A5086760136- Biodiesel Production and Applications
- Anaerobic Digestion and Biogas Production
- Lubricants and Their Additives
- TiO2 Photocatalysis and Solar Cells
- Catalytic Processes in Materials Science
- Advanced Photocatalysis Techniques
- Water-Energy-Food Nexus Studies
- Biofuel production and bioconversion
- Wastewater Treatment and Nitrogen Removal
- Catalysis and Hydrodesulfurization Studies
- Polymer composites and self-healing
- Copper-based nanomaterials and applications
- Fuel Cells and Related Materials
- Enzyme Catalysis and Immobilization
- Metallurgy and Material Forming
- Muon and positron interactions and applications
- Calcium Carbonate Crystallization and Inhibition
- Membrane Separation and Gas Transport
- Petroleum Processing and Analysis
- COVID-19 impact on air quality
- Hybrid Renewable Energy Systems
- Coagulation and Flocculation Studies
- Microbial Metabolic Engineering and Bioproduction
- Catalysis and Oxidation Reactions
- Advanced Nanomaterials in Catalysis
Universiti Putra Malaysia
2011-2025
Serdang Hospital
2020
To produce titanium dioxide (TiO 2 ) nanoparticle coatings, it is desirable that the nanoparticles are dispersed into a liquid solution and remain stable for certain period of time. Controlling dispersion aggregation crucial to exploit advantages nanometer‐sized TiO particles. In this work, were stabilized in aqueous suspensions using two common dispersants which polyacrylic acid (PAA) ammonium polymethacrylate (Darvan C). The effect parameters such as ultrasonication amplitude type amount...
The outbreak of a neurological disorder was first discovered as new coronavirus (2019-nCoV) in Wuhan, China. infection spread rapidly China and throughout the world, including Malaysia. Malaysia recorded its initial case on 25 January 2020 with intensifying numbers since March 2020. Due to this uncertain circumstance, has introduced Movement Control Order (MCO) main aim isolating source COVID-19 outbreak, which effective from 18 restriction observed fewer vehicles road industrial commercial...
This paper presents a strategic planning model aimed at optimizing the economic and environmental impacts of palm oil mill effluent (POME) treatment systems. The determines optimal selection POME systems to minimize impact, specifically focusing on three systems: an anaerobic digester tank system (ADT), covered lagoon (CL) with biogas capture, open pond (OP). incorporates constraints related fresh fruit bunch (FFB) production, generation, biological oxygen demand (BOD), chemical (COD),...
Biogas produced from lignocellulosic biomass, e.g. animal manure, has the potential to be a promising renewable energy source. Special emphasis been placed on manure pretreatment in an anaerobic digestion as means of enhancing biogas yield. Here, we review existing methods with regard their effects conversion biogas. Various and challenges are highlighted. The complex usually depend waste characteristics method choice. In general, enhances content by increasing methane yield similar...
Iron (Fe)-doped titanium dioxide (TiO 2 ) nanoparticles were produced via the metallorganic chemical vapour deposition (MOCVD) method at 700 ∘ C. Different amounts of ferrocene as Fe dopant source (0.001–0.05 g) introduced inside reactor together with precursor in order to synthesize different concentrations TiO nanoparticles. Nitrogen (N adsorption results showed that increasing concentration caused a slight increase surface area due decrease nanoparticle size. The UV-diffuse reflectance...
An improved method in biodiesel production using jatropha curcas oil is discussed this study. There are two steps process involved namely esterification and transesterification. The first step serves as a pre-treatment to reduce the free fatty acid content feedstock second converts into biodiesel. reaction time, molar ratio, temperature percentage of catalyst loading operating parameters being optimized After step, Jatropha has been reduced less than 1%. treated was transesterified potassium...
Jatropha oil has good potential as the renewable energy well lubricant feedstock. Production of based was performed via a two-step process; (i) transesterification to produce Methyl Ester (JME) and, (ii) JME with trimethylolpropane (TMP) under presence alkaline catalyst. Transesterification carried out at 65°C for 1 hour by using 1-2% NaOH While, 150°C pressure kept 10mbar. The conversion jatropha biolubricant found be more than 80%. However, maintain forward reaction, amount maintained...
Titanium dioxide (TiO 2 ) nanoparticles were produced using chemical vapour deposition (CVD) at different temperatures (300–700°C). All the samples heat treated their respective and a fixed temperature of 400°C. A scanning electron microscope (SEM), transmission (TEM), X‐ray diffraction (XRD) used to characterize in terms size crystallinity. The photocatalytic activity was investigated via degradation methylene blue under UV light. effects post treatment are discussed crystallinity,...
Jatropha oil has good potential as the renewable energy well lubricant feedstock. The synthesis of jatropha biolubricant was performed by transesterification methyl ester (JME) with trimethyl-ol-propane (TMP) sodium methoxide (NaOCH3) catalyst. effects temperature on were studied at a range between 120°C and 200°C pressure kept 10mbar. conversion JME to found be highest (47%) 200°C. However, it suggested that optimum reaction is 150°C due insignificant improvement in production. To maintain...
Abstract Kinetics pertaining epoxidation reaction of a palm oil‐based synthetic lubricant trimethylolpropane (TMP) ester were investigated. The TMP was carried out utilizing peracetic acid generated by an in situ technique. analysis the kinetics performed within low temperature (30, 50, and 60°C) high (70, 80, 90°C) regions, owing to nature reactions. maximum conversion unsaturated carbon oxirane ring achieved 1 h at region, while esters took more than 4 reach region. From experimental data,...