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Article Abstract
Cassava cyanide effluent arising from cassava processing contaminate soil, leading to increased concentration of cyanide in soil and water, posing a risk to plant, aquatic life, and human health. Hence, the aim of this study is to investigate the impact of abattoir sludge on cyanide concentration of cassava effluent and soils receiving cassava effluent. In this study, soil samples were carried out following standard protocol. The concentration of nutrients after treatment revealed increase in nutrients level in 28 days of treatment as the weight of sludge dosage rises from 0 to 30%. However, as the remediation period progresses from 28 to 56 days, nutrients level of effluent and soil begins to drop, though nutrients level after the treatment period falls within the permissible range of habitat and agricultural soil after remediation period. The level of cyanide after treatment revealed a drop in concentration of effluent/soil as the dosage of sludge rises. In the same vein, concentration of effluent/soil cyanide also drop as the period of incubation increases from 28 to 56 days. The decrease in the level of cyanide is more pronounced in the 42nd and 56th days of treatment. The level of cyanide after the treatment is within the recommended range of soil used for habitat and agricultural soil. Therefore, abattoir sludge shows a promising greener biomass of choice for soil revitalizations and remediation of cyanide.
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