BIUSTRE

Browsing Research Articles by Title

Browsing Research Articles by Title

Sort by: Order: Results:

  • Pollution status of shooting range soils from Cd, Cu, Mn, Ni and Zn found in ammunition 
    Dinake, Pogisego; Maphane, Onneetse; Sebogisi, Karabo; Kamwi, Obed (Taylor and Francis Group, 2018-09-18)
    Evaluation of concentration of heavy metals found in shooting range soil is important in assessing the pollution risk posed to biota. Soil samples from five shooting ranges found in Botswana were used in this study. All ...
  • The potency of monoethanolamine in biogas purification and upgrading 
    Maile, Olivia Ireen; Tesfagiorgis, Habtom; Muzenda, Edison (Institution of Chemical Engineers ,Published by Elsevier, 2017-12)
    Biogas has been exploited as one of the alternative sources of renewable energy having the potential to replace fossil fuels. It contains impurities when raw, as it consists of 50e70% methane (CH4), 30e50% carbon dioxide ...
  • Potential for treating sewage wastewater using sewage sludge biochar 
    Manyuchi, Musaida Mercy; Mbohwa, Charles; Muzenda, Edison (Covenant Journal of Physical and Life Sciences, 2018-03)
    In this study, activated biochar from municipal sewage sludge was used for the treatment of sewage water. The sewage physicochemical parameters were measured before and after bio filtration with biochar applying the principle ...
  • Power quality improvement in solar fed cascaded multilevel inverter with output voltage regulation techniques 
    Stonier, Albert Alexander; Murugesan, Srinivasan; Samikannu, Ravi; Venkatachary, Sampath Kumar; Kumar, Senthil S.; Arumugam, Prakash (Institute of Electrical and Electronics Engineers (IEEE), 2020-09-29)
    The presence of harmonics in solar Photo Voltaic (PV) energy conversion system results in deterioration of power quality. To address such issue, this paper aims to investigate the elimination of harmonics in a solar fed ...
  • Prediction of genes that function in methanogenesis and CO2 pathways in extremophiles 
    Tilahun, Lulit; Asrat, Asfawossen; Wessel, Gary M.; Simachew, Addis (MDPI, 2021-10-24)
    Gaet’ale (GAL) and Mud’ara (MUP) are two hypersaline ponds located in the Danakil Depression recharged by underground water from the surrounding highlands. These two ponds have different pH, salinity, and show variation ...
  • A preliminary application of a machine learning model for the prediction of the load variation in three-point bending tests based on acoustic emission signals 
    Kaklis, Kostas; Saubi, Onalethata; Jamisola, Rodrigo S; Agioutantis, Zach G (Elsevier B.V., 2021)
    The load variation during three-point bending (TPB) tests on prismatic Nestos (Greece) marble specimens instrumented by piezoelectric sensors is predicted using acoustic emission (AE) signals. The slope of the cumulative ...
  • Processing and characterization of chalcopyrite (CuFeS2) sample from Botswana 
    Poloko, Nenguba; Danha, Gwiranai; Gaogane, Tshepho (Elsevier B.V., 2019)
    Beneficiation of chalcopyrite and most minerals in general requires specific conditions and raw materials based on characteristics of the mineral to optimize processing hence income. Therefore characterization of minerals ...
  • Production of activated carbon from poultry feathers for waste water treatment 
    Chiramba, Rue; Charis, Gratitude; Fungura, Nonhlanhla; Danha, Gwiranai; Mamvura, Tirivaviri Augustine (IWA Publishing, 2019)
    Contamination of water bodies by heavy metal ions is a challenge many developing nations like Zimbabwe face, with negative environmental and socio-economic repercussions. Treating affected bodies usually requires a costly ...
  • Projected changes in meteorological drought over East Africa inferred from bias‑adjusted CMIP6 models 
    Ayugi, Brian; Shilenje, Zablon Weku; Babaousmail, Hassen; Sian, Kenny Lim Kam; Mumo, Richard; Dike, Victor Nnamdi; Iyakaremye, Vedaste; Chehbouni, Abdelghani; Ongoma, Victor (Springer Nature, 2022-04-09)
    The ongoing global warming has caused unprecedented changes in the climate system, leading to an increase in the intensity and frequency of weather and climate extremes. This study uses the sixth phase of Coupled Model ...
  • Projection of extreme temperature events over the Mediterranean and Sahara using bias-corrected CMIP6 Models 
    Babaousmail, Hassen; Ayugi, Brian; Rajasekar, Adharsh; Zhu, Huanhuan; Oduro, Collins; Mumo, Richard; Ongoma, Victor (Multidisciplinary Digital Publishing Institute, 2022-05-06)
    Climate change continues to increase the intensity, frequency and impacts of weather and climate extremes. This work uses bias-adjusted Coupled Model Intercomparison Project Phase six (CMIP6) model datasets to investigate ...
  • Recovering phosphorus as struvite from anaerobic digestate of pig manure with ferrochrome slag as a magnesium source 
    Moyo, L.B.; Simate, G.S.; Mamvura, T.A.; Danha, Gwiranai (Elsevier Ltd, 2023-04)
    The circular economy initiative has driven the agriculture and agro-based industry to beneficiate from waste,thus closing the material loop towards enhancing economic and environmental performance. In this study, the aim ...
  • Reference frame independent twin field quantum key distribution with source flaws 
    Sekga, Comfort; Mafu, Mhlambululi (IOP Publishing Ltd, 2021-04-14)
    The trade-off between distance and secret key generation rate remains one of the major challenges in the practical implementation of quantum key distribution (QKD). As a solution, a twin field QKD protocol was proposed by ...
  • Relative gottlieb groups of embeddings between complex grassmannians 
    Gatsinzi, Jean Baptiste (Hindawi Limited, 2021-11-15)
    Let Grk,n be the complex Grassmann manifold of k-linear subspaces in ℂn. We compute rational relative Gottlieb groups of the embedding i:Grk,n Grk,n+r and show that the G-sequence is exact if r≥kn-k.
  • Repository assessment AAU/BIUST open access week 2020 
    Lebele, Ayanda Agnes (Botswana International University of Science and Technology, 2020-10-20)
    To map the Botswana IR case while also soliciting for global support in advocacy for open access of Botswana, Africa’s research output.
  • Review of dual axis solar tracking and development of its functional model 
    Mpodi, Emmanuel Karabo; Tjiparuro, Zeundjua; Matsebe, Oduetse (Elsevier B.V., 2019)
    The use of solar energy is in the upswing due to its environmental friendliness and abundance. That notwithstanding, efficiency remains a major problem in many of the applications. Mitigation is normally in the form of ...
  • A review of ironmaking by direct reduction processes: quality requirements and sustainability 
    Ramakgala, Comfort; Danha, Gwiranai (Elsevier B.V., 2019)
    Currently the majority of the world’s steel is produced through either one of the two main routes; the integrated Blast Furnace – Basic Oxygen Furnace (BF – BOF) route or the Direct Reduced Iron - Electric Arc Furnace (DRI ...
  • A review of the desulphurization methods used for pyrolysis oil 
    Serefentse, Ratanang; Ruwona, Wiseman; Danha, Gwiranai; Muzenda, Edison (Elsevier B.V., 2019)
    In this article we review the different methods that are used for the desulphurization of pyrolysis oil obtained from used tyres. A lot of research has been done on desulphurization of crude oil and its derivatives, mostly ...
  • A review of timber waste utilization: challenges and opportunities in Zimbabwe 
    Charis, Gratitude; Danha, Gwiranai; Muzenda, Edison (Elsevier B.V., 2019)
    This paper is a case study review of the timber waste problem and solutions that have been proffered in the Manicaland region of Zimbabwe. The study was conducted through primary data collected during site visits and a ...
  • A review on Botswana coal potential from a pyrolysis and gasification perspective 
    Makoba, Mmoloki; Botha, Daniel Erich; Rapoo, Mpho Thabang; Szabó, László Zsolt; Shomana, Thapelo; Agachi, Paul Serban; Muzenda, Edison (Faculty of Chemical Technology and Biotechnology of the Budapest University of Technology and Economics., 2021)
    Coal pyrolysis and gasification are promising options for the future of Botswana as the country has large coal reserves with severe limitations in terms of export options. Coal characterization facilities will be required ...
  • A review on drones controlled in real-time 
    Kangunde, Vemema; Jamisola, Rodrigo S.; Theophilus, Emmanuel K. (Springer Nature Switzerland, 2021-01-05)
    This paper presents related literature review on drones or unmanned aerial vehicles that are controlled in real-time. Systems in real-time control create more deterministic response such that tasks are guaranteed to be ...

Search BIUSTRE


Browse

My Account