Category Archives: 2012

Abstract: This study examines the effect of pH of solution, cephalexin (CEX) concentration, and O3 dosage on removal of CEX by catalytic ozonation. All three parameters were found to exert a significant effect on the removal of cephalexin and on … Continue reading →

Abstract: This study is aimed at investigating the interactive effects of reaction parameters such as temperature (330–370 °C), total pressure (30–50 bar) and liquid hourly space velocity LHSV (1–3 h−1) on the performance of hydrodesulfurization (HDS) activity. Experiments were performed based on the … Continue reading →

Abstract: Screening of modified ZSM-5 catalysts for conversion of glycerol to light olefins has been investigated. In this study HZSM-5, Al/ZSM-5, Ca/ZSM-5, Cr/ZSM-5, Cu/ZSM-5, Li/ZSM-5, Mg/ZSM-5 and Ni/ZSM-5 zeolite catalysts were prepared, tested and screened. The catalysts were characterized to … Continue reading →

Abstract: Conversion of glucose, empty fruit bunch (efb) and kenaf to levulinic acid over a new hybrid catalyst has been investigated in this study. The characterization and catalytic performance results revealed that the physico-chemical properties of the new hybrid catalyst … Continue reading →

Abstract: Pyrolysis is one of the potential routes to harness energy and useful chemicals from biomass. The major objective of biomass pyrolysis is to produce liquid fuel, which is easier to transport, store and can be an alternative to energy … Continue reading →

Abstract: Transesterification is the most common method for producing biodiesel. Known as a suitable substitute to diesel fuel, the synthesis involves renewable sources as feedstock. Application of both organic and inorganic solvents in biodiesel production has been widely established. However, … Continue reading →

Abstract: This study aims to develop an optimal continuous process to produce fatty acid methyl esters (biodiesel) from waste cooking oil in a reactive distillation column catalyzed by a heteropolyacid, H3PW12O40·6H2O. The conventional production of biodiesel in the batch reactor … Continue reading →

Abstract: In this work, EFB was chemically pretreated with different sodium hydroxide (NaOH) concentration. Pyrolysis was conducted in the presence of HZSM-5 after the pretreatment step to assess the effects of pretreatment process on bio-oil production. Conversions of EFB were … Continue reading →

Abstract: In this study, liquefaction between empty palm fruit bunch (EPFB) and phenol was carried out by using sulfuric acid and H2SO2 as a catalyst. The liquefied products were reacted with formaldehyde to synthesize resin and undergo sol-gel impregnation (Sl) … Continue reading →