Browsing Research Articles [MEWES] by Author "Hilonga, Askwar"
Now showing items 1-20 of 44
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Alternative tanning technologies and their suitability in curbing environmental pollution from the leather industry: A comprehensive review.
(Elsevier Ltd., 2020-04-18)Chrome tanning remains the most favourite technology in the leather industry worldwide due to its ability to produce leather with attributes desirable for high-quality leather such as excellent hydrothermal stability, ... -
Approaches to the mitigation of ammonia inhibition during anaerobic digestion – a review
(IWA Publishing, 2020-06-03)The digestion process of organic waste rich in high ammonia content has always been a gridlock during methanogenesis process. The free ammonia may increase inhibition/toxicity, which in turn affects the microbial community ... -
Biodiesel production by sulfated mesoporous titania–silica catalysts synthesized by the sol–gel process from less expensive precursors
(Elsevier, 2012-11-21)A sulfated titania–silica composite (S-TSC) was obtained through surface modification of mesoporous titania–silica composite synthesized using less expensive precursors; titanium oxychloride and sodium silicate as titania ... -
A brief history and prospects of sodium silicate-based aerogel - a review
(Springer Nature Link, 2024-09-14)This review paper, A Brief History and Prospects of Sodium Silicate-Based Aerogel, aims to attract junior researchers and/or students interested in investing time and other resources to harness the overriding potential of ... -
Characterization of Polycaprolactone and Rice Husk Silica Composite (PCL-SiO2) by E-Spinning to Apply Supporter for Drug Release
(IOP Publishing Ltd, 2017)Abstract. Polycaprolactone (PCL) is an interesting material to apply biomedical field owing to its biodegradability and biocompatibility which is suitable for a specific site with longer healing times. Blending the polymer ... -
Chitosan-coated liposomes of Carrisa spinarum extract: synthesis, analysis and anti-pneumococcal potency
(ICE Publishing, 2023-02-16)In the present study, a chitosan (CS)-coated liposome (LipCsP-Chitosan) nanocarrier was fabricated for the delivery of Carissa spinarum (CsP) polyphenols to improve bioavailability and anti-pneumococcal potential against ... -
Compressive strength optimization of the ambient-cured metakaolin-based geopolymer mortar using the Taguchi design approach
(Elsevier, 2025-05-16)This study utilized raw natural kaolinite sourced along Pugu hills, Tanzania, as the aluminosilicate source. To optimize the compressive strength, nine (9) metakaolin geopolymer formulations were activated using the Taguchi ... -
Development and Characterization of Nanovesicles Containing Phenolic Compounds of Carissa spinarum: Encapsulation, Release Kinetics, Antimicrobial Activity and Mathematical Modeling
(Trans Tech Publications Ltd, 2023-05)The aim of this study was to develop and characterize a delivery system for polyphenols from an extract of Carissa spinarum leaves, based on liposomes. Liposomes loaded with Carissa spinarum polyphenols (nanoliposomal CsP) ... -
Development of photocatalytic semiconductors and nanocomposites with excellent optoelectronic and electrochemical properties for dye effluent remediation -A review
(Elsevier, 2024-12)Myriads of photocatalytic semiconductors and their corresponding nanocomposites have been investigated for the remediation of toxic dye molecules in textile effluent however, notable challenges are reported of their ... -
Development of ternary PANI/GO-Fe3O4@AgNps nanocomposites for photocatalytic remediation of toxic dye effluent under energy-efficient system
(Elsevier, 2025-03)The environmental toxicity of effluents contaminated with synthetic industrial dyes and their resistance to conventional treatments drive the need for developing innovative treatment technologies such as visible photoactive ... -
Dynamics of Kaolinite-Urea Nanocomposites via Coupled DMSO-Hydroxyaluminum Oligomeric Intermediates
(Hindawi Publishing Corporation Indian Journal of Materials Science, 2015)Kaolinite-urea nanocompositeswere prepared via intercalation reactions in an attempt to investigate the dynamic nature of kaolinite morphology for advanced applications in controlled release systems (CRS). Characterization ... -
Eco-friendly catalyst design: Transforming volcanic lava ashes into sustainable synthesis of glycerol carbonate from glycerol in one pot solvent-free route
(Elsevier, 2025-04)Volcanic lava ash (VLA), a natural waste from nature’s geological activities was used as a raw material for the first time to produce a series of heterogeneous catalysts via facile calcination from 300 to 900 °C. The ... -
Effect of mixing ratios of natural inorganic additives in removing ammonia and sulfide in the liquid phase during anaerobic digestion of slaughterhouse waste
(Elsevier, 2021-06-01)In this study, the efficacy of inorganic additives in the removal of total ammonia nitrogen (TAN) and sulfide in the aqueous phase of slaughterhouse waste undergoing anaerobic digestion in the batch reactor was investigated. ... -
Encapsulated Urea-Kaolinite Nanocomposite for Controlled Release Fertilizer Formulations
(Hindawi Publishing Corporation Journal of Chemistry, 2015)Urea controlled release fertilizer (CRF) was prepared via kaolinite intercalation followed by gum arabic encapsulation in an attempt to reduce its severe losses associated with dissolution, hydrolysis, and diffusion. ... -
Enhancement of porosity of sodium silicate and titanium oxychloride based TiO2–SiO2 systems synthesized by sol–gel process and their photocatalytic activity
(Elsevier, 2013-09-15)The textural properties of TiO2–SiO2 composites (TSCs) were successively enhanced using three approaches; (1) washing the hydrogels with different solvents, (2) using surfactant and (3) forming the TiO2 sol in ethanol ... -
Evaluating the level of ammonia and sulfide in the liquid phase during anaerobic digestion of slaughterhouse waste operating at mesophilic scale digester—the impact of inhibition and process performance
(AIMS Press, 2020-07-10)The performance of experimental batch-reactor loaded with slaughterhouse waste at mesophilic temperature was investigated as well as the inhibition of both ammonia and sulfide concentration in the aqueous phase. The digester ... -
Fenton-mediated solar-driven photocatalysis of industrial dye effluent with polyaniline impregnated with activated TiO2-Nps
(Elsevier, 2024)Various integrated technologies have been investigated for the remediation of heavily polluted industrial dye effluent. Also, more than 70 % of these dyes are known to be solely azo dyes used in the textile industry ... -
Fish bladder-based activated carbon/Co3O4/TiO2 composite electrodes for supercapacitors
(Elsevier B.V., 2019-06-15)Cobalt oxide/titanium dioxide/activated carbon (Co3O4/TiO2/Ac) composite was synthesized using simple sol-gel method before annealing at 300 °C. Fish bladder derived porous carbon used for the composite was synthesized by ... -
Functional impacts of polyaniline in composite matrix of photocatalysts: an instrumental overview
(Royal Society of Chemistry, 2023-05-22)The challenges associated with photocatalysts including their agglomeration, electron–hole recombination and limited optoelectronic reactivity to visible light during the photocatalysis of dye-laden effluent make it necessary ... -
In-situ synthesis of calcium/magnesium phosphate system for water de-fluoridation: Clay ceramic materials
(Elsevier, 2022-02-15)Clay ceramic water filters impregnated with silver colloids have been used to purify water in many parts of East Africa disregarding the removal of fluoride, which is a health-threatening ion in water supplies. This paper ...
