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B. L. Roberts


Click on the titles below to find US government-authored or -collected reports written by B. L. Roberts

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Micellar Enhanced Ultrafiltration for Recovery and Concentration of Trichloroethylene in Groundwater APR 92 51 pages
Authors:  B. L. Roberts; J. F. Scamehorn; S. D. Christian; E. E. Tucker; H. Uchiyama; SURFACTANT ASSOCIATES INC NORMAN OK
The full text of this report is available for sale.The objective of this experimental investigation was to determine the feasability of micellar-enhanced ultrafiltration (MEUF) and vacuum stripping process in concentrating and separating trichloroethylene (TCE) from contaminated groundwater. The theory is to add surfactant to the contaminated groundwater to form micelles which bind the TCE molecules. The micelles containing the TCE are then removed by ultrafiltration using a spiral-wound membrane. To remove the TCE from the surfactant, this concentrated solution ...


A System for Imaging and Analysis of Rocket Nozzle NDE Data OCT 87
Authors:  D. R. Jones; R. S. Frankle; B. L. Roberts; CHEMICAL PROPULSION INFORMATION AGENCY LAUREL MD
The full text of this report is not available and therefore is not for sale. This information is provided for reference purposes only.With the forthcoming installation of the ARNIS computed tomography (CT) systems, CT will become an integral part of rocket nozzle inspection. However, the practical application of CT will require the development of associated capabilities which will permit CT to be routinely used for nozzle inspection and acceptance. One of these capabilities is the ability to identify and evaluate anomalies in an efficient, timely manner. Solution of this problem is complicated ...


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