Tharaka University repository: Recent submissions
Now showing items 61-80 of 4264
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Modelling Fluid Flow in Zone 1 of an Open Horseshoe Channel with Lateral Inflow Channels
(Journal of Advances in Mathematics and Computer Science, 2024)For many years, flooding has been a significant issue, especially after heavy rainfall. Engineers have constructed channels to direct water into rivers, lakes, and oceans, aiming to mitigate flooding. The challenge lies ... -
Modelling Fluid Flow in Zone 2 of an Open Horseshoe Channel with Lateral Inflow Channels
(Journal of Advances in Mathematics and Computer Science, 2024)Flooding has been a problem for a long time, especially after heavy rains. Channels constructed to lessen floods are used to move water into rivers, lakes, and the ocean. Engineers have been faced with the challenge of ... -
A unified swelling potential index for expansive soils
(ScienceDirect, 2003)Soil swelling is a term generally applied to the ability of a soil to undergo large changes in volume due to increased moisture content. Several commonly used swelling potential indices, namely Atterberg limits, coefficient ... -
Assessment of Land Use and Land Cover Change Using GIS and Remote Sensing Techniques: A Case Study of Makueni County, Kenya
(Journal of Remote Sensing & GIS, 2016)The surface of the earth is undergoing rapid land-use/land-cover (LULC) changes due to various socioeconomic activities and natural phenomena. The main aim of this study was to gain a quantitative understanding of land use ... -
Mineralogical and Geochemical Characterisation of Rocks and Geothermal Fluids in the Olkaria Geothermal Field, Kenya: Potential for Epithermal Deposits
(International Journal of Geosciences, 2024)The Kenyan Olkaria geothermal field has incredibly high geothermal potential in the East African Rift, the Kenyan Rift Valley. While the Olkaria geothermal area has been primarily attributed to electricity generation and ... -
Cation Exchange Capacity (CEC) determination from spectroscopy
(International Journal of Remote Sensing, 2010)Swelling soils are a major engineering problem and their detection is one of the most important site investigation undertakings in the construction industry. Methods of their detection have been developed over the years, ... -
Mapping of surface hydrothermal mineral alterations and geological structures related to geothermal systems in the Songwe region, SW Tanzania
(Taylor and Francis Group, 2023)that it produces sustainable, dependable, and clean energy. Understanding the geothermal systems, parameters such as heat, fluids, and structures help to identify potential geothermal systems. These parameters are manifested ... -
Analysis of Copper Deposits in Maragwa Location in Tharaka Nithi County – Kenya
(American Journal of Materials Science, 2022)A primary obstacle to some developing countries like Kenya is the reliance on agriculture when they are endowed with bulk of some mineral resources like copper. The economies of some developed and developing countries ... -
Beneficiation of Iron in Thermal-Reduced Ilmenite by Magnetic Separation
(International Journal of Science and Research (IJSR), 2015)Increasing demands for Iron in countries development, and lack of conventional reducing agents has resulted into sourcing of alternative ways of beneficiating the iron ore. This paper reports on the study that was done to ... -
Magnetic Concentration of Iron in Lateritic Soils from Kamahuha, Murang’a County, in Kenya using Carbon Monoxide Generated In-Situ
(International Journal of Scientific Engineering and Technology, 2014)Chemical and Mineral Analyses of laterites from selected sites in Kamahuha area of Murang’a County, in the Republic of Kenya, have been carried out with particular interest in the levels of iron and the type of minerals ... -
Effects of Temperature on Ilmenite During Concentration of Iron in Laterites Using Charcoal and Separation using Magnetic Separation
(International Journal of Scientific Engineering and Technology, 2014)Effect of temperature on ilmenite minerals found in laterites has been investigated. It was found that during reduction of iron minerals in laterites to magnetite using charcoal at temperatures of about 500-700oC, ilmenite ... -
Copper Extraction Using Aluminum in Acidic Leachate Media
(IISTE, 2020)Copper is found in several minerals with varied elemental composition. For instance, copper minerals occur as chalcopyrite (CuFeS2), bornite (Cu5FeS4), chalcocite (Cu2S), covellite (CuS), cuprite oxide (Cu2O), and malachite ... -
Lithological Deformation And Its Effect On Mineralization In Migori Greenstone Belt, Kenya
(IOSR Journal of Applied Geology and Geophysics (IOSR-JAGG), 2023)Migori Greenstone Belt, located on the western part of Kenya is considered as one of the major gold fields in Kenya. It’s mineralization is believed to occur a long a system of veins. With the continuous extraction of ... -
Demarcating Productive Parts of Migori Greenstone Belt using Edge Detection Techniques
(Journal of Geology & Geophysics, 2021)Edge detection is one of the enhancement procedures in potential data interpretation. A number of edge detection methods can be applied in the interpretation of gravity data, the choice of the method depends on the estimated ... -
Geo-Electric Investigation of Flammable Natural Gas in Kipeto Area, Kajiado County in Kenya
(Journal of Geology & Geophysics, 2022)Vertical Electrical Sounding (VES) survey using Schlumberger electrode configuration was employed in Kipeto area, Kajiado County with an objective to determine the extent of natural flammable natural gas and to characterize ... -
Power Spectral Analysis and Edge Detection of Magnetic Data of Migori Greenstone Belt, Kenya
(IOSR Journal of Applied Geology and Geophysics, 2018)With the continuous extraction of minerals in Migori greenstone belt, exploration is currently evolving from surface based exploration to subsurface exploration. This necessitates a good understanding of the geophysical ... -
Concentration of Rutile Using Thermally Heated Mixture of Low Grade Ilmenite Ores with Biomass from Maragwa Location in Tharaka Nithi County Kenya
(International Journal of Materials and Chemistry, 2022)The mineral data from Kenya shows several deposits of low grade titanium yet the country has been importing titanium products. Some regions of Tharaka Nithi County contain titanium minerals. These deposits have never been ... -
Impure Hydrazone Preparation from Chicken Dung
(IISTE, 2020)Hydrazones are strong reducing agents. Some hydrazones like hydrazine are is highly toxic and unstable and are therefore found dissolved in water. Chicken dung contains amines and uric acid that are potential sources of ... -
Monitoring the extraction of copper from chicken dung leachate using an aluminium electrode as an indicator
(ScienceDirect, 2019)Copper is found in several minerals in the earth's crust with varying the elemental and mineralogical composition.Several techniques of extraction have been investigated all in the effort of obtaining a cheaper and viable ... -
Copper extraction by wet chemical method
(Journal of Sustainable Mining, 2018)In many countries large deposits of copper with no locally established copper based industries occur because known methods for extraction are prohibitively expensive and unaffordable. This study reports on an affordable ...