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Wyszukujesz frazę "Adeleye, S.A." wg kryterium: Autor

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    Wyświetlanie 1-5 z 5
    Tytuł:
    Effects of gas flaring on the physicochemical and microbiological quality of water sources in Egbema, Imo State, Nigeria
    Autorzy:
    Braide, W.
    Nwachukwu, J.
    Adeleye, S.A.
    Egbadon, E.O.
    Powiązania:
    https://bibliotekanauki.pl/articles/11596.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    This study evaluated the effects of gas flaring on the physico-chemical and microbiological characteristics of water sources at Egbema, Imo State, Nigeria. Surface and ground water samples from the area were compared with samples from Ihiagwa Autonomous Community in Owerri West, a non-gas flared community. Both water sources were then compared with WHO standards for drinking water. The results revealed that water sources from the gas flared area have high levels of temperature, total chlorine, nitrate, nitrites, sulphates, calcium, and zinc, chromium with a very acidic pH when compared with water from non-gas flared sources. Also, microbial load increased the farther the distance from the flare site. The human health imparts of the presence of heavy metals and microorganisms in drinking water had been reported. In conclusion, gas flaring can pollute water sources within oil and gas facilities, thereby making them unsuitable for human consumption. Oil and gas industries should therefore treat water within their areas of operations before discharged into water bodies in addition to other remediation measures as part of their social responsibility.
    Źródło:
    International Letters of Natural Sciences; 2016, 56
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Phytochemistry and antimicrobial property of fruits of Chrysophyllum albidum against selected clinical isolates
    Autorzy:
    Adeleye, S.A.
    Orji, C.C.
    Braide, W.
    Akaluka, C.K.
    Powiązania:
    https://bibliotekanauki.pl/articles/10821.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    The antimicrobial activity of methanolic and aqueous extracts of Chrysophyllum albidum fruits was investigated against clinical isolates(Staphylococcus aureus, Escherichia coli, Klebsiella pneumonia and Candida albicans). Qualitative phytochemistry of the plant indicated that the plant contained Flavonoids, Steroids, Alkaloids, Tannin, Anthraquinone and Cardiac glycosides while Saponins were reported absent. The maximum activity of the aqueous extracts in the test isolates was observed on Staphylococcus aureus, which showed clear zones with diameters of 24.0mm, 20.0mm and 16.5mm at concentrations of 100mg/ml, 50mg/ml and 25mg/ml respectively while it had low activity on Klebsiella pneumonia, with clear zones of inhibition of 15.0mm, 12.0mm and 10.5mm at same concentrations. On the other hand, Methanolic extracts activity on Staphylococcus aureus produced clear zones of 21.0mm, 17.5mm and 12.0mm at concentrations of 200mg/ml, 100mg/ml and 50mg/ml respectively as its best activity while the it had least observed activity on Klebsiella pneumonia with clear zones of 14.0mm, 11.5mm and 10.5mm at same concentrations. The aqueous extracts had greater activity than the methanolic extracts at same concentrations. Therefore, the fruit of the plant can be a good source of remedy in phytomedicine.
    Źródło:
    International Letters of Natural Sciences; 2016, 55
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Abattoir wastewater treatment and energy recovery using a ferricyanide-catholyte microbial fuel cell.
    Autorzy:
    Akaluka, C.K.
    Orji, J.C.
    Braide, W.
    Egbadon, E.O.
    Adeleye, S.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11752.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    The capacity of Microbial fuel cells (MFCs) to produce voltage and concurrently treat abattoir waste water was investigated in MFCs that used 0.1M potassium ferricyanide (K3[Fe(CN)6] as catholytes. Physicochemical, electrochemical and Microbiological properties of the MFCs were monitored. The open circuit voltage (OCV) readings were taken at 3 hours interval and maximum OCV of 965mV was recorded. Also, The physicochemical characteristics of the MFCs revealed that the pH decreased by 0.2 after treatment; Chemical Oxygen demand, biochemical oxygen demand, total suspended solids, ammonia, and total nitrogen reduced by 88.4%, 65.56%, 43.88%, 60% and 60% respectively. However, Phosphate increased by 54%. The bacterial isolates from the raw abattoir wastewater were Staphylococcus aureus, Bacillus cereus, Bacillus subtilis, Enterococcus faecalis, Enterobacter aerogenes, Escherichia coli and Micrococcus luteus while Enterococcus faecalis, Bacillus cereus and Escherichia coli were isolated from the biofilms on the anode. Microbial fuel cells therefore have capacities for simultaneous waste water treatment and electricity generation.
    Źródło:
    International Letters of Natural Sciences; 2016, 55
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Simultaneous generation of bioelectricity and treatment of swine wastewater in a microbial fuel cell
    Autorzy:
    Egbadon, E.O.
    Akujobi, C.O.
    Nweke, C.O.
    Braide, W.
    Akaluka, C.K.
    Adeleye, S.A.
    Powiązania:
    https://bibliotekanauki.pl/articles/11533.pdf
    Data publikacji:
    2016
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Opis:
    This study aimed at the simultaneous treatment of wastewater obtained from swine and generation of bioenergy in form of electricity from the energy stored in the organic component of the wastewater. The Open circuit voltage, current, power density and microbiological and physicochemical parameters were monitored. An initial Open circuit voltage of 516mV, Current of 0.29mA, and Power density of 32.74mW/m2 were recorded, which increased to give maximum Open Circuit Voltages of 836mV, Current of 0.49mA, and Power density of 88.45mW/m2. The results revealed that The Chemical Oxygen Demand (COD), Biochemical Oxygen Demand (BOD), Organic carbon, Total Soluble solids (TSS), Ammonia, Ammonium and Ammonium-Nitrogen all showed percentage decrease of 85.92%, 51.74%, 78.16%, 98.87%, 55.87%, 55.79% and 55.90% respectively while parameters such as Total Dissolved Solids (TDS), Nitrate, Nitrate-Nitrogen, Phosphates, Phosphorus and Orthophosphates however increased after treatment to give a percentage increase of -273.60%, -131.65%, -134.85%, -168.77%, -159.26%, and -157.03% respectively. Bacteria isolates identified at the biofilms on the anode were Corynebacterium specie, Bacillus specie, Staphylococcus aureus, Escherichia coli, Pseudomonas aeruginosa and Streptococcus faecalis. The results from this study further exacerbate the Bioelectricity production as well as wastewater treatment potentials of the Microbial Fuel Cell technology.
    Źródło:
    International Letters of Natural Sciences; 2016, 54
    2300-9675
    Pojawia się w:
    International Letters of Natural Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    On the Efficiency of Differential Transformation Method to the Solutions of Large Amplitude Nonlinear Oscillation Systems
    Autorzy:
    Sobamowo, M. G.
    Yinusa, A. A.
    Adeleye, O. A.
    Alozie, S. I.
    Salawu, S. A.
    Salami, M. O.
    Powiązania:
    https://bibliotekanauki.pl/articles/1031949.pdf
    Data publikacji:
    2020
    Wydawca:
    Przedsiębiorstwo Wydawnictw Naukowych Darwin / Scientific Publishing House DARWIN
    Tematy:
    Analytical solution
    Differential transformation method
    Large amplitude
    Oscillation system
    Strong nonlinearity
    Opis:
    In this work, the efficiency of differential transformation method to the solutions of large amplitude nonlinear oscillatory systems is further established. Two cases of oscillation systems, nonlinear plane pendulum and pendulum in a rotating plane are considered. Without any linearization, discretization or series expansion of the sine and cosine of the angular displacement in the nonlinear models of the systems, the differential transformation method with Padé approximant is used to provide analytical solutions to the nonlinear problems. Also, the increased predictive power and the high level of accuracy of the differential transformation method over the previous methods are presented. The extreme accuracy and validity of the analytical solutions obtained by the differential transformation method are shown through comparison of the results of the solution with the corresponding numerical solutions obtained by fourth-fifth-order Runge-Kutta method. Also, with the aid of the analytical solutions, parametric studies were carried to study the impacts of the model parameters on the dynamic behavior of the large-amplitude nonlinear oscillation system. The method avoids any numerical complexity and it is very simple, suitable and useful as a mathematical tool for dealing the nonlinear problems.
    Źródło:
    World Scientific News; 2020, 139, 1; 1-60
    2392-2192
    Pojawia się w:
    World Scientific News
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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