Importance

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Abstract

A system for concentrating gas, using the concentrated gas to pump liquid, and recycling the gas and liquid is disclosed. The system comprises a body of liquid, a down pipe in fluid communication with the body of liquid, a gas injection apparatus for introducing gas into the liquid that passes through the down pipe, a separator for separating compressed gas from the liquid, and a gas-liquid recycle loop. The down pipe and the gas injection apparatus are structured and arranged to compress the gas. The gas-liquid recycle loop comprises a compressed gas storage vessel containing the separated gas, a reservoir containing liquid separated from the compressed gas, and a gas-liquid pump. The gas-liquid pump has a gas inlet in communication with the gas storage vessel, and a fluid inlet in communication with the reservoir. The gas-liquid pump is structured and arranged for pumping the liquid back to the body of liquid and delivering the gas to the gas injection apparatus. A turbine in fluid communication with the liquid that passes through the down pipe can be optionally included. A second loop system comprising a second body of liquid, a second down pipe in fluid communication with the second body of liquid, and a second gas-liquid pump is also disclosed. The second gas-liquid pump comprises a second gas inlet in communication with a compressed gas storage area, a second liquid inlet in communication with the second liquid that passes through the second down pipe, the second gas liquid pump structured and arranged for pumping the second liquid to the second body of liquid. A second turbine in fluid communication with the liquid that passes through the second down pipe can optionally be included.

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First Claim