Unlocking The Potential Of CO2 Conversion To Fuels and Chemicals As An Economically Viable Route To CCR | AIChE

Unlocking The Potential Of CO2 Conversion To Fuels and Chemicals As An Economically Viable Route To CCR

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CO2 conversion to fuels and chemicals has the potential to treat hundreds of millions of tons of CO2 annually, but so far the process has never been economic.   This paper will consider a simple process for CCR where CO2 is captured, and subsequently converted to fuels and chemicals using a low temperature, low pressure electrochemical process running on renewable energy.  Previous workers have found that such a process is possible but not economically viable because the selectivity and energy efficiency of the process was modest.   In a recent paper published in Science, we reported new catalysts that raised the selectivity/potential utilization of the CO2 to over 98% and increased the overall energy efficiency to nearly 80%.   The initial devices were small, but in ARPA-E funded work that started in Feb 2013, we already increased the scale of the device by a factor of 5 and increased the product output by a factor of 100.   The next larger cell prototype has already been built.   These results, and our future plans will be discussed at the poster.

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