22 publications
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Investigation of the Physical and Chemical Properties of Different Species of OnionBy C. P. Ukpaka, Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka, Joy Chukwuemeka Peter Ukpaka
Abstract: An investigation on the physical and chemical properties of white, red, and brown onions was carried out to assess the potential applications of the different species sampled in this study. The physical properties monitored include refractive index, viscosity, and density. For red onion, the refractive index, viscosity, and density were measured as 1.35322, 1.631 cSt, and 1.1140 g/cm³, respectively. Brown onion exhibited values of 1.3571, 3.045 cSt, and 1.1130 g/cm³, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 2, 2026 · pp. 1–15 Read article →
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Investigation of the Physical and Chemical Properties of Different Species of OnionBy Joy Chukwuemeka Peter Ukpaka, Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka, C. P. Ukpaka
Abstract: An investigation on the physical and chemical properties of white, red, and brown onions was carried out to assess the potential applications of the different species sampled in this study. The physical properties monitored include refractive index, viscosity, and density. For red onion, the refractive index, viscosity, and density were measured as 1.35322, 1.631 cSt, and 1.1140 g/cm³, respectively. Brown onion exhibited values of 1.3571, 3.045 cSt, and 1.1130 g/cm³, …
Published in International Journal of Chemical Synthesis and Chemical Reactions · Vol. 11, Issue 2, 2026 · pp. 1–15 Read article →
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Integrated Process Design and Simulation of Amine-Based CO₂ Capture: A Path to Emission ControlBy Abraham Peter Ukpaka, Victor Chukwuemeka Ukpaka, Joy Chukwuemeka Peter Ukpaka, C. P. Ukpaka
Abstract: The flow sheet must represent the complete process in detail taking care of all process equipment. ASPEN HYSYS simulation software was used to simulate the process, the models of the process was simulated using MATLAB. The concentration of the atmospheric CO 2 was found to having been increasing steadily and has risen up to 35% since the Industrial Revolution. This rate, at which the concentration of CO 2 is increasing, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 Read article →
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Conceptual Design and Model Approach of an Amine Based on CO 2 CaptureBy Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka, C. P. Ukpaka
Abstract: The research work on the conceptual design and model approach of an amine base CO 2 capture, Fluegases are conveyed through the absorber, where carbon dioxide is chemically absorbed using anaqueous monoethanolamine (MEA) solution that is delivered to the column at its top. Due to theincreased contact area between the phases, both phases travel through the packed bed where most of the chemical reaction occurs. Before entering the stripper, where …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 11, Issue 2, 2025 · pp. 1–29 Read article →
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Modeling the Behavior of Metal Corrosion in Aquatic Environments at Varying DepthBy C. P. Ukpaka, George Ejoku
Abstract: The failures of engineering structures situated in the aquatic environment caused by corrosion cannot be over-emphasized. This research work addressed the effects of depths, heavy metals, microbial activities, and physiochemical properties of the water body on the corrosion of submerged metal structures in the water body (the water body is assumed flowing). Model techniques were applied to evaluate the relationship between diffusion and weight loss, as well as velocity and …
Published in International Journal of Metallurgy and Alloys · Vol. 11, Issue 1, 2025 · pp. 1–9 Read article →
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Study of Electrical Polarization of Some Elements:The Effect of DisplacementBy Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka, C. P. Ukpaka
Abstract: Electrical polarization is an essential phenomenon for material science, portraying the response of a material to the external electric field. This conceptual review has provided a model-based approach to understanding electrical polarization, The following elements as stated considered in this research, such as potassium (K), magnesium (Mg), scandium (Sc), titanium (Ti), vanadium (V) and chromium (Cr). Monitoring electrical polarization is the goal of this study. The electrical polarization model is …
Published in International Journal of Energetic Materials · Vol. 11, Issue 1, 2025 · pp. 12–21 Read article →
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The Potential Effect of Mass Variation on the Efficiency of the Single Electron System of Group II ElementsBy Abraham Peter Ukpaka, C. P. Ukpaka, Victor Chukwuemeka Ukpaka
Abstract: This study explores the efficiency, interactions, and dynamics of single-electron systems in the group II family of alkaline earth metals. The efficiency of these systems is assessed by analyzing their energy levels, with beryllium demonstrating the highest efficiency at 3.6 e-22 due to its low atomic mass and favorable energy transitions. The isotopic distribution patterns for these elements reveal how variations in neutron numbers influence their nuclear stability and electronic …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–17 Read article →
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Evaluating the Reciprocating Compressor Components Failure and DowntimeBy C. P. Ukpaka
Abstract: The investigation on the evaluation of reciprocating compressor component failures using the reliability approach was examined for a period of five (5) years. The components monitored were valves, seal, pistons, bearing, O-rings, and cylinders and the numbers of failure per year were obtained as 10, 8, 2, ,7, 9 and 4 for the first year, 6 6, 2, 5, 7 and 2 for the second year, 7, 6, 2, 3, …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article →
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Evaluation of the Potential of Fused Silica Material: The Relationship of Temperature, Frequency, and PolarizationBy Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka, C. P. Ukpaka
Abstract: Fused silica, a high-purity form of silicon dioxide, is widely recognized for its exceptional thermal stability, optical transparency, and low dielectric loss. This study evaluates the potential of fused silica as a material in advanced optical, electronic, and photonic applications by exploring its properties in relation to temperature, frequency, and polarization. Through a comprehensive analysis, we examine the temperature-dependent changes in its thermal and optical properties, including thermal expansion, refractive …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article →
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Computation of Compressor Components Failure and Maintenance CharacteristicsBy C. P. Ukpaka, Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka
Abstract: The computation of the compressor components failure and maintenance characteristics as related to the major parts are described in this research. The research projected the root cause of the compressor components failure as well as projected the necessary measure to reduce such occurrence in the gas compressor operation. The parameters of the Mean time between failure, failure rate, downtime maintenance, reliability, unreliability, and availability were commutated respect to the number …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 2, 2024 Read article →
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Modeling the Biokinetic of Crude Oil Degradation inLoamy Soil Using the Citrus Sinensis of Flavedo PartBy C. P. Ukpaka
Abstract: The biokinetic parameters of crude oil degradation using Citrus sinensis of flavedo part was investigated in loamy soil environment. Mathematical models were developed for the purpose of determining the biokinetic parameters of the k1 (Total Petroleum Hydrocarbon), maximum specific rate of TPH remediation and dissociation constant of the TPH remediation on the effect of remediant dosage on the polluted loamy soil environment. The effect of the remediants were monitored for …
Published in International journal of Thermodynamics and Chemical Kinetics · Vol. 10, Issue 1, 2024 Read article →
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Monitoring of the Physicochemical Properties of Some Important Parameters That Induce Metal Corrosion in Water MediumBy Abraham Peter Ukpaka, C. P. Ukpaka, Victor Chukwuemeka Ukpaka, Joy Chukwuemeka Peter Ukpaka
Abstract: This investigation addresses the effect of freshwater quality on metal corrosion in Choba river located in Obio/Akpo Local Government Area of Rivers State of Nigeria. The research involves the use of four different metal coupons namely Carbon Steel (CBS-D), Mild Steel (MS-B), Stainless Steel (SST-C), and Copper Steel (CPS-A). The different metal coupons were immersed in the freshwater medium and the freshwater medium is contaminated with industrial activities. The rate …
Published in International Journal of Metallurgy and Alloys · Vol. 10, Issue 2, 2024 · pp. 24–36 Read article →
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A Novel Approach to the Investigation of Molecular Polarization Using MATLAB ApplicationBy C. P. Ukpaka, Victor Chukwuemeka Ukpaka, Abraham Peter Ukpaka
Abstract: Molecular polarization involves the separation of electric charge in a molecule due to the result of aninduced external field leading to a dipole having a positive charge on one side and the negative charge atthe other end. This helps us to know the characteristics of molecules and how they react with others. It isalso helpful to know their physical and chemical properties. Molecular polarization also includes itsintermolecular forces, dielectric behavior …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 2, 2024 · pp. 1–18 Read article →
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Overview of the Effect of Momentum on the Characteristics of Atomic Structure of Group 3 ElementsBy Abraham Peter Ukpaka, C. P. Ukpaka, Victor Chukwuemeka Ukpaka
Abstract: This investigation provides an overview of the influence of momentum on the atomic structure characteristics of group 3 elements in the periodic table. Group 3 elements, including scandium, yttrium, and lanthanum, exhibit distinct properties that are influenced by the momentum of electrons within their atomic structure. Momentum affects electron distribution across energy levels, impacting atomic stability, reactivity, and bonding behaviors. Additionally, it plays a crucial role in determining magnetic properties …
Published in International Journal of Polymer Science and Engineering · Vol. 10, Issue 2, 2024 · pp. 20–40 Read article →
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Single-Electron System of the Group 2 Elements:A Comparative InvestigationBy C. P. Ukpaka
Abstract: This study presents a comparative investigation of the single-electron systems in group 2 elements, withthe primary objective of understanding the underlying trends in ionization energy, chemical reactivity,spectral lines, and radial probability distributions. The purpose of this research is to elucidate howthese properties evolve as one moves down the group, from beryllium (Be) to radium (Ra), and toexplore the implications for theoretical models and practical applications. One of the key problemsaddressed …
Published in International Journal of Composite Materials and Matrices · Vol. 10, Issue 2, 2024 · pp. 1–17 Read article →
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The Trend of Oil Produced from the Application of Mechano-Thermal Concepts of Extraction: The Characteristics of the Physiochemical PropertiesBy C. P. Ukpaka, K.M. Umah, P.N. Ikemyiri, K.K. Dagde
Abstract: The agricultural production process generates a significant amount of waste in the form of by-products and unused resources. Chemical engineers have a significant position on the globe, resulting in the production of a wide range of products for pharmaceutical, chemical, food and other industrial as well as domestic utilization. Ineffective management of agricultural waste can cause serious harm to the environment and cause a waste of resources. As chemical production …
Published in International Journal of Agrochemistry · Vol. 10, Issue 1, 2024 · pp. 1–7 Read article →
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Chemical Behavior and Characteristics as Related to Group V Elements in the Periodic Table and Their Electron StructuresBy Victor Chukwuemeka Ukpaka, Joy Chukwuemeka Peter Ukpaka, Abrahamr Peter Ukpaka, C. P. Ukpaka
Abstract: This research explores the interplay between electron structure and chemical behavior in Group V elements: nitrogen (N), phosphorus (P), arsenic (As), antimony (Sb), and bismuth (Bi). Nitrogen’s triple covalent bond relates to its stability and biological significance. Phosphorus’s versatile compounds benefit agriculture. Arsenic’s metalloid properties impact electronics. Antimony’s flame-retardant use highlights its versatility. Bismuth’s low toxicity and diamagnetism make it valuable in medicine and research. These elements showcase how electron …
Published in International Journal of Chemical Engineering and Processing · Vol. 10, Issue 2, 2024 · pp. 5–14 Read article →
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Study on the Root Cause of Fuel Tanker Truck Accidents in Nigeria: Reliability of Accidents Caused by Human Factors (HF)By C. P. Ukpaka, Kenneth Chieloka Ekesiobi, Barinyima Nkoi
Abstract: Accidents involving transportation of petroleum products by road are of high frequency in Nigeria, mainly because of overdependence on the tanker-truck system due to pipeline vandalism. We analyzed over 92 accidents involving tankers-trucks from 2014 to 2019. In this study, the analysis is done to examine the factors that caused the accident using accident records and petroleum distribution data from the Federal Road Safety Commission (FRSC). Petroleum tanker-truck accident reports …
Published in International Journal of Energetic Materials · Vol. 10, Issue 1, 2024 · pp. 36–49 Read article →
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Kinetic Model for Production of Carbon(iv)oxide (CO2) from Brewers Spent Grain Using Anaerobic DigesterBy C. P. Ukpaka, Vincent Godfrey Ikoro, Patience N. Ikenyiri
Abstract: In this research paper, investigation studies were carried out to determine which model best predicts the amount of using the linear, power, growth rate decay, and non-elementary rate models, the kinetics of the biogas produced under the impact of biodegradation were explored. Carbon(iv)oxide was produced as a fraction of the biogas acquired from the experimental conditions. Either of the linear, power, growth rate decay, and non-elementary rate models can be …
Published in International Journal of Energetic Materials · Vol. 10, Issue 1, 2024 · pp. 17–31 Read article →
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Experimental Based Analysis of Minor BioactiveCompound Composition of Avocado, Mango and NativePear Seed oil for Pharmaceutical UtilizationBy C. P. Ukpaka, Umah Kingdom Matthew, Joy Chukwuemeka Peter Ukpaka
Abstract: Oil was extracted from avocado, mango and native pear seed through the mechanism of mechanothermal techniques. In this process no solvent was added for the purpose of the oil recovered rather themechanism of extraction was mainly mechanical and distillation process. The different oils recoveredfrom the process were subjected to pharmaceutical analysis to ascertain the properties of some minorbioactive compounds and their compositions in relation to the three samples of the …
Published in International Journal of Chemical Separation Technology · Vol. 10, Issue 1, 2024 · pp. 15–26 Read article →