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Biodiesel with nanoparticles

14.08.2011

Employees of the Indian National Institute of Technology, mixing in the fuel obtained from inedible vegetable oils, silica nanoparticles, have achieved improved diesel engine efficiency and cleaner exhaust.

Less soot, carbon monoxide and nitrogen oxides. In addition, a flash occurs faster in the cylinders. In a mixture of 83% biodiesel, 15% water and 2% surfactants, 25-100 ppmw silica was added and the resulting fuel was sonicated. Experiments are currently underway with other types of nanoparticles, including carbon nanotubes.

Some problems remain unresolved: nanoparticles are quite expensive, and it is not clear how their presence in fuel will affect the engine lubrication system.

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It is hard to imagine that with all the attempts to make life easier for astronauts on the International Space Station (including a special coffee maker delivered there last year), someone would think of sending tobacco products into space. And yet, as shown by a recent discovery by Australian scientists from the Queensland University of Technology, tobacco, or rather, its ancient Australian variety Nicotiana benthamiana, can be very useful there.

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