Estados Unidos está prestes a conseguir um novo combustível para aviões feito a partir de águas residuais: uma revolução que pode reduzir 70% das emissões aéreas e que pode ser vendido a apenas 1,23 dólares por litro

United States Is About to Get New Aircraft Fuel Made from Wastewater: A Revolution That Could Reduce Air Emissions by 70% and Be Sold for Just $1.23 per Liter

Written by Noel Budeguer

Published on 12/10/2024 at 10:30

Estados Unidos está prestes a conseguir um novo combustível para aviões feito a partir de águas residuais: uma revolução que pode reduzir 70% das emissões aéreas e que pode ser vendido a apenas 1,23 dólares por litro

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United States Uses Membrane-Assisted Anaerobic Digestion to Create Aviation Fuel from Wastewater: Cheaper and More Eco-Friendly!

A team of researchers from the Argonne National Laboratory, managed by the U.S. Department of Energy, has developed a system that converts wastewater into aviation fuel. The organic biofuel generates 70% less emissions than aviation kerosene.

How It Works. The system converts organic wastewater into butyric acid and other volatile fatty acids (VFAs), precursors to sustainable aviation fuels (SAFs). The process starts with a carbon-rich wastewater concentrate, such as those from breweries and dairy farms.

Membrane-assisted, the system performs a methane-enhanced anaerobic digestion (MAAD) to produce VFAs. This technology minimizes the production of lactic acid, a chemical compound that limits the efficiency of converting VFAs into SAFs. Therefore, it produces a VFA that is more efficient and performs better.

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An Economical and Efficient Solution for Sustainable Aviation

A more economical SAF. SAF production represents less than 1% of the fuel used in the aviation industry because it mainly relies on raw materials such as fats and oils, which are limited and expensive.

The new system produces VFAs at 60 cents per kilogram, so the derived SAF could be sold at a minimum price of $1.23 per liter. The usual price of SAF is $1.77. This is a significant reduction, although the price of aviation fuel is $0.75 per liter.

Why It Matters. Airplanes are responsible for 3% of global greenhouse gas emissions. SAFs are seen as a key solution for reducing the aviation carbon footprint and meeting global climate goals, but they have never fully taken off.

This new scalable technology addresses two of the main issues of SAFs: their production costs and their limited availability, whether due to the high costs of raw materials or insufficient production for the aviation industry.

The DOE’s Bet. The U.S. Department of Energy has set two ambitious goals for the sector: to produce 11 billion liters of SAF by 2030, and to meet 100% of the demand for commercial aviation fuel with SAF by 2050.

This approach, which turns waste such as wastewater into sustainable fuel, could be the key to achieving these goals. But more incentives and research will be needed for SAF prices to continue to fall and for airplanes to start operating on wastewater.

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United States Is About to Get New Aircraft Fuel Made from Wastewater: A Revolution That Could Reduce Air Emissions by 70% and Be Sold for Just $1.23 per Liter

United States Uses Membrane-Assisted Anaerobic Digestion to Create Aviation Fuel from Wastewater: Cheaper and More Eco-Friendly!

An Economical and Efficient Solution for Sustainable Aviation

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United States Is About to Get New Aircraft Fuel Made from Wastewater: A Revolution That Could Reduce Air Emissions by 70% and Be Sold for Just $1.23 per Liter

United States Uses Membrane-Assisted Anaerobic Digestion to Create Aviation Fuel from Wastewater: Cheaper and More Eco-Friendly!

An Economical and Efficient Solution for Sustainable Aviation

The end of Nokia: the brand that was the cellphone of an entire generation has ended its smartphones, left Brazil, and today survives only in basic phones in India while seeking a new partner.

Workers were opening a modern road in Dover when they found, 6 meters below the asphalt, a 3,500-year-old boat made of stitched oak and plant fibers.

Dissatisfied with seeing people sleeping on the street, a man named Ryan Donais started building small mobile homes so that homeless people can escape the cold, each equipped with a bed, running water, electricity, and heating.

Consumers eat six times more chicken than in the 1960s, global meat supply quadruples in 60 years, and FAO report reveals the invisible cost on the plate: livestock could drive 80% of the increase in agricultural emissions over the next decade.

Using high-resolution satellite images, archaeologists rediscovered the Egyptian city of Imet, buried for centuries in the Nile Delta, revealing rare multi-story houses, granaries, and a sacred road linked to the cobra goddess Wadjet, from about 2,400 years ago.

Two 17-year-old Kenyans use coconut shells, corn cobs, and recycled materials to create an exhaust filter that reduces 93.3% of pollutant particles and wins an environmental award in Africa.

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