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    Performance of Sweet Potato’s Leaf-Derived Activated Carbon for Hydrogen Sulphide Removal from Biogas 

    Juma, Geni; Machunda, Revocatus; Pogrebnaya, Tatiana (Hindawi, 2020-03-01)
    In this study, sweet potato leaf activated carbon (SpLAC) was prepared by the chemical activation method using KOH and applied as an adsorbent for H2S removal from biogas. The study focused on the understanding of the ...
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    The influence of stereochemistry of the active compounds on fluoride adsorption efficiency of the plant biomass 

    Mwakabona, Hezron; Machunda, Revocatus; Njau, Karoli (Science Publishing Group, 2014-08-20)
    Several studies have reported various defluoridation capabilities of plant biomasses. The resultant variations in fluoride removal capacities are associated with the presence of different types of active functional groups ...
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    Water hardness removal by coconut shell activated carbon 

    Rolence, Cecilia; Machunda, Revocatus; Njau, Karoli (Science Publishing Group, 2014-08-30)
    The present study reports the water softening by adsorption of hardness ions onto Coconut Shell Activated Carbons (CSAC). Characterization of CSAC was identified by FT-IR and SEM techniques. Batch experiments were ...
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    Influence of Macrophyte Types towards Agrochemical Phytoremediation in a Tropical Environment 

    Lema, Emmy; Machunda, Revocatus; Njau, Karoli (International Journal of Engineering Research and General Science, 2014-09)
    The presence of agrochemicals waste water from agricultural fields poses major environmental and human health problems which may be solved by phytoremediation technologies. Phytoremediation is the use of plants to remediate ...
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    Potentials of agric wastes activated carbons for water softening 

    Rolence, Cecilia; Machunda, Revocatus; Njau, Karoli (Research Journal in Engineering and Applied Sciences, 2014)
    Various studies have been conducted to address softening of hard water. Ion exchange, electro-based techniques, membrane filtration and adsorption are the most reported techniques in softening hard water. In the present work, ...
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    Plant biomasses for defluoridation appropriateness : unlocking their potentials 

    Mwakabona, Hezron; Said, Mateso; Machunda, Revocatus; Njau, Karoli (Research Journal in Engineering and Applied Sciences, 2014)
    Fluoride and fluorosis are endemic to many countries including Tanzania. Performances of different materials for use in water defluoridation systems have been reported. Some of these materials are; alum, oxides and hydroxide ...
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    Removal of Hydrogen Sulfide from Biogas Using a Red Rock 

    Mrosso, Register; Machunda, Revocatus; Pogrebnaya, Tatiana P. (Hindawi, 2020-01-27)
    The potential of red rock (RR) materials for the removal of H2S from biogas was studied. The rock samples were collected, sieved, and organized in various particle size ranges such as 0.32-250 μm, 250-500 μm, 500-750 μm, ...
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    Water quality in earthen dams and potential health impacts: case of Nadosoito Dam, Tanzania 

    Eliakimu, Naziel; Machunda, Revocatus; Njau, Karoli (IWA Publishing, 2018-09-01)
    The aim of the study was to assess seasonal water quality variations in an earthen dam and their potential impact on the health of those using the water for domestic purposes. High values of chemical oxygen demand, from ...
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    Agrochemicals use in horticulture industry in Tanzania and their potential impact to water resources 

    Lema, Emmy; Machunda, Revocatus; Njau, Karoli (International Journal of Biological and Chemical Sciences, 2014-04)
    The objective of this review was to analyze the existing information on the use of agrochemicals (Fertilizers and Pesticides) in the Tanzanian horticulture industry especially the Northern regions and their potential to ...
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    A review on strategies to optimize metabolic stages of anaerobic digestion of municipal solid wastes towards enhanced resources recovery 

    Richard, Edwin; Hilonga, Askwar; Machunda, Revocatus; Njau, Karoli (BioMed Central Ltd, 2019-12-17)
    Recently, there are increased efforts by municipals and researchers to investigate the potential of utilizing municipal solid wastes (MSW) for resources recovery. In many parts of developing countries, MSW is mostly collected ...
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    Machunda, Revocatus (121)
    Njau, Karoli (35)Rwiza, Mwemezi (21)Mtei, Kelvin (19)Hilonga, Askwar (15)Ripanda, Asha (15)Jande, Yusufu (14)Nyanza, Elias (13)Bakari, Ramadhani (9)Komakech, Hans (8)... View MoreSubjectNATURAL SCIENCES (16)Aquatic ecosystem (4)Biogas (4)Ecological impacts (4)Environmental health (4)Human health risks (4)Microplastic pollution (4)Antibiotics (3)Constructed wetland (3)Defluoridation (3)... View MoreDate Issued2020 - 2025 (81)2011 - 2019 (40)Has File(s)
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