Full Length Research Paper
Abstract
Five strains of bacteria; Pseudomonas fragi, Streptococcus zymogenes,Pseudomonas aeruginosa, Pseudomonas fluorescens and Bacillus macerans, capable of utilizing bitumen as source of carbon and energy were isolated from water sample obtained from bitumen producing area, Agbabu, Ondo state, Nigeria. The degradation of bitumen was found to be associated with the production of carbon (IV) oxide, natural gas and oil. As a result of using nitrogen limited and phosphate limited media, 1750 and 1250 cm3 of gas and 0.95 and 0.85 g/l of oil were obtained respectively. Nitrogen and phosphate limitation have profound effect on bitu-oil and gas production.
Key words: Bitumen, biodegradation, phosphate limited, nitrogen, bitu-oil.
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