University of Texas researchers on the 25th said that with the help of copper oxide nanorods and sunlight, they are conducting groundbreaking research on the use of carbon dioxide to produce liquid methanol. Cresnan Rajeshiv, the interim vice president of research at the University of Texas, said that the new approaches they tried were safer, simpler, and cheaper than the previous method of converting greenhouse gases into useful products. Rajeshiva is a renowned professor of chemistry and biochemistry and a founding member of the Center for Renewable Energy, Science and Technology (CREST) ​​at the University of Texas at Arlington. He said that the current method of producing methanol using greenhouse gases requires a catalyst, as well as high pressure and high temperature conditions. Some methods also require toxic elements (such as cadmium) or rare earth elements (such as yttrium). He also believes that as long as people use fossil fuels, they will always face the problem of how to deal with carbon dioxide. Of concern is the conversion of greenhouse gases into liquid fuels, which is an option that has the potential to add value. The researchers first plated copper oxide (Cu2O) crystallites on the surface of copper oxide (CuO) nanorods. Then in the lab, they soaked an array of nanorods of two copper oxides in an aqueous solution that is rich in carbon dioxide. Using artificial sunlight, a photoelectrochemical reaction takes place and the carbon dioxide in the aqueous solution is converted to methanol. Tackuney, an associate professor of research who recently retired, said that the reason they chose two types of copper oxides in the experiment was that they were both photoactive and complementary to sunlight. Carolyn Carson, deputy head of the University of Texas, said that meeting the needs of future energy sources and seeking ways to stop the greenhouse gas from harming society will allow scientists at the University of Texas at Arlington to connect their research work with realistic social issues. I hope they are experimenting. Room access to CO2 is just a new beginning. In addition to the publication of Rajesheva their papers in Chemical Communications, the newly published Chemical and Engineering News also featured new research results. According to reports, in the experiments conducted by Rajeshivo, the electrochemical efficiency of producing methanol was as high as 95%, and at the same time, the overvoltage phenomenon of other methods could be avoided. The researchers said that in addition to fuel, methanol is also widely used in chemical processing, including the production of plastics, adhesives, organic solvents, and wastewater treatment. In the United States, there are 18 production plants that produce more than 2.6 billion gallons of methanol per year. (Reporter Mao Li)
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