Fundamentals (Chemical Engineering Theory)

Overview of Boiler Water Treatment and Associated Wastes

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Wednesday, May 1, 2013 - 10:00am-10:30am
Overview of Boiler Water Treatment and Associated Wastes Boiler water treatment consists of steps to remove contaminants that will corrode or cause...

NFPA 68 New Gas Venting Equations

Conference Presentation
AIChE Spring Meeting and Global Congress on Process Safety
Monday, April 29, 2013 - 1:30pm-2:00pm
The 2013 edition of NFPA 68 Standard on Explosion Protection by Deflagration Venting will replace vent area sizing equations containing the gas...

Fuel Processing: Renaissance of the Second Decade (Keynote)

Conference Presentation
AIChE Annual Meeting
Tuesday, October 30, 2012 - 3:15pm-3:45pm
The early development of fuel processing technologies for fuel cell systems was, to a great extent, driven by fuel cell automobile programs. At the...

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...

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...

Success and Prospects in Transport

Conference Presentation
AIChE Annual Meeting
Sunday, November 16, 2008 - 7:00pm
The study of transport phenomena is an important area of chemical engineering. In many ways it differentiates chemical engineering from other...

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...

AIChE Journal Highlight: Tribute to Founders: John M. Prausnitz

October
2015
Journal Highlight
Credited for his vision of combining fundamental molecular theory with practical thermodynamic applications in what he called molecular thermodynamics, John M. Prausnitz has profoundly affected the chemical engineering discipline. A tribute to...

Introduction to Solid-Fluid Equilibrium Modeling

September
2014
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

June
2006
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.

Use Exponential Functions to Correlate Temperature Dependence

July
2008
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...

Fluid Flow for the Practicing Chemical Engineer

June, 2009
This book teaches the fundamentals of fluid flow by including both theory and the applications of fluid flow in chemical engineering. It puts fluid flow in the context of other transport phenomena such as mass transfer and heat transfer, while covering the basics, from elementary flow mechanics to...

Harness Electricity to Operate Valves

June
2012
Back To Basics
Justin Ledger
Actuators automate valves by converting an input signal into motion. This article explains the basics of electric actuator design and explores the different types of electric actuators.

Selecting a Heat Exchanger Shell

June
2011
Back To Basics
Thomas G. Lestina, P.E.
The first step in specifying a shell-and-tube heat exchanger is choosing the right shell to meet process requirements.

Evaluating Cooling Tower Upgrades

May
2008
Heat Transfer
Tom Dendy
When considering improvements to cooling towers, it's important to perform an economic analysis of the options.

Understand Thermodynamics to Improve Process Simulations

December
2011
Computational Methods
David Hill, Fred C. Justice, P.E.
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.

Working with Non-Ideal Gases

March
2003
Fluids and Solids Handling
Jimmy Peress
Here are two proven methods for predicting gas compressibility factors.

Realize Greater Benefits from CFD

March
2001
Fluids and Solids Handling
Ahmad H. Haidari, Andre  Bakker,  Lanre M. Oshinowo
Computational fluid dynamics has moved from mainframes to PCs and laptops. Newer and better software lets you conduct analyses not possible before, and regular engineers, not just experts, can now carry out CFD.

Inhibiting and Monitoring Corrosion

March
2012
Heat Transfer
Gary Geiger, Mel J. Esmacher, P.E.
Understand corrosion and ways to control it, and implement these monitoring techniques to improve cooling water system efficiency and reliability and reduce energy consumption.

Solving Phase Equilibrium Problems

September
2008
Reactions and Separations
Terrence L. Chambers, James R. Reinhardt
Use this optimization-based approach to analyze multi-component, multi-phase Equilibria.

Pipeline Pressure Drop: A New Design Correlation

June
2006
Fluids and Solids Handling
Roger Gilmont
A linear equation has been derived to accurately calculate the flowrate of fluids in the laminar and turbulent regions, and to derive an equation for use in the transitional regions.

Apply Solubility Theory for Process Improvements

March
2004
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.

Produce Reliable Models with Efficient Meshing

August
2010
Computational Methods
Phil Byrne, Ed Fontes, Henrik von Schenck, Christian Wollblad
Improve your modeling skills to construct accurate, effective meshes that simulate or optimize a process in less time.

A Simple Approach to Vapor Pressure Prediction

January
2007
Reactions and Separations
Andrew J. DeDoes, Matthew D. Goetz, Michael J. Misovich
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.
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