Adsorptive and photocatalytic remediation of hazardous organic chemical pollutants in aqueous medium: A review

AO Adeola, BA Abiodun, DO Adenuga… - Journal of Contaminant …, 2022 - Elsevier
The provision of clean water is still a major challenge in developing parts of the world, as
emphasized by the United Nation Sustainable Development Goals (SDG 6), and has …

[HTML][HTML] Sustainable re-utilization of waste materials as adsorbents for water and wastewater treatment in Africa: Recent studies, research gaps, and way forward for …

EC Ngeno, KE Mbuci, MC Necibi, VO Shikuku… - Environmental …, 2022 - Elsevier
Access to clean water is a fundamental human right. However, due to the rapid urbanization
and industrialization in many African countries, the emergence of a plethora of new classes …

Synthesis of pozzolan and sugarcane bagasse derived geopolymer-biochar composites for methylene blue sequestration from aqueous medium

HT Dzoujo, VO Shikuku, S Tome, S Akiri… - Journal of …, 2022 - Elsevier
In this study, four pozzolan-based geopolymers GP 0, GP 5, GP 10, and GP 20 were
synthesized by alkaline activation and by substituting 0, 5, 10, and 20% of the precursor with …

Synthesis, characterization and application of acid and alkaline activated volcanic ash-based geopolymers for adsorptive remotion of cationic and anionic dyes from …

S Tome, DT Hermann, VO Shikuku, S Otieno - Ceramics International, 2021 - Elsevier
In this work, two geopolymers were prepared by acid activation (GPAc) and alkaline
activation (GPAl) approaches using volcanic ash (VA) as the precursor material. The …

[HTML][HTML] Recent advances and issues in the application of activated carbon for water treatment in Africa: a systematic review (2007–2022)

JB Njewa, VO Shikuku - Applied Surface Science Advances, 2023 - Elsevier
Access to clean water remains a challenge in many parts of Africa. This is compounded by
the increasing pollution levels with increasing population and industrialization. Activated …

Application of carbon from pomegranate husk for the removal of ibuprofen, cadmium and methylene blue from water

ND Shooto - Heliyon, 2023 - cell.com
The presence of pharmaceutical products, dyes, and toxic metal ions in water is a major
problem worldwide. This work developed low-cost pomegranate-based materials to uptake …

Efficient sequestration of malachite green in aqueous solution by laterite-rice husk ash-based alkali-activated materials: parameters and mechanism

S Tome, V Shikuku, HD Tamaguelon, S Akiri… - … Science and Pollution …, 2023 - Springer
In this work, laterite (LA) and rice husk ash (RHA)-based alkali-activated materials (AAMs)
with varying% RHA contents (0, 5, 10, 15, and 20%) were prepared for the removal of …

Removal of endosulfan from water by municipal waste incineration fly ash-based geopolymers: Adsorption kinetics, isotherms, and thermodynamics

I Luttah, DO Onunga, VO Shikuku, B Otieno… - Frontiers in …, 2023 - frontiersin.org
Alkali-activated municipal waste incineration fly ash (MWFA)-based geopolymers (GPA,
GPB, and GPC) were synthesized under different sodium silicate to sodium hydroxide …

Response Surface Methodology Directed Modeling of the Biosorption of Progesterone onto acid activated Moringa oleifera seed biomass: Parameters and …

E Ngeno, R Ongulu, V Shikuku, D Ssentongo, B Otieno… - Chemosphere, 2024 - Elsevier
In this study, chemically activated fat-free powdered Moringa oleifera seed biomass (MOSB)
was synthesized, characterized, and utilized as a cost-effective biosorbent for the abstraction …

Enhanced performance of hydrogen peroxide modified pozzolan-based geopolymer for abatement of methylene blue from aqueous medium

DT Hermann, S Tome, VO Shikuku, JB Tchuigwa… - Silicon, 2022 - Springer
Pozzolan-based eco-adsorbents were synthesized by geopolymerization with addition of
hydrogen peroxide (H2O2) with mass ratios 0%(GP0) and 1%(GP1) and the products used …