Articles

201-220 of 241 < first | | | last >
  • Make the most of HART-enabled field devices

    HART-enabled field devices offer many benefits and not just for process control. They can lead to productivity gains, maintenance savings and more efficient and accurate recordkeeping.

    Dan Prugar, Meriam Process Technologies
    08/11/2005
  • Software Drives OEM Toward Efficiency and Energy Savings

    ABB designed software for its ACS800 drive so Curtis-Toledo could improve the operation of its rotary-screw compressors. The customized software can control the system pressure, air delivery, oil temperature and duty cycle directly from the drive.

    John Wilmes, ABB Inc.
    06/23/2005
  • 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: 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 Manufacturing Workforce: Don't Be Thrown for a Loop

    When processing chemicals, it has become increasingly important to isolate the process from the work environment. The agitated filter dryer accomplishes this by providing a high degree of containment.

    Ian Nimmo and John Moscatelli, User Centered Design Services LLC
    04/08/2005
  • Process engineering: Pneumatic conveying moves ahead

    Pneumatic conveying has long been a popular choice for moving bulk materials. However, the technology hasn't been standing still, and this can influence the choice between several types of pneumatic systems.

    Nick Basta
    04/04/2005
  • Process engineering: Avoid pitfalls when starting up pumps

    Improper startup can result in excessive temperature and radial loading, both of which can lead to lower pump reliability from problems such as seal and bearing failure. Consultant Ross Mackay describes the three steps that should be followed during pump startup.

    03/14/2005
  • Fieldbus technology: Cut through the confusion

    Fieldbus technology offers many benefits to a chemical processor if used correctly. The key is to focus on front-end design to achieve the full benefits of fieldbus technology.

    Ian Verhappen, P.Eng., ICE-Pros
    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
  • Process engineering: Is your pump cavitating?

    That rumbling/rattling noise you hear from your pump is the symptom for any number of potential problems. The first step is identifying the problem. This article will help you determine what exactly is wrong with your pump.

    Ross Mackay
    02/15/2005
  • Keep temperature control out of hot water

    Readers offer tips about how to control the temperature of a water stream. (From the Process Puzzler column in November 2004 Chemical Processing magazine.)

    11/01/2004
  • Adaptive control takes a leap forward

    The next generation of adaptive controllers will identify a process model quickly and automatically and provide process model parameters that can be displayed, trended and diagnosed.

    Gregory K. McMillan, Washington University, Mark S. Sowell, Solutia, and Peter W. Wojsznis, Emerson Process Management
    09/14/2004
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