Solids Separation Due to Differential Inertia

by Harry J. Sterling, Jr., (A.M.ASCE), Project Engr.; Environmental Services, Mason & Hanger-Silas Mason Co., Inc., Lexington, Ky.,
Don J. Wood, (M.ASCE), Prof. of Civ. Engrg.; Univ. of Kentucky, Lexington, Ky.,


Serial Information: Journal of the Environmental Engineering Division, 1978, Vol. 104, Issue 4, Pg. 647-658


Document Type: Journal Paper

Abstract: A scheme for separating solids from a suspending liquid is investigated. The separation technique utilizes inertial differences for solids and liquids to effect separation in accelerating flow. Flow is withdrawn from the center of a pipe transporting a slurry. Because of the relatively higher inertia of the solids a significant percentage of the solids originally in the flow that is withdrawn escape and the flow withdrawn has a lower solids concentration. This scheme is investigated both experimentally and analytically and is shown to be effective. The results suggest that the scheme studied and other similar methods offer a viable separation technique that will result in significant benefits for certain applications.

Subject Headings: Solids flow | Inertia | Solid mechanics | Turbidity | Flow separation | Pipe flow | High-rise buildings | Pipelines

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