well as some human activities in the water body resulting to high pollution of the stream.