Articles

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  • Distillation control and optimization, Part 1

    Control columnist Bela Liptak describes the distillation process and PID-based controls, reviews optimization strategies, and shows how advanced controls can cut operating costs of distillation.

    Béla Lipták, PE, Control Columnist
    01/11/2006
  • Today’s China Syndrome

    The country boasts not just booming exports but a strong desire for the best technology.

    Mike Spear, editor at large
    09/27/2005
  • Process engineering: Dryer provides a concrete lesson in control

    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.
    05/03/2005
  • Process engineering: Doing your level best

    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.

    04/08/2005
  • Chemical research gets a new look

    Editor at large Nick Basta looks at what the chemical industry can do to re-invigorate its technological research. He says technology pioneered in the pharmaceutical industry promises broad benefits.

    03/11/2005
  • Process engineering: In the trenches of Fieldbus War II

    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.

    03/10/2005
  • Process Engineering: Measure problems on a higher level

    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.

    03/03/2005
  • Automation & IT: Making a HART connection

    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
    02/10/2005
  • Process engineering: Fieldbus is here - are you ready?

    Digital-based protocols, such as those used by fieldbus technology, are finding their way into a wider range of plant automation technologies. Read about the Fieldbus Foundation and how its technology can be implemented at your plant.

    Joe Conklin, Fieldbus Foundation
    02/10/2005
  • Process Engineering: Looking for good data?

    Are you experiencing problems with measurement uncertainty and are often left with poor data? Let Dr. Gooddata help you develop objective numerical tests for good data.

    Ronald H. Dieck, Ron Dieck Associates Inc.
    02/04/2005
  • Process engineering: Doing your level best

    Level measurement can be a simple issue with numerous solutions.  Measuring the height of the material in a vessel is merely an interface issue that can be resolved in a variety of ways.

    01/21/2005
  • Process Engineering: Batch control sets the standard

    It has been nearly a decade since the Instrumentation, Systems and Automation Society (ISA) introduced S88, its first standard for batch control systems.  Its still integral in optimizing operations today.

    01/19/2005
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