The objectives of this work were to investigate the optimization and kinetics of ethanolysis for biodiesel production … parameters affecting the biodiesel yield were successively optimized by Plackett–Burman design followed with Box–Behnken method …. The biodiesel yield of ca. 91.3% was verified under the optimized conditions of 4.3:1 of alcohol/oil molar ratio, 1.63g …

-production of biodiesel. The addition of small amounts of water (1 wt%) to the reaction medium led to a clear reduction of the … the appearance of high acid values, i.e. FFA contents, in the final biodiesel. Consequently, the overall process is … converted into biodiesel. …

The objective of this work is to develop a process for producing biodiesel from the saponifiable lipid (SL) fraction of … transformation permits better separation of the unsaponifiable lipids (the second step) and finally produces purer biodiesel. The …-water solution to pH 5 and were then extracted with hexane. Fourthly, the FFAs were transformed to biodiesel by esterification with …

Biodiesel is a biofuel obtained from vegetable oils or animal fats by transesterification with methanol, so that it … conventional biodiesel, as the more suitable biofuel for the replacement of fossil fuel. This drawback is related to the … biofuels, like the biodiesel, need to be also compatible with the fossil fuel as well as with existing transportation …

, this paper evaluates a life cycle carbon footprint (or greenhouse (GHG) gas emissions) of liquid biofuels (biodiesel … study found a positive GHG emissions related to biofuels. A carbon footprint (in CO2 equivalents) of jatropha biodiesel is … 23.9kgFU−1 while that of molasses bioethanol is 17.4kgFU−1. Biodiesel combustion found to be a major contributor to …

heating doubled in the past decade and will increase steadily into the future. Liquid biofuels cover bioethanol, biodiesel … started, supplementing the annual supply of 22 billion gallons predominantly from food crops. Biodiesel from oil seeds reached …

Today, the price of glycerol has dramatically dropped due to its oversupply from biodiesel production as well as … is important to ensure sustainability in the biodiesel and oleochemical industries. One possibility is to transform it in …

Glycerol surplus in recent decades due to global increase in biodiesel production has created a new form of challenge …

Biodiesel is an environmental friendly liquid fuel similar to conventional diesel in combustion properties. It has … received international attention in recent times, as that biodiesel is renewable, non-toxic and safe to store. In this study …, high grade biodiesel was produced from microalgae (Nannochloropsis oculata) derived lipids via transesterification reaction …