[HTML][HTML] Characterization and kinetics of alumina leaching from calcined Akpugo kaolinite for potential aluminum recovery
IA Nnanwube, OD Onukwuli - South African Journal of Chemical …, 2023 - Elsevier
The kinetics study on alumina leaching from calcined Akpugo kaolinite was considered in
this study. The shrinking core model and other relevant kinetic models were used for kinetic …
this study. The shrinking core model and other relevant kinetic models were used for kinetic …
[HTML][HTML] Assessment of Owhe kaolinite as potential aluminium source in hydrochloric acid and hydrogen peroxide solutions: kinetics modeling and optimization
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 …
lixiviant for alumina recovery from Owhe kaolinite is investigated by kinetic and optimization …
Assessment of Amagunze microcline for alumina recovery in nitric acid and hydrogen peroxide solutions and kinetic study
IA Nnanwube, OD Onukwuli… - Canadian Metallurgical …, 2023 - Taylor & Francis
The leaching of alumina from Amagunze microcline in nitric acid/hydrogen peroxide binary
solution was examined in this study. The parameters considered in the study include …
solution was examined in this study. The parameters considered in the study include …
[HTML][HTML] Kinetics of Owhe kaolinite leaching for alumina recovery in hydrochloric acid solution
Recovery of alumina from kaolinite presents a sustainable alternative to its recovery from
bauxite, a major source of alumina which is depleting in quantity globally. Owhe kaolinite …
bauxite, a major source of alumina which is depleting in quantity globally. Owhe kaolinite …
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 …
recovering metals of value from their matrices. The optimization of zinc recovery from …
Oxidative leaching of Akpugo Kaolinite for alumina recovery and kinetic modeling
IA Nnanwube, OD Onukwuli - Journal of Sustainable Metallurgy, 2022 - Springer
In this work, the kinetics of alumina recovery from Akpugo kaolinite in nitric acid and
hydrogen peroxide binary solution are investigated. Parameters considered in the study …
hydrogen peroxide binary solution are investigated. Parameters considered in the study …
Kinetics of sphalerite dissolution for potential zinc recovery via oxidative leaching
IA Nnanwube, OD Onukwuli… - Canadian Metallurgical …, 2024 - Taylor & Francis
In this study, the leaching of zinc from sphalerite in nitric acid (HNO3)/hydrogen peroxide
(H2O2) binary solution was examined via kinetic study. The result showed that the amount of …
(H2O2) binary solution was examined via kinetic study. The result showed that the amount of …
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 …
recovery from sphalerite has been investigated in this study. Response surface methodology …
[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 …
recovery from sphalerite has been investigated in this study. Response surface methodology …