17 publications
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Effect of Temperature on Fungi Concentration in Crude Oil Remediation in an Aerated BioreactorBy Chukwuemeke. P Ukpaka, Okirie Faith Uchendu
Abstract: This research work was conducted to demonstrate the significance of temperature on the characteristics of fungi growth of crude oil degradation in fresh and salt water media. Comparison of fresh and salt contaminated water media was examined, the effect of temperature on crude oil degradation and the characteristics of total heterotrophic bacteria and fungi action. For Total Heterotrophic Fungi (THF) were Aspergillus niger, Aspergillus flavus, mucor sp, penicillium sp, Aspergillus …
Published in International Journal of Environmental Chemistry · Vol. 8, Issue 2, 2022 · pp. 12–21 Read article →
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Comparison of Theoretical and Experimental Investigation of Suspened Solids Sedimentation Model in Stagnant Water Environment on Crude Oil DegradationBy Chukwuemeke. P Ukpaka, Ozioko F.C., Aguma Emenike
Abstract: In this investigation the developed model of Ukpaka’s, Stoker’s and Newton’s were compared with the determine values from the experimental data obtained in the suspended solid (TS) in a stagnant water environment. Theoretical and experimental data established in this research demonstrated a good match as well as the evaluated deviation error reveals acceptable range indicating the usefulness of these models in monitoring and predicting the TS sedimentation mechanism in crude …
Published in International Journal of Chemical Separation Technology · Vol. 8, Issue 1, 2022 · pp. 1–16 Read article →
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Design of a Plug Flow Reactor for Production of Refrigerants from Natural Gas ChlorinationBy Chukwuemeke. P Ukpaka, Goodhead Thankgod Oweifa, Ibhadon Edwin Ayemenre, Dagde Kenneth Kekpugile
Abstract: The design of a plug flow reactor and distillation column for the production of refrigerants from natural gas chlorination, was aimed at achieving high purity volume percent of Methyl Chloride (CH3Cl) and Methylene Chloride as desired products. Aspen HYSYS software was used to simulate the reactor. The reaction was carried out at a temperature of 3000C and 1atm Pressure, Methane to Chlorine ratio was set at 1.5:1 to favour the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 2, 2021 · pp. 10–22 Read article →
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Investigation on the Viability and Performance of Justicia Carnea Plant Extracts Treated on Crude Oil Remediation in Loamy SoilBy Chukwuemeke. P Ukpaka, Obuge A. M.
Abstract: This study was carried out to investigate the viability and the performance of Justicia carnea plant extracts treated with direct sunlight and the absence of sunlight on the bioremediation process of crude oil contaminated loamy soils sample obtained from the Otari community in Abua Local Government Area of Rivers State of Nigeria. Total petroleum hydrocarbon degraded, total microbial count, pH, amount of nitrogen, phosphate, and potassium, soil total organic carbon, …
Published in International Journal of Agrochemistry · Vol. 7, Issue 2, 2021 · pp. 1–21 Read article →
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Investigation on Temperature Control of Boiler using Cascaded Proportional Integral Derivative (PID)By Chukwuemeke. P Ukpaka, Achinike Okogbule-Wonodi, Tom-cypriam N.
Abstract: Investigation was carried out to demonstrate the PID control mechanism of boiler using cascaded techniques to examine the tank temperature and the amplitude value of model developed without controller and model developed with controller. The influence of temperature was monitored and the effect examined with variation in amplitude. The obtained data from the investigation reveals the significant of temperature variation on the boiler control mechanism especially using Cascaded Proportional Integral …
Published in International Journal of Chemical Engineering and Processing · Vol. 7, Issue 2, 2021 · pp. 43–50 Read article →
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Modelling and Simulation of a Bio-Fermenter for Ethanol ProductionBy Chukwuemeke. P Ukpaka, Ekperi N. I.
Abstract: Industrialization and world population are continuously increasing and this demands high energy. Ethanol is one of the leading bio-fuel in recent years. In this research, mathematical models were developed to monitor, predict and simulate the rate of production of ethanol from the fermentation process of corn. Increase in the ethanol production was observed within the range of 0 >D_S≤0.25 of solvent dilution rate with the optimum value of ethanol concentration …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 7, Issue 1, 2021 · pp. 39–50 Read article →
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Investigation into the Kinetics of Biodegradation of Crude Oil Hydrocarbon in Different Soil Types Using Aloe VeraBy Chukwuemeke. P Ukpaka, Blessing Sunday Ekpedoho, S. A. Amadi
Abstract: A pilot study was conducted on three different soil type contaminated with crude oil bio-simulated with Aloe vera juice to examine the effect of the stimulant on the rate of degradation of the crude oil by the indigenous microbes. Soil contaminated with crude is deficient of the essential nutrients which are needed to boast the activities of the microbes which feed on the crude. These nutrients are found in Aloe …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 4, Issue 2, 2018 · pp. 10–21 Read article →
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Assessment of the Physiochemical Parameters of Aluu Crude Oil Polluted Soil Environment in Niger Delta.By Chukwuemeke. P Ukpaka, C. B. Wecheonwu, T. Y. Puyate, O. E. Ehirim
Abstract: Investigation was carried out to examine the effect of Crude oil contamination of Aluu soil and some of the physiochemical parameters. The physiochemical parameters studied were temperature, pH value, electrical conductivity and available phosphorus. The result obtained revealed the significant effect of the crude oil contamination on the physicochemical parameter investigated. The statistical analyses used were analysis of variance (ANOVA) and regression analysis. The time has effect on temperature and …
Published in International Journal of Environmental Chemistry · Vol. 5, Issue 2, 2019 · pp. 30–37 Read article →
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Examination of conversion of Ethanol into Diethyl – Ether ProductBy Chukwuemeke. P Ukpaka, Faith Ogechi Onyekwere, E. O. Ehirim
Abstract: Investigation was conducted to examine the rate of diethyl-ether production from ethanol using the approach of vapour-phase dehydration. The following functional parameters were examined to determine the significance on the production of diethyl-ether from ethanol on the concept of vapour-phase dehydration. The functional parameters are space time, space velocity, heat generated per unit volume, reactor length, weight of catalyst and fractional conversion. The result obtained from the investigation demonstrates the …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 10–18 Read article →
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Effect of Pressure on Insulation Failure and Pipe Leakage in Natural Gas Transmission Pipeline Using Simulation SoftwareBy Chukwuemeke. P Ukpaka, Nwokide Nwokide, Chidiebere Lynda
Abstract: Effect on insulation failure and pipeline leakage in natural gas transmission line using simulation software known as EXTENDSIM9 SUIT was applied to monitor, predict and simulate the variation in pressure in a pipeline system. The computational fluid dynamics parameters for the flow of compressible gas in a pipeline includes density and pressure which changes along the transmission line due to frictional resistance, and may lead to fogging/ hydrate formation or …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 5, Issue 1, 2019 · pp. 24–37 Read article →
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Comparison of Theoretical and Experimental Approach to Predict Crude Oil Spreading Rate in Niger Delta Area, NigeriaBy Chukwuemeke. P Ukpaka
Abstract: Theoretical and Experimental approach was employed to examine the rate of crude oil characteristics upon the influence of transport and spreading, using Niger Delta raw crude oil. The major raw crude oil used for this investigation are Escravos crude oil, Brass blend and Bonny light and the rate of transport and spreading was monitored based on the laboratory set – up experiment. Mathematical model was developed to monitor, predict and …
Published in International Journal of Chemical Engineering and Processing · Vol. 4, Issue 2, 2018 · pp. 27–37 Read article →
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Development of Mathematical Model for the Catalytic Polymerization of Propylene ProcessBy Chukwuemeke. P Ukpaka, K. K Dagde, Evans Irabor Abhalenjaye
Abstract: Mathematical model was developed to monitor, predict and simulate the catalytic polymerization of polypropylene process in a continuous stirred Tank Reactor, (CSTR). The developed model was based on consideration of functional parameters that influence the catalytic polymerization of propylene process production. These functional parameters are hydrodynamic factors, which induce process coverage into Aspen polymers to demonstrate the reliability of mass and heat transfer phenomena experienced during catalytic polymerization of propylene …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 29–36 Read article →
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Evaluating Boiler Performance in Refinery Operations Using Thermodynamic PrinciplesBy Chukwuemeke. P Ukpaka, Kingsley Okechukwu Achonwa, A. A Ujile, E. O. Ehirim
Abstract: This work involves the evaluation of effect of boiler operating temperature and pressure on the performance of steam power plant, a case study of Port Harcourt Refining Company. Thermodynamic principles of the Rankine cycle as the ideal cycle for steam power plant analysis were applied in this study. Boiler operating pressures of 43bar and 61bars were used. The results obtained showed that there was improved performance of the plant when …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 2, 2018 · pp. 8–28 Read article →
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Model for Prediction of Pneumatic Proportional Integral Controller Transfer Function for Step Input Process ResponseBy Chukwuemeke. P Ukpaka
Abstract: Mathematical model was developed to monitor, predict and simulate the pneumatic proportional integral controller transfer function for step input process response. The model developed was based on the geometric arrangement as well as the distance of the flapper from the nozzle was considered to be small, where the capacitance C is constant and R is the resistance of the integral restrictor. The characteristics of the process was monitored, predicted and …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 28–37 Read article →
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Modeling of CSTR Reactor for Sodium Benzoate ProductionBy Chukwuemeke. P Ukpaka, Ziebiye Zaccheaus Wilcox
Abstract: The mathematical model was developed for Continuous Stirred-Tank Reactor (CSTR) for the production of sodium benzoate from the reaction of sodium hydroxide and benzoic acid. The performance equation for the operation of CSTR was developed for the analysis of the reactor’s functional dimensions and parameters. The analysis of the reactor’s functional parameters was performed at molar ratio of benzoic acid to sodium hydroxide of 1.5 to 3.0 at intervals of …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 4, Issue 1, 2018 · pp. 38–50 Read article →
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Critical Examination on Aluminum Corrosion in Marine water Media EnvironmentBy Chukwuemeke. P Ukpaka, Juliet Ben Iwo
Abstract: Investigation into the critical examination on aluminum corrosion in marine water media environment of Niger Delta in Nigeria was monitored using experimental and theoretical approach. Weight loss was experienced with increase in the period of exposure indicating the occurrence of corrosion of aluminum in both fresh and salt water body. The weight loss and corrosion rate characteristics of the aluminum in the river water media environment was further examine using …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 29–43 Read article →
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Modeling the Diffusion Characteristics of Sawdust in Crude Oil MediumBy Chukwuemeke. P Ukpaka, P. N Ikenyiri
Abstract: Over the years, oil spill pollution has become an important issue of concern due to its serious environmental impact; Therefore natural organic sorbent such as Abura sawdust was used for oil spill cleanup due to its availability, eco-friendliness and low cost, and was selected as the preferred sorbent and the effects of sorbent contact time and its particle size on oil adsorption capacity were evaluated for the systems of dry …
Published in International Journal of Environmental Chemistry · Vol. 4, Issue 1, 2018 · pp. 44–57 Read article →