EUSpace Collection:
http://repository.elizadeuniversity.edu.ng/jspui/handle/20.500.12398/11
2023-09-04T19:54:49ZModelling of synthesis of waste cooking oil methyl esters by artificial neural network and response surface methodology
http://repository.elizadeuniversity.edu.ng/jspui/handle/20.500.12398/1396
Title: Modelling of synthesis of waste cooking oil methyl esters by artificial neural network and response surface methodology
Authors: Soji-Adekunle, Ayowumi R.; Asere, Abraham A.; Ishola, Niyi B.; Oloko- Oba, Idris M.; Betiku, Eriola
Abstract: This present study was carried out to investigate the application of artificial neural network (ANN) and
response surface methodology (RSM) as modelling tools for predicting the waste cooking oil methyl esters
(WCOME) yield obtained from alkali-catalysed methanolysis of waste cooking oil (WCO). The impact of process
parameters involved was studied by a central composite rotatable design. A comparison of the two
developed models for the methanolysis process was carried out based on pertinent statistical parameters.
The calculated values of coefficient of determination (R2) of 0.9950 and the average absolute deviation
(AAD) of 0.4930 for the ANN model compared with R2 of 0.9843 and AAD of 0.9376 for the RSM model
demonstrated that the ANN model was more accurate than the RSM model. The actual maximum WCOME
yield of 94 wt% was obtained at a reaction temperature of 55°C, a catalyst amount of 1 w/v, a reaction time
of 70 min and a methanol-to-oil ratio of 6:1.
Description: Staff Publication2018-01-01T00:00:00ZEmission and Combustion Characteristics of Lafia-Obi Coal in Fluidized Bed Combustor
http://repository.elizadeuniversity.edu.ng/jspui/handle/20.500.12398/1395
Title: Emission and Combustion Characteristics of Lafia-Obi Coal in Fluidized Bed Combustor
Authors: Popoola, Olubunmi Tolulope; Asere, Abraham A.
Abstract: The technology of fluidized bed coal combustion (FBC) and its advantages over
conventional coal burning systems is now well established and is extensively reported in the
literature. There is also some emphasis in literature about the suitability of Lafia-Obi coal in FBC.
However, there is little quantitative or qualitative information on theperformance of Lafia-Obi in
FBC. This paper reports a study of the combustion of monosized coal fractions fed continuously to
the bed via an overbed feeder. Using appropriate ASTM standards, proximate and ultimate analyses
of samples of Lafia-Obi coal were carried out and the coal was then combusted in a fluidized bed.
Results showed that Lafia-Obi coal has low moisture, high volatile matter and very high fixed
carbon content. The volatile matter content places Lafia-Obi in the medium volatile bituminous
rank. The data obtained is useful in application of fluidized bed combustion for energy production
using Lafia-Obi Coal
Description: Staff Publications2013-01-01T00:00:00ZComparison of the Elemental Structure and Emission Characteristics of Selected PVC and Non PVC Ceiling Materials Available in Nigerian Markets
http://repository.elizadeuniversity.edu.ng/jspui/handle/20.500.12398/1394
Title: Comparison of the Elemental Structure and Emission Characteristics of Selected PVC and Non PVC Ceiling Materials Available in Nigerian Markets
Authors: Dirisu, J.O; Asere, A.A.; et, al
Abstract: The recurring fire outbreak in buildings in Nigeria is quite alarming, just as the shift to the use of PVC as a choice for ceiling material due to its aesthetic appearance is on the increase. Hence this study determined the emission characteristics PVC and non-PVC samples. This was done with a view to establishing their suitability as ceiling materials in building designs for tropical countries and providing thermal and combustion data for building stakeholders that could help to checkmate man made fire disasters. This experiment involves the burning of a consistent mass, 50g of 6 samples of 3 PVC and 3 non-PVC in an open furnace where the combustion is carefully controlled. It investigates the flue gasses concentration emitted in the cause of fire outbreak and its effect on occupants. It responds to the question in mind that not only visible flame kills but also toxicity from flue gas can be detrimental to health of victims. The results showed that PVC samples are unwelcome in terms of their emission characteristics which were due to their elemental makeup of their composites such as PVC recorded highest Carbon composition of 77.9% and lowest oxygen composition of 18.0 %. VOCs are cancerous, cause dizziness, rapid heartbeat, vomiting and eventual death. Benzene, a known VOC, is used in making PVC which is a human carcinogen compound. Ceiling materials that will achieve low noxious emission and as well fire retardant should be investigated and employed for use. These materials can be improved upon to achieve environmental friendly building materials.
Description: Staff Publication2017-01-01T00:00:00ZStudy on Impact of Clinical Pharmacist’s Interventions in the Optimal Use of Oral Anticoagulants in Stroke Patients
http://repository.elizadeuniversity.edu.ng/jspui/handle/20.500.12398/1393
Title: Study on Impact of Clinical Pharmacist’s Interventions in the Optimal Use of Oral Anticoagulants in Stroke Patients
Authors: LAKSHMI, R.; JAMES, E.; KIRTHIVASAN, R.
Abstract: Anticoagulants are very useful medications but can also lead to haemorrhagic as well as thromboembolic
complications when not used correctly or without proper medical attention. Anticoagulant’s complex pharmacology
and pharmacokinetics contribute to its narrow margin of safety. Pharmacist’s unique knowledge of pharmacology,
pharmacokinetics and interactions makes them well‑suited to assist patients in maintaining safe and effective
anticoagulation. Successful anticoagulation therapy implies fewer incidences of therapeutic failures and bleeding
complications. The anticoagulation management service staffed by clinical pharmacists is a service established to
monitor and manage oral and parenteral anticoagulants. In this research work, 40 patients each were included in
the intervention and the control groups. In the intervention group, patient’s knowledge score on anticoagulation
increased from an average of 5.6±3.2 to 13.8±0.94 (P=0.000) after clinical pharmacist’s counselling, whereas in
the control group there was no significant improvement in patient’s baseline knowledge over the knowledge score
at the end of the study (8.0±1.59 vs. 8.3±2.6) (P=0.218). In the intervention group, 73.45% of the international
normalised ratio test results were within the therapeutic range, 8.45% supratherapeutic and 18.5% subtherapeutic
during the 6 months data collection period. The corresponding data for the control group were 53.2 (P=0.000),
18.4 (P=0.000) and 28.4% (P=0.002), respectively. Forty four adverse drug reactions (ADRs) related to anticoagulants
were identified in the intervention group as compared to 56 in the control group. These results revealed that the
clinical pharmacist’s involvement in the anticoagulation management improved the therapeutic outcome of patients
and demonstrate the benefits of clinical pharmacist guided anticoagulation clinics in India.
Description: Staff Publication2013-02-01T00:00:00Z