Articles

381-400 of 483 < first | | | last >
  • HMIs evolve in process control

    New HMI technology is putting a whole new (inter)face on how operators view control systems information, while at the same time driving human error out of systems and improving safe work practices.

    Ian Nimmo, president, User Centered Design Services LLC
    09/11/2006
  • Innovations in batching, dosing and weighing

    Challenges brought on by new regulations and technical problems for batching, dosing and weighing have pushed users to find some innovative and surprising solutions beyond our own industry.

    09/05/2006
  • 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
  • Try before you buy

    There is another side to toll processing. It involves the companies that arguably have the best possible know-how and hardware — for the simple reason that they are the equipment manufacturers themselves, offering toll processing services that utilize their own products.

    Mike Spear, editor at large
    07/24/2006
  • Pump Performance: Kayo Cavitation

    Checking pump performance curves is one of the first steps in troubleshooting a centrifugal pump problem or seeing if a pump can handle new service conditions. Learn to look for more than just insufficient NPSHA, the common culprit, when investigating cavitation.

    Andrew Sloley, contributing editor
    07/17/2006
  • Control your maintenance

    Automation systems have now reached such a high degree of reliability that many personnel at plants now take them for granted. Learn to use digital communication with your asset management tools to achieve predictive maintenance and substantial savings.

    Ian Verhappen, MTL Instruments Group
    07/12/2006
  • Keep a steady eye on measurements

    While engineers often strive to keep processes running without too much variation, measurements that don’t change may be a cause for concern not celebration, as one refinery can attest.

    Andrew Sloley, contributing editor
    06/19/2006
  • Pumping Temperature Considerations

    "Bad actor" pumps are those pumps that have trouble with frequent and repetitive failures. In many cases, the source of the problem is an ANSI pump trying valiantly to handle a liquid well beyond the range of its design rating.of 300 degs. F.

    Ross Mackay
    06/19/2006
  • Mind Mixer Mechanical Design

    While most mixers can provide a long service life — for instance, some are still operating after more than 30 years — mechanical problems can shorten life or even break parts. In this article, learn about all the mechanical problems that may befall your mixing equipment.

    David S. Dickey, MixTech, Inc.
    04/18/2006
  • BP tackles Texas City failings

    British Petroleum's tragic March 2005 explosion has been well-documented through the press. Read here to find out how that tragedy spurred the development of a new program addressing management issues at BP.

    Foster Finley and Karl Roberts, AlixPartners
    04/12/2006
  • Hard lessons worth sharing

    Editor-in-Chief Mark Rosenzweig writes that the causes of two incidents should get attention from other processors.

    Mark Rosenzweig
    01/24/2006
  • 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
  • Pumps benefit from a vane effort

    Widely used but underappreciated, back pump-out vanes extend bearings and seal life.

    Richard Nardone, ITT Industrial & BioPharm Group
    11/15/2005
  • 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
  • 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
  • Find the best value seal

    A new industry-developed tool provides insights and practical guidance on seal economics.

    Pete Petrunich
    10/18/2005
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