Daily Archives: January 6, 2018

Characterization and Performance of Hybrid Catalysts for Levulinic Acid Production from Glucose.

Abstract: In this work, a set of hybrid catalysts were synthesized, characterized and tested for the conversion of glucose to levulinic acid. The hybrid catalysts with 1:1, 1:2 and 2:1 weight ratios of CrCl3 and HY zeolite were prepared via the … Continue reading

Posted in 2013 | Leave a comment

Optimization of Glucose Conversion to 5-Hydroxymethylfulfural using [BMIM]Cl with Ytterbium Triflate

Abstract: 5-Hydroxymethylfulfural (5-HMF) is a versatile compound obtained from renewable resources such as agricultural residue and biodegradable waste. 5-HMF has potentials to replace fuel-based petroleum and fine chemicals. Glucose, a monosaccharide is often used as a model compound to produce … Continue reading

Posted in 2013 | Leave a comment

A Review On Novel Processes Of Biodiesel Production From Waste Cooking Oil

Abstract: Fossil fuel depletion, environmental concerns, and steep hikes in the price of fossil fuels are driving scientists to search for alternative fuels. The characteristics of biodiesel have made the pursuit of high quality biodiesel production attractive. Utilization of waste … Continue reading

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Transesterification of Waste Cooking Oil by Heteropolyacid (HPA) Catalyst: Optimization and Kinetic Model

Abstract: Transesterification of waste cooking oil with heterogeneous (heteropoly acid) catalyst and methanol has been investigated. Response Surface Methodology (RSM) and Artificial Neural Network (ANN) were employed to study the relationship between process variables and free fatty acid conversion and … Continue reading

Posted in 2013 | Leave a comment

Optimization of Lignin Production from Empty Fruit Bunch via Liquefaction of Ionic Liquid.

Abstract: The production of lignin from empty fruit bunch (EFB) has been carried out using liquefaction method with 1-butyl-3-methylimidazolium chloride ([BMIM]Cl) ionic liquid (IL), in presence of sulfuric acid (H2SO4) as a catalyst. Response surface methodology (RSM) based on a … Continue reading

Posted in 2013 | Leave a comment

Catalytic hydrolysis of cellulose and oil palm biomass in ionic liquid to reducing sugar for levulinic acid production

Abstract: Biomass is now regarded as a potential feedstock to produce renewable valuable chemicals that can be derived from sugar. In this study, it was demonstrated that Fe/HY catalyst was able to promote the hydrolysis in ionic liquid of oil … Continue reading

Posted in 2014 | Leave a comment

Effect of heat carrier’s temperature and partial size on the pyrolysis of Imperata Cylindrica in transported bed reactor

Abstract: The pyrolysis of Imperata Cylindrica in a transported bed reactor has been carried out using sand as heat carrier. This study is to determine the significant effect of the pyrolysis process condition for heat carrier temperature and particle size … Continue reading

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Catalytic Conversion of Oil Palm Fronds to Levulinic Acid in Ionic Liquid

Abstract: The pretreatment of oil palm frond (OPF) has been carried out using 1-butyl-3-methylimidazolium bromide ([BMIM]Br) in the presence of aqueous sulphuric acid (H2SO4). The effects of reaction temperature, reaction time and [BMIM]Br loading on lignin degradation were investigated by … Continue reading

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Optimization of Oil Palm Fronds Pretreatment Using Ionic Liquid for Levulinic Acid Production

Abstract: The pretreatment of oil palm frond (OPF) has been carried out using 1-butyl-3-methylimidazolium bromide ([BMIM]Br) in the presence of aqueous sulphuric acid (H2SO4). The effects of reaction temperature, reaction time and [BMIM]Br loading on lignin degradation were investigated by … Continue reading

Posted in 2014 | Leave a comment

Glycerol for renewable acrolein production by catalytic dehydration

Abstract: The significant surge in biodiesel production by transesterification of edible or non-edible oils have caused surplus of glycerol in the market. With its characteristics, unique structure, renewability, and bio-availability, glycerol has tremendous potential to be transformed to higher value-added … Continue reading

Posted in 2014 | Leave a comment