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Abstract

A method to improve a performance and efficiency of a liquid-gas eductor includes injecting a small amount of secondary gas into the primary motive liquid prior to the latter's arrival at the eductor. This measure simultaneously reduces the flow rate of motive fluid and maintains a level of secondary inducted flow such that the aggregate secondary flow is higher than without the intervention—for certain conditions. The additional work needed in introducing the injected secondary fluid, by auxiliary means, is a few percentage points of the work done by the motive fluid without the intervention. The quantity of secondary fluid inducted and injected by the eductor adopting the above measures approaches double than that of the secondary flow without the measure. The motive liquid volumetric flow rate is reduced slightly which with the enhanced aggregate secondary flow means that the energy efficiency of the eductor process is substantially increased.

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First Claim