Importance

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Abstract

Three flow paths within a single container are provided for the separation of contaminates, such as floating debris, heavy trash, lighter fluids and heavier fluids, from an effluent stream. A first flow path is provided for low flow conditions wherein the effluent stream pools in a first chamber within the container and the surface of the pooled fluid is drawn off, leaving heavy contaminates within the first chamber. The drawn fluid, with lighter and/or floating contaminates, enters a second chamber. The fluid is drawn from the second chamber below the surface level of the fluid, leaving the lighter and floating contaminates within the second chamber. In moderate flow conditions, a second flow path is established from the first chamber and out the container, bypassing the second chamber. Fluid for the second flow path is drawn from below the surface of the fluid in the first chamber to exclude light and floating contaminates. A third flow path is established when the first and second flow paths are insufficient to accommodate the effluent received by the container. The third flow path draws from the surface of the fluid in the first chamber and bypasses the second chamber in discharging from the container.

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First Claim