Browsing by Author "Odeyemi, Olu"

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    COMPARATIVE TREATMENT OF WELL AND STREAM WAGTER FOR DRINKING USING MORINGA OLEIFERA SEEDS, ALUM, SAND FILTER BEDS AND SOLAR RADIATION
    (Crosshouse books, 2011) Benjamin, MOSES Ikechukwu; Babatunde, Awopetu; Odeyemi, Olu
    Objectives The objective of this research work was to compare the coagulating power of Moringa oleifera seeds with that of alum. Raw water samples were collected from various wells and streams in Modakeke area, Ile-Ife, Osun state, Nigeria. Results show that Moringa oleifera seed is a better coagulating agent than alum because it had an average coagulating power of 85.3% while that of alum was 78.3%. The filter bed had 85.7% reduction in microbial load for Moringa oleifera treated water while there was 79.1% reduction in microbial load for alum treated water. Also, the effectiveness of solar disinfection for the Moringa oleifera treated clear filtrate was 98.1% while that of alum treated water was 91.5%. Hence, Moringa oleifera, sand filtration and solar energy are good alternatives for water treatment especially in rural areas that can’t afford sophisticated water treatment plant or chemicals.
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    COMPARATIVE TREATMENT OF WELL AND STREAM WAGTER FOR DRINKING USING MORINGA OLEIFERA SEEDS, ALUM, SAND FILTER BEDS AND SOLAR RADIATION
    (International Journal of Tropical Medicine and Public Health, 2016-12-16) Ikechukwu Benjamin, MOSES; Babatunde, Awopetu; Odeyemi, Olu
    Objectives The objective of this research work was to compare the coagulating power of Moringa oleifera seeds with that of alum. Raw water samples were collected from various wells and streams in Modakeke area, Ile-Ife, Osun state, Nigeria. Results show that Moringa oleifera seed is a better coagulating agent than alum because it had an average coagulating power of 85.3% while that of alum was 78.3%. The filter bed had 85.7% reduction in microbial load for Moringa oleifera treated water while there was 79.1% reduction in microbial load for alum treated water. Also, the effectiveness of solar disinfection for the Moringa oleifera treated clear filtrate was 98.1% while that of alum treated water was 91.5%. Hence, Moringa oleifera, sand filtration and solar energy are good alternatives for water treatment especially in rural areas that can’t afford sophisticated water treatment plant or chemicals.
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    EFFICACY OF SAND FILTRATION, Moringa oleifera SEED AND ALUM TREATMENT IN REDUCTION OF COLIFORMS AND TOTAL BACTERIA IN STABILIZATION POND EFFLUENT
    (International Journal of Tropical Medicine and Public Health, 2016-01-14) Babatunde A, Awopetu; Ikechuwkwu, Moses; Odeyemi, Olu
    Objectives A slow sand filter was designed and constructed with decreasing sizes of sand layers. Granulations were made out of the seeds of Moringa oleifera. Their turbidity clarification, coliform and total bacteria reduction were tested. Their abilities to reduce the densities of Salmonella typhi, Bacillus cereus, Shigella dysenteriae, Escherichia coli in waste water were also tested. Coliform number reduction was 78% by sand filtration, 78% alum treatment and 98% by M. oleifera ground seed treatment. The sand filter reduced total bacteria population by 4%, alum and M. oleifera treatments by 33% and 84% respectively. There was a 12% reduction in Shigella dysenteriae numbers by the slow sand filter, 57% reduction by alum and 76% reduction Moringa oleifera treatment. Sand filtration reduced Salmonella typhi population by 29%, alum and Moringa oleifera treatments did so by 43% and 71% respectively. Escherichia coli numbers were reduced by 10% by sand filtration, 27% by alum treatment and 56% by M. oleifera treatment. Bacillus cereus population was reduced by 9% by both sand filtration and alum treatment while Moringa oleifera application gave a 32% reduction. M. oleifera ground seed treatment was the best at coliform population reduction (98% reduction) of the three treatments. Sand filtration and alum treatment were found to be equal in coliform reduction rate since they both reduced coliform numbers by 78%. M. oleifera treatment was the most efficient in total bacteria population reduction, with an 84% reduction rate. Slow sand filtration was most effective on S. typhi (29% reduction) of the four organisms teste
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    EFFICACY OF SAND FILTRATION, Moringa oleifera SEED AND ALUM TREATMENT IN REDUCTION OF COLIFORMS AND TOTAL BACTERIA IN STABILIZATION POND EFFLUENT
    (Department of Microbiology, Obafemi Awolowo University, Ile- Ife, Osun State, Nigeria, 2016-12-29) Babatunde A, Awopetu; Ikechuwkw, Moses; Odeyemi, Olu
    Objectives A slow sand filter was designed and constructed with decreasing sizes of sand layers. Granulations were made out of the seeds of Moringa oleifera. Their turbidity clarification, coliform and total bacteria reduction were tested. Their abilities to reduce the densities of Salmonella typhi, Bacillus cereus, Shigella dysenteriae, Escherichia coli in waste water were also tested. Coliform number reduction was 78% by sand filtration, 78% alum treatment and 98% by M. oleifera ground seed treatment. The sand filter reduced total bacteria population by 4%, alum and M. oleifera treatments by 33% and 84% respectively. There was a 12% reduction in Shigella dysenteriae numbers by the slow sand filter, 57% reduction by alum and 76% reduction Moringa oleifera treatment. Sand filtration reduced Salmonella typhi population by 29%, alum and Moringa oleifera treatments did so by 43% and 71% respectively. Escherichia coli numbers were reduced by 10% by sand filtration, 27% by alum treatment and 56% by M. oleifera treatment. Bacillus cereus population was reduced by 9% by both sand filtration and alum treatment while Moringa oleifera application gave a 32% reduction. M. oleifera ground seed treatment was the best at coliform population reduction (98% reduction) of the three treatments. Sand filtration and alum treatment were found to be equal in coliform reduction rate since they both reduced coliform numbers by 78%. M. oleifera treatment was the most efficient in total bacteria population reduction, with an 84% reduction rate. Slow sand filtration was most effective on S. typhi (29% reduction) of the four organisms tested
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    Field Assessment of Some Local Cowpea Rhizobium Inoculants.
    (Obafemi Awolowo University, 1986) Oloke, Julius Kola; Odeyemi, Olu
    The effectiveness of lignite, sub-bituminous, cow manure and peat as rhizobia carriers and inoculants were assessed in a field plot. The inoculants prepared by incorporating each of three rhizobia strains (IFE CR9, IFE CR15 and R. japonicum) into each of the carrier materials were used to inoculate three cowpea varieties viz. TVU 1190, IT82E-60 and Ife brown. When lignite bearing IFE CR9 was used to inoculate TVU 1190 plants, the nitrogen content of the plants was found to be 178.12mg/plant whereas that of the uninoculated nitrate free plants was 64.07mg/plant. As a result of using lignite, sub-bituminous, peat, and cowdung as carriers for the rhizobia strains, the increases in the grain yield of the inoculated cowpea plants were 72.2%, 51.9%, 25.5% and 10.1% respectively when compared with the uninoculated ones. IFE CR9 (which is a native Rhizobium) seems to be better adapted to tropical conditions than the imported R. japonicum. When Ife brown cowpea plants were inoculated with IFE CR9 incorporated into lignite, the nitrogen content of the plants was 149.00mg/plant whereas the nitrogen content of the same plants inoculated with R. japonicum in lignite was 132.61mg/plant. TVU 1190 cowpea variety responds better to inoculation than the two other varieties. For example when TVU 1190, Ife brown and IT82E 60 were inoculated, the increases in dry weight of the plants over the uninoculated ones were 125.1%, 116% and 93.3% respectively.
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    Microbes: Unseen Agents of Economic Development
    (Obafemi Awolowo University Press, 2008-07-08) Odeyemi, Olu
    This inaugural lecture is entitled "Microbes: Unseen agents of economic development" in order to focus our attention on the beneficial microorganisms and the economic power of microbes that have now transformed the small and virtually unseen bugs into big businesses.
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    Microbes: Unseen Agents of Economic Development
    (Obafemi Awolowo University Press Limited, 2008-07-08) Odeyemi, Olu
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    Pollution Pattern in the Mokuro Dam in Ile-Ife
    (Obafemi Awolowo University, 1984) Petters, Hannah Itam; Odeyemi, Olu
    Bacteriological and physical-chemical analyses of the Mokuro Jam (in Ile-Ife) an its distribution system were carried out from December 1982 to November 1983 at monthly intervals, and the quality of water was assessed to establish the pollution pattern. Generally, the population density of aerobic heterotrophic bacteria varied between wet and dry seasons., While thorn was an increase in the mean monthly population of bacteria from 4.2 x 102/ml in November to 4.8 x 106/ml in February (i.e. dry season) there was a comparative decrease from 11.0 x 106/ml in June to 1.8 x 103/ml in October (i.e. rainy season), in the distribution system In the stream and in the dam, the seasonal trends of total aerobic bacterial distribution followed more or less the same pattern as in the distribution system. In the dam, the faecal coliform populations ranged from zero to 33 MPN/100 ml during the rainy season and from 2 to 221 MPN/100ml in the dry season. The same pattern was observed in the distribution system. Both faecal streptococci and Clostridium perfringens were also detected in the water samples with no definite pattern of population distribution between the seasons. The mean monthly faecal streptococci ranged from zero to 2.8 x 10 4/mt, while Clostridium perfringens ranged from zero to 538 MPN/100ml. Nitrate, phosphate, chloride and dissolved solid levels were generally low. These compounds ranged from zero to 1.16 mg/l; from zero to 0.038 mg/I, from 3.6 to 54 mg /l, and from 0.0001 to 0.058 g/100ml, respectively. The BOD varied with a range of 1.0 to 12.6mg /l in the dam. In the distribution system, the chlorine residual was generally below 1mg/l, decreasing with distance away from the chlorination point.