Dateline: January 22, 2007

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Capitalizing on Nanotechnology's Enormous Promise
From our guest author, Suzanne Shelley, learn how commercial-scale advances continue to exploit the advantages of nanscaled materials.  Read the full article.

Liquid-Liquid Extraction: An In-Depth Look
Discover both the basics and some advanced features of liquid-liquid extraction including the equipment used.  Read the full article.

Understanding Compressible Flow
Learn about the common pitfalls that process engineers typicall encounter when examining compressible flow.  Read the full article.

Revised: Rupture Disks for Process Engineers - Temperature and Back Pressure
Phil Leckner as revised and exapnded one of several excellent articles in his serious on pressure relieving scenarios.  Read the full article.

Chemical Plant Cost Estimation
Ever wonder what really goes into estimating the cost of a world scale chemical production facility?  Here is a sample of such a spreadsheet used for a project in India.  Build your own from this sample which includes virtually all of the economics that need to be considered.  Download the spreadsheet here. (right-click and select "Save As")

Relief Valve Verification

"I work for a large company that started as a research company over 15 years ago. The facility probably has over 900 relief valves in service now with little to no documentation supporting their sizing basis. Obviously, this is a problem. We are in the process of obtaining as much nameplate information (legibility has been a problem) as possible before beginning the long and tedious task of reverse engineering the sizing basis of each and every valve......"

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LANL Engineering Standards
Looking for a great place for welding standards and qualification forms?   Check out the LANL Engineering Standards section on welding from Los Alamos labs.

Novel Power-Generation Strategies
Guest author, Suzanne Shelley, explores the current novel power generation strategies.   Engineering advances related to both coal and biomass gasification, and the use of solar and wind energy, are helping change the face of power generation, by enabling commercial-scale electricity production that has significantly reduced fossil fuel use and environmental impact.  Read the full article.

Ethanol as a Transportation Fuel
Guest author, Krishnamachari Govindarajan of Petchem Consultants, discusses the advantages and disadvantages of using various alcohols as transportation fuels.  Read the full article.

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Rupture Disk and Relief Valve Sizing
When it comes to sizing rupture disks and relief valves, it important that you're using tools that you trust.  Two of our most popular titles, Rupture Disk Sizing and Relief Valve Sizing, are from a seasoned consultant by the name of Don Coffman.  English and Metric units are included. 

Preview Rupture Disk Sizing here.
Preview Relief Valve Sizing here.

Purchase Rupture Disk Sizing
Purchase Relief Valve Sizing