New tech to cut CO2
Australian researchers have created a new material that can reduce CO2 emissions from crude oil refinement.
A team at the University of Sydney has produced a new amorphous silica-alumina catalyst with stronger acidity than any previous materials.
“This new catalyst can significantly reduce the amount of CO2 emitted by oil refineries, which has the potential to make the fossil fuel industry much greener and cleaner,” Associate Professor Jun Huang.
A significant amount of carbon is emitted during the refinement of crude oil to produce products like petroleum, gasoline and diesel.
Estimates suggest 20 to 30 percent of crude oil is transferred to waste and further burnt in the chemical process, making oil refineries the second largest source of greenhouse gases behind power plants.
Silica-aluminas with strong Brønsted acidity – a substance that gives up or donates hydrogen ions (protons) in a chemical reaction – are becoming increasingly important for biomass conversion, CO2 capture and conversion, air-pollution remediation, and water purification.
“Renewable energy is important to achieving a more sustainable energy supply, but the reality is that we will still be reliant on fossil fuels in the foreseeable future,” A/Prof Huang says.
“Therefore, we should do all we can to make this industry more efficient and reduce its carbon footprint while we transition to renewable energy sources.
“This new catalyst offers some exciting prospects, if it were to be adopted by the entire oil refinery industry, we could potentially see a reduction of over 20 percent in CO2 emissions during the oil refinement process.
“That’s the equivalent of double Australia’s crude oil consumption, over 2 million barrels of oil per day.”
“The new catalyst also has the potential to develop the biomass industry. We can now look to biomass material like algae to be part of sustainable energy solutions.”
The researchers are now working on manufacturing the new catalyst at a large, industrial scale.