Vol. 7 No. 2 (2024): 2024 MJCET Vol 7 Issue 2
These are the summaries for each article as published in Volume 7 Issue 2 (MJCET Oct edition).
1. This article details the design of a microdirect methanol fuel cell, which includes silicon substrate-based electrode flow field plates that were microfabricated using micro-electro-mechanical system (MEMS) technology.
2. This article examines the antimicrobial properties of shellac coatings infused with citrus fruit waste and used cooking oil (UCO).
3. This article investigates the relationship between the Air Pollution Index (API) and meteorological factors, such as wind speed and direction, during haze episodes in East Malaysia.
4. This article investigates the presence of heavy metals in cosmetic products in the Malaysian market, raising concerns about the potential health risks posed by these contaminants.
5. This article investigates the antibacterial properties of quaternized chitosan/PVA films enhanced by the addition of tetraethyl orthosilicate (TEOS).
6. This article describes a study that optimized the process of producing carbon nanotubes (CNTs) from sewage sludge by determining that a catalyst loading of 0.5 and a temperature of 800 ˚C resulted in the maximum yield of CNTs.
7. This article investigates the potential of orange peels as a biosorbent for removing crude oil from contaminated water through batch adsorption tests and optimization using response surface methodology (RSM) and SigmaXL software.
8. This article examines the potential risks associated with accidental chemical releases from two bioethanol production plants in Selangor, Malaysia, using quantitative accident analysis and software simulations to determine the impact on human fatalities.
9. This article describes a method for extracting cellulose nanofibers from Semantan bamboo using a chemical treatment involving nitric acid and hydrogen peroxide, and it identifies the optimal conditions for achieving the highest yield of nanofibers.
10. This article reviews how using finite element analysis (FEA) as a tool can improve the performance of proton exchange membrane fuel cells (PEMFCs)
11. This article reviews catalyst development for enhanced green hydrogen production, examining catalyst support materials and design strategies.
12. This article examines the photoelectrochemical properties of copper thin films deposited on fluorine-doped tin oxide (FTO) glass using direct and pulse electrodeposition techniques.
13. This article reviews game-based learning resources used to teach fuel cell education to secondary school students.
14. This article reviews various advanced logging technologies and their applications in detecting reservoir crossflow in oil and gas production.
15. This article reviews and compares various methods for synthesizing carbon nanotubes (CNTs), including microwave irradiation, arc discharge, and chemical vapor deposition, and it also discusses purification techniques and scalability considerations for these methods.
16. This article examines the effectiveness of different dosages of poly aluminum chloride (PAC) and polyacrylamide (PAM) in coagulation-flocculation processes for treating sewage wastewater.
17. This article outlines a four-step purification process for a thermostable lipase from Geobacillus thermodenitrificans and evaluates its purity and molecular weight.