A STUDY ON PHYSICOCHEMICAL PARAMETERS AND HEAVY METALS IN SHARADA INDUSTRIAL EFFLUENTS, KANO, NIGERIA
Keywords:Heavy metals, Effluents,, Assessment,
The major sources of pollutants in the environment are industries which are discharged at various levels either indirectly or directly. Hence, the study was aimed at determining the physicochemical parameters and some heavy metals concentration in effluents discharged from industries in Kano metropolis. Samples of effluents were collected in early morning hours from three different points and were subjected to physical, physicochemical, and heavy metals analysis. The effluent samples appeared with varying characteristics of objectionable odor and appearance. The values of temperature and pH fell within the acceptable limit of <40 set by FAO (1992). However, site C is slightly acidic. It could be said that the value of temperature in site C is within the safe limit while the sites A and B were above the severe hazard limit of FAO (1992). Only the value of site C was recorded as shown in Table 2 for TDS, the values of sites A and B were out of range due to the limitation of the TDS machine which is below 2000. The values of the three sites for Cd, Cr, and Pb have exceeded the standards of the WHO/FAO and FEPA. However, the values for concentrations of Pb were within the limit. The relatively higher concentration of these heavy metals has called for attention of all stakeholders. Regular monitoring, sanction, and more comprehensive research should be put in place for reducing the extent of such phenomena.
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