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Feasible Products for Double-Feed Reactive Distillation Columns
We have developed a quick and effective method to predict the feasible products from a double-feed reactive distillation column. The method relies on the prediction of the pinch point for the middle section, using a cross-flow arrangement of vapor−liquid continuously stirred tank reactors (CSTRs). The cross-flow model substantially simplifies the prediction of the compositions at both ends of the middle section of a two-feed column, which are then used to predict the feasible distillate and bottoms compositions, using existing methods. The cross-flow arrangement can also be used to predict minimum and maximum flows for double-feed reactive distillation columns
Bacterially Induced Struvite Growth from Synthetic Urine: Experimental and Theoretical Characterization of Crystal Morphology
Controlled Formation and Dynamic Wulff Simulation of Equilibrium Crystal Shapes of GaAs Pyramidal Structures on Nanopatterned Substrates
Screw dislocations on polycenes: A requirement for crystallization
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60700.pdf (publisher's version ) (Closed access)The morphology and growth behavior of naphthalene, anthracene, and tetracene is studied both experimentally and by computer simulations. We will show that the attachment energy morphology prediction for all compounds gives approximately the correct habit, but that this is merely coincidental. Our Monte Carlo simulations and vapor growth experiments show that the thickness growth of the crystals perpendicular to the {001} faces is due to spirals on that face. If these screw dislocations were not present, the basal faces would not grow and no crystal would be formed at moderate driving force. At very high driving forces, very thin plates without screw dislocations were observed, with a morphology that is in agreement with the results of our Monte Carlo simulations