Energy and Entropy, Concepts and Balances

Live Webinar
Live Wednesday, May 20, 2015, 2:00pm-3:00pm EDT
Energy and entropy balances are central to process thermodynamics calculations. This presentation reviews the principles for each balance. Examples...

Using Aspen Plus in Thermodynamics Instruction: A Step-by-Step Guide

February, 2015
Stanley I. Sandler offers a step-by-step guide for students and faculty on the use of Aspen in teaching thermodynamics. The book shows how easily-accessible, modern computational techniques are opening up new vistas in teaching thermodynamics, using a range of applications of Aspen Plus for the...

CO2 Capture Performance of Imidazole-Based Solvents

Conference Presentation
AIChE Annual Meeting
Monday, November 17, 2014 - 12:45pm-1:15pm
ION Engineering, The University of Alabama and other partners are currently building a slipstream-scale process for post-combustion CO2 capture at an...

Phase Behavior of Gases in Ionic Liquids

Conference Presentation
AIChE Annual Meeting
Tuesday, November 5, 2013 - 3:15pm-3:30pm
This presentation will emphasize the importance of characterizing the global phase behavior of gases in ionic liquids and how this can provide...

Gas Cleanup Using Elastic Layered Metal-Organic Framework Adsorbents

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 30, 2013 - 9:00am-9:30am
The suitability of elastic layered metal-organic frameworks (ELM) for the removal of carbon dioxide from methane-rich gas mixtures was evaluated...

Unique Failure Mode for API Seal Plan 76

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 2:30pm-3:00pm
Unique Failure Mode for API Seal Plan 76 Double mechanical seals with a pressure alarm in the containment chamber are commonly used in LPG and other...

Modelling of a Filter Drying Process

Conference Presentation
AIChE Annual Meeting
Monday, October 29, 2012 - 5:15pm-5:45pm
Filter drying, also referred to as vacuum contact drying, is a process widely used in the pharmaceutical industry to remove water or organic solvents...

Appropriate Placement of Compressors and Expanders

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, April 4, 2012 - 12:00am
The term “Appropriate Placement” was introduced in Pinch Analysis during the 1980s to indicate how special unit operations should be correctly...

Cryogenic Expander Application in Propane Liquefaction Process

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Tuesday, April 3, 2012 - 12:00am
The use of cryogenic liquid expanders in the propane liquefaction process can increase the amount of liquefied product by reducing the boil-off...

Introduction to Pinch Analysis

Archived Webinar
Apr 27, 2011
This webinar introduces the basic principles and tools of pinch analysis and shows how they can be applied in real-world applications.

Success and Prospects in Thermodynamics

Conference Presentation
AIChE Annual Meeting
Sunday, November 16, 2008 - 7:00pm
Accurate thermodynamic models are essential to any chemical engineering endeavor. In this presentation, Cummings reviews some of the more important...

Introduction to Solid-Fluid Equilibrium Modeling

Back To Basics
Chau-Chyun Chen, Yifan Hao, Sheik Tanveer
This article introduces the thermodynamic property models that are commonly used in process simulators to perform solid-liquid equilibrium and solid-supercritical fluid equilibrium calculations.

Troubleshooting Distillation Simulation

Reactions and Separations
Stanislaw K. Wasylkiewicz
A tool called azeotrope pressure sensitivity analysis (APSA) can shed light on the dependence of an azeotrope's composition and temperature on changes in pressure.

Understanding Crystallization and Crystallizers

Fluids and Solids Handling
Lionel O'Young, Ketan D. Samant
Gain qualitative insight into the basic mechanisms of crystallization, the principles of crystallizer operation, and the ways in which these concepts relate to the selection and application of the various crystallizer configurations in industrial...

Use Exponential Functions to Correlate Temperature Dependence

Physical Properties
Faruk Civan
Use Exponential Functions to Correlate Temperature Dependence Asymptotic exponential equations may provide a more-accurate or easier-to-use representation of a property’s temperature dependence than commonly used polynomial expressions.

Thermodynamics for the Practicing Engineer

June, 2009
Thermodynamics for the Practicing Engineer, as the title suggests, is written for all practicing engineers and anyone studying to become one. Its focus therefore is on applications of thermodynamics, addressing both technical and pragmatic problems in the field. Readers are provided a solid base in...

Working with Non-Ideal Gases

Fluids and Solids Handling
Jimmy Peress
Here are two proven methods for predicting gas compressibility factors.

Streamlining Crystallization Process Design

Fluids and Solids Handling
Ka M. Ng, Lionel O'Young, Christianto  Wibowo
Use phase diagrams to develop reliable crystallization processes quickly and cost effectively.

Solving Phase Equilibrium Problems

Reactions and Separations
Terrence L. Chambers, James R. Reinhardt
Use this optimization-based approach to analyze multi-component, multi-phase Equilibria.

Apply Solubility Theory for Process Improvements

Reactions and Separations
Michael J. Gentilcore
For solid compounds that dissolve in solvents but do not ionize, the thermodynamics of solubility can provide valuable predictions and insights.

Understand Thermodynamics to Improve Process Simulations

Computational Methods
Fred C. Justice, P.E., David Hill
Selecting a thermodynamic model is an important step in process simulation — one that many engineers overlook. This overview of applied thermodynamics can help you choose the right model for your process.

Accurately Predict the VLE of Thiol-Hydrocarbon Mixtures

Reactions and Separations
Vince Tassone, Chorng H. Twu, Wayne Sim
This methodology can be used to calculate vapor-liquid equilibria (VLE) between thiols and hydrocarbons at any composition, temperature or pressure to improve gasoline fractionation processes.

A Simple Approach to Vapor Pressure Prediction

Reactions and Separations
Michael J. Misovich, Matthew D. Goetz, Andrew J. DeDoes
This method reproduces the vapor pressure predictions of the Soave-Redlich-Kwong and Peng-Robinson equation of state with a simple Antoine equation that uses constants derived from critical properties and the acentric factor.

Handbook of Polymer Solution Thermodynamics

December, 1993
Created for engineers and students working with pure polymers and polymer solutions, this handbook provides up-to-date, easy to use methods to obtain specific volumes and phase equilibrium data. A comprehensive database for the phase equilibria of a wide range of polymer-solvent systems, and PVT...

Handbook of Aqueous Electrolyte Thermodynamics: Theory & Application

June, 1986
Expertise in electrolyte systems has become increasingly important in traditional CPI operations, as well as in oil/gas exploration and production. This book is the source for predicting electrolyte systems behavior, an indispensable "do-it-yourself" guide, with a blueprint for formulating...
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