There are things that you just cannot forget such as occurred during my visit to a nitration plant that produced di-nitro toluene (DNT). My understanding was that the reactor would produce tri-nitro toluene (TNT) if nitric acid was added in excess. TNT is dynamite so the implication was that the plant would blow up if too much nitric acid was used. Needless to say, this part of the plant was only frequented by people who worked in the unit and needed to be there. Simply put, most plant people simply avoided the unit like the plague.
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In addition to over 35 years of experience as an instrument user, consultant, and expert witness, David W Spitzer has written over 10 books and 250 articles about flow measurement, level measurement, instrumentation, and process control. David (with Walt Boyes) is the author of seven Consumer Guides to various industrial flow and level technologies. David teaches his flow measurement seminars in both English and Portuguese.
Spitzer and Boyes, LLC publishes the Industrial Automation INSIDER that is an independent subscription newsletter for industrial automation and process control system users, installers and suppliers world-wide, giving a monthly update on the continuing evolution, development and convergence of automation technologies.
Spitzer and Boyes, LLC provides engineering, technical writing, training seminars, strategic marketing consulting, distribution consulting, and expert witness services worldwide, and can be contacted at +1.845.623.1830 or www.spitzerandboyes.com.