![]() ![]() The aviation industry is expanding with an annual growth rate of ~ 6.2% over the last 5 years. The projected annual growth for the next 30 years for passenger traffic and airline fleets is expected to be 4.7 and 3.5%, respectively. Therefore, the consumption of aviation fuel will be doubled in 2040 compared to the consumption in 2015. ![]() Currently, CO 2 emissions from the aviation industry is about 2% and is expected to grow to 3% in 2050. Since emissions from aircraft occur at very high altitudes, therefore their effect in terms of Greenhouse Gas (GHG) contribution is compounded, especially for NO x and SO x emissions however, these emissions have a significant negative impact on the airport’s neighbourhood environment. The rapid growth of the aviation industry and the stringent environmental regulations, in addition to the increase of fuel prices, have encouraged the industry to explore alternative jet fuels for turbine jet engines. Many international airlines have already started using blends of conventional jet fuel and synthetic jet fuel to compensate the increase in jet fuel price and their dwindling availability. The synthetic fuels produced from the Gas to Liquid (GTL) process are ultra-clean as they lack aromatics and sulfur. Synthetic paraffinic kerosene (SPK) derived from the GTL process has been previously successfully blended with Jet A1 for use in the aviation industry.
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