[HTML][HTML] Assessment of Owhe kaolinite as potential aluminium source in hydrochloric acid and hydrogen peroxide solutions: kinetics modeling and optimization

IA Nnanwube, M Keke, OD Onukwuli - Cleaner Chemical Engineering, 2022 - Elsevier
In this study, the effectiveness of hydrochloric acid and hydrogen peroxide binary solution as
lixiviant for alumina recovery from Owhe kaolinite is investigated by kinetic and optimization …

Optimization of zinc recovery from sphalerite using response surface methodology and particle swarm optimization

OD Onukwuli, IA Nnanwube - Periodica Polytechnica Chemical …, 2022 - pp.omikk.bme.hu
Hydrometallurgical leaching process has been identified as a viable procedure for
recovering metals of value from their matrices. The optimization of zinc recovery from …

[HTML][HTML] DFT, Experimental and Optimization Studies on the Corrosion Inhibition of Aluminium in H2SO4 with Danacid as inhibitor

OD Onukwuli, IA Nnanwube, FO Ochili… - Results in Engineering, 2024 - Elsevier
The inhibitive action of expired danacid toward the dissolution of aluminium in 1 MH 2 SO 4
was examined in this study via gravimetric, electrochemical, and theoretical method via …

Investigation of the machining performance of ferritic ductile cast iron in WEDM using response surface methodology

K Aydın, L Uğur, S Güvercin, F Gül - Sigma Journal of Engineering …, 2022 - dergipark.org.tr
Wire electrical discharge machining (WEDM) technology is a special electrothermal
processing method that can precisely production of parts with variable stiffness with sharp …

[PDF][PDF] Optimization of Beta Carotene Production from Maize and Moringa Leaves

JC Mbah, IA Nnanwube… - J. Mater. Environ. Sci., 15 …, 2024 - jmaterenvironsci.com
This work aimed at producing beta carotene, a vitamin supplement that supplies nutritional
benefit to supplement the fruits and vegetables. In the study, the beta carotene was extracted …

Modelling and optimisation of zinc recovery from sphalerite using response surface methodology.

I Nnanwube, J Udeaja, O Onukwuli… - … Journal of Science …, 2020 - search.ebscohost.com
The effectiveness of a binary solution of acetic acid and sodium nitrate as a lixiviant for zinc
recovery from sphalerite has been investigated in this study. Response surface methodology …

Assessing the Efficiency of Danacid as Corrosion Inhibitor for Aluminium in HCl Medium: Experimental, Theoretical and Optimization Studies

OD Onukwuli, IA Nnanwube, FO Ochili… - … and Optimization Studies - papers.ssrn.com
The present study examined the corrosion protection of aluminium in 1M HCl using expired
danacid as inhibitor using techniques such as gravimetric, electrochemical, and density …

Investigating the inhibitory mechanism of aluminium corrosion in 1 M HCl with clarithromycin via experimental, theoretical and optimization approach

OD Onukwuli, IA Nnanwube, FO Ochili… - Theoretical and … - papers.ssrn.com
Corrosion inhibition effect of expired clarithromycin for aluminium in 1M HCl was examined
using weight loss, electrochemical, theoretical and optimization methods. Inhibitor …

[PDF][PDF] Ikechukwu Nnanwube, Judith Udeaja 2, Okechukwu Onukwuli 2, Victor Ugonabo 2 and

C Uwaleke - mijst.mju.ac.th
The effectiveness of a binary solution of acetic acid and sodium nitrate as a lixiviant for zinc
recovery from sphalerite has been investigated in this study. Response surface methodology …