Credit: University of Delaware
Two chemical engineers at the University of Delaware are developing new, better ways to produce fuels from sunlight.
Feng Jiao, associate director of the Center for Catalytic Science and Technology, and Bingjun Xu, an assistant professor of chemical and biomolecular engineering at UD, received a $500,000 grant from the National Science Foundation for research on solar-driven carbon dioxide utilization for environmental sustainability.
"If successful, this technology could provide the community a green, sustainable way to produce chemicals and fuels without using any fossil source," said Jiao. "This technology also aims to address the challenges associated with renewable energy utilization and storage."
The world's population is projected to reach a 9 billion people by 2050, and it will be increasingly critical to balance food, energy and water resources and reduce harmful carbon dioxide emissions as the population expands. Many processes involved in food and water production, from water treatment and transport, to farming, to food processing, are major contributors to carbon dioxide emissions.
In collaboration with researchers at Tianjin University in China, Jiao and Xu are designing a system that could reduce greenhouse gas emissions by using carbon-neutral solar electricity. Their system will utilize electrolysis, a process that utilizes electric current to spur a chemical reaction, to convert carbon dioxide and water to liquid carbon-based fuels such as ethane and propane. They will use copper as a catalyst to speed up their chemical reactions.
Then, the research team will develop a prototype reactor and perform technical and economic analysis to determine the potential to commercialize this technology.
"If the result is positive, we plan to work closely with renewable energy companies and other chemical companies to scale it up," said Jiao. If used on a large scale, this technology has the potential to reduce the environmental impact of fossil fuels and biofuel crops, which require large volumes of water and land to produce.
Finally, the team will determine the environmental impacts of their device.
The technology developed through this collaboration could help the solar industry and research community and could be extended to chemical processes beyond the breakdown of carbon dioxide.
Preliminary research for this project was funded by a seed grant from the Delaware Energy Institute.
This project brings together two experts with complementary expertise. Jiao, an expert in carbon utilization, recently shared his perspective before the U.S. Senate Committee on Environment and Public Works. In 2017, Xu received a CAREER Award from NSF for his work with the electrochemical conversion of carbon dioxide.
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Original Source
https://www.udel.edu/udaily/2018/august/solar-driven-carbon-dioxide-utilization-nsf/
