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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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    Thermal Performance Analysis of Solar Dryer Integrated with Heat Energy Storage System and a Low-Cost Parabolic Solar Dish Concentrator for Food Preservation 

    Missana, Wenceslaus; Park, Eugene; Kivevele, Thomas (Hindawi, 2020-07-30)
    Solar energy has become a viable alternative energy because it is a clean type of energy that converts solar radiation into heat energy for various applications such as heating water, power generation, cooking, and food ...
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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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    Ionic liquids based on 1-ethyl-3-methylimidazolium cation and anions of tetrafluoroborate and bis(trifluoromethylsulfonyl)imide: Structural and thermodynamic properties by DFT study 

    Chengula, Plassidius J.; Pogrebnaya, Tatiana P.; Pogrebnoi, Alexander M. (Elsevier B.V., 2020-02-01)
    The theoretical study of neutral ion pairs of 1-ethyl-3-methylimidazolium tetrafluoroborate ([EMIM][BF4]) and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ([EMIM][NTf2]) has been performed. The formation ...
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    Estimating Conveyance Efficiency and Maize Productivity of Traditional Irrigation Systems in Usa River Catchment, Tanzania 

    Haymale, Humuri; Njau, Karoli; Kahimba, Frederick (Hindawi, 2020-07-30)
    Estimating the conveyance efficiency of traditional irrigation schemes systems is very important. It is because of understanding the volume of water lost along with the transportation facility, enhancing water usage and ...
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    Tuning optoelectronic properties of triphenylamine based dyes through variation of pi-conjugated units and anchoring groups: A DFT/TD-DFT investigation. 

    Deogratias, Geradius; Seriani, Nicola; Pogrebnaya, Tatiana; Pogrebnoi, Alexander (Elsevier Inc., 2020-01-01)
    Dye-sensitized solar cells (DSSCs) have attracted widespread attention due to their unique features. In the present work, molecular engineered triphenylamine based dyes featuring donor-bridge-acceptor architecture have ...
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    Lawsone isomers, lawsone ether and bilawsone for dye-sensitized solar cells applications: DFT and UV-Vis studies. 

    Makoye, Amosi; Pogrebnoi, Alexander; Pogrebnaya, Tatiana (Elsevier Inc., 2020-01-01)
    Structural and optoelectronic properties of lawsone (L), lawsone ether (LE) and bilawsone (BL) were studied theoretically using the DFT and time-dependent DFT methods with hybrid functional B3LYP5 and 6-311G (2d,p) basis ...
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    Column design for groundwater hardness removal using cashew nut shells activated carbon with potential application in low-income communities 

    Mwakabole, Emmanuel; Rwiza, Mwemezi; Njau, Karoli (2020-01)
    tigated. Water hardness has a significant impact on groundwater, especially in arid and semi-arid regions, leading to wasted investments in borehole drilling and worsening accessibility to potable water. In many developing ...
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    Release Kinetic Models of Vanillin and Physicomechanical Properties of Thermoplastic Starch and Chitosan Nanocomposite Films: Effects of Mixing Order 

    Mlalila, Nichrous; Hilonga, Askwar; Kaale, Lilian; Swai, Hulda (Springer Nature Switzerland AG., 2020-02-20)
    The effects of mixing sequence of starch–chitosan nanocomposite films on antimicrobial properties of vanillin, the release kinetics of vanillin, and physicomechanical changes of films have been reported. Four types of films ...
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    LPG-Fueled Vehicles: An Overview of Technology and Market Trend 

    Kivevele, Thomas; Raja, Thirunavukkarasu; Pirouzfar, Vahid; Waluyo, Budi; Setiyo, Muji (Automotive Experiences, 2020)
    This article presents an overview of the technology status and market trends of LPG-fueled vehicles through the literature approach to re-evaluate their future. In the review, it is discovered that LPG vehicles are ...
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    AuthorMachunda, Revocatus (71)Kivevele, Thomas (67)Rwiza, Mwemezi (61)Njau, Karoli (56)Mtei, Kelvin (48)Jande, Yusufu (41)Hilonga, Askwar (23)Komakech, Hans (22)Selemani, Juma (20)Bayuo, Jonas (15)... View MoreSubjectNATURAL SCIENCES (102)TECHNOLOGY (22)FORESTRY, AGRICULTURAL SCIENCES and LANDSCAPE PLANNING (14)Adsorption (9)Wastewater (8)Anaerobic digestion (7)Biogas (5)Aquatic ecosystem (4)Capacitive deionization (4)Climate change (4)... View MoreDate Issued2024 (91)2020 (84)2021 (81)2023 (80)2022 (67)Has File(s)Yes (403)

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