A Study of Semifluidized Bed Adsorbers for Water and Wastewater TreatmentFan, Liang-tseng and Mathews, AlexanderNational Science Foundation (NSF), Directorate for Engineering, Division of Chemical, Bioengineering, Environmental, and Transport Systems (ID: 8507422), $127,174USD, 07/01/1985 -- 12/31/1988