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Taiwo, Oluwaseyi Omotayo
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Fabrication of a Sustainable Charcoal-Fired Crucible Furnace for Recycling Aluminum Waste Cans Taiwo, Oluwaseyi Omotayo; Ebuka, Christopher; Ori, Samuel Isaac; Onyebuchi, Edeh Isaac; Izunwanneka, Shimobi Nelson; Uchennaya, Onwe Joseph
Indo Green Journal Vol. 3 No. 1 (2025): Green 2025
Publisher : Published by Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/green.v3i1.97

Abstract

Aluminum recycling is a vital process in minimizing environmental degradation and conserving energy. This paper presents the design, fabrication, and performance evaluation of a charcoal-fired crucible furnace specifically constructed for melting aluminum waste cans. The project aims to promote local recycling efforts by offering a cost-effective and energy-efficient solution using locally available materials. The furnace was constructed using mild steel, fire bricks, refractory cement, and insulation materials. The crucible was made from graphite-clay composite. Performance evaluation showed that the furnace reached a temperature of 750°C within 25 minutes, melting aluminum efficiently with an average recovery rate of 85%. This design offers a sustainable and scalable solution for small- to medium-scale aluminum recycling operations, particularly in developing countries.
Fabrication of a Sustainable Charcoal-Fired Crucible Furnace for Recycling Aluminum Waste Cans Taiwo, Oluwaseyi Omotayo; Ebuka, Christopher; Ori, Samuel Isaac; Onyebuchi, Edeh Isaac; Izunwanneka, Shimobi Nelson; Uchennaya, Onwe Joseph
Indo Green Journal Vol. 3 No. 1 (2025): Green 2025
Publisher : Published by Institut Teknologi Pendidikan Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31004/green.v3i1.97

Abstract

Aluminum recycling is a vital process in minimizing environmental degradation and conserving energy. This paper presents the design, fabrication, and performance evaluation of a charcoal-fired crucible furnace specifically constructed for melting aluminum waste cans. The project aims to promote local recycling efforts by offering a cost-effective and energy-efficient solution using locally available materials. The furnace was constructed using mild steel, fire bricks, refractory cement, and insulation materials. The crucible was made from graphite-clay composite. Performance evaluation showed that the furnace reached a temperature of 750°C within 25 minutes, melting aluminum efficiently with an average recovery rate of 85%. This design offers a sustainable and scalable solution for small- to medium-scale aluminum recycling operations, particularly in developing countries.
Comparative Evaluation of Mechanical, Structural, and Morphological Properties of Corncob Ash and Graphite-Filled Epoxy Composites Taiwo, Oluwaseyi Omotayo; Amadi, Darlington Chinaza; Ojiyi, Binah Somtochukwu; Ofomata, Nmesoma Godswill; Mayor, Blessed Obinna; Owolabi, Oluwasegun Biodun
SciencePlus Vol. 1 No. 3 (2026): SciencePlus
Publisher : Barkah Publishing

Show Abstract | Download Original | Original Source | Check in Google Scholar

Abstract

This study presents a comparative investigation of the mechanical, structural, and morphological properties of epoxy composites reinforced with corncob ash (CCA) and graphite fillers at varying weight percentages (0–25 wt%). Composite specimens were fabricated using the hand lay-up technique and characterised through tensile, flexural, impact, and hardness tests, complemented by X-ray diffraction (XRD), scanning electron microscopy (SEM), and energy-dispersive X-ray (EDX) analyses. The results revealed that corncob ash epoxy composites exhibited a maximum tensile strength of 14.34 MPa at 25 wt% filler loading, while graphite epoxy composites achieved the highest tensile strength of 13.24 MPa at 5 wt% loading. The highest Vickers hardness values were 25 HV and 22.37 HV for CCA and graphite composites at 25 wt%, respectively. Graphite composites demonstrated superior impact strength (5.44 J at 25 wt%), while CCA composites showed comparable performance (5.17 J at 0 wt% control). Flexural strength peaked at 15 wt% for both fillers, with graphite composites reaching 38.77 MPa and CCA composites achieving 32.24 MPa. XRD analysis confirmed crystalline phases in both composite systems, and SEM/EDX characterisation revealed the dispersion behaviour and elemental composition of the fillers within the epoxy matrix. The findings suggest that corncob ash, an agricultural waste material, is a viable and sustainable alternative to conventional graphite filler in epoxy composite applications, offering comparable mechanical performance with significant environmental and economic advantages
Co-Authors Amadi, Darlington Chinaza Ebuka, Christopher Izunwanneka, Shimobi Nelson Mayor, Blessed Obinna Ofomata, Nmesoma Godswill Ojiyi, Binah Somtochukwu Onyebuchi, Edeh Isaac Ori, Samuel Isaac Owolabi, Oluwasegun Biodun Uchennaya, Onwe Joseph