BIOREMEDIATION OF EFFLUENT FROM KADUNA REFINERY AND PETROCHEMICAL COMPANY USING CLADOSPORIUM SPECIES

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dc.contributor.authorKWAJI, Magdaline Joseph
dc.date.accessioned2018-09-05T11:37:26Z
dc.date.available2018-09-05T11:37:26Z
dc.date.issued2017-04
dc.descriptionA THESIS SUBMITTED TO THE SCHOOL OF POSTGRADUATE STUDIES, AHMADU BELLO UNIVERSITY, ZARIAIN PARTIAL FULFILLMENT OF THE REQUIREMENTS FOR THE AWARD OF MASTER DEGREE IN MICROBIOLOGY DEPARTMENT OF MICROBIOLOGY FACULTY OF LIFE SCIENCES AHMADU BELLO UNIVERSITY, ZARIA, NIGERIAen_US
dc.description.abstractThis study investigated the potential bioremediation ability of Cladosporium species in hydrocarbon contaminated wastewater. Hydrocarbon contaminated wastewater samples were collected from the wastewater reservoir of the Kaduna Refinery and Petrochemical Company, Kaduna and the concentrations of the heavy metals, total hydrocarbon and physicochemical parameters of the samples were determined. Some of the physicochemical parameters of the hydrocarbon contaminated water such as Electrical conductivity (15.74-25.70μS/cm), TDS (8.00-8.50 mg/l), dissolved oxygen (0.60-0.75 mg/l) and BOD (0.20-0.52 mg/l) were lower than their respective WHO (2011) permissible limits while Ammonium nitrates (0.12-0.8 mg/l),Turbidity (2.63-10.30 NTU) and pH (7.40-12.00) were higher before bioremediation. The concentration of Zinc (1.97-2.86mg/l) and Copper (0.35-1.49 mg /l) were within their respective WHO (2011) acceptable limits while Manganese (0.65-2.0 mg/l), Cadmium (0.38-0.56mg/l) and Lead (14.42-15.09mg/l) exceeded the acceptable standards before bioremediation. Nickel was not detected in all the sampling points. The highest total hydrocarbon concentration observed before bioremediation was 1.87mg/l. Cladosporium species was isolated from the study area, identified and characterized on the basis of their macroscopic and microscopic morphologies using standard taxonomic guides. The Cladosporiumisolate was used in the bioremediation of the samples.The concentrations of some physicochemical parameters such as Electrical conductivity (25.70 -14.95 μS/cm), TDS (8.50-0.03 mg/l), D.O (0.75-0.30 mg/l) and pH (12.00-6.90)decreased after bioremediation withCladosporium species. A decrease was also observed in the concentration of some heavy metals such as Zinc (2.86-0 mg/l), Cadmium (0.56-0 mg/l), and Copper (1.49-0 mg/l) after bioremediation. The total hydrocarbon concentrationdecreased for both the sterilized (1.874-0.450 mg/l) and non-sterilized samples(1.874-0.703 mg/l) after bioremediation.However, the concentrations of Lead (14.19-33.98 mg/l) and Manganese (0.65-2.86 mg/l) increased after bioremediation.This study shows that Cladosporiumsphas potential for bioremediation of hydrocarbon contaminated wastewateren_US
dc.identifier.urihttp://hdl.handle.net/123456789/10252
dc.language.isoenen_US
dc.subjectBIOREMEDIATION,en_US
dc.subjectEFFLUENT,en_US
dc.subjectKADUNA REFINERY,en_US
dc.subjectPETROCHEMICAL COMPANY,en_US
dc.subjectCLADOSPORIUM SPECIESen_US
dc.titleBIOREMEDIATION OF EFFLUENT FROM KADUNA REFINERY AND PETROCHEMICAL COMPANY USING CLADOSPORIUM SPECIESen_US
dc.typeThesisen_US
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