Different effects arise upon understanding various effects of the aviation biofuels that are currently used by most aircraft. Some of these effects have a big impact on environmental effects such as; carbon dioxide and greenhouse gas emission, soil erosion due to the massive amount of natural resources needed to produce aviation biofuels, and other various effects that include pollution. Biofuel also affects our economy because it consumes our natural recourses. The law of supply and demand implicates a price hike to the said resources' public market. To lessen or eradicate these effects, many studies and experimentation are being done to find an alternative to existing aviation biofuels. One of those is the drop-in aviation fuels.
The drop-in aviation fuels are made from renewable resources that mimic the chemistry of petroleum jet fuel without alternating and modifying the structure of aircraft engines. It provides the same level of performance and safety as petroleum-derived jet fuel that is being used today (Federal Aviation Administration, 2020). One of the drop-in aviation fuels that are still being developed is based on waste carbon, water, and materials. Waste carbon such as CO2 and water will be processed using solid oxide co-electrolysis (SOEC), which separates O2 from H2O through reverse water-gas shift and microbial fuel cells to produce this type of fuel MFC’s. MFC offers promising technology to produce liquid fields from wastewater leading to the production of aviation fuel (J. Sadhukhan, et al., 2015). Waste carbon is present in almost all forms of materials in abundant supply. The process of harvesting co2 can be done from industrial sources in order to produce H2 rich syngas. This technology allows CO2 to be reduced into its constituent elements and, together with biomass from gasification, performs co-valorization, producing two syngas streams rich in CO and H2 (M. Aresta, et al., 2010).
This type of drop-in aviation fuel will eliminate the use of nonrenewable energy resources because it uses material that is naturally present and the by-product of human activities, such as carbon dioxide and water waste. The mass production of drop-in aviation fuel will also benefit us humans because we will reduce greenhouse gases, carbon dioxide and reduce the percentage of GWP in terms of air and water pollution. It will also lessen the demand for biofuels. By these, the prices for sugar, corn, and palm oil will drop to the commercial level.
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