Size Letdown Lines for Pressure Surges
Gianni Anci
A high-pressure gas flow in a letdown circuit can cause damage to piping and equipment. Here is how to design a system to avoid damage should a pressurized gas flow occur GianniAnci-
Chemical Engineering Practice
Optimize Mixing by Selecting the Proper Baffles
Julian B. Fasano, Kevin J. Myers, Mark F. Reeder
It is common knowledge that baffles promote better flow in an agitated vessel, but how to apply them and what kind to use take some ingenuity.
Compact Heat Exchangers -- Part 3: Retrofit Heat Recovery Networks With Plate Exchangers
Christopher Haslego, Graham T. Polley
Pinch analysis retrofit procedures can be extended to handle compact exchangers.
Profiting From Your Pumping System
Aimee McKane , Vestal Tutterow, Don Casada
Identify ways to minimize the lifecycle costs of your pumping system
Improve Solids Handling During Thermal Drying
Herman Purutyan, John W. Carson, Thomas G. Troxel
Follow these guidelines for ensuring the proper flow of slurries, pastes and wet powders to achieve a dried product with the desired characteristics.
Selecting and Using Bolted Head Closures
John C. Birkmire, P.E.
Proper design, fabrication, assembly and operation of a pressure vessel closure are essential to ensuring product containment, integrity and quality.
Solving Phase Equilibrium Problems
James R. Reinhardt, Terrence L. Chambers
Use this optimization-based approach to analyze multi-component, multi-phase Equilibria.
Visualizing the McCabe-Thiele Diagram
Paul M. Mathias
Use this spreadsheet-based visualization and interactive analysis of the McCabe-Theile diagram to understand the foundations of distillation engineering. <br><br>
Identifying Corrosion and Its Causes
Gary Geiger, Mel J. Esmacher, P.E.
An important first step in maintaining equipment reliability and efficiency is understanding the various types of corrosion damage that can occur.
Reduce Costs with Dividing-Wall Columns
Dennis O'Brien, Douglas A. Stewart, James W. Harris, Michael A. Schultz, Mohamed S.M. Shakur, Steven P. Rosenblum
These distillation columns can significantly reduce capital and energy expenses vs. conventional multicolumn arrangements.
Computationally Evaluate Self-Reactivity Hazards
Edward S. Shanley, Michelle R. Murphy, Surendra K. Singh
Here is a method that rates the tendency of new compounds to self-explode without the need to perform extensive laboratory tests.
Production Modeling for Multimodal Operations
Jeffrey D. Kelly
Two new views for production modeling are introduced - production flow networks and production flow maps - that focus on unit operations and feedstocks, respectively.
Beware of Pitfalls of Carbon Dioxide Freezing Prediction
Steve Chafin , Tim Eggeman
Carbon dioxide freezing in a cryogenic system can result in plugging and other operational problems. This article offers insights into the carbon dioxide freezing phenomenon.
Pipeline Pressure Drop: A New Design Correlation
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.
Selecting Entrainers for Azeotropic Distillation
Lionel O’Young, Madhura Chiplunkar, Vivek Julka
This systematic methodology uses residue curve maps to identify and evaluate substances that can facilitate distillation by breaking an azeotrope.
Realize Greater Benefits from CFD
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.
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