For many people, one of the most important features to consider when sourcing a vacuum pump is the ability of that pump to hold up over the long term. Pumps are exposed to a wide range of operating conditions that…
In light of the operational concerns reviewed in Part 1, this chemical recycling firm decided to evaluate different pump technologies. Fortunately, recent advances in vacuum pump technology make dry-running pumps a viable option for many of those currently using liquid…
A major part of field work lies in troubleshooting problems: finding out why a system is not operating the way it is intended. This article provides guidelines for effective troubleshooting and contains many practical examples of their successful use Effective…
When vortex formation limits outflow from a tank, consider a disc-type vortex breaker Chemical engineers have long said that, while it is easy to get liquid into a tank, it can be difficult to get liquid out. Large line sizes…
The use of today’s high-performance rupture disc designs can help to reduce many common operating problems and support increased throughput requirements Chemical process industries (CPI) plants are typically designed to achieve specific production volumes, but as anyone who has worked…
This column is based on “Calcium Carbonate Production from Limestone: Cost Analysis,” a report published by Intratec. It can be found at: www.intratec.us/analysis/calcium-carbonate-production-cost. Calcium carbonate (CaCO3) is a mineral that occurs naturally in chalks, limestones and marbles. Its largest use…
Process safety strategies, water use and alkylation technology were among the topics figuring prominently at the 2016 AFPM annual meeting An evolving set of issues facing petroleum refiners in the U.S. figured prominently at the annual meeting of the American…
An overview of the tools available to reliability professionals for making their organization the best-in-class Since the 1960s, process facility operators have made concerted efforts to improve the overall reliability and availability of their plants. From reliability theory to practical…
Handbook of Seal Integrity in the Food Industry. By Michael Dudbridge, Wiley & Sons, April 2016, 232 pages, $120.00. Curious Tales from Chemistry: The Last Alchemist in Paris and Other Episodes. By Lars Ohrstrom, Oxford University Press, January 2016,…
Chemical functional groups are critical determinants of the properties and reactivity of compounds. The following provides a review of the structures of common organic functional groups, along with some notes and examples. Alkyne. Acetylene is used as a fuel for…