• Capacitive deionization for the removal of paraquat herbicide from aqueous solution 

  Alfredy, Tusekile; Elisadiki, Joyce; Abeid Chande Jande, Yusufu (Adsorption Science & Technology, 2021-10-08)

  In comparison to other conventional methods like adsorption and reverse osmosis (RO), capacitive deionization (CDI) has only been investigated extensively for the removal of inorganic pollutants from water, demonstrating ...
• Electrospun carbon nanofibers for use in the capacitive desalination of water 

  K. Tarus, Bethwel; A. C. Jande, Yusufu; N. Njau, Karoli (New Carbon Materials, 2022-12-15)

  Capacitive deionization (CDI) has rapidly become a promising approach for water desalination. The technique removes salt from water by applying an electric potential between two porous electrodes to cause adsorption of ...
• Remediation of Soils Contaminated by Fluoride Using a Fermentation Product of Seaweed (Eucheuma cottonii) 

  Lorivi Moirana, Ruth; Mkunda, Josephine; Paradelo, Marcos; Machunda, Revocatus; Mtei, Kelvin (Applied and Environmental Soil Science, 2022-10-03)

  This study investigated the efficacy of fermented seaweed (Eucheuma cottonii) on the remediation of fluoride-contaminated soil. The soil was amended with either 1.25, 3.0, or 5.0% (w/w) fermented seaweed (FSW), parallel ...
• Hydroxyapatite-activated seaweed biochar for enhanced remediation of fluoride contaminated soil at various pH ranges 

  Lorivi Moirana, Ruth; Mkunda, Josephine; Machunda, Revocatus; Paradelo, Marcos; Mtei, Kelvin (Environmental Advances, 2022-12-10)

  This study investigated the defluoridation efficiency of hydroxyapatite-activated seaweed (Eucheuma Cottonii) biochar (HSB) at various soil pH ranges (3–11) while monitoring the impact of contact time (30 min - 2.5 h), ...
• Photocatalytic degradation of azo dyes in textile wastewater by Polyaniline composite catalyst-a review 

  Oyetade, Joshua Akinropo; Machunda, Revocatus Lazaro; Hilonga, Askwar (Scientific African, 2022-09)

  Azo dyes in industrial textile and dye effluent (5–30%) have become irresistibly recalcitrant and toxic to both treatments and the environment respectively. Global concerns about the persistent nature of these dyes and the ...
• Assessment of the Impact of Environment Protection in Rwanda: A Case Study of Rugezi Marshland 

  Ntabakirabose, Gaspard; Ogwal, Harold; Habinshuti, Jean Baptiste; Protais, Musoni; Jeanne Pauline Munganyinka, Jeanne Pauline Munganyinka; Mburu, David Mwehia (NASS Journal of Agricultural Sciences, 2022-01)

  Environmental protection is one of the most important measures to achieve the long run and sustainability of living organisms in the world. The study was conducted in Burera and Gicumbi districts with the main aim of ...
• Physico-chemical studies and mineralogical characterisation of clays for ceramic raw materials 

  Afolayan, David Oluwasegun; Gbetoglo, Charles Komadja; Azikiwe, Peter Onwualu  (Arabian Journal of Geosciences, 2022-07-24)

  The use of clay for ceramic application and the quality of ceramic products has been reported in the literature. Such scientific information has helped to improve the quality of ceramic products. However, the concept is ...
• New approach for assessing uniaxial compressive strength of rocks using measurement from nanoindentation experiments 

  Gbétoglo, Charles Komadja; Tido Tiwa, Stanislas; Munganyinka, Pauline; Anye, Vitalis; Prasad Pradhan, Sarada; Adebayo, Babatunde; Azikiwe Peter, Onwualu (Bulletin of Engineering Geology and the Environment, 2022-07-05)

  The uniaxial compressive strength (UCS) of rocks is an essential input parameter for engineering design in mining and civil engineering. This research aimed to investigate the relationship between nano-mechanical properties ...
• Assessing Ground Vibration Caused by Rock Blasting in Surface Mines Using Machine-Learning Approaches: A Comparison of CART, SVR and MARS 

  Gbétoglo, Charles Komadja; Rana, Aditya; Adissin Glodji, Luc; Anye, Vitalis; Jadaun, Gajendra; Azikiwe Onwualu, Peter; Sawmliana, Chhangte (Sustainability, 2022-08-10)

  Ground vibration induced by rock blasting is an unavoidable effect that may generate severe damages to structures and living communities. Peak particle velocity (PPV) is the key predictor for ground vibration. This study ...
• Non-competitive and competitive detoxification of As(III) ions from single and binary biosorption systems and biosorbent regeneration 

  Bayuo, Jonas; J. Rwiza, Mwemezi; Mark Mtei , Kelvin (Biomass Conversion and Biorefinery, 2023-01-23)

  The quantity of studies reporting on single-metal sorption systems is increasing every day while the elimination of heavy metals in binary and multisolute systems is seldom reported. Therefore, the biosorption and desorption ...
• Recent advances in thermochemical conversion of biomass into drop-in fuel:a review 

  Kariim, Ishaq; Swai, Hulda; Kivevele, Thomas (Scientific African, 2022-08)

  The global evolutional changes towards the use of renewable energy sources for transportation purposes are on the increase in an attempt to mitigate the environmental hazard and the proposed depletion associated with fossil ...
• Optimization of Gold Dissolution Parameters in Acidified Thiourea Leaching Solution with Hydrogen Peroxide as an Oxidant: Implications of Roasting Pretreatment Technology 

  Munganyinka, Jeanne Pauline; Habinshuti, Jean Baptiste; Komadja, Gbetoglo Charles; Uwamungu, Placide; Tanvar, Himanshu; Ofori-Sarpong, Grace; Brajendra Mishra, Brajendra; Uwamungu, Placide; Tanvar, Himanshu; Ofori-Sarpong, Grace; Mishra, Brajendra; Onwualu, Azikiwe P.; Shuey, Scott (Metals, 2022-09-21)

  The nature of gold (Au) ore deposits plays an essential role in determining the best gold recovery method as an alternative to cyanidation, considering environmental concerns. Thiourea (Tu) leaching of gold is an alternative ...
• Effects of polyethylene oxide particles on the photo-physical properties and stability of FA-rich perovskite solar cells 

  Koech, Richard K.; Olanrewaju, Yusuf A.; Ichwani, Reisya; Kigozi, Moses; Oyewole, Deborah O.; Oyelade, Omolara V.; Sanni, Dahiru M.; Adeniji, Sharafadeen A.; Colin-Ulloa, Erika; Titova, Lyubov V.; Martin, Julia L.; Grimm, Ronald L.; Bello, Abdulhakeem; Oyewole, Oluwaseun K.; Ntsoenzok, Esidor; Soboyejo, Winston O. (Scientific Reports, 2022-07-27)

  In this paper, we use Polyethylene Oxide (PEO) particles to control the morphology of Formamidinium (FA)-rich perovskite films and achieve large grains with improved optoelectronic properties. Consequently, a planar ...
• Modeling and optimization of independent factors influencing lead(II) biosorption from aqueous systems: A statistical approach 

  Bayuo, Jonas; Rwiza, Mwemezi; Abdullai Abukari, Moses; Bayetimani Pelig-Ba, Kenneth; Mtei, Kelvin (Scientific African, 2022-06-25)

  Lead, [Pb(II)] is a major hazardous contaminant that exists in the soil, surface, and groundwater as a result of human activities. It is carcinogenic in nature and causes damage to the liver, kidney, and bones as well as ...
• Potential Uses of Artisanal Gold Mine Tailings, with an Emphasis on the Role of Centrifugal Separation Technique 

  Pauline Munganyinka, Jeanne; Baptiste Habinshuti, Jean; Claude Ndayishimiye, Jean; Mweene, Levie; Ofori-Sarpong, Grace; Mishra, Brajendra; R. Adetunji, Adelana; Tanvar, Himanshu (Sustainability, 2022-07-03)

  Few investigations have focused on the potential uses of artisanal gold (Au) mine tailings, despite the fact that artisanal gold mining activity contributes to environmental issues such as greenhouse gas. Mineralogical ...
• Caustic potash assisted roasting of the Nigerian ferro-columbite concentrate and guanidine carbonate-induced precipitation: A novel technique for extraction of Nb–Ta mixed-oxides 

  Baptiste Habinshuti, Jean; Pauline Munganyinka, Jeanne; R. Adetunji, Adelana; v, Brajendra; Tanvar, Himanshu; Mukiza, Janvier; Ofori-Sarpong, Grace; Peter Onwualua, Azikiwe (Results in Engineering, 2022-04-21)

  The current study focuses on alkali-assisted roasting, dissolution, and recovery of mixed oxides of niobium (Nb) and tantalum (Ta) from a ferro-columbite concentrate collected from Jos Plateau in Nigeria. Alkali-assisted ...
• Response surface optimization and modeling in heavy metal removal from wastewater—a critical review 

  Bayuo, Jonas; Rwiza, Mwemezi; Mtei, Kelvin (Environmental Monitoring and Assessment, 2022-04-08)

  The existence of hazardous heavy metals in aquatic settings causes health risks to humans, prompting researchers to devise effective methods for removing these pollutants from drinking water and wastewater. To obtain optimum ...
• A comprehensive review on the decontamination of lead(II) from water and wastewater by low-cost biosorbents 

  Bayuo, Jonas; Rwiza, Mwemezi; Mtei, Kelvin (RSC Advances, 2022-04-12)

  The disadvantages of conventional methods in water and wastewater management including the demand for high energy consumption, the creation of secondary toxic sludge, and operation cost are much too high for developing ...
• The Effect of Bone Ash on the Physio-Chemical and Mechanical Properties of Clay Ceramic Bricks 

  Linda Bih, Numfor; Aboubakar Mahamat, Assia; Chinweze, Chukwuemeka; Ayeni, Olugbenga; Jechonias Bidossèssi, Hounkpè; Azikiwe Onwualu, Peter; E. Boakye, Emmanuel (Buildings, 2022-03-10)

  Bone ash waste can be used to fabricate clay ceramic bricks, consequently managing their pollution of the environment. This is because bone ash (BA) and clay predominantly consist of calcium and alumina-silicate, respectively, ...
• Effects of temperature-dependent burn-in decay on the performance of triple cation mixed halide perovskite solar cells 

  A. Olanrewaju, Yusuf; Orisekeh, Kingsley; V. Oyelade, Omolara; K. Koech, Richard; Ichwani, Reisya; I. Ebunu, Abraham; I. Amune, Daniel; Bello, Abdulhakeem; C. Anye, Vitalis; K. Oyewole, Oluwaseun; O. Soboyejo, Winston (AIP Advances, 2022-01-20)

  The understanding of the degradation mechanisms in perovskite solar cells (PSCs) is important as they tend to degrade faster under exposure to heat and light conditions. This paper examines the temperature-dependent ...

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