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Browsing RP-School of Science and Technology by Author "Ongera, Gilbert"

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Adsorption of anionic dye (Reactive black 5) using macadamia seed Husks: Kinetics and equilibrium studies

Felista, Mutunga M.; Wanyonyi, Wycliffe C.; Ongera, Gilbert (Scientific African, 2020-01)

Adsorption of Reactive black 5 dye currently used in textile industries was investigated using Macadamia Seed Husks (MSH) from a local Macadamia nut processing industry. Adsorption increased with increase in contact time, ...
Determination of Some Heavy Metals in Soils and Vegetables Samples from Kericho West Sub-county, Kenya

Bett, Leonard; Ongera, Gilbert; Wangila, Phanice; Mule, Shadrack (2019-10)

The present study was carried out to investigated the presence of heavy metals (essential and non essential); Pb, Fe, Cu, Mn and Cd in soils and vegetables such as Brassica oleracea, Brassica oleracea Acephala and ...
Physical parameters of tropical wetlands in Lake Victoria basin: a case study of kigwal/kimondi, nyando and nzoia wetlands

Mule, Shadrack; Nguta, Charles; Kamau, Geoffrey; Ongera, Gilbert; Wangila, Phanice; Kiplimo, Joyce; Chirchir, Denis (Environmental & analytical toxicology, 2015)

This study entailed the assessment of physical parameters of selected tropical wetlands within Lake Victoria Basin. The research study measured rainfall, flow rate, turbidity, and pH of Kigwal/Kimondi, Nyando and Nzoia ...
Retention efficiencies of halogenated and non-halogenated hydrocarbons in selected wetland ecosystem in Lake Victoria basin

Mule, Shadrack; Nguta, Charles; Kamau, Goeffrey; Ongera, Gilbert; Wangila, Phanice; Kiplimo, Joyce; Chirchir, Dennis (International Journal of Environment, 2015-05-05)

The determination of retention efficiencies of halogenated and non-halogenated hydrocarbon in selected wetland ecosystems in Lake Victoria basin was carried out. Qualitative and quantitative determination of the presence ...
Utilization of macadamia seed husks as a low-cost sorbent for removing cationic dye (basic blue 3 dye) from aqueous solution

Mutunga, Felista M; Wanyonyi, Wycliffe C; Ongera, Gilbert (Environmental chemistry and ecotoxicology, 2020)

This study examined the possibility of using Macadamia Seed Husks (MSH) as a low-cost sorbent for removal of recal- citrant Basic Blue 3 Dye (BB3). Batch adsorption experiments were performed to evaluate the capability ...

Browsing RP-School of Science and Technology by Author "Ongera, Gilbert"

Browsing RP-School of Science and Technology by Author "Ongera, Gilbert"

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