Articles

181-200 of 225 < first | | | last >
  • 10 principles for securing control systems

    KEMA Consultant Jay Abshier takes an unbiased and highly detailed look at where plant security really is, and what is being done to better protect our process automation systems and infrastructure. Print page Email page 10 principles for securing control systems KEMA Consultant Jay Abshier takes an unbiased and highly detailed look at where plant security really is, and what is being done to better protect our process automation systems and infrastructure.

    10/25/2005
  • Keep cool when designing batch reactors

    The stirred batch reactor is a workhorse at many plants. In designing such a unit, focus on effective temperature control to achieve optimum performance.

    John Edwards
    09/28/2005
  • 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
  • Getting batch material transfers under control

    Batch material transfer control seems an easy task to carry out, but the reality is that many functions are necessary if the system is to accomplish accurate batch material transfer control. Weighing systems with device-level controls can help.

    08/10/2005
  • Efficient batch control

    Efficient batch control can be both an art and science, so act accordingly for best results, and always remember "it's survival of the fittest" out there.

    07/13/2005
  • Process Engineering: HART Offers Value in Plant Control Systems

    There's a myth in plants that HART offers little for Plant Control Systems and Enterprise Level Networks. But Ed Ladd from the HART Communication Foundation writes that by accessing the data in HART devices on a "full-time" routine basis increases performance, integrity, and reliability of plant control and enterprise level systems.

    Ed T. Ladd, Jr., HART Communication Foundation, Austin, Texas
    05/11/2005
  • 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
  • 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 management: Raise an alarm about alarms

    Sure, having more alarms is a plus if they contribute to better plant operation.  But nowadays, more and more plants have numerous alarms that are causing more trouble than they are worth.

    Mark Rosenzweig, Editor-in-Chief
    01/19/2005
  • Process manufacturing: Practical steps to reduce particle segregation

    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.

    Diamondback Technology
    01/19/2005
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