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Theodore R Rymal, Iii

Robert James Burns

Theodore R Rymal, Jr

Improved techniques are provided for separating mixtures of materials having different densities. The apparatus of the present invention is well suited for separating oil from water, and includes a separation tank defining a cylindrical water inlet chamber and a frustroconical separation chamber spaced above an adjoining the input inlet chamber. An oil leg is spaced above the separation chamber, and an adjustable oil overflow unit is provided adjacent the oil outlet for controlling the height of oil in the oil leg. A water leg is provided in parallel with the separation tank, and the elevation of the water outlet controls the height of water in the water leg. The oil leg overflow unit allows the head pressure in the oil leg relative to the head pressure in the water leg to maintain the interface within the separation chamber. Sensing devices are provided for monitoring the elevation of the oil/water interface within the separation chamber. The techniques may also be used to separate a mixture of a fluid heavier than water, water, and a fluid lighter than water.

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The Woodlands, TX, United States of America

Theodore R Rymal, Iii