Characterization of amorphous silicon nitride prepared from sand and coffee husk wastes by carbothermal reduction-nitridation

SN Ndung'u, EW Nthiga, RN Wanjau - 2023 - repository.dkut.ac.ke
The continued coffee demand in Kenya has amplified the generation of its husk wastes
causing disposal problems. This has led to serious pollution to the environment. Therefore …

A Cheaper and Greener Approach for the Synthesis of Highly Pure Silicon Carbide Composites Using Coffee Husk Wastes

SN Ndung'u, EW Nthiga, RN Wanjau, AM Ndiritu - 2024 - repository.dkut.ac.ke
The extensive use of silicon carbide in many fields such as in abrasives, structural materials,
refractories, electronic components, and nuclear reactors amongst others demands for an …

Spectroscopic analysis of Crescent Island Crater sand from Lake Naivasha, Kenya by XRF, FT-IR and XRD

EW Nthiga, RN Wanjau - 2024 - repository.dkut.ac.ke
The present work investigates the chemical properties of natural sand obtained from
Crescent Island Crater in Lake Naivasha catchment, Kenya. Fourier Transform Infra-Red (FT …