PPT-“Chemical Engineering Equilibrium Separations”

Lectures 12 amp 13 1 12 Oct 2012 Overview 2 AspenPlus Shortcut methods DSTWU Rigorous method RADFRAC Efficiencies Introduction to multicomponent distillation AspenPlus DSTWU. trickle flow becomes larger higher pressures. depends strongly gas velocity elevated pressures. investigate whether pressure also specific gas-liquid cocurrent trickle-flow operation. Kan Greenfield ( Lectures 14. 1. 17 Oct 2012. Overview. 2. AspenPlus. :. Shortcut methods: DSTWU. Rigorous method: RADFRAC. Efficiencies. . Introduction to multicomponent distillation (Chapter 9). Multicomponent Distillation . Dr. Ron Rusay. © Copyright 2003-2010 R.J. Rusay. Chemical Equilibrium. The reactions considered until now have had reactants react completely to form products. These reactions “went” only in one direction.. Bruce Herbert. Geology & Geophysics. Introduction. Geochemical models can predict the concentrations (activities) of species present in a system. . From this data, they can be used to deduce and quantify the chemical and biologic processes that affect the fate and transport of pollutants in soils and aquifers. . Overview. Rare crystals of . sanidine. and/or zircon are separated from a clay-rich matrix. . based on their density and magnetic properties. Aqueous separations. Crushing and sieving . (as needed). Author: Wesley Tung. Technical Things. A chemical equation of a reaction uses mole ratios to describe the production of products from reactants.. In . , hydrogen and oxygen are reactants, and water is a product.. Types of Separation. Mechanical Means of Separation. Density Separation. Centrifugation. Non-Mechanical Means of Separation. Chromatography. Distillation. Froth Flotation. 2.3 Separating the Substances in a Mixture. SMILE 2016 Winter Teacher’s Workshop. ChemE. Student Background. Presenting my Senior Project at the OSU Engineering Expo, Spring 2015. 5. th. year student in Chemical Engineering. How I chose to be a . Andy Stoker. Process Safety Consultant. Why think about Chemical Engineering?. WWW.WHYNOTCHEMENG.COM. Benefits include……. Make a real contribution to a sustainable future . Interesting challenges. Intended Student Learning. Must be able to describe the dynamic nature of a chemical system at equilibrium. Must be able to write . K. c. expressions that correspond to given reaction equations. Perform calculations involving . E-mail: . benzene4president@gmail.com. Web-site: http://clas.sa.ucsb.edu/staff/terri/. Chemical Equilibrium – Ch. 6. 1. Consider the following reaction: . N. 2. (g) 3 . H. 2. (g) . ⇌ . The State of Chemical Equilibrium. Chemical Equilibrium. : The state reached when the concentrations of reactants and products remain constant over time.. 2 NO. 2. (. g. ). N. 2. O. 4. (. g. ). Brown. . When the rates of the forward and reverse reactions become equal, the concentrations of the reactants and the products remain constant. This is the stage of chemical equilibrium. This equilibrium is . Chemical System: . A system is described in terms of empirical properties such as . temperature, pressure, volume and amount of substance present.. By definition, all chemical systems are fast, quantitative, stoichiometric and spontaneous! However, this assumption is NOT always true..