|New Articles Available
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
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.
|New Free Software Available
Drop via the Karman Method
Mr. Daan Le Roux of SASOL shares his spreadsheet based on the Karman pressure
drop method as featured in the June 2006 edition of CEP Magazine. Download the spreadsheet here.
(right-click and select "Save As")
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
|Overheard in the Online Forum
"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......"
Read the replies to this message
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
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.
Click here to join the conversation in our "Energy's
|New Forum Launched
|Many of our visitors have expressed their
disappointment with the "passing" of www.r-t-o-l.com. This site
hosted many great discussions about refinery technology over the years. Seeking a
new home for these discussions, they've asked Cheresources.com to launch a new forum for
these discussions. We've proudly launched the new "Refining,
Hydrocarbons, Oil, and Gas" forum in our message boards. Stop by and share
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.
Rupture Disk Sizing
Relief Valve Sizing
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