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Kinetics, modelling and optimization of Shea butter transesterification via clay doped ionic liquid catalyst

Authors : Nwosu-Obieogu Kenechi , Ude Callistus Nonso , Onukwuli Dominic Okechukwu , Ezeugo Joseph
Journal : South African Journal of Chemical Engineering
Journal Reference count : 84
Volume : 51
Pages : 232-252
2025

Newly synthesized 1-butyl-3-methylimidazolium p-toluenesulfonate ionic liquid for acid corrosion of API 5L X70 steel: Experimental, DFT/MD-simulation, statistical and machine learning predictions

Authors : Daniel Iheanacho Udunwa , Okechukwu Dominic Onukwuli , Simeon Chukwudozie Nwanonenyi , Callistus Nonso Ude , Innocent Okechi Arukalam , Remy Uche
Journal : Results in Surfaces and Interfaces
Journal Reference count : 83
Volume : 18
Pages : 100398
2025

Modelling and optimization of shea butter biodiesel engine performance evaluation using response surface methodology

Authors : Nwosu-Obieogu Kenechi , Onukwuli Dominic Okechukwu , Ezeugo Joseph , Ude Callistus Nonso
Journal : Cleaner and Circular Bioeconomy
Journal Reference count : 67
Volume : 9
Pages : 100105
2024

Kinetics and soft computing evaluation of Linseed oil transesterification via CD-BaCl-IL catalyst

Authors : Kenechi Nwosu-Obieogu , Ude Callistus Nonso , Onukwuli Dominic Okechukwu , Ezeugo Joseph
Journal : Heliyon
Journal Reference count : 82
Volume : 10
Pages : e37686
2024

Modelling and optimizing the transesterification process of shea butter via CD-BaCl-IL catalyst using soft computing algorithms

Authors : Kenechi Nwosu-obieogu , Joseph Ezeugo , Okechukwu Dominic Onukwuli , Callistus Nonso Ude
Journal : Results in Engineering
Journal Reference count : 101
Volume : 22
Pages : 102004
2024

Optimization of cyanide adsorption from cassava wastewater using phosphoric acid-functionalized activated carbons derived from livestock keratin waste via in-situ and ex-situ activation routes

Authors : Jeremiah Lekwuwa Chukwuneke , Henry Oghenero Orugba , Jude Ebieladoh Sinebe , Ude Callistus Nonso , Victor Ikenna Okoro , H.C. Olisakwe
Journal : Desalination and Water Treatment
Journal Reference count : 76
Volume : 320
Pages : 100834
2024

Yield optimization and fuel properties evaluation of the biodiesel derived from avocado pear waste

Authors : Elendu Collins Chimezie , Zhicong Wang , Yun Yu , Ude Callistus Nonso , Pei-Gao Duan , Krzysztof Kapusta
Journal : Industrial Crops and Products
Journal Reference count : 48
Volume : 191
Pages : 115884
2023

Soft Computing Prediction of Linseed Oil Transesterification Process via Clay-Doped Barium Chloride Catalyst

Authors : Onukwuli Dominic Okechukwu , Nwosu-Obieogu Kenechi , Ezeugo Joseph , Ude Callistus Nonso
Journal : Process Integration and Optimization for Sustainability
Journal Reference count : 58
Volume : 8
Pages : 181-206
2023

Physico-chemical/mechanical properties of treated groundnut shell fibre; Response surface methodology and artificial neural network performance evaluation and optimisation

Authors : Kenechi Nwosu-Obieogu , Goziya Williams Dzarma , Goodnews Christian , Ude Callistus Nonso , Allen Maureen Awele , Okoye Obuora Anozie
Journal : Cleaner Waste Systems
Journal Reference count : 38
Volume : 2
Pages : 100017
2022

Evaluation of RSM and ANFIS modeling performance in fermentable sugar production from Enzymatic Hydrolysis Of Colocynthis vulgaris shrad seeds shell

Authors : Christopher Nnaemeka Igwilo , Callistus Nonso Ude , Maxwell Ikechukwu Onoh
Journal : Egyptian Journal of Petroleum
Journal Reference count : 16
Volume : 31
Pages : 31-36
2022

Rsm, Ann and Anfis Applications in Modelling Fermentable Sugar Production from Enzymatic Hydrolysis of Colocynthis Vulgaris Shrad Seeds Shell

Authors : Christopher Nnaemeka Igwilo , Callistus Nonso Ude , Maxwell Ikechukwu Onoh , Chukwudi Benedict Enekwe , Anthony Bishop Alieze
Journal : SSRN Electronic Journal
2022

Improving heterogeneous catalysis for biodiesel production process

Authors : Onukwuli Dominic Okechukwu , Ezeugo Joseph , Ude Callistus Nonso , Nwosu-Obieogu Kenechi
Journal : Cleaner Chemical Engineering
Journal Reference count : 128
Volume : 3
Pages : 100038
2022

Biodiesel production from nonedible feedstocks catalyzed by nanocatalysts: A review

Authors : Elendu Collins Chimezie , Xiaoxiao Zhang , Oraléou Sangué Djandja , Ude Callistus Nonso , Pei-Gao Duan
Journal : Biomass and Bioenergy
Journal Reference count : 137
Volume : 163
Pages : 106509
2022

RSM, ANN and ANFIS applications in modeling fermentable sugar production from enzymatic hydrolysis of Colocynthis Vulgaris Shrad seeds shell

Authors : Christopher Nnaemeka Igwilo , Nonso Callistus Ude , Ikechukwu Maxwel Onoh , Chukwudi Benedict Enekwe , Bishop Anthony Alieze
Journal : Bioresource Technology Reports
Journal Reference count : 34
Volume : 18
Pages : 101056
2022

Evaluation of engine performance and emission of African pear seed oil (APO) biodiesel and its prediction via multi‐input‐multi‐output artificial neural network (ANN) and sensitivity analysis

Authors : Callistus Nonso Ude , O Dominic Onukwuli , N Nneka Uchegbu , Jonah C Umeuzuegbu , Ndidi F Amulu
Journal : Biofuels, Bioproducts and Biorefining
Journal Reference count : 41
Volume : 15
Pages : 703-718
2021

Heterogeneously Catalyzed Methanolysis of Gmelina Seed Oil to Biodiesel

Authors : Callistus Nonso Ude , Dominic Okechukwu Onukwuli , Jonah Chukwudi Umeuzuegbu , Chinemelum Chukwujekwu Chukwuka
Journal : Chemical Engineering & Technology
Journal Reference count : 25
Volume : 44
Pages : 65-76
2020

Kinetic modeling of transesterification of gmelina seed oil catalyzed by alkaline activated clay (NaOH/clay) catalyst

Authors : Callistus N. Ude , Okechukwu D. Onukwuli
Journal : Reaction Kinetics, Mechanisms and Catalysis
Journal Reference count : 37
Volume : 127
Pages : 1039-1058
2019

Kinetics of African pear seed oil (APO) methanolysis catalyzed by phosphoric acid-activated kaolin clay

Authors : Okechukwu D. Onukwuli , Callistus N. Ude
Journal : Applied Petrochemical Research
Journal Reference count : 39
Volume : 8
Pages : 299-313
2018

Optimization of biodiesel production from refined cotton seed oil and its characterization

Authors : Dominic Okechukwu Onukwuli , Lovet Nwanneka Emembolu , Callistus Nonso Ude , Sandra Ogechukwu Aliozo , Mathew Chukwudi Menkiti
Journal : Egyptian Journal of Petroleum
Journal Reference count : 9
Volume : 26
Pages : 103-110
2017