1073does not require much detail about the properties of the reactive mixtures, and can be recommended for guiding the design of such columns.Registry No. m-Xylene, 108-38-3; p-xylene, 106-42-3; sodium p-xylene, 91862-16-7.
Literature Cited AcknowledgmentA-79-1) for providing financial support.We thank the engineering Foundation (grant No. RC-Fieser, L. F.; Fieser, M. "Reagents for Organic Synthesis"; Wiley: New York, Gau, C.; Marquez, S.The rate of weeping from distillation/absorption trays was measured simultaneously from two identical trays in a 24 in. diameter absorption column by using air-water system. The data were acquired via two independent methods-weepage catch tray and dye trace technique. Models of dynamic response of dye solution pulse were developed and employed to evaluate the data acquired from the latter technique. The measurement covered a wide range of operating conditions. Both sieve and valve trays were investigated. The data obtained compare favorably with some reliable data in the literature.
The hydraulic characteristics of sieve and Koch type-T valve trays have been measured in a 0.63m-diameter absorption column, with air-water system. The parameters measured include dry-tray pressure drop, hydrostatic head of liquid measured at the tray center, and total pressure drop. The operating conditions and equipment employed are representative of those encountered in industrial practice. The measured data compared favorably with few reliable data existing in open literature.
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