ESG Clean Energy IP Portfolio Expands With Filing of New Patent

ESG Clean Energy IP Portfolio Expands With Filing of New Patent - Carbon Herald

ESG Clean Energy is pleased to announce the filing of a new patent application with the US Patent & Trademark Office covering ESG Clean Energy’s unique water removal system. The new filing is in addition to 8 previously issued patents with respect to ESG’s Clean Energy System.

ESG is about to demonstrate, at an existing power project in Holyoke, Massachusetts, how its revolutionary system improves carbon capture.

“This is groundbreaking technology we believe will have a very positive impact on the way to prevent more carbon dioxide from entering our atmosphere,” said Nick Scuderi, president of ESG Clean Energy. “We believe our system solves the issues of equipment cost and energy needed to make carbon capture economically viable. The design can be scaled up for large power plants or scaled down for small, distributed power facilities, and eventually the transportation industry.”

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When capturing CO2 either from the atmosphere or from a combustion process like a gas-fired power plant, a common issue that must be dealt with is the presence of water in the system. Water is always present in relatively large quantities. In the atmosphere water can be as much as 100 times the amount of CO2. In a combustion exhaust stream the water and CO2 are in about equal amounts that make up almost 40% of the total volume.

Water interferes with the capturing of CO2, making it much more difficult to regenerate or purge the medium that is capturing the CO2. Removing water from a gas mixture like the atmosphere or exhaust can be very complicated. In fact, there is a field of engineering called Psychrometrics that studies the physical and thermodynamic properties of similar gas-vapor mixtures. Removing the water from a gas mixture can take a large amount of energy and can require large and expensive equipment.

However, if the water can be removed without requiring large amounts of cost and energy, then carbon capture would be economically feasible and relatively easy to accomplish. It also can be applied to both large and small systems such as large power facilities or individual buildings.

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ESG’s system consists of a unique membrane condenser coupled with a hybrid absorption/compression cooling system. The technology involves many complex features including heterogenous nucleation, transport membrane condensers, dew points, saturation level, capillary condensation, and relative humidity.

Put simply, the technology can be described as a way of getting water to separate from a gas mixture in a similar way that water from the atmosphere forms dew on grass in the morning. The gas is cooled by a rather special heat exchanger that both cools the gas and separates the water by having it pass through a ceramic membrane.

The water ends up on one side of the membrane while the rest of the gases remain on the other side. The cooled and dry exhaust then flows to a carbon capture system where the CO2 is captured without the interference of the water previously in the system.

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