Engr. Enyinnaya Paschal Ohale
Engr. Enyinnaya Paschal Ohale is a LECTURER I in CHEMICAL ENGINEERING Department, Faculty Of Engineering in Nnamdi Azikiwe University
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Staff Profile
A chemical engineer with 10+ years of research and lecturing experience. I have special interests in biosystems engineering, food engineering, and mathematical modelling & process optimisation.
Personal Information
Email: | |
Phone: | |
Address: | Chemical Engineering, Faculty Of Engineering, Nnamdi Azikiwe University, Awka. |
Faculty/Unit: | FACULTY OF ENGINEERING |
Department/Sub-Unit: | CHEMICAL ENGINEERING |
Social Profiles
Academic Qualifications
| Degrees / Basic Certificates | |
|---|---|
| 1 | Nnamdi Azikiwe University, Awka. (Master Degree, June, 2017) October, 2012 to June, 2017 M. Eng. Chemical Engineering |
| 2 | Anambra State University. (Bachelor Degree, April, 2011) September, 2005 to October, 2010 B. Eng. Chemical Engineering |
| 3 | Government Secondary School Owerri. (SSCE, September, 2003) October, 1997 to September, 2003 |
| 4 | Assumpta Primary School. (FSLC, September, 1997) September, 1991 to September, 1997 |
Relevant/Working Experience
| 1 | LECTURER AND RESEARCHER, Nnamdi Azikiwe University, Awka October, 2017 to August, 2051 |
| 2 | Laboratory Technologist, Nnamdi Azikiwe University, Awka December, 2012 to October, 2017 |
| 3 | Contract staff, Halliburton Energy Services July, 2012 to December, 2012 |
| 4 | Laboratory Technologist, Federal University Of Technology, Akure May, 2011 to June, 2012 |
Creative Output
| Book Chapters | |
|---|---|
| 1 | Chijioke Elijah Onu, Christian Oluchukwu Asadu, Paschal Enyinnaya Ohale, Emeka Victor Ojukwu, Nonso Collins Ogunaobi, Chiamaka Peace Onu, Florence Chidinma Akaeme. (2022, August) Recent trends in textile wastewater treatment using agricultural waste Springer Nature Singapore |
| 2 | Chijioke Elijah Onu, Paschal Enyinnaya Ohale, Ifeoma Amaoge Obiora-Okafo, Christian Oluchukwu Asadu, Chukwunonso Chukwuzuloke Okoye, Emeka Victor Ojukwu, Ebuka Emmanuel Ezennajiego. (2022, August) Application of rice husk-based biomaterial in textile wastewater treatment Springer Nature Singapore |
| Journal Articles | |
| 1 | Chukwudi Chime, Paschal Ohale, Chijioke Onu, Nonye Ohale.. (2023, January), "Application of ANN and RSM Techniques in Optimal Parameter Evaluation for Turbidity Removal from Abattoir Effluent using Valorized Chicken Bone Coagulant", Journal of Engineering Research and Reports, Vol. 24, (Issue 1) |
| 2 | Paschal Enyinnaya Ohale, Chinenye Adaobi Igwegbe, Kingsley O Iwuozor, Ebuka Chizitere Emenike, Christopher Chiedozie Obi, Andrzej Białowiec. (2023, January), "A review of the adsorption method for norfloxacin reduction from aqueous media", MethodsX |
| 3 | John Sunday Uzochukwu, Onu Chijioke Elijah, Ohale Pascal Enyinnaya, N Nweke Chinenye, Madiebo Emeka Michael, John Chioma Mary. (2023, February), "Mathematical and statistical process modeling of hydrochloric acid leaching of iron-oxide impurity from inyi kaolin: response surface methodology", International Journal of Modern Developments in Engineering and Science |
| 4 | Chijioke Elijah Onu, Benjamin Nnamdi Ekwueme, Paschal Enyinnaya Ohale, Chiamaka Peace Onu, Christian O Asadu, Christopher Chiedozie Obi, Kevin Tochukwu Dibia, Ogochukwu Onyinye Onu. (2023, February), "Decolourization of bromocresol green dye solution by acid functionalized rice husk: artificial intelligence modeling, GA optimization, and adsorption studies", Journal of Hazardous Materials Advances |
| 5 | Paschal Enyinnaya Ohale, Marcel Ikenna Ejimofor, Chijioke Elijah Onu, Mathew Abonyi, Nonye Jennifer Ohale. (2023, April), "Development of a surrogate model for the simulation of anaerobic co-digestion of pineapple peel waste and slaughterhouse wastewater: appraisal of experimental and kinetic modeling", Environmental Advances |
| 6 | Chinenye Adaobi Igwegbe, Christopher Chiedozie Obi, Paschal Enyinanya Ohale, Shabnam Ahmadi, Okechukwu Dominic Onukwuli, Joseph Tagbo Nwabanne, Andrzej Białowiec. (2023, June), "Modelling and optimisation of electrocoagulation/flocculation recovery of effluent from land-based aquaculture by artificial intelligence (AI) approaches", Environmental science and pollution research |
| 7 | MN Abonyi, JT Nwabanne, LI Igbonekwu, PE Ohale, JO Nwachukwu, CM Ezechukwu, IO Ndibe. (2023, September), "Parametric and Kinetic Study of Hybrid Dye Uptake by activated mango seed endocarp", UNIZIK Journal of Engineering and Applied Sciences |
| 8 | Paschal Enyinnaya Ohale, Kaito Chukwudi, Julius Nnamdi Ndive, Madiebo Emeka Michael, Mathew Ndubuisi Abonyi, Monday Morgan Chukwu, Christopher Chiedozie Obi, Chijioke Elijah Onu, Chinenye Adaobi Igwegbe, Chinenye Ogochukwu Azie. (2023, October), "Optimization of Fe2O3@ BC-KC composite preparation for adsorption of Alizarin red S dye: Characterization, kinetics, equilibrium, and thermodynamic studies", Results in Surfaces and Interfaces |
| 9 | Chinenyenwa Nkeiruka Nweke, Chijioke Elijah Onu, Joseph Tagbo Nwabanne, Paschal Enyinnaya Ohale, Emeka Michael Madiebo, Monday Morgan Chukwu. (2023, November), "Optimal pretreatment of plantain peel waste valorization for biogas production: Insights into neural network modeling and kinetic analysis", Heliyon |
| 10 | Matthew Ndubuisi Abonyi, Joseph Tagbo Nwabanne, Paschal Enyinnaya Ohale, Emmanuel Chinagorom Nwadike, Lawrence I Igbonekwu, Monday Morgan Chukwu, Emeka Michael Madiebo. (2023, December), "Application of RSM and ANFIS in the optimal parameter evaluation for crude oil degradation in contaminated water amended with PES", Case Studies in Chemical and Environmental Engineering |
| 11 | Paschal Ohale, Loveth Nwanneka Emembolu, Chijioke E Onu, Nonye Jennifer Ohale. (2022, January), "Comparative Modeling, Optimization and Optimal Corrosion Inhibition Studies of Aspilia-Africana Leaf Extract on Mild Steel and Aluminum Metal in Acid Medium", SSRN |
| 12 | Chijioke Elijah Onu, Paschal Enyinnaya Ohale. (2022, February), "Adsorptive removal of bromocresol green dye using activated corn cob", SSRN |
| 13 | Paschal Enyinnaya Ohale, Chijioke Elijah Onu, Joseph Tagbo Nwabanne, Chukwunonso Onyeka Aniagor, Chinenye Faith Okey-Onyesolu, Nonye Jennifer Ohale. (2022, August), "A comparative optimization and modeling of ammonia–nitrogen adsorption from abattoir wastewater using a novel iron-functionalized crab shell", Applied Water Science |
| 14 | Christopher Chiedozie Obi, Joseph Tagbo Nwabanne, Chinenye Adaobi Igwegbe, Paschal Enyinnya Ohale, Charles Odilichukwu R Okpala. (2022, October), "Multi-characteristic optimization and modeling analysis of electrocoagulation treatment of abattoir wastewater using iron electrode pairs", Journal of Water Process Engineering |
| 15 | Loveth Nwanneka Emembolu, Paschal Enyinnaya Ohale, Chijioke Elijah Onu, Nonye Jennifer Ohale. (2022, October), "Comparison of RSM and ANFIS modeling techniques in corrosion inhibition studies of Aspilia Africana leaf extract on mild steel and aluminium metal in acidic medium", Applied Surface Science Advances |
| 16 | Chijioke Elijah Onu, Paschal Enyinnaya Ohale, Benjamin Nnamdi Ekwueme, Ifeoma Amaoge Obiora-Okafo, Chinenye Faith Okey-Onyesolu, Chiamaka Peace Onu, Chinonso Anthony Ezema, Ogochukwu Onyinye Onu. (2022, December), "Modeling, optimization, and adsorptive studies of bromocresol green dye removal using acid functionalized corn cob", Cleaner Chemical Engineering |
| 17 | Paschal Enyinnaya Ohale, Ogonna Joachin Nwajiobi, Chijioke Elijah Onu, Emeka Michael Madiebo, Nonye Jennifer Ohale. (2022, December), "Solvent extraction of oil from three cultivars of Nigerian mango seed kernel: process modeling, GA-optimization, nonlinear kinetics and comparative characterization", Applied Food Research |
| 18 | Chijioke Elijah Onu, Joseph Tagbo Nwabanne, Paschal Enyinnaya Ohale. (2021, January), "Comparative Analysis Of RSM, ANN And ANFIS And The Mechanistic Modeling In Eriochrome Black-T Dye Adsorption Using Modified Clay", South African Journal of Chemical Engineering, Vol. 36, pp 24 - 42 |
| 19 | Chinedu Matthew Agu, Matthew Chukwudi Menkiti, Paschal Enyinnaya Ohale, Victor Ifeanyi Ugonabo. (2021, January), "Extraction Modeling, Kinetics, And Thermodynamics Of Solvent Extraction Of Irvingia Gabonensis Kernel Oil, For Possible Industrial Application", Engineering Reports, Vol. 3, (Issue 4), pp 1 - 25 |
| 20 | Chijioke Elijah Onu, Philomena K. Igbokwe, Joseph T. Nwabanne, Paschal E. Ohale. (2021, December), "ANFIS, ANN and RSM modeling of moisture content reduction of cocoyam slices", Journal of Food Processing and Preservation |
| 21 | Chijioke Elijah Onu, Philomena K Igbokwe, Joseph T Nwabanne, Charles O Nwajinka, Paschal E Ohale. (2020, February), "Evaluation Of Optimization Techniques In Predicting Optimum Moisture Content Reduction In Drying Potato Slices", Artificial Intelligence in Agriculture, Vol. 4, pp 39-47 |
| 22 | Emmanuel C. Nwadike., Matthew N. Abonyi., Joseph T. Nwabanne, Pascal E. Ohale .. (2020, April), "Optimization Of Solar Drying Of Blanched And Unblanched Aerial Yam Using Response Surface Methodology", International Journal of Trend in Scientific Research and Development, Vol. 4, (Issue 3), pp 659 - 666 |
| 23 | Paschal Enyinnaya Ohale, Chijioke Elijah Onu, Nonye Jennifer Ohale, Stephen Nnanyereugo Oba. (2020, December), "Adsorptive Kinetics, Isotherm And Thermodynamic Analysis Of Fishpond Effluent Coagulation Using Chitin Derived Coagulant From Waste Brachyura Shell", Chemical Engineering Journal Advances, Vol. 4, pp 100036 |
| 24 | P.E.Ohale, C.F.Uzoh, O.D.Onukwuli. (2017, December), "Optimal Factor Evaluation For The Dissolution Of Alumina From Azaraegbelu Clay In Acid Solution Using RSM And ANN Comparative Analysis", South African Journal of Chemical Engineering, Vol. 24, pp 43-54 |
| 25 | OKAFOR WINSTON CHURCHILL, ABONYI MATTHEW, OKAFOR IJEOMA, ONOCHA OVONOMO, OHALE PASCHAL. (2015, October), "COMPARATIVE STUDY OF FREE AMINO NITROGEN CONCENTRATION IN THE FERMENTATION OF WHITE AND BROWN SORGHUM", Journal of Basic and Applied Research International, Vol. 13, (Issue 1) |
| Conference Papers | |
| 1 | Ohale, P. E. (2019, November), "Application Of Ann And RSM Techniques In Optimal Parameter Evaluation For The Coag-Flocculation Of Abattoir Effluent Using Crab Shell Chitin", 2019 AIChE Annual Meeting |
Academic Leadership Qualities
| Grants | |
|---|---|
| 1 | Collaborator: "Kinetics, isotherm and optimization studies of abattoir waste water coagulation using chicken bone coagulat." (July, 2017 to September, 2020). Completed sponsored grant by TETFund IBR Grant |
| Reviewerships | |
| 1 | Reviewer, "The analysis of moisture migration and distribution during nut drying process based on ODT-CNN by LF-NMR" (April, 2026) |
| 2 | Reviewer, "The adsorption of Rhodamine-B (RHB) by modi2ed chitosan beads in synthetic wastewater:HAn evaluation of RSM, ANN, and ANFIS techniques in predicting model outcomes." (February, 2026) |
| 3 | Reviewer, "Comparative Assessment of Arti2cial Neural Network and Response Surface Methodology for Modeling and Optimizing Phosphate Adsorption onto Rice Straw Biochar" (July, 2026) |
| 4 | Reviewer, "Enhanced Cr (VI) biosorption using dead fungal biomass of Purpureocillium lilacinum: RSM and ANN based optimization, kinetics, thermodynamics, and adsorbent regeneration" (January, 2026) |
| 5 | Reviewer, "Estimation of Macro-Level Manufacturing Value Added with Arti2cial Intelligence Algorithms" (June, 2026) |
| 6 | Reviewer, "A Sustainable Solution for Aquaculture Wastewater Treatment: Evaluation of Tannin-Based and Conventional Coagulants" (May, 2025) |
| 7 | Reviewer, "Isomerization and epimerization of galactose using an anion exchange resin" (March, 2025) |
| 8 | Reviewer, "Comparative analysis of RSM and ANN-GA based modeling for protein extraction from cotton seed meal: Effect of extraction parameters" (March, 2025) |
| 9 | Reviewer, "Kinetics, Thermodynamics and Characterization of Neem seeds (Azadirachta Indica) Oil Extraction: Extensive study of the processes" (January, 2025) |
| 10 | Reviewer, "Unraveling Uranium Adsorption Mechanisms on AO-MWCNTs Using Statistical Physics" (May, 2025) |
| 11 | Reviewer, "Modeling and optimization of protein extraction from sunflower seed Cake: RSM and ANN-GA approaches" (August, 2025) |
| 12 | Reviewer, "Optimizing tempering drying conditions for milling and physicochemical quality of extra-long rice: A machine learning approach" (October, 2025) |
| 13 | Reviewer, "Molybdenum recovery from acidic industrial wastewater using Bayesian optimization algorithm-based ANN model: A case study by applying chemical precipitation followed by solvent extraction" (January, 2025) |
| 14 | Reviewer, "Study on kinetic modeling for electrocoagulation removal of suspended sediment particles based on response surface methodology optimization and ζ potential correction" (December, 2025) |
| 15 | Reviewer, "Optimizing propylene production via 2-butene metathesis: catalytic efficiencies and AI-driven process enhancement" (August, 2025) |
| 16 | Reviewer, "Modelling and optimization of ultra-fine copper sulphide grinding: A hybrid statistical and machine learning approach" (November, 2025) |
| 17 | Reviewer, "Developing artificial neural networks and response surface methodology for predicting CO2 absorption into K2CO3/Piperazine solution" (June, 2024) |
| 18 | Reviewer, "Experimental investigation and optimization of performance, emission, and vibro-acoustic parameters of SI engine fueled" (October, 2024) |
| 19 | Reviewer, "Parametric, physicochemical and fatty acids composition characterizations of oil extract from Telfairia occidentalis seed; an evolution of its industrial applications potentials" (January, 2024) |
| 20 | Reviewer, "Kinetics And Thermodynamics of Oil Extraction from Ghanaian Cashew Kernels Using Hexane" (June, 2024) |
| 21 | Reviewer, "Modelling and optimizing secondary metabolites production in Spirodela polyrhiza using machine learning" (November, 2024) |
| 22 | Reviewer, "Association of magnetic-flyash in anaerobic co-digestion for biomethane optimization: Promoting biofilm formation" (January, 2024) |
| 23 | Reviewer, "Carica papaya Leaf Extract (CPLE) as Green Corrosion Inhibitor for AISI 4140 Steel in 15% Hydrochloric Acid medium" (December, 2023) |
| 24 | Reviewer, "Integrating chemical coagulation with 2xedbed column adsorption using rice husk-derived biochar for shipboard bilgewater treatment: Scaleup design and cost estimation" (November, 2023) |
| 25 | Reviewer, "Extraction Chromatography based Separation of Zirconium(IV) from Simulated High-Level Liquid Waste Using N,N-di-octyl-2-hydroxyacetamide Impregnated Amberlite XAD-7 resin" (November, 2023) |
| 26 | Reviewer, "Optimizing biogas production from palm oil mill effluent utilizing integrated machine learning and response surface methodology framework" (August, 2023) |
| 27 | Reviewer, "Thermodynamics, isotherms, and mechanisms studies of lithium recovery from seawater desalination reverse osmosis brine using roasted" (February, 2022) |
| Contributions to the University/Society | |
| 1 | Departmental ICT officer, "Nnamdi Azikiwe University, Awka" (September, 2018) |
Membership of Professional/Relevant Bodies
| 1 | Full Member, "NIGERIAN SOCIETY OF CHEMICAL ENGINEERS" - M3025 (member since 2026), https://www.nsche.org/Membership-Directory |
| 2 | Full Member, "Council for the Regulation of Engineering in Nigeria" - R70211 (member since 2022), https://portal.coren.gov.ng/verification/verify |
Relevant Events Attended
| Other Events | |
|---|---|
| 1 | "AIChE Annual Meeting", (AIChE), 10th November, 2019 to 15th November, 2019; Hyatt Regency, Orlando |
| 2 | "Raw Materials Processing And Utilization For Sustainable Development", (Faculty of engineering, Nnamdi Azikiwe University, Awka), 21st August, 2018 to 23rd August, 2018; Nnamdi Azikiwe University, Awka |
| 3 | "Commercialization Of Engineering In Nigeria.", (Faculty of engineering international conference), 25th August, 2016 to 27th August, 2021; Nnamdi Azikiwe University |
| 4 | "National Conference On Engineering For Sustainable Development.", (Faculty of engineering, Nnamdi Azikiwe University, Awka), 6th July, 2016 to 8th July, 2016; Nnamdi Azikiwe University, Awka |