Removing water or moisture from a liquid stream is a critical operation in many processes. Liquid stream dryers commonly contain either molecular sieves or adsorbents; during the last 20 years, the use of molecular sieves has become much more common.
Andrew Sloley, contributing editor, and Richard Readshaw, senior staff process engineer for VECO USA Inc.
There is a myth surrounding HART devices that you'll need a device description to communicate with a HART device. Learn why this isn't true and what you do need to know in operating a HART communication device.
Plant engineers who find it is difficult to get good level measurements have plenty of company. A recent poll shows that it is considered to be one of the two most vexing problems by process automation professionals.
Like the 20th Century’s Great Conflict, the first Fieldbus War never really ended. But what will the outcome be this time? This article from CONTROL makes an educated prediction on how the battle may turn out.
A reader has a level measurement problem with a differential pressure level transmitter. The transmitter does not track the level properly. Check out the question and the in-depth answer in this contribution from ControlGlobal.com.
This article is the first in a series of web-exclusive items designed to increase your knowledge about the HART Field Communications Protocol. Read here to find out the benefits of using HART Communication.
Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
The HART Communication Foundation is an exclusive contributor to ChemicalProcessing.com. The Foundation is an independent, non-profit organization that provides worldwide support for application of the HART Protocol.
Particle segregation is a common problem in many bulk storage systems and its presence creates serious quality control problems. This exclusive contribution from Diamondback Technology discusses the do's and dont's of particle segregation.