Articles

281-300 of 336 < first | | | last >
  • Energy savings are often disguised as problems

    Carefully managing compressed air can save money. Compressed air is often overlooked in energy studies because many people do not fully understand compressed air equipment, their own system, or what it costs to produce compressed air power.

    Scott Van Ormer and Don Van Ormer, senior application engineers, Air Power USA
    08/18/2006
  • How to select control valves, Part 1

    When it comes to selecting and sizing control valves, the non-commercial chart in this article not only helps you pick the right one for the job, but also serves as a reference tool you can download.

    Béla Lipták, PE, CONTROL Columnist
    08/15/2006
  • Choose the right temperature sensor

    There’s no simple solution to achieving accurate temperature measurement. It’s a combination of knowing the inherent accuracy of particular sensor types, and how environmental factors can create further measurement uncertainty and the sensor calibration techniques available to reduce this uncertainty.

    Cal Swanson, Watlow Electric Manufacturing Co.
    04/24/2006
  • Soft sensors win hard jobs

    Virtual instruments are gaining increasing roles — and capabilities — for closed-loop process control.

    C. Kenna Amos, contributing editor
    01/04/2006
  • pH linearization lubricates waste control

    Learn how a simplified technique for linearizing pH can enhance control in waste treatment applications and eliminate the need for gain-adjusting techniques.

    11/15/2005
  • 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
  • Simulated Moving Bed Chromatography Offers Real Attractions

    A continuous purification technique, simulated moving bed chromatography combines high yields and purities with easy scale up and reasonable throughputs.

    Kathleen Mihlbachler, Eli Lilly and Company, and Olivier Dapremont, Aerojet Fine Chemicals
    08/31/2005
  • Innovative corrosion monitoring solutions enhance process optimization

    Sensors now can provide data on both general and localized corrosion that allow corrosion to be treated as a real-time process variable. Using such data effectively can play an important role in optimizing plant operations.

    Dawn C Eden, David A Eden and Russell D Kane, InterCorr International, Inc., Houston, Texas
    08/16/2005
  • Process manufacturing: No transfer required

    As the pharmaceutical industry has matured, concerns about the safe handling of drug compounds during the manufacturing process have increased. To meet exposure limits and protect batches from any kind of contamination, the industry’s need for improved containment has increased.

    Diane Dierking
    05/04/2005
  • 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: FRI meets distillation needs

    Distillation has always been a critical and costly step in the manufacture of products in the petroleum, chemical, and pharmaceutical industries. Fractionation Research reveals how companies can pool their efforts to obtain experimental distillation data.

    04/29/2005
  • 2005 Chemical Industry Salary Survey: Field of Greens

    Changing market conditions have prompted us to take a closer look at the chemical processing industry as it continues to evolve. The result is our first-ever salary survey, which has yielded some interesting insights into the workplace.

    Lisa Greenberg, managing editor
    04/12/2005
  • Process Engineering: HART – Dealing with device description

    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.

    Ed T. Ladd, Jr.
    04/12/2005
  • 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
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