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Sustainable Innovations' renewable methane fuel

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Hydrocarbon Engineering,

Sustainable Innovations, Inc. (SI) is developing an electrochemical system that addresses multiple challenges and opportunities in the energy supply marketplace. The CO2RENEWTM converts waste CO2 and H2O to methane fuel, the primary energy carrier in natural gas. This fuel can then be stored or transported in the existing natural gas pipeline to points of need.

CO2, a waste gas from combustion processes commonly attributed to climate change, provides an abundance of one of the necessary raw materials for what is known as a 'power-to-gas' energy storage solution. The other input is renewable energy from wind or solar sources, which are inherently intermittent based primarily on weather or seasonal variations. The result of the process is a high quality, practical fuel that can be used to heat buildings, generate electricity or power vehicles. A primary feature of SI's system is that it utilises excess or off-peak renewable power that might otherwise be wasted, and provides electric grid stabilisation through energy storage.

The increasing level of greenhouse gases in the atmosphere, such as carbon dioxide, CO2, is intensifying global interest in discovering sustainable methods for the utilisation of fossil fuels and the products of their combustion. As such, Sustainable Innovations, Inc. (SI) received a contract from the US Department of Energy (US DOE), National Energy Technology Laboratory (US DOE-NETL) to demonstrate the electrochemical process and characterise its performance in converting CO2 to methane. This builds from SI' prior success in converting CO2 to transportation fuels like methanol and important commodity chemicals such as formic acid.

Sustainable Innovations' new system addresses many growing global environmental and economic concerns by offering a means to convert a well recognised greenhouse gas in the atmosphere, CO2, to useable byproducts. According to Dr. Trent Molter, President and CEO of Sustainable Innovations, "This project builds on the successful proliferation of renewables and leverages the current natural gas pipeline infrastructure to address a globally recognised environmental concern by creating fuels from problematic greenhouse gases. Our success, no doubt, will provide a new means for addressing global energy needs using clean technologies."

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