Broader contextJet fuels must meet very stringent international specifications, due to which it is much more difficult to develop an alternative fuel for aviation than for automobile applications. There is no work reported to date on designed catalysts that would maximize the conversion of triglycerides (specifically those from inedible Jatropha and algae oil) into jet-fuel range (kerosene) hydrocarbons. A single step economical process for aviation fuel from lipids has been inconceivable to date. Triglyceride derived kerosene with its low aromatics content and very low sulfur content is also commercially very attractive for its numerous applications as solvent. Here we demonstrate for the first time that hierarchical mesoporous molecular sieves with tunable properties such as zeolitic crystallinity, acidity and porosity could be successfully tailored to develop a single-step process for hydroconversion of triglycerides and free fatty acids from algae and from plants such as Jatropha, directly into isoparaffins in the kerosene range with high selectivity to produce aviation fuel with the desired freezing point and other specifications. This catalytic process makes the route to renewable aviation fuel from lipids more economical and commercially more attractive.

A one-pot conversion of monosaccharides (fructose and glucose) into high-yield 2,5-dimethylfuran (2,5-DMF) is demonstrated over a multifunctional catalyst obtained by loading Pd on UiO-66@ sulfonated GO (Pd/UiO-66@SGO).

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