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p-Index From 2021 - 2026
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All Journal Journal of Local Architecture and Civil Engineering
G., Olajide O.
Unknown Affiliation
Arts Humanities Civil Engineering, Building, Construction & Architecture Control & Systems Engineering Electrical & Electronics Engineering Engineering

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Development and Performance Evaluation of a Cassava Mash Pulverizing-Cum-Sieving Machine O., Oladimeji A.; J., Fawohunre A.; G., Olajide O.
Local Engineering Vol. 3 No. 2 (2025): December
Publisher : CV. Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/lejlace.v3i2.214

Abstract

Cassava (Manihot esculenta) remains a key staple crop in Nigeria, yet its post-harvest processing continues to face inefficiencies due to manual methods. This study aimed to design, fabricate, and evaluate the performance of a cassava mash pulverizing-cum-sieving machine to address issues of human drudgery, low throughput, and contamination. The machine comprises a hopper, pulverizing chamber, rotary sieve, electric motor, and support frame. Operational testing was carried out at three speeds: 400, 500, and 600 rpm. Results indicated improved sifting efficiency and capacity, with design parameters tailored for durability, portability, and simplicity. This dual-purpose machine demonstrates potential for local cassava processors in Nigeria to enhance productivity and product quality.
Biomass Pelletizing Machines as a Tool for Waste Valorization and Renewable Energy: A Review Based on an Indigenous Machine Development O., Oladimeji A.; J., Fawohunre A.; G., Olajide O.
Local Engineering Vol. 3 No. 2 (2025): December
Publisher : CV. Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/lejlace.v3i2.215

Abstract

Biomass pelletizing technology is increasingly recognized as a sustainable solution to address global energy demands, waste management challenges, and rural energy poverty. This review presents a comprehensive analysis of biomass pelletizing technology through the lens of a recent research study that involved the design, fabrication, and performance evaluation of an indigenous biomass pelletizing machine in Nigeria. The paper discusses the global relevance of biomass as an energy source, the significance of agricultural waste valorization, the mechanical design principles behind pelletizing equipment, and the technical outcomes of a locally built machine. Key findings revealed an average pelleting capacity of 10.62 kg/hr and an efficiency of 64.8%, with proximate and ultimate analyses supporting the suitability of agricultural waste materials for fuel pellets. The review concludes by affirming the value of biomass pelletizers in fostering sustainable rural development and energy security.
Effect of Time and Speed on the Performance of a Machine for Mixing Groundnuts Seeds with Additives G., Olajide O.; Agbetoye, L. A. S
Local Engineering Vol. 4 No. 1 (2026): June
Publisher : CV. Gio Architect

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59810/lejlace.v4i1.228

Abstract

Studies that investigated the effectiveness of groundnut mixing as a function of mixing speed and time are scarcely reported. Therefore, the objective of the study is to investigate the main and interaction effects between additive and speed on the mixing evaluation parameters, with respect to different mixing proportions of ginger, wheat flour and pepper. The mixing parameters for evaluating the mixer are; degree of mixing, percentage loss and mixing efficiency. The components of the mixer consist of the frame, the U-shaped trough, a central shaft and a helical ribbon agitator. The coating unit consists of coating trough, drive shaft and electric motor. The highest values of the degree of mixing and mixing efficiency recorded were 92.23 and 99.75% respectively. The efficiency of mixing increases as mixing time increases. Similarly, increased performance in mixing was observed as the mixing speed increases. The main and interaction effects between the additive and speed were insignificant (P > 0.05). The highest speed of 60 rpm and mixing time of 15 mins produced the highest mixing efficiency.
Co-Authors Agbetoye, L. A. S J., Fawohunre A. O., Oladimeji A.